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-rw-r--r--3rdparty/MDB2/Driver/Datatype/oci8.php499
-rw-r--r--3rdparty/MDB2/Driver/Function/oci8.php187
-rw-r--r--3rdparty/MDB2/Driver/Manager/oci8.php1340
-rw-r--r--3rdparty/MDB2/Driver/Native/oci8.php60
-rw-r--r--3rdparty/MDB2/Driver/Reverse/oci8.php621
-rw-r--r--3rdparty/MDB2/Driver/oci8.php1647
6 files changed, 4354 insertions, 0 deletions
diff --git a/3rdparty/MDB2/Driver/Datatype/oci8.php b/3rdparty/MDB2/Driver/Datatype/oci8.php
new file mode 100644
index 00000000000..f633b0e2151
--- /dev/null
+++ b/3rdparty/MDB2/Driver/Datatype/oci8.php
@@ -0,0 +1,499 @@
+<?php
+// +----------------------------------------------------------------------+
+// | PHP versions 4 and 5 |
+// +----------------------------------------------------------------------+
+// | Copyright (c) 1998-2007 Manuel Lemos, Tomas V.V.Cox, |
+// | Stig. S. Bakken, Lukas Smith |
+// | All rights reserved. |
+// +----------------------------------------------------------------------+
+// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB |
+// | API as well as database abstraction for PHP applications. |
+// | This LICENSE is in the BSD license style. |
+// | |
+// | Redistribution and use in source and binary forms, with or without |
+// | modification, are permitted provided that the following conditions |
+// | are met: |
+// | |
+// | Redistributions of source code must retain the above copyright |
+// | notice, this list of conditions and the following disclaimer. |
+// | |
+// | Redistributions in binary form must reproduce the above copyright |
+// | notice, this list of conditions and the following disclaimer in the |
+// | documentation and/or other materials provided with the distribution. |
+// | |
+// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken, |
+// | Lukas Smith nor the names of his contributors may be used to endorse |
+// | or promote products derived from this software without specific prior|
+// | written permission. |
+// | |
+// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
+// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
+// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
+// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
+// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
+// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
+// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|
+// | OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
+// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
+// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|
+// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
+// | POSSIBILITY OF SUCH DAMAGE. |
+// +----------------------------------------------------------------------+
+// | Author: Lukas Smith <smith@pooteeweet.org> |
+// +----------------------------------------------------------------------+
+
+// $Id: oci8.php 295587 2010-02-28 17:16:38Z quipo $
+
+require_once 'MDB2/Driver/Datatype/Common.php';
+
+/**
+ * MDB2 OCI8 driver
+ *
+ * @package MDB2
+ * @category Database
+ * @author Lukas Smith <smith@pooteeweet.org>
+ */
+class MDB2_Driver_Datatype_oci8 extends MDB2_Driver_Datatype_Common
+{
+ // {{{ _baseConvertResult()
+
+ /**
+ * general type conversion method
+ *
+ * @param mixed $value refernce to a value to be converted
+ * @param string $type specifies which type to convert to
+ * @param boolean $rtrim [optional] when TRUE [default], apply rtrim() to text
+ * @return object a MDB2 error on failure
+ * @access protected
+ */
+ function _baseConvertResult($value, $type, $rtrim = true)
+ {
+ if (null === $value) {
+ return null;
+ }
+ switch ($type) {
+ case 'text':
+ if (is_object($value) && is_a($value, 'OCI-Lob')) {
+ //LOB => fetch into variable
+ $clob = $this->_baseConvertResult($value, 'clob', $rtrim);
+ if (!PEAR::isError($clob) && is_resource($clob)) {
+ $clob_value = '';
+ while (!feof($clob)) {
+ $clob_value .= fread($clob, 8192);
+ }
+ $this->destroyLOB($clob);
+ }
+ $value = $clob_value;
+ }
+ if ($rtrim) {
+ $value = rtrim($value);
+ }
+ return $value;
+ case 'date':
+ return substr($value, 0, strlen('YYYY-MM-DD'));
+ case 'time':
+ return substr($value, strlen('YYYY-MM-DD '), strlen('HH:MI:SS'));
+ }
+ return parent::_baseConvertResult($value, $type, $rtrim);
+ }
+
+ // }}}
+ // {{{ getTypeDeclaration()
+
+ /**
+ * Obtain DBMS specific SQL code portion needed to declare an text type
+ * field to be used in statements like CREATE TABLE.
+ *
+ * @param array $field associative array with the name of the properties
+ * of the field being declared as array indexes. Currently, the types
+ * of supported field properties are as follows:
+ *
+ * length
+ * Integer value that determines the maximum length of the text
+ * field. If this argument is missing the field should be
+ * declared to have the longest length allowed by the DBMS.
+ *
+ * default
+ * Text value to be used as default for this field.
+ *
+ * notnull
+ * Boolean flag that indicates whether this field is constrained
+ * to not be set to null.
+ * @return string DBMS specific SQL code portion that should be used to
+ * declare the specified field.
+ * @access public
+ */
+ function getTypeDeclaration($field)
+ {
+ $db = $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ switch ($field['type']) {
+ case 'text':
+ $length = !empty($field['length'])
+ ? $field['length'] : $db->options['default_text_field_length'];
+ $fixed = !empty($field['fixed']) ? $field['fixed'] : false;
+ return $fixed ? 'CHAR('.$length.')' : 'VARCHAR2('.$length.')';
+ case 'clob':
+ return 'CLOB';
+ case 'blob':
+ return 'BLOB';
+ case 'integer':
+ if (!empty($field['length'])) {
+ switch((int)$field['length']) {
+ case 1: $digit = 3; break;
+ case 2: $digit = 5; break;
+ case 3: $digit = 8; break;
+ case 4: $digit = 10; break;
+ case 5: $digit = 13; break;
+ case 6: $digit = 15; break;
+ case 7: $digit = 17; break;
+ case 8: $digit = 20; break;
+ default: $digit = 10;
+ }
+ return 'NUMBER('.$digit.')';
+ }
+ return 'INT';
+ case 'boolean':
+ return 'NUMBER(1)';
+ case 'date':
+ case 'time':
+ case 'timestamp':
+ return 'DATE';
+ case 'float':
+ return 'NUMBER';
+ case 'decimal':
+ $scale = !empty($field['scale']) ? $field['scale'] : $db->options['decimal_places'];
+ return 'NUMBER(*,'.$scale.')';
+ }
+ }
+
+ // }}}
+ // {{{ _quoteCLOB()
+
+ /**
+ * Convert a text value into a DBMS specific format that is suitable to
+ * compose query statements.
+ *
+ * @param string $value text string value that is intended to be converted.
+ * @param bool $quote determines if the value should be quoted and escaped
+ * @param bool $escape_wildcards if to escape escape wildcards
+ * @return string text string that represents the given argument value in
+ * a DBMS specific format.
+ * @access protected
+ */
+ function _quoteCLOB($value, $quote, $escape_wildcards)
+ {
+ return 'EMPTY_CLOB()';
+ }
+
+ // }}}
+ // {{{ _quoteBLOB()
+
+ /**
+ * Convert a text value into a DBMS specific format that is suitable to
+ * compose query statements.
+ *
+ * @param string $value text string value that is intended to be converted.
+ * @param bool $quote determines if the value should be quoted and escaped
+ * @param bool $escape_wildcards if to escape escape wildcards
+ * @return string text string that represents the given argument value in
+ * a DBMS specific format.
+ * @access protected
+ */
+ function _quoteBLOB($value, $quote, $escape_wildcards)
+ {
+ return 'EMPTY_BLOB()';
+ }
+
+ // }}}
+ // {{{ _quoteDate()
+
+ /**
+ * Convert a text value into a DBMS specific format that is suitable to
+ * compose query statements.
+ *
+ * @param string $value text string value that is intended to be converted.
+ * @param bool $quote determines if the value should be quoted and escaped
+ * @param bool $escape_wildcards if to escape escape wildcards
+ * @return string text string that represents the given argument value in
+ * a DBMS specific format.
+ * @access protected
+ */
+ function _quoteDate($value, $quote, $escape_wildcards)
+ {
+ return $this->_quoteText("$value 00:00:00", $quote, $escape_wildcards);
+ }
+
+ // }}}
+ // {{{ _quoteTimestamp()
+
+ /**
+ * Convert a text value into a DBMS specific format that is suitable to
+ * compose query statements.
+ *
+ * @param string $value text string value that is intended to be converted.
+ * @param bool $quote determines if the value should be quoted and escaped
+ * @param bool $escape_wildcards if to escape escape wildcards
+ * @return string text string that represents the given argument value in
+ * a DBMS specific format.
+ * @access protected
+ */
+ function _quoteTimestamp($value, $quote, $escape_wildcards)
+ {
+ return $this->_quoteText($value, $quote, $escape_wildcards);
+ }
+
+ // }}}
+ // {{{ _quoteTime()
+
+ /**
+ * Convert a text value into a DBMS specific format that is suitable to
+ * compose query statements.
+ *
+ * @param string $value text string value that is intended to be converted.
+ * @param bool $quote determines if the value should be quoted and escaped
+ * @param bool $escape_wildcards if to escape escape wildcards
+ * @return string text string that represents the given argument value in
+ * a DBMS specific format.
+ * @access protected
+ */
+ function _quoteTime($value, $quote, $escape_wildcards)
+ {
+ return $this->_quoteText("0001-01-01 $value", $quote, $escape_wildcards);
+ }
+
+ // }}}
+ // {{{ writeLOBToFile()
+
+ /**
+ * retrieve LOB from the database
+ *
+ * @param array $lob array
+ * @param string $file name of the file into which the LOb should be fetched
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access protected
+ */
+ function writeLOBToFile($lob, $file)
+ {
+ if (preg_match('/^(\w+:\/\/)(.*)$/', $file, $match)) {
+ if ($match[1] == 'file://') {
+ $file = $match[2];
+ }
+ }
+ $lob_data = stream_get_meta_data($lob);
+ $lob_index = $lob_data['wrapper_data']->lob_index;
+ $result = $this->lobs[$lob_index]['resource']->writetofile($file);
+ $this->lobs[$lob_index]['resource']->seek(0);
+ if (!$result) {
+ $db = $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ return $db->raiseError(null, null, null,
+ 'Unable to write LOB to file', __FUNCTION__);
+ }
+ return MDB2_OK;
+ }
+
+ // }}}
+ // {{{ _retrieveLOB()
+
+ /**
+ * retrieve LOB from the database
+ *
+ * @param array $lob array
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access protected
+ */
+ function _retrieveLOB(&$lob)
+ {
+ if (!is_object($lob['resource'])) {
+ $db = $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+ 'attemped to retrieve LOB from non existing or NULL column', __FUNCTION__);
+ }
+
+ if (!$lob['loaded']
+# && !method_exists($lob['resource'], 'read')
+ ) {
+ $lob['value'] = $lob['resource']->load();
+ $lob['resource']->seek(0);
+ }
+ $lob['loaded'] = true;
+ return MDB2_OK;
+ }
+
+ // }}}
+ // {{{ _readLOB()
+
+ /**
+ * Read data from large object input stream.
+ *
+ * @param array $lob array
+ * @param blob $data reference to a variable that will hold data to be
+ * read from the large object input stream
+ * @param int $length integer value that indicates the largest ammount of
+ * data to be read from the large object input stream.
+ * @return mixed length on success, a MDB2 error on failure
+ * @access protected
+ */
+ function _readLOB($lob, $length)
+ {
+ if ($lob['loaded']) {
+ return parent::_readLOB($lob, $length);
+ }
+
+ if (!is_object($lob['resource'])) {
+ $db = $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+ 'attemped to retrieve LOB from non existing or NULL column', __FUNCTION__);
+ }
+
+ $data = $lob['resource']->read($length);
+ if (!is_string($data)) {
+ $db = $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ return $db->raiseError(null, null, null,
+ 'Unable to read LOB', __FUNCTION__);
+ }
+ return $data;
+ }
+
+ // }}}
+ // {{{ patternEscapeString()
+
+ /**
+ * build string to define escape pattern string
+ *
+ * @access public
+ *
+ *
+ * @return string define escape pattern
+ */
+ function patternEscapeString()
+ {
+ $db = $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+ return " ESCAPE '". $db->string_quoting['escape_pattern'] ."'";
+ }
+
+ // }}}
+ // {{{ _mapNativeDatatype()
+
+ /**
+ * Maps a native array description of a field to a MDB2 datatype and length
+ *
+ * @param array $field native field description
+ * @return array containing the various possible types, length, sign, fixed
+ * @access public
+ */
+ function _mapNativeDatatype($field)
+ {
+ $db_type = strtolower($field['type']);
+ $type = array();
+ $length = $unsigned = $fixed = null;
+ if (!empty($field['length'])) {
+ $length = $field['length'];
+ }
+ switch ($db_type) {
+ case 'integer':
+ case 'pls_integer':
+ case 'binary_integer':
+ $type[] = 'integer';
+ if ($length == '1') {
+ $type[] = 'boolean';
+ if (preg_match('/^(is|has)/', $field['name'])) {
+ $type = array_reverse($type);
+ }
+ }
+ break;
+ case 'varchar':
+ case 'varchar2':
+ case 'nvarchar2':
+ $fixed = false;
+ case 'char':
+ case 'nchar':
+ $type[] = 'text';
+ if ($length == '1') {
+ $type[] = 'boolean';
+ if (preg_match('/^(is|has)/', $field['name'])) {
+ $type = array_reverse($type);
+ }
+ }
+ if ($fixed !== false) {
+ $fixed = true;
+ }
+ break;
+ case 'date':
+ case 'timestamp':
+ $type[] = 'timestamp';
+ $length = null;
+ break;
+ case 'float':
+ $type[] = 'float';
+ break;
+ case 'number':
+ if (!empty($field['scale'])) {
+ $type[] = 'decimal';
+ $length = $length.','.$field['scale'];
+ } else {
+ $type[] = 'integer';
+ if ($length == '1') {
+ $type[] = 'boolean';
+ if (preg_match('/^(is|has)/', $field['name'])) {
+ $type = array_reverse($type);
+ }
+ }
+ }
+ break;
+ case 'long':
+ $type[] = 'text';
+ case 'clob':
+ case 'nclob':
+ $type[] = 'clob';
+ break;
+ case 'blob':
+ case 'raw':
+ case 'long raw':
+ case 'bfile':
+ $type[] = 'blob';
+ $length = null;
+ break;
+ case 'rowid':
+ case 'urowid':
+ default:
+ $db = $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+ 'unknown database attribute type: '.$db_type, __FUNCTION__);
+ }
+
+ if ((int)$length <= 0) {
+ $length = null;
+ }
+
+ return array($type, $length, $unsigned, $fixed);
+ }
+}
+
+?> \ No newline at end of file
diff --git a/3rdparty/MDB2/Driver/Function/oci8.php b/3rdparty/MDB2/Driver/Function/oci8.php
new file mode 100644
index 00000000000..757d17fcb8b
--- /dev/null
+++ b/3rdparty/MDB2/Driver/Function/oci8.php
@@ -0,0 +1,187 @@
+<?php
+// +----------------------------------------------------------------------+
+// | PHP versions 4 and 5 |
+// +----------------------------------------------------------------------+
+// | Copyright (c) 1998-2008 Manuel Lemos, Tomas V.V.Cox, |
+// | Stig. S. Bakken, Lukas Smith |
+// | All rights reserved. |
+// +----------------------------------------------------------------------+
+// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB |
+// | API as well as database abstraction for PHP applications. |
+// | This LICENSE is in the BSD license style. |
+// | |
+// | Redistribution and use in source and binary forms, with or without |
+// | modification, are permitted provided that the following conditions |
+// | are met: |
+// | |
+// | Redistributions of source code must retain the above copyright |
+// | notice, this list of conditions and the following disclaimer. |
+// | |
+// | Redistributions in binary form must reproduce the above copyright |
+// | notice, this list of conditions and the following disclaimer in the |
+// | documentation and/or other materials provided with the distribution. |
+// | |
+// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken, |
+// | Lukas Smith nor the names of his contributors may be used to endorse |
+// | or promote products derived from this software without specific prior|
+// | written permission. |
+// | |
+// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
+// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
+// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
+// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
+// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
+// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
+// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|
+// | OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
+// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
+// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|
+// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
+// | POSSIBILITY OF SUCH DAMAGE. |
+// +----------------------------------------------------------------------+
+// | Author: Lukas Smith <smith@pooteeweet.org> |
+// +----------------------------------------------------------------------+
+
+// $Id: oci8.php 295587 2010-02-28 17:16:38Z quipo $
+
+require_once 'MDB2/Driver/Function/Common.php';
+
+/**
+ * MDB2 oci8 driver for the function modules
+ *
+ * @package MDB2
+ * @category Database
+ * @author Lukas Smith <smith@pooteeweet.org>
+ */
+class MDB2_Driver_Function_oci8 extends MDB2_Driver_Function_Common
+{
+ // {{{ executeStoredProc()
+
+ /**
+ * Execute a stored procedure and return any results
+ *
+ * @param string $name string that identifies the function to execute
+ * @param mixed $params array that contains the paramaters to pass the stored proc
+ * @param mixed $types array that contains the types of the columns in
+ * the result set
+ * @param mixed $result_class string which specifies which result class to use
+ * @param mixed $result_wrap_class string which specifies which class to wrap results in
+ * @return mixed a result handle or MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function executeStoredProc($name, $params = null, $types = null, $result_class = true, $result_wrap_class = false)
+ {
+ $db = $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $query = 'EXEC '.$name;
+ $query .= $params ? '('.implode(', ', $params).')' : '()';
+ return $db->query($query, $types, $result_class, $result_wrap_class);
+ }
+
+ // }}}
+ // {{{ functionTable()
+
+ /**
+ * return string for internal table used when calling only a function
+ *
+ * @return string for internal table used when calling only a function
+ * @access public
+ */
+ function functionTable()
+ {
+ return ' FROM dual';
+ }
+
+ // }}}
+ // {{{ now()
+
+ /**
+ * Return string to call a variable with the current timestamp inside an SQL statement
+ * There are three special variables for current date and time:
+ * - CURRENT_TIMESTAMP (date and time, TIMESTAMP type)
+ * - CURRENT_DATE (date, DATE type)
+ * - CURRENT_TIME (time, TIME type)
+ *
+ * @return string to call a variable with the current timestamp
+ * @access public
+ */
+ function now($type = 'timestamp')
+ {
+ switch ($type) {
+ case 'date':
+ case 'time':
+ case 'timestamp':
+ default:
+ return 'TO_CHAR(CURRENT_TIMESTAMP, \'YYYY-MM-DD HH24:MI:SS\')';
+ }
+ }
+
+ // }}}
+ // {{{ unixtimestamp()
+
+ /**
+ * return string to call a function to get the unix timestamp from a iso timestamp
+ *
+ * @param string $expression
+ *
+ * @return string to call a variable with the timestamp
+ * @access public
+ */
+ function unixtimestamp($expression)
+ {
+ $utc_offset = 'CAST(SYS_EXTRACT_UTC(SYSTIMESTAMP) AS DATE) - CAST(SYSTIMESTAMP AS DATE)';
+ $epoch_date = 'to_date(\'19700101\', \'YYYYMMDD\')';
+ return '(CAST('.$expression.' AS DATE) - '.$epoch_date.' + '.$utc_offset.') * 86400 seconds';
+ }
+
+ // }}}
+ // {{{ substring()
+
+ /**
+ * return string to call a function to get a substring inside an SQL statement
+ *
+ * @return string to call a function to get a substring
+ * @access public
+ */
+ function substring($value, $position = 1, $length = null)
+ {
+ if (null !== $length) {
+ return "SUBSTR($value, $position, $length)";
+ }
+ return "SUBSTR($value, $position)";
+ }
+
+ // }}}
+ // {{{ random()
+
+ /**
+ * return string to call a function to get random value inside an SQL statement
+ *
+ * @return return string to generate float between 0 and 1
+ * @access public
+ */
+ function random()
+ {
+ return 'dbms_random.value';
+ }
+
+ // }}}}
+ // {{{ guid()
+
+ /**
+ * Returns global unique identifier
+ *
+ * @return string to get global unique identifier
+ * @access public
+ */
+ function guid()
+ {
+ return 'SYS_GUID()';
+ }
+
+ // }}}}
+}
+?> \ No newline at end of file
diff --git a/3rdparty/MDB2/Driver/Manager/oci8.php b/3rdparty/MDB2/Driver/Manager/oci8.php
new file mode 100644
index 00000000000..90ae8eb2302
--- /dev/null
+++ b/3rdparty/MDB2/Driver/Manager/oci8.php
@@ -0,0 +1,1340 @@
+<?php
+// +----------------------------------------------------------------------+
+// | PHP versions 4 and 5 |
+// +----------------------------------------------------------------------+
+// | Copyright (c) 1998-2008 Manuel Lemos, Tomas V.V.Cox, |
+// | Stig. S. Bakken, Lukas Smith |
+// | All rights reserved. |
+// +----------------------------------------------------------------------+
+// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB |
+// | API as well as database abstraction for PHP applications. |
+// | This LICENSE is in the BSD license style. |
+// | |
+// | Redistribution and use in source and binary forms, with or without |
+// | modification, are permitted provided that the following conditions |
+// | are met: |
+// | |
+// | Redistributions of source code must retain the above copyright |
+// | notice, this list of conditions and the following disclaimer. |
+// | |
+// | Redistributions in binary form must reproduce the above copyright |
+// | notice, this list of conditions and the following disclaimer in the |
+// | documentation and/or other materials provided with the distribution. |
+// | |
+// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken, |
+// | Lukas Smith nor the names of his contributors may be used to endorse |
+// | or promote products derived from this software without specific prior|
+// | written permission. |
+// | |
+// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
+// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
+// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
+// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
+// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
+// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
+// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|
+// | OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
+// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
+// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|
+// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
+// | POSSIBILITY OF SUCH DAMAGE. |
+// +----------------------------------------------------------------------+
+// | Author: Lukas Smith <smith@pooteeweet.org> |
+// +----------------------------------------------------------------------+
+
+// $Id: oci8.php 295587 2010-02-28 17:16:38Z quipo $
+
+require_once 'MDB2/Driver/Manager/Common.php';
+
+/**
+ * MDB2 oci8 driver for the management modules
+ *
+ * @package MDB2
+ * @category Database
+ * @author Lukas Smith <smith@pooteeweet.org>
+ */
+class MDB2_Driver_Manager_oci8 extends MDB2_Driver_Manager_Common
+{
+ // {{{ createDatabase()
+
+ /**
+ * create a new database
+ *
+ * @param string $name name of the database that should be created
+ * @param array $options array with charset, collation info
+ *
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function createDatabase($name, $options = array())
+ {
+ $db = $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $username = $db->options['database_name_prefix'].$name;
+ $password = $db->dsn['password'] ? $db->dsn['password'] : $name;
+ $tablespace = $db->options['default_tablespace']
+ ? ' DEFAULT TABLESPACE '.$db->options['default_tablespace'] : '';
+
+ $query = 'CREATE USER '.$username.' IDENTIFIED BY '.$password.$tablespace;
+ $result = $db->standaloneQuery($query, null, true);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ $query = 'GRANT CREATE SESSION, CREATE TABLE, UNLIMITED TABLESPACE, CREATE SEQUENCE, CREATE TRIGGER TO '.$username;
+ $result = $db->standaloneQuery($query, null, true);
+ if (PEAR::isError($result)) {
+ $query = 'DROP USER '.$username.' CASCADE';
+ $result2 = $db->standaloneQuery($query, null, true);
+ if (PEAR::isError($result2)) {
+ return $db->raiseError($result2, null, null,
+ 'could not setup the database user', __FUNCTION__);
+ }
+ return $result;
+ }
+ return MDB2_OK;
+ }
+
+ // }}}
+ // {{{ alterDatabase()
+
+ /**
+ * alter an existing database
+ *
+ * IMPORTANT: the safe way to change the db charset is to do a full import/export!
+ * If - and only if - the new character set is a strict superset of the current
+ * character set, it is possible to use the ALTER DATABASE CHARACTER SET to
+ * expedite the change in the database character set.
+ *
+ * @param string $name name of the database that is intended to be changed
+ * @param array $options array with name, charset info
+ *
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function alterDatabase($name, $options = array())
+ {
+ //disabled
+ //return parent::alterDatabase($name, $options);
+
+ $db = $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ if (!empty($options['name'])) {
+ $query = 'ALTER DATABASE ' . $db->quoteIdentifier($name, true)
+ .' RENAME GLOBAL_NAME TO ' . $db->quoteIdentifier($options['name'], true);
+ $result = $db->standaloneQuery($query);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ }
+
+ if (!empty($options['charset'])) {
+ $queries = array();
+ $queries[] = 'SHUTDOWN IMMEDIATE'; //or NORMAL
+ $queries[] = 'STARTUP MOUNT';
+ $queries[] = 'ALTER SYSTEM ENABLE RESTRICTED SESSION';
+ $queries[] = 'ALTER SYSTEM SET JOB_QUEUE_PROCESSES=0';
+ $queries[] = 'ALTER DATABASE OPEN';
+ $queries[] = 'ALTER DATABASE CHARACTER SET ' . $options['charset'];
+ $queries[] = 'ALTER DATABASE NATIONAL CHARACTER SET ' . $options['charset'];
+ $queries[] = 'SHUTDOWN IMMEDIATE'; //or NORMAL
+ $queries[] = 'STARTUP';
+
+ foreach ($queries as $query) {
+ $result = $db->standaloneQuery($query);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ }
+ }
+
+ return MDB2_OK;
+ }
+
+ // }}}
+ // {{{ dropDatabase()
+
+ /**
+ * drop an existing database
+ *
+ * @param object $db database object that is extended by this class
+ * @param string $name name of the database that should be dropped
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function dropDatabase($name)
+ {
+ $db = $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $username = $db->options['database_name_prefix'].$name;
+ return $db->standaloneQuery('DROP USER '.$username.' CASCADE', null, true);
+ }
+
+
+ // }}}
+ // {{{ _makeAutoincrement()
+
+ /**
+ * add an autoincrement sequence + trigger
+ *
+ * @param string $name name of the PK field
+ * @param string $table name of the table
+ * @param string $start start value for the sequence
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access private
+ */
+ function _makeAutoincrement($name, $table, $start = 1)
+ {
+ $db = $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $table_uppercase = strtoupper($table);
+ $index_name = $table_uppercase . '_AI_PK';
+ $definition = array(
+ 'primary' => true,
+ 'fields' => array($name => true),
+ );
+ $idxname_format = $db->getOption('idxname_format');
+ $db->setOption('idxname_format', '%s');
+ $result = $this->createConstraint($table, $index_name, $definition);
+ $db->setOption('idxname_format', $idxname_format);
+ if (PEAR::isError($result)) {
+ return $db->raiseError($result, null, null,
+ 'primary key for autoincrement PK could not be created', __FUNCTION__);
+ }
+
+ if (null === $start) {
+ $db->beginTransaction();
+ $query = 'SELECT MAX(' . $db->quoteIdentifier($name, true) . ') FROM ' . $db->quoteIdentifier($table, true);
+ $start = $this->db->queryOne($query, 'integer');
+ if (PEAR::isError($start)) {
+ return $start;
+ }
+ ++$start;
+ $result = $this->createSequence($table, $start);
+ $db->commit();
+ } else {
+ $result = $this->createSequence($table, $start);
+ }
+ if (PEAR::isError($result)) {
+ return $db->raiseError($result, null, null,
+ 'sequence for autoincrement PK could not be created', __FUNCTION__);
+ }
+ $seq_name = $db->getSequenceName($table);
+ $trigger_name = $db->quoteIdentifier($table_uppercase . '_AI_PK', true);
+ $seq_name_quoted = $db->quoteIdentifier($seq_name, true);
+ $table = $db->quoteIdentifier($table, true);
+ $name = $db->quoteIdentifier($name, true);
+ $trigger_sql = '
+CREATE TRIGGER '.$trigger_name.'
+ BEFORE INSERT
+ ON '.$table.'
+ FOR EACH ROW
+DECLARE
+ last_Sequence NUMBER;
+ last_InsertID NUMBER;
+BEGIN
+ SELECT '.$seq_name_quoted.'.NEXTVAL INTO :NEW.'.$name.' FROM DUAL;
+ IF (:NEW.'.$name.' IS NULL OR :NEW.'.$name.' = 0) THEN
+ SELECT '.$seq_name_quoted.'.NEXTVAL INTO :NEW.'.$name.' FROM DUAL;
+ ELSE
+ SELECT NVL(Last_Number, 0) INTO last_Sequence
+ FROM User_Sequences
+ WHERE UPPER(Sequence_Name) = UPPER(\''.$seq_name.'\');
+ SELECT :NEW.'.$name.' INTO last_InsertID FROM DUAL;
+ WHILE (last_InsertID > last_Sequence) LOOP
+ SELECT '.$seq_name_quoted.'.NEXTVAL INTO last_Sequence FROM DUAL;
+ END LOOP;
+ END IF;
+END;
+';
+ $result = $db->exec($trigger_sql);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ return MDB2_OK;
+ }
+
+ // }}}
+ // {{{ _dropAutoincrement()
+
+ /**
+ * drop an existing autoincrement sequence + trigger
+ *
+ * @param string $table name of the table
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access private
+ */
+ function _dropAutoincrement($table)
+ {
+ $db = $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $table = strtoupper($table);
+ $trigger_name = $table . '_AI_PK';
+ $trigger_name_quoted = $db->quote($trigger_name, 'text');
+ $query = 'SELECT trigger_name FROM user_triggers';
+ $query.= ' WHERE trigger_name='.$trigger_name_quoted.' OR trigger_name='.strtoupper($trigger_name_quoted);
+ $trigger = $db->queryOne($query);
+ if (PEAR::isError($trigger)) {
+ return $trigger;
+ }
+
+ if ($trigger) {
+ $trigger_name = $db->quoteIdentifier($table . '_AI_PK', true);
+ $trigger_sql = 'DROP TRIGGER ' . $trigger_name;
+ $result = $db->exec($trigger_sql);
+ if (PEAR::isError($result)) {
+ return $db->raiseError($result, null, null,
+ 'trigger for autoincrement PK could not be dropped', __FUNCTION__);
+ }
+
+ $result = $this->dropSequence($table);
+ if (PEAR::isError($result)) {
+ return $db->raiseError($result, null, null,
+ 'sequence for autoincrement PK could not be dropped', __FUNCTION__);
+ }
+
+ $index_name = $table . '_AI_PK';
+ $idxname_format = $db->getOption('idxname_format');
+ $db->setOption('idxname_format', '%s');
+ $result1 = $this->dropConstraint($table, $index_name);
+ $db->setOption('idxname_format', $idxname_format);
+ $result2 = $this->dropConstraint($table, $index_name);
+ if (PEAR::isError($result1) && PEAR::isError($result2)) {
+ return $db->raiseError($result1, null, null,
+ 'primary key for autoincrement PK could not be dropped', __FUNCTION__);
+ }
+ }
+
+ return MDB2_OK;
+ }
+
+ // }}}
+ // {{{ _getTemporaryTableQuery()
+
+ /**
+ * A method to return the required SQL string that fits between CREATE ... TABLE
+ * to create the table as a temporary table.
+ *
+ * @return string The string required to be placed between "CREATE" and "TABLE"
+ * to generate a temporary table, if possible.
+ */
+ function _getTemporaryTableQuery()
+ {
+ return 'GLOBAL TEMPORARY';
+ }
+
+ // }}}
+ // {{{ _getAdvancedFKOptions()
+
+ /**
+ * Return the FOREIGN KEY query section dealing with non-standard options
+ * as MATCH, INITIALLY DEFERRED, ON UPDATE, ...
+ *
+ * @param array $definition
+ * @return string
+ * @access protected
+ */
+ function _getAdvancedFKOptions($definition)
+ {
+ $query = '';
+ if (!empty($definition['ondelete']) && (strtoupper($definition['ondelete']) != 'NO ACTION')) {
+ $query .= ' ON DELETE '.$definition['ondelete'];
+ }
+ if (!empty($definition['deferrable'])) {
+ $query .= ' DEFERRABLE';
+ } else {
+ $query .= ' NOT DEFERRABLE';
+ }
+ if (!empty($definition['initiallydeferred'])) {
+ $query .= ' INITIALLY DEFERRED';
+ } else {
+ $query .= ' INITIALLY IMMEDIATE';
+ }
+ return $query;
+ }
+
+ // }}}
+ // {{{ createTable()
+
+ /**
+ * create a new table
+ *
+ * @param string $name Name of the database that should be created
+ * @param array $fields Associative array that contains the definition of each field of the new table
+ * The indexes of the array entries are the names of the fields of the table an
+ * the array entry values are associative arrays like those that are meant to be
+ * passed with the field definitions to get[Type]Declaration() functions.
+ *
+ * Example
+ * array(
+ *
+ * 'id' => array(
+ * 'type' => 'integer',
+ * 'unsigned' => 1
+ * 'notnull' => 1
+ * 'default' => 0
+ * ),
+ * 'name' => array(
+ * 'type' => 'text',
+ * 'length' => 12
+ * ),
+ * 'password' => array(
+ * 'type' => 'text',
+ * 'length' => 12
+ * )
+ * );
+ * @param array $options An associative array of table options:
+ * array(
+ * 'comment' => 'Foo',
+ * 'temporary' => true|false,
+ * );
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function createTable($name, $fields, $options = array())
+ {
+ $db = $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+ $db->beginNestedTransaction();
+ $result = parent::createTable($name, $fields, $options);
+ if (!PEAR::isError($result)) {
+ foreach ($fields as $field_name => $field) {
+ if (!empty($field['autoincrement'])) {
+ $result = $this->_makeAutoincrement($field_name, $name);
+ }
+ }
+ }
+ $db->completeNestedTransaction();
+ return $result;
+ }
+
+ // }}}
+ // {{{ dropTable()
+
+ /**
+ * drop an existing table
+ *
+ * @param string $name name of the table that should be dropped
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function dropTable($name)
+ {
+ $db = $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+ $db->beginNestedTransaction();
+ $result = $this->_dropAutoincrement($name);
+ if (!PEAR::isError($result)) {
+ $result = parent::dropTable($name);
+ }
+ $db->completeNestedTransaction();
+ return $result;
+ }
+
+ // }}}
+ // {{{ truncateTable()
+
+ /**
+ * Truncate an existing table (if the TRUNCATE TABLE syntax is not supported,
+ * it falls back to a DELETE FROM TABLE query)
+ *
+ * @param string $name name of the table that should be truncated
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function truncateTable($name)
+ {
+ $db = $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $name = $db->quoteIdentifier($name, true);
+ return $db->exec("TRUNCATE TABLE $name");
+ }
+
+ // }}}
+ // {{{ vacuum()
+
+ /**
+ * Optimize (vacuum) all the tables in the db (or only the specified table)
+ * and optionally run ANALYZE.
+ *
+ * @param string $table table name (all the tables if empty)
+ * @param array $options an array with driver-specific options:
+ * - timeout [int] (in seconds) [mssql-only]
+ * - analyze [boolean] [pgsql and mysql]
+ * - full [boolean] [pgsql-only]
+ * - freeze [boolean] [pgsql-only]
+ *
+ * @return mixed MDB2_OK success, a MDB2 error on failure
+ * @access public
+ */
+ function vacuum($table = null, $options = array())
+ {
+ // not needed in Oracle
+ return MDB2_OK;
+ }
+
+ // }}}
+ // {{{ alterTable()
+
+ /**
+ * alter an existing table
+ *
+ * @param string $name name of the table that is intended to be changed.
+ * @param array $changes associative array that contains the details of each type
+ * of change that is intended to be performed. The types of
+ * changes that are currently supported are defined as follows:
+ *
+ * name
+ *
+ * New name for the table.
+ *
+ * add
+ *
+ * Associative array with the names of fields to be added as
+ * indexes of the array. The value of each entry of the array
+ * should be set to another associative array with the properties
+ * of the fields to be added. The properties of the fields should
+ * be the same as defined by the MDB2 parser.
+ *
+ *
+ * remove
+ *
+ * Associative array with the names of fields to be removed as indexes
+ * of the array. Currently the values assigned to each entry are ignored.
+ * An empty array should be used for future compatibility.
+ *
+ * rename
+ *
+ * Associative array with the names of fields to be renamed as indexes
+ * of the array. The value of each entry of the array should be set to
+ * another associative array with the entry named name with the new
+ * field name and the entry named Declaration that is expected to contain
+ * the portion of the field declaration already in DBMS specific SQL code
+ * as it is used in the CREATE TABLE statement.
+ *
+ * change
+ *
+ * Associative array with the names of the fields to be changed as indexes
+ * of the array. Keep in mind that if it is intended to change either the
+ * name of a field and any other properties, the change array entries
+ * should have the new names of the fields as array indexes.
+ *
+ * The value of each entry of the array should be set to another associative
+ * array with the properties of the fields to that are meant to be changed as
+ * array entries. These entries should be assigned to the new values of the
+ * respective properties. The properties of the fields should be the same
+ * as defined by the MDB2 parser.
+ *
+ * Example
+ * array(
+ * 'name' => 'userlist',
+ * 'add' => array(
+ * 'quota' => array(
+ * 'type' => 'integer',
+ * 'unsigned' => 1
+ * )
+ * ),
+ * 'remove' => array(
+ * 'file_limit' => array(),
+ * 'time_limit' => array()
+ * ),
+ * 'change' => array(
+ * 'name' => array(
+ * 'length' => '20',
+ * 'definition' => array(
+ * 'type' => 'text',
+ * 'length' => 20,
+ * ),
+ * )
+ * ),
+ * 'rename' => array(
+ * 'sex' => array(
+ * 'name' => 'gender',
+ * 'definition' => array(
+ * 'type' => 'text',
+ * 'length' => 1,
+ * 'default' => 'M',
+ * ),
+ * )
+ * )
+ * )
+ *
+ * @param boolean $check indicates whether the function should just check if the DBMS driver
+ * can perform the requested table alterations if the value is true or
+ * actually perform them otherwise.
+ * @access public
+ *
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ */
+ function alterTable($name, $changes, $check)
+ {
+ $db = $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ foreach ($changes as $change_name => $change) {
+ switch ($change_name) {
+ case 'add':
+ case 'remove':
+ case 'change':
+ case 'name':
+ case 'rename':
+ break;
+ default:
+ return $db->raiseError(MDB2_ERROR_CANNOT_ALTER, null, null,
+ 'change type "'.$change_name.'" not yet supported', __FUNCTION__);
+ }
+ }
+
+ if ($check) {
+ return MDB2_OK;
+ }
+
+ $name = $db->quoteIdentifier($name, true);
+
+ if (!empty($changes['add']) && is_array($changes['add'])) {
+ $fields = array();
+ foreach ($changes['add'] as $field_name => $field) {
+ $fields[] = $db->getDeclaration($field['type'], $field_name, $field);
+ }
+ $result = $db->exec("ALTER TABLE $name ADD (". implode(', ', $fields).')');
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ }
+
+ if (!empty($changes['change']) && is_array($changes['change'])) {
+ $fields = array();
+ foreach ($changes['change'] as $field_name => $field) {
+ //fix error "column to be modified to NOT NULL is already NOT NULL"
+ if (!array_key_exists('notnull', $field)) {
+ unset($field['definition']['notnull']);
+ }
+ $fields[] = $db->getDeclaration($field['definition']['type'], $field_name, $field['definition']);
+ }
+ $result = $db->exec("ALTER TABLE $name MODIFY (". implode(', ', $fields).')');
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ }
+
+ if (!empty($changes['rename']) && is_array($changes['rename'])) {
+ foreach ($changes['rename'] as $field_name => $field) {
+ $field_name = $db->quoteIdentifier($field_name, true);
+ $query = "ALTER TABLE $name RENAME COLUMN $field_name TO ".$db->quoteIdentifier($field['name']);
+ $result = $db->exec($query);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ }
+ }
+
+ if (!empty($changes['remove']) && is_array($changes['remove'])) {
+ $fields = array();
+ foreach ($changes['remove'] as $field_name => $field) {
+ $fields[] = $db->quoteIdentifier($field_name, true);
+ }
+ $result = $db->exec("ALTER TABLE $name DROP COLUMN ". implode(', ', $fields));
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ }
+
+ if (!empty($changes['name'])) {
+ $change_name = $db->quoteIdentifier($changes['name'], true);
+ $result = $db->exec("ALTER TABLE $name RENAME TO ".$change_name);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ }
+
+ return MDB2_OK;
+ }
+
+ // }}}
+ // {{{ _fetchCol()
+
+ /**
+ * Utility method to fetch and format a column from a resultset
+ *
+ * @param resource $result
+ * @param boolean $fixname (used when listing indices or constraints)
+ * @return mixed array of names on success, a MDB2 error on failure
+ * @access private
+ */
+ function _fetchCol($result, $fixname = false)
+ {
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ $col = $result->fetchCol();
+ if (PEAR::isError($col)) {
+ return $col;
+ }
+ $result->free();
+
+ $db = $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ if ($fixname) {
+ foreach ($col as $k => $v) {
+ $col[$k] = $this->_fixIndexName($v);
+ }
+ }
+
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE
+ && $db->options['field_case'] == CASE_LOWER
+ ) {
+ $col = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $col);
+ }
+ return $col;
+ }
+
+ // }}}
+ // {{{ listDatabases()
+
+ /**
+ * list all databases
+ *
+ * @return mixed array of database names on success, a MDB2 error on failure
+ * @access public
+ */
+ function listDatabases()
+ {
+ $db = $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ if (!$db->options['emulate_database']) {
+ return $db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+ 'database listing is only supported if the "emulate_database" option is enabled', __FUNCTION__);
+ }
+
+ if ($db->options['database_name_prefix']) {
+ $query = 'SELECT SUBSTR(username, ';
+ $query.= (strlen($db->options['database_name_prefix'])+1);
+ $query.= ") FROM sys.dba_users WHERE username LIKE '";
+ $query.= $db->options['database_name_prefix']."%'";
+ } else {
+ $query = 'SELECT username FROM sys.dba_users';
+ }
+ $result = $db->standaloneQuery($query, array('text'), false);
+ return $this->_fetchCol($result);
+ }
+
+ // }}}
+ // {{{ listUsers()
+
+ /**
+ * list all users
+ *
+ * @return mixed array of user names on success, a MDB2 error on failure
+ * @access public
+ */
+ function listUsers()
+ {
+ $db = $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ if ($db->options['emulate_database'] && $db->options['database_name_prefix']) {
+ $query = 'SELECT SUBSTR(username, ';
+ $query.= (strlen($db->options['database_name_prefix'])+1);
+ $query.= ") FROM sys.dba_users WHERE username NOT LIKE '";
+ $query.= $db->options['database_name_prefix']."%'";
+ } else {
+ $query = 'SELECT username FROM sys.dba_users';
+ }
+ return $db->queryCol($query);
+ }
+
+ // }}}
+ // {{{ listViews()
+
+ /**
+ * list all views in the current database
+ *
+ * @param string owner, the current is default
+ * @return mixed array of view names on success, a MDB2 error on failure
+ * @access public
+ */
+ function listViews($owner = null)
+ {
+ $db = $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ if (empty($owner)) {
+ $owner = $db->dsn['username'];
+ }
+
+ $query = 'SELECT view_name
+ FROM sys.all_views
+ WHERE owner=? OR owner=?';
+ $stmt = $db->prepare($query);
+ if (PEAR::isError($stmt)) {
+ return $stmt;
+ }
+ $result = $stmt->execute(array($owner, strtoupper($owner)));
+ return $this->_fetchCol($result);
+ }
+
+ // }}}
+ // {{{ listFunctions()
+
+ /**
+ * list all functions in the current database
+ *
+ * @param string owner, the current is default
+ * @return mixed array of function names on success, a MDB2 error on failure
+ * @access public
+ */
+ function listFunctions($owner = null)
+ {
+ $db = $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ if (empty($owner)) {
+ $owner = $db->dsn['username'];
+ }
+
+ $query = "SELECT name
+ FROM sys.all_source
+ WHERE line = 1
+ AND type = 'FUNCTION'
+ AND (owner=? OR owner=?)";
+ $stmt = $db->prepare($query);
+ if (PEAR::isError($stmt)) {
+ return $stmt;
+ }
+ $result = $stmt->execute(array($owner, strtoupper($owner)));
+ return $this->_fetchCol($result);
+ }
+
+ // }}}
+ // {{{ listTableTriggers()
+
+ /**
+ * list all triggers in the database that reference a given table
+ *
+ * @param string table for which all referenced triggers should be found
+ * @return mixed array of trigger names on success, a MDB2 error on failure
+ * @access public
+ */
+ function listTableTriggers($table = null)
+ {
+ $db = $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ if (empty($owner)) {
+ $owner = $db->dsn['username'];
+ }
+
+ $query = "SELECT trigger_name
+ FROM sys.all_triggers
+ WHERE (table_name=? OR table_name=?)
+ AND (owner=? OR owner=?)";
+ $stmt = $db->prepare($query);
+ if (PEAR::isError($stmt)) {
+ return $stmt;
+ }
+ $args = array(
+ $table,
+ strtoupper($table),
+ $owner,
+ strtoupper($owner),
+ );
+ $result = $stmt->execute($args);
+ return $this->_fetchCol($result);
+ }
+
+ // }}}
+ // {{{ listTables()
+
+ /**
+ * list all tables in the database
+ *
+ * @param string owner, the current is default
+ * @return mixed array of table names on success, a MDB2 error on failure
+ * @access public
+ */
+ function listTables($owner = null)
+ {
+ $db = $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ if (empty($owner)) {
+ $owner = $db->dsn['username'];
+ }
+
+ $query = 'SELECT table_name
+ FROM sys.all_tables
+ WHERE owner=? OR owner=?';
+ $stmt = $db->prepare($query);
+ if (PEAR::isError($stmt)) {
+ return $stmt;
+ }
+ $result = $stmt->execute(array($owner, strtoupper($owner)));
+ return $this->_fetchCol($result);
+ }
+
+ // }}}
+ // {{{ listTableFields()
+
+ /**
+ * list all fields in a table in the current database
+ *
+ * @param string $table name of table that should be used in method
+ * @return mixed array of field names on success, a MDB2 error on failure
+ * @access public
+ */
+ function listTableFields($table)
+ {
+ $db = $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ list($owner, $table) = $this->splitTableSchema($table);
+ if (empty($owner)) {
+ $owner = $db->dsn['username'];
+ }
+
+ $query = 'SELECT column_name
+ FROM all_tab_columns
+ WHERE (table_name=? OR table_name=?)
+ AND (owner=? OR owner=?)
+ ORDER BY column_id';
+ $stmt = $db->prepare($query);
+ if (PEAR::isError($stmt)) {
+ return $stmt;
+ }
+ $args = array(
+ $table,
+ strtoupper($table),
+ $owner,
+ strtoupper($owner),
+ );
+ $result = $stmt->execute($args);
+ return $this->_fetchCol($result);
+ }
+
+ // }}}
+ // {{{ listTableIndexes()
+
+ /**
+ * list all indexes in a table
+ *
+ * @param string $table name of table that should be used in method
+ * @return mixed array of index names on success, a MDB2 error on failure
+ * @access public
+ */
+ function listTableIndexes($table)
+ {
+ $db = $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ list($owner, $table) = $this->splitTableSchema($table);
+ if (empty($owner)) {
+ $owner = $db->dsn['username'];
+ }
+
+ $query = 'SELECT i.index_name name
+ FROM all_indexes i
+ LEFT JOIN all_constraints c
+ ON c.index_name = i.index_name
+ AND c.owner = i.owner
+ AND c.table_name = i.table_name
+ WHERE (i.table_name=? OR i.table_name=?)
+ AND (i.owner=? OR i.owner=?)
+ AND c.index_name IS NULL
+ AND i.generated=' .$db->quote('N', 'text');
+ $stmt = $db->prepare($query);
+ if (PEAR::isError($stmt)) {
+ return $stmt;
+ }
+ $args = array(
+ $table,
+ strtoupper($table),
+ $owner,
+ strtoupper($owner),
+ );
+ $result = $stmt->execute($args);
+ return $this->_fetchCol($result, true);
+ }
+
+ // }}}
+ // {{{ createConstraint()
+
+ /**
+ * create a constraint on a table
+ *
+ * @param string $table name of the table on which the constraint is to be created
+ * @param string $name name of the constraint to be created
+ * @param array $definition associative array that defines properties of the constraint to be created.
+ * Currently, only one property named FIELDS is supported. This property
+ * is also an associative with the names of the constraint fields as array
+ * constraints. Each entry of this array is set to another type of associative
+ * array that specifies properties of the constraint that are specific to
+ * each field.
+ *
+ * Example
+ * array(
+ * 'fields' => array(
+ * 'user_name' => array(),
+ * 'last_login' => array()
+ * )
+ * )
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function createConstraint($table, $name, $definition)
+ {
+ $result = parent::createConstraint($table, $name, $definition);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ if (!empty($definition['foreign'])) {
+ return $this->_createFKTriggers($table, array($name => $definition));
+ }
+ return MDB2_OK;
+ }
+
+ // }}}
+ // {{{ dropConstraint()
+
+ /**
+ * drop existing constraint
+ *
+ * @param string $table name of table that should be used in method
+ * @param string $name name of the constraint to be dropped
+ * @param string $primary hint if the constraint is primary
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function dropConstraint($table, $name, $primary = false)
+ {
+ $db = $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ //is it a FK constraint? If so, also delete the associated triggers
+ $db->loadModule('Reverse', null, true);
+ $definition = $db->reverse->getTableConstraintDefinition($table, $name);
+ if (!PEAR::isError($definition) && !empty($definition['foreign'])) {
+ //first drop the FK enforcing triggers
+ $result = $this->_dropFKTriggers($table, $name, $definition['references']['table']);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ }
+
+ return parent::dropConstraint($table, $name, $primary);
+ }
+
+ // }}}
+ // {{{ _createFKTriggers()
+
+ /**
+ * Create triggers to enforce the FOREIGN KEY constraint on the table
+ *
+ * @param string $table table name
+ * @param array $foreign_keys FOREIGN KEY definitions
+ *
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access private
+ */
+ function _createFKTriggers($table, $foreign_keys)
+ {
+ $db = $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+ // create triggers to enforce FOREIGN KEY constraints
+ if ($db->supports('triggers') && !empty($foreign_keys)) {
+ $table = $db->quoteIdentifier($table, true);
+ foreach ($foreign_keys as $fkname => $fkdef) {
+ if (empty($fkdef)) {
+ continue;
+ }
+ $fkdef['onupdate'] = empty($fkdef['onupdate']) ? $db->options['default_fk_action_onupdate'] : strtoupper($fkdef['onupdate']);
+ if ('RESTRICT' == $fkdef['onupdate'] || 'NO ACTION' == $fkdef['onupdate']) {
+ // already handled by default
+ continue;
+ }
+
+ $trigger_name = substr(strtolower($fkname.'_pk_upd_trg'), 0, $db->options['max_identifiers_length']);
+ $table_fields = array_keys($fkdef['fields']);
+ $referenced_fields = array_keys($fkdef['references']['fields']);
+
+ //create the ON UPDATE trigger on the primary table
+ $restrict_action = ' IF (SELECT ';
+ $aliased_fields = array();
+ foreach ($table_fields as $field) {
+ $aliased_fields[] = $table .'.'.$field .' AS '.$field;
+ }
+ $restrict_action .= implode(',', $aliased_fields)
+ .' FROM '.$table
+ .' WHERE ';
+ $conditions = array();
+ $new_values = array();
+ $null_values = array();
+ for ($i=0; $i<count($table_fields); $i++) {
+ $conditions[] = $table_fields[$i] .' = :OLD.'.$referenced_fields[$i];
+ $new_values[] = $table_fields[$i] .' = :NEW.'.$referenced_fields[$i];
+ $null_values[] = $table_fields[$i] .' = NULL';
+ }
+
+ $cascade_action = 'UPDATE '.$table.' SET '.implode(', ', $new_values) .' WHERE '.implode(' AND ', $conditions). ';';
+ $setnull_action = 'UPDATE '.$table.' SET '.implode(', ', $null_values).' WHERE '.implode(' AND ', $conditions). ';';
+
+ if ('SET DEFAULT' == $fkdef['onupdate'] || 'SET DEFAULT' == $fkdef['ondelete']) {
+ $db->loadModule('Reverse', null, true);
+ $default_values = array();
+ foreach ($table_fields as $table_field) {
+ $field_definition = $db->reverse->getTableFieldDefinition($table, $field);
+ if (PEAR::isError($field_definition)) {
+ return $field_definition;
+ }
+ $default_values[] = $table_field .' = '. $field_definition[0]['default'];
+ }
+ $setdefault_action = 'UPDATE '.$table.' SET '.implode(', ', $default_values).' WHERE '.implode(' AND ', $conditions). ';';
+ }
+
+ $query = 'CREATE TRIGGER %s'
+ .' %s ON '.$fkdef['references']['table']
+ .' FOR EACH ROW '
+ .' BEGIN ';
+
+ if ('CASCADE' == $fkdef['onupdate']) {
+ $sql_update = sprintf($query, $trigger_name, 'BEFORE UPDATE', 'update') . $cascade_action;
+ } elseif ('SET NULL' == $fkdef['onupdate']) {
+ $sql_update = sprintf($query, $trigger_name, 'BEFORE UPDATE', 'update') . $setnull_action;
+ } elseif ('SET DEFAULT' == $fkdef['onupdate']) {
+ $sql_update = sprintf($query, $trigger_name, 'BEFORE UPDATE', 'update') . $setdefault_action;
+ }
+ $sql_update .= ' END;';
+ $result = $db->exec($sql_update);
+ if (PEAR::isError($result)) {
+ if ($result->getCode() === MDB2_ERROR_ALREADY_EXISTS) {
+ return MDB2_OK;
+ }
+ return $result;
+ }
+ }
+ }
+ return MDB2_OK;
+ }
+
+ // }}}
+ // {{{ _dropFKTriggers()
+
+ /**
+ * Drop the triggers created to enforce the FOREIGN KEY constraint on the table
+ *
+ * @param string $table table name
+ * @param string $fkname FOREIGN KEY constraint name
+ * @param string $referenced_table referenced table name
+ *
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access private
+ */
+ function _dropFKTriggers($table, $fkname, $referenced_table)
+ {
+ $db = $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $triggers = $this->listTableTriggers($table);
+ $triggers2 = $this->listTableTriggers($referenced_table);
+ if (!PEAR::isError($triggers2) && !PEAR::isError($triggers)) {
+ $triggers = array_merge($triggers, $triggers2);
+ $trigger_name = substr(strtolower($fkname.'_pk_upd_trg'), 0, $db->options['max_identifiers_length']);
+ $pattern = '/^'.$trigger_name.'$/i';
+ foreach ($triggers as $trigger) {
+ if (preg_match($pattern, $trigger)) {
+ $result = $db->exec('DROP TRIGGER '.$trigger);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ }
+ }
+ }
+ return MDB2_OK;
+ }
+
+ // }}}
+ // {{{ listTableConstraints()
+
+ /**
+ * list all constraints in a table
+ *
+ * @param string $table name of table that should be used in method
+ * @return mixed array of constraint names on success, a MDB2 error on failure
+ * @access public
+ */
+ function listTableConstraints($table)
+ {
+ $db = $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ list($owner, $table) = $this->splitTableSchema($table);
+ if (empty($owner)) {
+ $owner = $db->dsn['username'];
+ }
+
+ $query = 'SELECT constraint_name
+ FROM all_constraints
+ WHERE (table_name=? OR table_name=?)
+ AND (owner=? OR owner=?)';
+ $stmt = $db->prepare($query);
+ if (PEAR::isError($stmt)) {
+ return $stmt;
+ }
+ $args = array(
+ $table,
+ strtoupper($table),
+ $owner,
+ strtoupper($owner),
+ );
+ $result = $stmt->execute($args);
+ return $this->_fetchCol($result, true);
+ }
+
+ // }}}
+ // {{{ createSequence()
+
+ /**
+ * create sequence
+ *
+ * @param object $db database object that is extended by this class
+ * @param string $seq_name name of the sequence to be created
+ * @param string $start start value of the sequence; default is 1
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function createSequence($seq_name, $start = 1)
+ {
+ $db = $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $sequence_name = $db->quoteIdentifier($db->getSequenceName($seq_name), true);
+ $query = "CREATE SEQUENCE $sequence_name START WITH $start INCREMENT BY 1 NOCACHE";
+ $query.= ($start < 1 ? " MINVALUE $start" : '');
+ return $db->exec($query);
+ }
+
+ // }}}
+ // {{{ dropSequence()
+
+ /**
+ * drop existing sequence
+ *
+ * @param object $db database object that is extended by this class
+ * @param string $seq_name name of the sequence to be dropped
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function dropSequence($seq_name)
+ {
+ $db = $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $sequence_name = $db->quoteIdentifier($db->getSequenceName($seq_name), true);
+ return $db->exec("DROP SEQUENCE $sequence_name");
+ }
+
+ // }}}
+ // {{{ listSequences()
+
+ /**
+ * list all sequences in the current database
+ *
+ * @param string owner, the current is default
+ * @return mixed array of sequence names on success, a MDB2 error on failure
+ * @access public
+ */
+ function listSequences($owner = null)
+ {
+ $db = $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ if (empty($owner)) {
+ $owner = $db->dsn['username'];
+ }
+
+ $query = 'SELECT sequence_name
+ FROM sys.all_sequences
+ WHERE (sequence_owner=? OR sequence_owner=?)';
+ $stmt = $db->prepare($query);
+ if (PEAR::isError($stmt)) {
+ return $stmt;
+ }
+ $result = $stmt->execute(array($owner, strtoupper($owner)));
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ $col = $result->fetchCol();
+ if (PEAR::isError($col)) {
+ return $col;
+ }
+ $result->free();
+
+ foreach ($col as $k => $v) {
+ $col[$k] = $this->_fixSequenceName($v);
+ }
+
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE
+ && $db->options['field_case'] == CASE_LOWER
+ ) {
+ $col = array_map(($db->options['field_case'] == CASE_LOWER ? 'strtolower' : 'strtoupper'), $col);
+ }
+ return $col;
+ }
+}
+?> \ No newline at end of file
diff --git a/3rdparty/MDB2/Driver/Native/oci8.php b/3rdparty/MDB2/Driver/Native/oci8.php
new file mode 100644
index 00000000000..d198f9687a9
--- /dev/null
+++ b/3rdparty/MDB2/Driver/Native/oci8.php
@@ -0,0 +1,60 @@
+<?php
+// +----------------------------------------------------------------------+
+// | PHP versions 4 and 5 |
+// +----------------------------------------------------------------------+
+// | Copyright (c) 1998-2006 Manuel Lemos, Tomas V.V.Cox, |
+// | Stig. S. Bakken, Lukas Smith, Frank M. Kromann |
+// | All rights reserved. |
+// +----------------------------------------------------------------------+
+// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB |
+// | API as well as database abstraction for PHP applications. |
+// | This LICENSE is in the BSD license style. |
+// | |
+// | Redistribution and use in source and binary forms, with or without |
+// | modification, are permitted provided that the following conditions |
+// | are met: |
+// | |
+// | Redistributions of source code must retain the above copyright |
+// | notice, this list of conditions and the following disclaimer. |
+// | |
+// | Redistributions in binary form must reproduce the above copyright |
+// | notice, this list of conditions and the following disclaimer in the |
+// | documentation and/or other materials provided with the distribution. |
+// | |
+// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken, |
+// | Lukas Smith nor the names of his contributors may be used to endorse |
+// | or promote products derived from this software without specific prior|
+// | written permission. |
+// | |
+// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
+// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
+// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
+// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
+// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
+// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
+// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|
+// | OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
+// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
+// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|
+// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
+// | POSSIBILITY OF SUCH DAMAGE. |
+// +----------------------------------------------------------------------+
+// | Author: Lukas Smith <smith@pooteeweet.org> |
+// +----------------------------------------------------------------------+
+//
+// $Id: oci8.php 215004 2006-06-18 21:59:05Z lsmith $
+//
+
+require_once 'MDB2/Driver/Native/Common.php';
+
+/**
+ * MDB2 Oracle driver for the native module
+ *
+ * @package MDB2
+ * @category Database
+ * @author Lukas Smith <smith@dybnet.de>
+ */
+class MDB2_Driver_Native_oci8 extends MDB2_Driver_Native_Common
+{
+}
+?> \ No newline at end of file
diff --git a/3rdparty/MDB2/Driver/Reverse/oci8.php b/3rdparty/MDB2/Driver/Reverse/oci8.php
new file mode 100644
index 00000000000..c86847fa6b4
--- /dev/null
+++ b/3rdparty/MDB2/Driver/Reverse/oci8.php
@@ -0,0 +1,621 @@
+<?php
+// +----------------------------------------------------------------------+
+// | PHP versions 4 and 5 |
+// +----------------------------------------------------------------------+
+// | Copyright (c) 1998-2007 Manuel Lemos, Tomas V.V.Cox, |
+// | Stig. S. Bakken, Lukas Smith, Frank M. Kromann, Lorenzo Alberton |
+// | All rights reserved. |
+// +----------------------------------------------------------------------+
+// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB |
+// | API as well as database abstraction for PHP applications. |
+// | This LICENSE is in the BSD license style. |
+// | |
+// | Redistribution and use in source and binary forms, with or without |
+// | modification, are permitted provided that the following conditions |
+// | are met: |
+// | |
+// | Redistributions of source code must retain the above copyright |
+// | notice, this list of conditions and the following disclaimer. |
+// | |
+// | Redistributions in binary form must reproduce the above copyright |
+// | notice, this list of conditions and the following disclaimer in the |
+// | documentation and/or other materials provided with the distribution. |
+// | |
+// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken, |
+// | Lukas Smith nor the names of his contributors may be used to endorse |
+// | or promote products derived from this software without specific prior|
+// | written permission. |
+// | |
+// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
+// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
+// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
+// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
+// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
+// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
+// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|
+// | OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
+// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
+// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|
+// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
+// | POSSIBILITY OF SUCH DAMAGE. |
+// +----------------------------------------------------------------------+
+// | Authors: Lukas Smith <smith@pooteeweet.org> |
+// | Lorenzo Alberton <l.alberton@quipo.it> |
+// +----------------------------------------------------------------------+
+//
+// $Id: oci8.php 295587 2010-02-28 17:16:38Z quipo $
+//
+
+require_once 'MDB2/Driver/Reverse/Common.php';
+
+/**
+ * MDB2 Oracle driver for the schema reverse engineering module
+ *
+ * @package MDB2
+ * @category Database
+ * @author Lukas Smith <smith@dybnet.de>
+ */
+class MDB2_Driver_Reverse_oci8 extends MDB2_Driver_Reverse_Common
+{
+ // {{{ getTableFieldDefinition()
+
+ /**
+ * Get the structure of a field into an array
+ *
+ * @param string $table_name name of table that should be used in method
+ * @param string $field_name name of field that should be used in method
+ * @return mixed data array on success, a MDB2 error on failure
+ * @access public
+ */
+ function getTableFieldDefinition($table_name, $field_name)
+ {
+ $db = $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $result = $db->loadModule('Datatype', null, true);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+
+ list($owner, $table) = $this->splitTableSchema($table_name);
+ if (empty($owner)) {
+ $owner = $db->dsn['username'];
+ }
+
+ $query = 'SELECT column_name name,
+ data_type "type",
+ nullable,
+ data_default "default",
+ COALESCE(data_precision, data_length) "length",
+ data_scale "scale"
+ FROM all_tab_columns
+ WHERE (table_name=? OR table_name=?)
+ AND (owner=? OR owner=?)
+ AND (column_name=? OR column_name=?)
+ ORDER BY column_id';
+ $stmt = $db->prepare($query);
+ if (PEAR::isError($stmt)) {
+ return $stmt;
+ }
+ $args = array(
+ $table,
+ strtoupper($table),
+ $owner,
+ strtoupper($owner),
+ $field_name,
+ strtoupper($field_name)
+ );
+ $result = $stmt->execute($args);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ $column = $result->fetchRow(MDB2_FETCHMODE_ASSOC);
+ if (PEAR::isError($column)) {
+ return $column;
+ }
+ $stmt->free();
+ $result->free();
+
+ if (empty($column)) {
+ return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+ $field_name . ' is not a column in table ' . $table_name, __FUNCTION__);
+ }
+
+ $column = array_change_key_case($column, CASE_LOWER);
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ if ($db->options['field_case'] == CASE_LOWER) {
+ $column['name'] = strtolower($column['name']);
+ } else {
+ $column['name'] = strtoupper($column['name']);
+ }
+ }
+ $mapped_datatype = $db->datatype->mapNativeDatatype($column);
+ if (PEAR::isError($mapped_datatype)) {
+ return $mapped_datatype;
+ }
+ list($types, $length, $unsigned, $fixed) = $mapped_datatype;
+ $notnull = false;
+ if (!empty($column['nullable']) && $column['nullable'] == 'N') {
+ $notnull = true;
+ }
+ $default = false;
+ if (array_key_exists('default', $column)) {
+ $default = $column['default'];
+ if ($default === 'NULL') {
+ $default = null;
+ }
+ if ((null === $default) && $notnull) {
+ $default = '';
+ }
+ }
+
+ $definition[0] = array('notnull' => $notnull, 'nativetype' => $column['type']);
+ if (null !== $length) {
+ $definition[0]['length'] = $length;
+ }
+ if (null !== $unsigned) {
+ $definition[0]['unsigned'] = $unsigned;
+ }
+ if (null !== $fixed) {
+ $definition[0]['fixed'] = $fixed;
+ }
+ if ($default !== false) {
+ $definition[0]['default'] = $default;
+ }
+ foreach ($types as $key => $type) {
+ $definition[$key] = $definition[0];
+ if ($type == 'clob' || $type == 'blob') {
+ unset($definition[$key]['default']);
+ }
+ $definition[$key]['type'] = $type;
+ $definition[$key]['mdb2type'] = $type;
+ }
+ if ($type == 'integer') {
+ $query= "SELECT trigger_body
+ FROM all_triggers
+ WHERE table_name=?
+ AND triggering_event='INSERT'
+ AND trigger_type='BEFORE EACH ROW'";
+ // ^^ pretty reasonable mimic for "auto_increment" in oracle?
+ $stmt = $db->prepare($query);
+ if (PEAR::isError($stmt)) {
+ return $stmt;
+ }
+ $result = $stmt->execute(strtoupper($table));
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ while ($triggerstr = $result->fetchOne()) {
+ if (preg_match('/.*SELECT\W+(.+)\.nextval +into +\:NEW\.'.$field_name.' +FROM +dual/im', $triggerstr, $matches)) {
+ $definition[0]['autoincrement'] = $matches[1];
+ }
+ }
+ $stmt->free();
+ $result->free();
+ }
+ return $definition;
+ }
+
+ // }}}
+ // {{{ getTableIndexDefinition()
+
+ /**
+ * Get the structure of an index into an array
+ *
+ * @param string $table_name name of table that should be used in method
+ * @param string $index_name name of index that should be used in method
+ * @return mixed data array on success, a MDB2 error on failure
+ * @access public
+ */
+ function getTableIndexDefinition($table_name, $index_name)
+ {
+ $db = $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ list($owner, $table) = $this->splitTableSchema($table_name);
+ if (empty($owner)) {
+ $owner = $db->dsn['username'];
+ }
+
+ $query = "SELECT aic.column_name,
+ aic.column_position,
+ aic.descend,
+ aic.table_owner,
+ alc.constraint_type
+ FROM all_ind_columns aic
+ LEFT JOIN all_constraints alc
+ ON aic.index_name = alc.constraint_name
+ AND aic.table_name = alc.table_name
+ AND aic.table_owner = alc.owner
+ WHERE (aic.table_name=? OR aic.table_name=?)
+ AND (aic.index_name=? OR aic.index_name=?)
+ AND (aic.table_owner=? OR aic.table_owner=?)
+ ORDER BY column_position";
+ $stmt = $db->prepare($query);
+ if (PEAR::isError($stmt)) {
+ return $stmt;
+ }
+ $indexnames = array_unique(array($db->getIndexName($index_name), $index_name));
+ $i = 0;
+ $row = null;
+ while ((null === $row) && array_key_exists($i, $indexnames)) {
+ $args = array(
+ $table,
+ strtoupper($table),
+ $indexnames[$i],
+ strtoupper($indexnames[$i]),
+ $owner,
+ strtoupper($owner)
+ );
+ $result = $stmt->execute($args);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ $row = $result->fetchRow(MDB2_FETCHMODE_ASSOC);
+ if (PEAR::isError($row)) {
+ return $row;
+ }
+ $i++;
+ }
+ if (null === $row) {
+ return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+ $index_name. ' is not an index on table '. $table_name, __FUNCTION__);
+ }
+ if ($row['constraint_type'] == 'U' || $row['constraint_type'] == 'P') {
+ return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+ $index_name. ' is a constraint, not an index on table '. $table_name, __FUNCTION__);
+ }
+
+ $definition = array();
+ while (null !== $row) {
+ $row = array_change_key_case($row, CASE_LOWER);
+ $column_name = $row['column_name'];
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ if ($db->options['field_case'] == CASE_LOWER) {
+ $column_name = strtolower($column_name);
+ } else {
+ $column_name = strtoupper($column_name);
+ }
+ }
+ $definition['fields'][$column_name] = array(
+ 'position' => (int)$row['column_position'],
+ );
+ if (!empty($row['descend'])) {
+ $definition['fields'][$column_name]['sorting'] =
+ ($row['descend'] == 'ASC' ? 'ascending' : 'descending');
+ }
+ $row = $result->fetchRow(MDB2_FETCHMODE_ASSOC);
+ }
+ $result->free();
+ if (empty($definition['fields'])) {
+ return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+ $index_name. ' is not an index on table '. $table_name, __FUNCTION__);
+ }
+ return $definition;
+ }
+
+ // }}}
+ // {{{ getTableConstraintDefinition()
+
+ /**
+ * Get the structure of a constraint into an array
+ *
+ * @param string $table_name name of table that should be used in method
+ * @param string $constraint_name name of constraint that should be used in method
+ * @return mixed data array on success, a MDB2 error on failure
+ * @access public
+ */
+ function getTableConstraintDefinition($table_name, $constraint_name)
+ {
+ $db = $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ list($owner, $table) = $this->splitTableSchema($table_name);
+ if (empty($owner)) {
+ $owner = $db->dsn['username'];
+ }
+
+ $query = 'SELECT alc.constraint_name,
+ CASE alc.constraint_type WHEN \'P\' THEN 1 ELSE 0 END "primary",
+ CASE alc.constraint_type WHEN \'R\' THEN 1 ELSE 0 END "foreign",
+ CASE alc.constraint_type WHEN \'U\' THEN 1 ELSE 0 END "unique",
+ CASE alc.constraint_type WHEN \'C\' THEN 1 ELSE 0 END "check",
+ alc.DELETE_RULE "ondelete",
+ \'NO ACTION\' "onupdate",
+ \'SIMPLE\' "match",
+ CASE alc.deferrable WHEN \'NOT DEFERRABLE\' THEN 0 ELSE 1 END "deferrable",
+ CASE alc.deferred WHEN \'IMMEDIATE\' THEN 0 ELSE 1 END "initiallydeferred",
+ alc.search_condition,
+ alc.table_name,
+ cols.column_name,
+ cols.position,
+ r_alc.table_name "references_table",
+ r_cols.column_name "references_field",
+ r_cols.position "references_field_position"
+ FROM all_cons_columns cols
+ LEFT JOIN all_constraints alc
+ ON alc.constraint_name = cols.constraint_name
+ AND alc.owner = cols.owner
+ LEFT JOIN all_constraints r_alc
+ ON alc.r_constraint_name = r_alc.constraint_name
+ AND alc.r_owner = r_alc.owner
+ LEFT JOIN all_cons_columns r_cols
+ ON r_alc.constraint_name = r_cols.constraint_name
+ AND r_alc.owner = r_cols.owner
+ AND cols.position = r_cols.position
+ WHERE (alc.constraint_name=? OR alc.constraint_name=?)
+ AND alc.constraint_name = cols.constraint_name
+ AND (alc.owner=? OR alc.owner=?)';
+ $tablenames = array();
+ if (!empty($table)) {
+ $query.= ' AND (alc.table_name=? OR alc.table_name=?)';
+ $tablenames = array($table, strtoupper($table));
+ }
+ $stmt = $db->prepare($query);
+ if (PEAR::isError($stmt)) {
+ return $stmt;
+ }
+
+ $constraintnames = array_unique(array($db->getIndexName($constraint_name), $constraint_name));
+ $c = 0;
+ $row = null;
+ while ((null === $row) && array_key_exists($c, $constraintnames)) {
+ $args = array(
+ $constraintnames[$c],
+ strtoupper($constraintnames[$c]),
+ $owner,
+ strtoupper($owner)
+ );
+ if (!empty($table)) {
+ $args = array_merge($args, $tablenames);
+ }
+ $result = $stmt->execute($args);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ $row = $result->fetchRow(MDB2_FETCHMODE_ASSOC);
+ if (PEAR::isError($row)) {
+ return $row;
+ }
+ $c++;
+ }
+
+ $definition = array(
+ 'primary' => (boolean)$row['primary'],
+ 'unique' => (boolean)$row['unique'],
+ 'foreign' => (boolean)$row['foreign'],
+ 'check' => (boolean)$row['check'],
+ 'deferrable' => (boolean)$row['deferrable'],
+ 'initiallydeferred' => (boolean)$row['initiallydeferred'],
+ 'ondelete' => $row['ondelete'],
+ 'onupdate' => $row['onupdate'],
+ 'match' => $row['match'],
+ );
+
+ if ($definition['check']) {
+ // pattern match constraint for check constraint values into enum-style output:
+ $enumregex = '/'.$row['column_name'].' in \((.+?)\)/i';
+ if (preg_match($enumregex, $row['search_condition'], $rangestr)) {
+ $definition['fields'][$column_name] = array();
+ $allowed = explode(',', $rangestr[1]);
+ foreach ($allowed as $val) {
+ $val = trim($val);
+ $val = preg_replace('/^\'/', '', $val);
+ $val = preg_replace('/\'$/', '', $val);
+ array_push($definition['fields'][$column_name], $val);
+ }
+ }
+ }
+
+ while (null !== $row) {
+ $row = array_change_key_case($row, CASE_LOWER);
+ $column_name = $row['column_name'];
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ if ($db->options['field_case'] == CASE_LOWER) {
+ $column_name = strtolower($column_name);
+ } else {
+ $column_name = strtoupper($column_name);
+ }
+ }
+ $definition['fields'][$column_name] = array(
+ 'position' => (int)$row['position']
+ );
+ if ($row['foreign']) {
+ $ref_column_name = $row['references_field'];
+ $ref_table_name = $row['references_table'];
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ if ($db->options['field_case'] == CASE_LOWER) {
+ $ref_column_name = strtolower($ref_column_name);
+ $ref_table_name = strtolower($ref_table_name);
+ } else {
+ $ref_column_name = strtoupper($ref_column_name);
+ $ref_table_name = strtoupper($ref_table_name);
+ }
+ }
+ $definition['references']['table'] = $ref_table_name;
+ $definition['references']['fields'][$ref_column_name] = array(
+ 'position' => (int)$row['references_field_position']
+ );
+ }
+ $lastrow = $row;
+ $row = $result->fetchRow(MDB2_FETCHMODE_ASSOC);
+ }
+ $result->free();
+ if (empty($definition['fields'])) {
+ return $db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+ $constraint_name . ' is not a constraint on table '. $table_name, __FUNCTION__);
+ }
+
+ return $definition;
+ }
+
+ // }}}
+ // {{{ getSequenceDefinition()
+
+ /**
+ * Get the structure of a sequence into an array
+ *
+ * @param string $sequence name of sequence that should be used in method
+ * @return mixed data array on success, a MDB2 error on failure
+ * @access public
+ */
+ function getSequenceDefinition($sequence)
+ {
+ $db = $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $sequence_name = $db->getSequenceName($sequence);
+ $query = 'SELECT last_number FROM user_sequences';
+ $query.= ' WHERE sequence_name='.$db->quote($sequence_name, 'text');
+ $query.= ' OR sequence_name='.$db->quote(strtoupper($sequence_name), 'text');
+ $start = $db->queryOne($query, 'integer');
+ if (PEAR::isError($start)) {
+ return $start;
+ }
+ $definition = array();
+ if ($start != 1) {
+ $definition = array('start' => $start);
+ }
+ return $definition;
+ }
+
+ // }}}
+ // {{{ getTriggerDefinition()
+
+ /**
+ * Get the structure of a trigger into an array
+ *
+ * EXPERIMENTAL
+ *
+ * WARNING: this function is experimental and may change the returned value
+ * at any time until labelled as non-experimental
+ *
+ * @param string $trigger name of trigger that should be used in method
+ * @return mixed data array on success, a MDB2 error on failure
+ * @access public
+ */
+ function getTriggerDefinition($trigger)
+ {
+ $db = $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $query = 'SELECT trigger_name,
+ table_name,
+ trigger_body,
+ trigger_type,
+ triggering_event trigger_event,
+ description trigger_comment,
+ 1 trigger_enabled,
+ when_clause
+ FROM user_triggers
+ WHERE trigger_name = \''. strtoupper($trigger).'\'';
+ $types = array(
+ 'trigger_name' => 'text',
+ 'table_name' => 'text',
+ 'trigger_body' => 'text',
+ 'trigger_type' => 'text',
+ 'trigger_event' => 'text',
+ 'trigger_comment' => 'text',
+ 'trigger_enabled' => 'boolean',
+ 'when_clause' => 'text',
+ );
+ $result = $db->queryRow($query, $types, MDB2_FETCHMODE_ASSOC);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ if (!empty($result['trigger_type'])) {
+ //$result['trigger_type'] = array_shift(explode(' ', $result['trigger_type']));
+ $result['trigger_type'] = preg_replace('/(\S+).*/', '\\1', $result['trigger_type']);
+ }
+ return $result;
+ }
+
+ // }}}
+ // {{{ tableInfo()
+
+ /**
+ * Returns information about a table or a result set
+ *
+ * NOTE: only supports 'table' and 'flags' if <var>$result</var>
+ * is a table name.
+ *
+ * NOTE: flags won't contain index information.
+ *
+ * @param object|string $result MDB2_result object from a query or a
+ * string containing the name of a table.
+ * While this also accepts a query result
+ * resource identifier, this behavior is
+ * deprecated.
+ * @param int $mode a valid tableInfo mode
+ *
+ * @return array an associative array with the information requested.
+ * A MDB2_Error object on failure.
+ *
+ * @see MDB2_Driver_Common::tableInfo()
+ */
+ function tableInfo($result, $mode = null)
+ {
+ if (is_string($result)) {
+ return parent::tableInfo($result, $mode);
+ }
+
+ $db = $this->getDBInstance();
+ if (PEAR::isError($db)) {
+ return $db;
+ }
+
+ $resource = MDB2::isResultCommon($result) ? $result->getResource() : $result;
+ if (!is_resource($resource)) {
+ return $db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
+ 'Could not generate result resource', __FUNCTION__);
+ }
+
+ if ($db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ if ($db->options['field_case'] == CASE_LOWER) {
+ $case_func = 'strtolower';
+ } else {
+ $case_func = 'strtoupper';
+ }
+ } else {
+ $case_func = 'strval';
+ }
+
+ $count = @OCINumCols($resource);
+ $res = array();
+
+ if ($mode) {
+ $res['num_fields'] = $count;
+ }
+
+ $db->loadModule('Datatype', null, true);
+ for ($i = 0; $i < $count; $i++) {
+ $column = array(
+ 'table' => '',
+ 'name' => $case_func(@OCIColumnName($resource, $i+1)),
+ 'type' => @OCIColumnType($resource, $i+1),
+ 'length' => @OCIColumnSize($resource, $i+1),
+ 'flags' => '',
+ );
+ $res[$i] = $column;
+ $res[$i]['mdb2type'] = $db->datatype->mapNativeDatatype($res[$i]);
+ if ($mode & MDB2_TABLEINFO_ORDER) {
+ $res['order'][$res[$i]['name']] = $i;
+ }
+ if ($mode & MDB2_TABLEINFO_ORDERTABLE) {
+ $res['ordertable'][$res[$i]['table']][$res[$i]['name']] = $i;
+ }
+ }
+ return $res;
+ }
+}
+?> \ No newline at end of file
diff --git a/3rdparty/MDB2/Driver/oci8.php b/3rdparty/MDB2/Driver/oci8.php
new file mode 100644
index 00000000000..f61896b4ab3
--- /dev/null
+++ b/3rdparty/MDB2/Driver/oci8.php
@@ -0,0 +1,1647 @@
+<?php
+// vim: set et ts=4 sw=4 fdm=marker:
+// +----------------------------------------------------------------------+
+// | PHP versions 4 and 5 |
+// +----------------------------------------------------------------------+
+// | Copyright (c) 1998-2008 Manuel Lemos, Tomas V.V.Cox, |
+// | Stig. S. Bakken, Lukas Smith |
+// | All rights reserved. |
+// +----------------------------------------------------------------------+
+// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB |
+// | API as well as database abstraction for PHP applications. |
+// | This LICENSE is in the BSD license style. |
+// | |
+// | Redistribution and use in source and binary forms, with or without |
+// | modification, are permitted provided that the following conditions |
+// | are met: |
+// | |
+// | Redistributions of source code must retain the above copyright |
+// | notice, this list of conditions and the following disclaimer. |
+// | |
+// | Redistributions in binary form must reproduce the above copyright |
+// | notice, this list of conditions and the following disclaimer in the |
+// | documentation and/or other materials provided with the distribution. |
+// | |
+// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken, |
+// | Lukas Smith nor the names of his contributors may be used to endorse |
+// | or promote products derived from this software without specific prior|
+// | written permission. |
+// | |
+// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
+// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
+// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
+// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
+// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
+// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
+// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|
+// | OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
+// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
+// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|
+// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
+// | POSSIBILITY OF SUCH DAMAGE. |
+// +----------------------------------------------------------------------+
+// | Author: Lukas Smith <smith@pooteeweet.org> |
+// +----------------------------------------------------------------------+
+
+// $Id: oci8.php 295587 2010-02-28 17:16:38Z quipo $
+
+/**
+ * MDB2 OCI8 driver
+ *
+ * @package MDB2
+ * @category Database
+ * @author Lukas Smith <smith@pooteeweet.org>
+ */
+class MDB2_Driver_oci8 extends MDB2_Driver_Common
+{
+ // {{{ properties
+ var $string_quoting = array('start' => "'", 'end' => "'", 'escape' => "'", 'escape_pattern' => '@');
+
+ var $identifier_quoting = array('start' => '"', 'end' => '"', 'escape' => '"');
+
+ var $uncommitedqueries = 0;
+ // }}}
+ // {{{ constructor
+
+ /**
+ * Constructor
+ */
+ function __construct()
+ {
+ parent::__construct();
+
+ $this->phptype = 'oci8';
+ $this->dbsyntax = 'oci8';
+
+ $this->supported['sequences'] = true;
+ $this->supported['indexes'] = true;
+ $this->supported['summary_functions'] = true;
+ $this->supported['order_by_text'] = true;
+ $this->supported['current_id'] = true;
+ $this->supported['affected_rows'] = true;
+ $this->supported['transactions'] = true;
+ $this->supported['savepoints'] = true;
+ $this->supported['limit_queries'] = true;
+ $this->supported['LOBs'] = true;
+ $this->supported['replace'] = 'emulated';
+ $this->supported['sub_selects'] = true;
+ $this->supported['triggers'] = true;
+ $this->supported['auto_increment'] = false; // implementation is broken
+ $this->supported['primary_key'] = true;
+ $this->supported['result_introspection'] = true;
+ $this->supported['prepared_statements'] = true;
+ $this->supported['identifier_quoting'] = true;
+ $this->supported['pattern_escaping'] = true;
+ $this->supported['new_link'] = true;
+
+ $this->options['DBA_username'] = false;
+ $this->options['DBA_password'] = false;
+ $this->options['database_name_prefix'] = false;
+ $this->options['emulate_database'] = true;
+ $this->options['default_tablespace'] = false;
+ $this->options['default_text_field_length'] = 2000;
+ $this->options['lob_allow_url_include'] = false;
+ $this->options['result_prefetching'] = false;
+ $this->options['max_identifiers_length'] = 30;
+ }
+
+ // }}}
+ // {{{ errorInfo()
+
+ /**
+ * This method is used to collect information about an error
+ *
+ * @param integer $error
+ * @return array
+ * @access public
+ */
+ function errorInfo($error = null)
+ {
+ if (is_resource($error)) {
+ $error_data = @OCIError($error);
+ $error = null;
+ } elseif ($this->connection) {
+ $error_data = @OCIError($this->connection);
+ } else {
+ $error_data = @OCIError();
+ }
+ $native_code = $error_data['code'];
+ $native_msg = $error_data['message'];
+ if (null === $error) {
+ static $ecode_map;
+ if (empty($ecode_map)) {
+ $ecode_map = array(
+ 1 => MDB2_ERROR_CONSTRAINT,
+ 900 => MDB2_ERROR_SYNTAX,
+ 904 => MDB2_ERROR_NOSUCHFIELD,
+ 911 => MDB2_ERROR_SYNTAX, //invalid character
+ 913 => MDB2_ERROR_VALUE_COUNT_ON_ROW,
+ 921 => MDB2_ERROR_SYNTAX,
+ 923 => MDB2_ERROR_SYNTAX,
+ 942 => MDB2_ERROR_NOSUCHTABLE,
+ 955 => MDB2_ERROR_ALREADY_EXISTS,
+ 1400 => MDB2_ERROR_CONSTRAINT_NOT_NULL,
+ 1401 => MDB2_ERROR_INVALID,
+ 1407 => MDB2_ERROR_CONSTRAINT_NOT_NULL,
+ 1418 => MDB2_ERROR_NOT_FOUND,
+ 1435 => MDB2_ERROR_NOT_FOUND,
+ 1476 => MDB2_ERROR_DIVZERO,
+ 1722 => MDB2_ERROR_INVALID_NUMBER,
+ 2289 => MDB2_ERROR_NOSUCHTABLE,
+ 2291 => MDB2_ERROR_CONSTRAINT,
+ 2292 => MDB2_ERROR_CONSTRAINT,
+ 2449 => MDB2_ERROR_CONSTRAINT,
+ 4081 => MDB2_ERROR_ALREADY_EXISTS, //trigger already exists
+ 24344 => MDB2_ERROR_SYNTAX, //success with compilation error
+ );
+ }
+ if (isset($ecode_map[$native_code])) {
+ $error = $ecode_map[$native_code];
+ }
+ }
+ return array($error, $native_code, $native_msg);
+ }
+
+ // }}}
+ // {{{ beginTransaction()
+
+ /**
+ * Start a transaction or set a savepoint.
+ *
+ * @param string name of a savepoint to set
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ *
+ * @access public
+ */
+ function beginTransaction($savepoint = null)
+ {
+ $this->debug('Starting transaction/savepoint', __FUNCTION__, array('is_manip' => true, 'savepoint' => $savepoint));
+ if (null !== $savepoint) {
+ if (!$this->in_transaction) {
+ return $this->raiseError(MDB2_ERROR_INVALID, null, null,
+ 'savepoint cannot be released when changes are auto committed', __FUNCTION__);
+ }
+ $query = 'SAVEPOINT '.$savepoint;
+ return $this->_doQuery($query, true);
+ }
+ if ($this->in_transaction) {
+ return MDB2_OK; //nothing to do
+ }
+ if (!$this->destructor_registered && $this->opened_persistent) {
+ $this->destructor_registered = true;
+ register_shutdown_function('MDB2_closeOpenTransactions');
+ }
+ $this->in_transaction = true;
+ ++$this->uncommitedqueries;
+ return MDB2_OK;
+ }
+
+ // }}}
+ // {{{ commit()
+
+ /**
+ * Commit the database changes done during a transaction that is in
+ * progress or release a savepoint. This function may only be called when
+ * auto-committing is disabled, otherwise it will fail. Therefore, a new
+ * transaction is implicitly started after committing the pending changes.
+ *
+ * @param string name of a savepoint to release
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ *
+ * @access public
+ */
+ function commit($savepoint = null)
+ {
+ $this->debug('Committing transaction/savepoint', __FUNCTION__, array('is_manip' => true, 'savepoint' => $savepoint));
+ if (!$this->in_transaction) {
+ return $this->raiseError(MDB2_ERROR_INVALID, null, null,
+ 'commit/release savepoint cannot be done changes are auto committed', __FUNCTION__);
+ }
+ if (null !== $savepoint) {
+ return MDB2_OK;
+ }
+
+ if ($this->uncommitedqueries) {
+ $connection = $this->getConnection();
+ if (PEAR::isError($connection)) {
+ return $connection;
+ }
+ if (!@OCICommit($connection)) {
+ return $this->raiseError(null, null, null,
+ 'Unable to commit transaction', __FUNCTION__);
+ }
+ $this->uncommitedqueries = 0;
+ }
+ $this->in_transaction = false;
+ return MDB2_OK;
+ }
+
+ // }}}
+ // {{{ rollback()
+
+ /**
+ * Cancel any database changes done during a transaction or since a specific
+ * savepoint that is in progress. This function may only be called when
+ * auto-committing is disabled, otherwise it will fail. Therefore, a new
+ * transaction is implicitly started after canceling the pending changes.
+ *
+ * @param string name of a savepoint to rollback to
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ *
+ * @access public
+ */
+ function rollback($savepoint = null)
+ {
+ $this->debug('Rolling back transaction/savepoint', __FUNCTION__, array('is_manip' => true, 'savepoint' => $savepoint));
+ if (!$this->in_transaction) {
+ return $this->raiseError(MDB2_ERROR_INVALID, null, null,
+ 'rollback cannot be done changes are auto committed', __FUNCTION__);
+ }
+ if (null !== $savepoint) {
+ $query = 'ROLLBACK TO SAVEPOINT '.$savepoint;
+ return $this->_doQuery($query, true);
+ }
+
+ if ($this->uncommitedqueries) {
+ $connection = $this->getConnection();
+ if (PEAR::isError($connection)) {
+ return $connection;
+ }
+ if (!@OCIRollback($connection)) {
+ return $this->raiseError(null, null, null,
+ 'Unable to rollback transaction', __FUNCTION__);
+ }
+ $this->uncommitedqueries = 0;
+ }
+ $this->in_transaction = false;
+ return MDB2_OK;
+ }
+
+ // }}}
+ // {{{ function setTransactionIsolation()
+
+ /**
+ * Set the transacton isolation level.
+ *
+ * @param string standard isolation level
+ * READ UNCOMMITTED (allows dirty reads)
+ * READ COMMITTED (prevents dirty reads)
+ * REPEATABLE READ (prevents nonrepeatable reads)
+ * SERIALIZABLE (prevents phantom reads)
+ * @param array some transaction options:
+ * 'wait' => 'WAIT' | 'NO WAIT'
+ * 'rw' => 'READ WRITE' | 'READ ONLY'
+ *
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ *
+ * @access public
+ * @since 2.1.1
+ */
+ function setTransactionIsolation($isolation, $options = array())
+ {
+ $this->debug('Setting transaction isolation level', __FUNCTION__, array('is_manip' => true));
+ switch ($isolation) {
+ case 'READ UNCOMMITTED':
+ $isolation = 'READ COMMITTED';
+ case 'READ COMMITTED':
+ case 'REPEATABLE READ':
+ $isolation = 'SERIALIZABLE';
+ case 'SERIALIZABLE':
+ break;
+ default:
+ return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
+ 'isolation level is not supported: '.$isolation, __FUNCTION__);
+ }
+
+ $query = "ALTER SESSION ISOLATION LEVEL $isolation";
+ return $this->_doQuery($query, true);
+ }
+
+ // }}}
+ // {{{ _doConnect()
+
+ /**
+ * do the grunt work of the connect
+ *
+ * @return connection on success or MDB2 Error Object on failure
+ * @access protected
+ */
+ function _doConnect($username, $password, $persistent = false)
+ {
+ if (!PEAR::loadExtension($this->phptype)) {
+ return $this->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+ 'extension '.$this->phptype.' is not compiled into PHP', __FUNCTION__);
+ }
+
+ $sid = '';
+
+ if (!empty($this->dsn['service']) && $this->dsn['hostspec']) {
+ //oci8://username:password@foo.example.com[:port]/?service=service
+ // service name is given, it is assumed that hostspec is really a
+ // hostname, we try to construct an oracle connection string from this
+ $port = $this->dsn['port'] ? $this->dsn['port'] : 1521;
+ $sid = sprintf("(DESCRIPTION=(ADDRESS_LIST=(ADDRESS=(PROTOCOL=TCP)
+ (HOST=%s) (PORT=%s)))
+ (CONNECT_DATA=(SERVICE_NAME=%s)))",
+ $this->dsn['hostspec'],
+ $port,
+ $this->dsn['service']
+ );
+ } elseif ($this->dsn['hostspec']) {
+ // we are given something like 'oci8://username:password@foo/'
+ // we have hostspec but not a service name, now we assume that
+ // hostspec is a tnsname defined in tnsnames.ora
+ $sid = $this->dsn['hostspec'];
+ if (isset($this->dsn['port']) && $this->dsn['port']) {
+ $sid = $sid.':'.$this->dsn['port'];
+ }
+ } else {
+ // oci://username:password@
+ // if everything fails, we have to rely on environment variables
+ // not before a check to 'emulate_database'
+ if (!$this->options['emulate_database'] && $this->database_name) {
+ $sid = $this->database_name;
+ } elseif (getenv('ORACLE_SID')) {
+ $sid = getenv('ORACLE_SID');
+ } elseif ($sid = getenv('TWO_TASK')) {
+ $sid = getenv('TWO_TASK');
+ } else {
+ return $this->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+ 'not a valid connection string or environment variable [ORACLE_SID|TWO_TASK] not set',
+ __FUNCTION__);
+ }
+ }
+
+ if (function_exists('oci_connect')) {
+ if ($this->_isNewLinkSet()) {
+ $connect_function = 'oci_new_connect';
+ } else {
+ $connect_function = $persistent ? 'oci_pconnect' : 'oci_connect';
+ }
+
+ $charset = empty($this->dsn['charset']) ? null : $this->dsn['charset'];
+ $session_mode = empty($this->dsn['session_mode']) ? null : $this->dsn['session_mode'];
+ $connection = @$connect_function($username, $password, $sid, $charset, $session_mode);
+ $error = @OCIError();
+ if (isset($error['code']) && $error['code'] == 12541) {
+ // Couldn't find TNS listener. Try direct connection.
+ $connection = @$connect_function($username, $password, null, $charset);
+ }
+ } else {
+ $connect_function = $persistent ? 'OCIPLogon' : 'OCILogon';
+ $connection = @$connect_function($username, $password, $sid);
+
+ if (!empty($this->dsn['charset'])) {
+ $result = $this->setCharset($this->dsn['charset'], $connection);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ }
+ }
+
+ if (!$connection) {
+ return $this->raiseError(MDB2_ERROR_CONNECT_FAILED, null, null,
+ 'unable to establish a connection', __FUNCTION__);
+ }
+
+ if (empty($this->dsn['disable_iso_date'])) {
+ $query = "ALTER SESSION SET NLS_DATE_FORMAT='YYYY-MM-DD HH24:MI:SS'";
+ $err =& $this->_doQuery($query, true, $connection);
+ if (PEAR::isError($err)) {
+ $this->disconnect(false);
+ return $err;
+ }
+ }
+
+ $query = "ALTER SESSION SET NLS_NUMERIC_CHARACTERS='. '";
+ $err =& $this->_doQuery($query, true, $connection);
+ if (PEAR::isError($err)) {
+ $this->disconnect(false);
+ return $err;
+ }
+
+ return $connection;
+ }
+
+ // }}}
+ // {{{ connect()
+
+ /**
+ * Connect to the database
+ *
+ * @return MDB2_OK on success, MDB2 Error Object on failure
+ * @access public
+ */
+ function connect()
+ {
+ if (is_resource($this->connection)) {
+ //if (count(array_diff($this->connected_dsn, $this->dsn)) == 0
+ if (MDB2::areEquals($this->connected_dsn, $this->dsn)
+ && $this->opened_persistent == $this->options['persistent']
+ ) {
+ return MDB2_OK;
+ }
+ $this->disconnect(false);
+ }
+
+ if ($this->database_name && $this->options['emulate_database']) {
+ $this->dsn['username'] = $this->options['database_name_prefix'].$this->database_name;
+ }
+
+ $connection = $this->_doConnect($this->dsn['username'],
+ $this->dsn['password'],
+ $this->options['persistent']);
+ if (PEAR::isError($connection)) {
+ return $connection;
+ }
+ $this->connection = $connection;
+ $this->connected_dsn = $this->dsn;
+ $this->connected_database_name = '';
+ $this->opened_persistent = $this->options['persistent'];
+ $this->dbsyntax = $this->dsn['dbsyntax'] ? $this->dsn['dbsyntax'] : $this->phptype;
+
+ if ($this->database_name) {
+ if ($this->database_name != $this->connected_database_name) {
+ $query = 'ALTER SESSION SET CURRENT_SCHEMA = "' .strtoupper($this->database_name) .'"';
+ $result = $this->_doQuery($query);
+ if (PEAR::isError($result)) {
+ $err = $this->raiseError($result, null, null,
+ 'Could not select the database: '.$this->database_name, __FUNCTION__);
+ return $err;
+ }
+ $this->connected_database_name = $this->database_name;
+ }
+ }
+
+ $this->as_keyword = ' ';
+ $server_info = $this->getServerVersion();
+ if (is_array($server_info)) {
+ if ($server_info['major'] >= '10') {
+ $this->as_keyword = ' AS ';
+ }
+ }
+ return MDB2_OK;
+ }
+
+ // }}}
+ // {{{ databaseExists()
+
+ /**
+ * check if given database name is exists?
+ *
+ * @param string $name name of the database that should be checked
+ *
+ * @return mixed true/false on success, a MDB2 error on failure
+ * @access public
+ */
+ function databaseExists($name)
+ {
+ $connection = $this->_doConnect($this->dsn['username'],
+ $this->dsn['password'],
+ $this->options['persistent']);
+ if (PEAR::isError($connection)) {
+ return $connection;
+ }
+
+ $query = 'ALTER SESSION SET CURRENT_SCHEMA = "' .strtoupper($name) .'"';
+ $result = $this->_doQuery($query, true, $connection, false);
+ if (PEAR::isError($result)) {
+ if (!MDB2::isError($result, MDB2_ERROR_NOT_FOUND)) {
+ return $result;
+ }
+ return false;
+ }
+ return true;
+ }
+
+ // }}}
+ // {{{ disconnect()
+
+ /**
+ * Log out and disconnect from the database.
+ *
+ * @param boolean $force if the disconnect should be forced even if the
+ * connection is opened persistently
+ * @return mixed true on success, false if not connected and error
+ * object on error
+ * @access public
+ */
+ function disconnect($force = true)
+ {
+ if (is_resource($this->connection)) {
+ if ($this->in_transaction) {
+ $dsn = $this->dsn;
+ $database_name = $this->database_name;
+ $persistent = $this->options['persistent'];
+ $this->dsn = $this->connected_dsn;
+ $this->database_name = $this->connected_database_name;
+ $this->options['persistent'] = $this->opened_persistent;
+ $this->rollback();
+ $this->dsn = $dsn;
+ $this->database_name = $database_name;
+ $this->options['persistent'] = $persistent;
+ }
+
+ if (!$this->opened_persistent || $force) {
+ $ok = false;
+ if (function_exists('oci_close')) {
+ $ok = @oci_close($this->connection);
+ } else {
+ $ok = @OCILogOff($this->connection);
+ }
+ if (!$ok) {
+ return $this->raiseError(MDB2_ERROR_DISCONNECT_FAILED,
+ null, null, null, __FUNCTION__);
+ }
+ }
+ $this->uncommitedqueries = 0;
+ } else {
+ return false;
+ }
+ return parent::disconnect($force);
+ }
+
+ // }}}
+ // {{{ standaloneQuery()
+
+ /**
+ * execute a query as DBA
+ *
+ * @param string $query the SQL query
+ * @param mixed $types array containing the types of the columns in
+ * the result set
+ * @param boolean $is_manip if the query is a manipulation query
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function standaloneQuery($query, $types = null, $is_manip = false)
+ {
+ $user = $this->options['DBA_username']? $this->options['DBA_username'] : $this->dsn['username'];
+ $pass = $this->options['DBA_password']? $this->options['DBA_password'] : $this->dsn['password'];
+ $connection = $this->_doConnect($user, $pass, $this->options['persistent']);
+ if (PEAR::isError($connection)) {
+ return $connection;
+ }
+
+ $offset = $this->offset;
+ $limit = $this->limit;
+ $this->offset = $this->limit = 0;
+ $query = $this->_modifyQuery($query, $is_manip, $limit, $offset);
+
+ $result = $this->_doQuery($query, $is_manip, $connection, false);
+ if (!PEAR::isError($result)) {
+ if ($is_manip) {
+ $result = $this->_affectedRows($connection, $result);
+ } else {
+ $result = $this->_wrapResult($result, $types, true, false, $limit, $offset);
+ }
+ }
+
+ @OCILogOff($connection);
+ return $result;
+ }
+
+ // }}}
+ // {{{ _modifyQuery()
+
+ /**
+ * Changes a query string for various DBMS specific reasons
+ *
+ * @param string $query query to modify
+ * @param boolean $is_manip if it is a DML query
+ * @param integer $limit limit the number of rows
+ * @param integer $offset start reading from given offset
+ * @return string modified query
+ * @access protected
+ */
+ function _modifyQuery($query, $is_manip, $limit, $offset)
+ {
+ if (preg_match('/^\s*SELECT/i', $query)) {
+ if (!preg_match('/\sFROM\s/i', $query)) {
+ $query.= " FROM dual";
+ }
+ if ($limit > 0) {
+ // taken from http://svn.ez.no/svn/ezcomponents/packages/Database
+ $max = $offset + $limit;
+ if ($offset > 0) {
+ $min = $offset + 1;
+ $query = "SELECT * FROM (SELECT a.*, ROWNUM mdb2rn FROM ($query) a WHERE ROWNUM <= $max) WHERE mdb2rn >= $min";
+ } else {
+ $query = "SELECT a.* FROM ($query) a WHERE ROWNUM <= $max";
+ }
+ }
+ }
+ return $query;
+ }
+
+ // }}}
+ // {{{ _doQuery()
+
+ /**
+ * Execute a query
+ * @param string $query query
+ * @param boolean $is_manip if the query is a manipulation query
+ * @param resource $connection
+ * @param string $database_name
+ * @return result or error object
+ * @access protected
+ */
+ function &_doQuery($query, $is_manip = false, $connection = null, $database_name = null)
+ {
+ $this->last_query = $query;
+ $result = $this->debug($query, 'query', array('is_manip' => $is_manip, 'when' => 'pre'));
+ if ($result) {
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ $query = $result;
+ }
+ if ($this->getOption('disable_query')) {
+ if ($is_manip) {
+ return 0;
+ }
+ return null;
+ }
+
+ if (null === $connection) {
+ $connection = $this->getConnection();
+ if (PEAR::isError($connection)) {
+ return $connection;
+ }
+ }
+
+ $query = str_replace("\r\n", "\n", $query); //for fixing end-of-line character in the PL/SQL in windows
+ $result = @OCIParse($connection, $query);
+ if (!$result) {
+ $err = $this->raiseError(null, null, null,
+ 'Could not create statement', __FUNCTION__);
+ return $err;
+ }
+
+ $mode = $this->in_transaction ? OCI_DEFAULT : OCI_COMMIT_ON_SUCCESS;
+ if (!@OCIExecute($result, $mode)) {
+ $err = $this->raiseError($result, null, null,
+ 'Could not execute statement', __FUNCTION__);
+ return $err;
+ }
+
+ if (is_numeric($this->options['result_prefetching'])) {
+ @ocisetprefetch($result, $this->options['result_prefetching']);
+ }
+
+ $this->debug($query, 'query', array('is_manip' => $is_manip, 'when' => 'post', 'result' => $result));
+ return $result;
+ }
+
+ // }}}
+ // {{{ _affectedRows()
+
+ /**
+ * Returns the number of rows affected
+ *
+ * @param resource $result
+ * @param resource $connection
+ * @return mixed MDB2 Error Object or the number of rows affected
+ * @access private
+ */
+ function _affectedRows($connection, $result = null)
+ {
+ if (null === $connection) {
+ $connection = $this->getConnection();
+ if (PEAR::isError($connection)) {
+ return $connection;
+ }
+ }
+ return @OCIRowCount($result);
+ }
+
+ // }}}
+ // {{{ getServerVersion()
+
+ /**
+ * return version information about the server
+ *
+ * @param bool $native determines if the raw version string should be returned
+ * @return mixed array/string with version information or MDB2 error object
+ * @access public
+ */
+ function getServerVersion($native = false)
+ {
+ $connection = $this->getConnection();
+ if (PEAR::isError($connection)) {
+ return $connection;
+ }
+ if ($this->connected_server_info) {
+ $server_info = $this->connected_server_info;
+ } else {
+ $server_info = @ociserverversion($connection);
+ }
+ if (!$server_info) {
+ return $this->raiseError(null, null, null,
+ 'Could not get server information', __FUNCTION__);
+ }
+ // cache server_info
+ $this->connected_server_info = $server_info;
+ if (!$native) {
+ if (!preg_match('/ (\d+)\.(\d+)\.(\d+)\.([\d\.]+) /', $server_info, $tmp)) {
+ return $this->raiseError(MDB2_ERROR_INVALID, null, null,
+ 'Could not parse version information:'.$server_info, __FUNCTION__);
+ }
+ $server_info = array(
+ 'major' => $tmp[1],
+ 'minor' => $tmp[2],
+ 'patch' => $tmp[3],
+ 'extra' => $tmp[4],
+ 'native' => $server_info,
+ );
+ }
+ return $server_info;
+ }
+
+ // }}}
+ // {{{ prepare()
+
+ /**
+ * Prepares a query for multiple execution with execute().
+ * With some database backends, this is emulated.
+ * prepare() requires a generic query as string like
+ * 'INSERT INTO numbers VALUES(?,?)' or
+ * 'INSERT INTO numbers VALUES(:foo,:bar)'.
+ * The ? and :name and are placeholders which can be set using
+ * bindParam() and the query can be sent off using the execute() method.
+ * The allowed format for :name can be set with the 'bindname_format' option.
+ *
+ * @param string $query the query to prepare
+ * @param mixed $types array that contains the types of the placeholders
+ * @param mixed $result_types array that contains the types of the columns in
+ * the result set or MDB2_PREPARE_RESULT, if set to
+ * MDB2_PREPARE_MANIP the query is handled as a manipulation query
+ * @param mixed $lobs key (field) value (parameter) pair for all lob placeholders
+ * @return mixed resource handle for the prepared query on success, a MDB2
+ * error on failure
+ * @access public
+ * @see bindParam, execute
+ */
+ function prepare($query, $types = null, $result_types = null, $lobs = array())
+ {
+ if ($this->options['emulate_prepared']) {
+ return parent::prepare($query, $types, $result_types, $lobs);
+ }
+ $is_manip = ($result_types === MDB2_PREPARE_MANIP);
+ $offset = $this->offset;
+ $limit = $this->limit;
+ $this->offset = $this->limit = 0;
+ $result = $this->debug($query, __FUNCTION__, array('is_manip' => $is_manip, 'when' => 'pre'));
+ if ($result) {
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ $query = $result;
+ }
+ $query = $this->_modifyQuery($query, $is_manip, $limit, $offset);
+ $placeholder_type_guess = $placeholder_type = null;
+ $question = '?';
+ $colon = ':';
+ $positions = array();
+ $position = 0;
+ $parameter = -1;
+ while ($position < strlen($query)) {
+ $q_position = strpos($query, $question, $position);
+ $c_position = strpos($query, $colon, $position);
+ if ($q_position && $c_position) {
+ $p_position = min($q_position, $c_position);
+ } elseif ($q_position) {
+ $p_position = $q_position;
+ } elseif ($c_position) {
+ $p_position = $c_position;
+ } else {
+ break;
+ }
+ if (null === $placeholder_type) {
+ $placeholder_type_guess = $query[$p_position];
+ }
+
+ $new_pos = $this->_skipDelimitedStrings($query, $position, $p_position);
+ if (PEAR::isError($new_pos)) {
+ return $new_pos;
+ }
+ if ($new_pos != $position) {
+ $position = $new_pos;
+ continue; //evaluate again starting from the new position
+ }
+
+ if ($query[$position] == $placeholder_type_guess) {
+ if (null === $placeholder_type) {
+ $placeholder_type = $query[$p_position];
+ $question = $colon = $placeholder_type;
+ if (!empty($types) && is_array($types)) {
+ if ($placeholder_type == ':') {
+ if (is_int(key($types))) {
+ $types_tmp = $types;
+ $types = array();
+ $count = -1;
+ }
+ } else {
+ $types = array_values($types);
+ }
+ }
+ }
+ if ($placeholder_type == ':') {
+ $regexp = '/^.{'.($position+1).'}('.$this->options['bindname_format'].').*$/s';
+ $parameter = preg_replace($regexp, '\\1', $query);
+ if ($parameter === '') {
+ $err = $this->raiseError(MDB2_ERROR_SYNTAX, null, null,
+ 'named parameter name must match "bindname_format" option', __FUNCTION__);
+ return $err;
+ }
+ // use parameter name in type array
+ if (isset($count) && isset($types_tmp[++$count])) {
+ $types[$parameter] = $types_tmp[$count];
+ }
+ $length = strlen($parameter) + 1;
+ } else {
+ ++$parameter;
+ //$length = strlen($parameter);
+ $length = 1; // strlen('?')
+ }
+ if (!in_array($parameter, $positions)) {
+ $positions[] = $parameter;
+ }
+ if (isset($types[$parameter])
+ && ($types[$parameter] == 'clob' || $types[$parameter] == 'blob')
+ ) {
+ if (!isset($lobs[$parameter])) {
+ $lobs[$parameter] = $parameter;
+ }
+ $value = $this->quote(true, $types[$parameter]);
+ if (PEAR::isError($value)) {
+ return $value;
+ }
+ $query = substr_replace($query, $value, $p_position, $length);
+ $position = $p_position + strlen($value) - 1;
+ } elseif ($placeholder_type == '?') {
+ $query = substr_replace($query, ':'.$parameter, $p_position, 1);
+ $position = $p_position + $length;
+ } else {
+ $position = $p_position + 1;
+ }
+ } else {
+ $position = $p_position;
+ }
+ }
+ if (is_array($lobs)) {
+ $columns = $variables = '';
+ foreach ($lobs as $parameter => $field) {
+ $columns.= ($columns ? ', ' : ' RETURNING ').$field;
+ $variables.= ($variables ? ', ' : ' INTO ').':'.$parameter;
+ }
+ $query.= $columns.$variables;
+ }
+ $connection = $this->getConnection();
+ if (PEAR::isError($connection)) {
+ return $connection;
+ }
+ $statement = @OCIParse($connection, $query);
+ if (!$statement) {
+ $err = $this->raiseError(null, null, null,
+ 'Could not create statement', __FUNCTION__);
+ return $err;
+ }
+
+ $class_name = 'MDB2_Statement_'.$this->phptype;
+ $obj = new $class_name($this, $statement, $positions, $query, $types, $result_types, $is_manip, $limit, $offset);
+ $this->debug($query, __FUNCTION__, array('is_manip' => $is_manip, 'when' => 'post', 'result' => $obj));
+ return $obj;
+ }
+
+ // }}}
+ // {{{ nextID()
+
+ /**
+ * Returns the next free id of a sequence
+ *
+ * @param string $seq_name name of the sequence
+ * @param boolean $ondemand when true the sequence is
+ * automatic created, if it
+ * not exists
+ * @return mixed MDB2 Error Object or id
+ * @access public
+ */
+ function nextID($seq_name, $ondemand = true)
+ {
+ $sequence_name = $this->quoteIdentifier($this->getSequenceName($seq_name), true);
+ $query = "SELECT $sequence_name.nextval FROM DUAL";
+ $this->pushErrorHandling(PEAR_ERROR_RETURN);
+ $this->expectError(MDB2_ERROR_NOSUCHTABLE);
+ $result = $this->queryOne($query, 'integer');
+ $this->popExpect();
+ $this->popErrorHandling();
+ if (PEAR::isError($result)) {
+ if ($ondemand && $result->getCode() == MDB2_ERROR_NOSUCHTABLE) {
+ $this->loadModule('Manager', null, true);
+ $result = $this->manager->createSequence($seq_name);
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+ return $this->nextId($seq_name, false);
+ }
+ }
+ return $result;
+ }
+
+ // }}}
+ // {{{ lastInsertID()
+
+ /**
+ * Returns the autoincrement ID if supported or $id or fetches the current
+ * ID in a sequence called: $table.(empty($field) ? '' : '_'.$field)
+ *
+ * @param string $table name of the table into which a new row was inserted
+ * @param string $field name of the field into which a new row was inserted
+ * @return mixed MDB2 Error Object or id
+ * @access public
+ */
+ function lastInsertID($table = null, $field = null)
+ {
+ $old_seq = $table.(empty($field) ? '' : '_'.$field);
+ $sequence_name = $this->quoteIdentifier($this->getSequenceName($table), true);
+ $result = $this->queryOne("SELECT $sequence_name.currval", 'integer');
+ if (PEAR::isError($result)) {
+ $sequence_name = $this->quoteIdentifier($this->getSequenceName($old_seq), true);
+ $result = $this->queryOne("SELECT $sequence_name.currval", 'integer');
+ }
+
+ return $result;
+ }
+
+ // }}}
+ // {{{ currId()
+
+ /**
+ * Returns the current id of a sequence
+ *
+ * @param string $seq_name name of the sequence
+ * @return mixed MDB2_Error or id
+ * @access public
+ */
+ function currId($seq_name)
+ {
+ $sequence_name = $this->getSequenceName($seq_name);
+ $query = 'SELECT (last_number-1) FROM all_sequences';
+ $query.= ' WHERE sequence_name='.$this->quote($sequence_name, 'text');
+ $query.= ' OR sequence_name='.$this->quote(strtoupper($sequence_name), 'text');
+ return $this->queryOne($query, 'integer');
+ }
+}
+
+/**
+ * MDB2 OCI8 result driver
+ *
+ * @package MDB2
+ * @category Database
+ * @author Lukas Smith <smith@pooteeweet.org>
+ */
+class MDB2_Result_oci8 extends MDB2_Result_Common
+{
+ // }}}
+ // {{{ fetchRow()
+
+ /**
+ * Fetch a row and insert the data into an existing array.
+ *
+ * @param int $fetchmode how the array data should be indexed
+ * @param int $rownum number of the row where the data can be found
+ * @return int data array on success, a MDB2 error on failure
+ * @access public
+ */
+ function fetchRow($fetchmode = MDB2_FETCHMODE_DEFAULT, $rownum = null)
+ {
+ if (null !== $rownum) {
+ $seek = $this->seek($rownum);
+ if (PEAR::isError($seek)) {
+ return $seek;
+ }
+ }
+ if ($fetchmode == MDB2_FETCHMODE_DEFAULT) {
+ $fetchmode = $this->db->fetchmode;
+ }
+ if ($fetchmode & MDB2_FETCHMODE_ASSOC) {
+ @OCIFetchInto($this->result, $row, OCI_ASSOC+OCI_RETURN_NULLS);
+ if (is_array($row)
+ && $this->db->options['portability'] & MDB2_PORTABILITY_FIX_CASE
+ ) {
+ $row = array_change_key_case($row, $this->db->options['field_case']);
+ }
+ } else {
+ @OCIFetchInto($this->result, $row, OCI_RETURN_NULLS);
+ }
+ if (!$row) {
+ if (false === $this->result) {
+ $err = $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
+ 'resultset has already been freed', __FUNCTION__);
+ return $err;
+ }
+ return null;
+ }
+ // remove additional column at the end
+ if ($this->offset > 0) {
+ array_pop($row);
+ }
+ $mode = 0;
+ $rtrim = false;
+ if ($this->db->options['portability'] & MDB2_PORTABILITY_RTRIM) {
+ if (empty($this->types)) {
+ $mode += MDB2_PORTABILITY_RTRIM;
+ } else {
+ $rtrim = true;
+ }
+ }
+ if ($mode) {
+ $this->db->_fixResultArrayValues($row, $mode);
+ }
+ if (!empty($this->types)) {
+ $row = $this->db->datatype->convertResultRow($this->types, $row, $rtrim);
+ }
+ if (!empty($this->values)) {
+ $this->_assignBindColumns($row);
+ }
+ if ($fetchmode === MDB2_FETCHMODE_OBJECT) {
+ $object_class = $this->db->options['fetch_class'];
+ if ($object_class == 'stdClass') {
+ $row = (object) $row;
+ } else {
+ $rowObj = new $object_class($row);
+ $row = $rowObj;
+ }
+ }
+ ++$this->rownum;
+ return $row;
+ }
+
+ // }}}
+ // {{{ _getColumnNames()
+
+ /**
+ * Retrieve the names of columns returned by the DBMS in a query result.
+ *
+ * @return mixed Array variable that holds the names of columns as keys
+ * or an MDB2 error on failure.
+ * Some DBMS may not return any columns when the result set
+ * does not contain any rows.
+ * @access private
+ */
+ function _getColumnNames()
+ {
+ $columns = array();
+ $numcols = $this->numCols();
+ if (PEAR::isError($numcols)) {
+ return $numcols;
+ }
+ for ($column = 0; $column < $numcols; $column++) {
+ $column_name = @OCIColumnName($this->result, $column + 1);
+ $columns[$column_name] = $column;
+ }
+ if ($this->db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
+ $columns = array_change_key_case($columns, $this->db->options['field_case']);
+ }
+ return $columns;
+ }
+
+ // }}}
+ // {{{ numCols()
+
+ /**
+ * Count the number of columns returned by the DBMS in a query result.
+ *
+ * @return mixed integer value with the number of columns, a MDB2 error
+ * on failure
+ * @access public
+ */
+ function numCols()
+ {
+ $cols = @OCINumCols($this->result);
+ if (null === $cols) {
+ if (false === $this->result) {
+ return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
+ 'resultset has already been freed', __FUNCTION__);
+ }
+ if (null === $this->result) {
+ return count($this->types);
+ }
+ return $this->db->raiseError(null, null, null,
+ 'Could not get column count', __FUNCTION__);
+ }
+ if ($this->offset > 0) {
+ --$cols;
+ }
+ return $cols;
+ }
+
+ // }}}
+ // {{{ free()
+
+ /**
+ * Free the internal resources associated with $result.
+ *
+ * @return boolean true on success, false if $result is invalid
+ * @access public
+ */
+ function free()
+ {
+ if (is_resource($this->result) && $this->db->connection) {
+ $free = @OCIFreeCursor($this->result);
+ if (false === $free) {
+ return $this->db->raiseError(null, null, null,
+ 'Could not free result', __FUNCTION__);
+ }
+ }
+ $this->result = false;
+ return MDB2_OK;
+
+ }
+}
+
+/**
+ * MDB2 OCI8 buffered result driver
+ *
+ * @package MDB2
+ * @category Database
+ * @author Lukas Smith <smith@pooteeweet.org>
+ */
+class MDB2_BufferedResult_oci8 extends MDB2_Result_oci8
+{
+ var $buffer;
+ var $buffer_rownum = - 1;
+
+ // {{{ _fillBuffer()
+
+ /**
+ * Fill the row buffer
+ *
+ * @param int $rownum row number upto which the buffer should be filled
+ if the row number is null all rows are ready into the buffer
+ * @return boolean true on success, false on failure
+ * @access protected
+ */
+ function _fillBuffer($rownum = null)
+ {
+ if (isset($this->buffer) && is_array($this->buffer)) {
+ if (null === $rownum) {
+ if (!end($this->buffer)) {
+ return false;
+ }
+ } elseif (isset($this->buffer[$rownum])) {
+ return (bool)$this->buffer[$rownum];
+ }
+ }
+
+ $row = true;
+ while (((null === $rownum) || $this->buffer_rownum < $rownum)
+ && ($row = @OCIFetchInto($this->result, $buffer, OCI_RETURN_NULLS))
+ ) {
+ ++$this->buffer_rownum;
+ // remove additional column at the end
+ if ($this->offset > 0) {
+ array_pop($buffer);
+ }
+ if (empty($this->types)) {
+ foreach (array_keys($buffer) as $key) {
+ if (is_a($buffer[$key], 'oci-lob')) {
+ $buffer[$key] = $buffer[$key]->load();
+ }
+ }
+ }
+ $this->buffer[$this->buffer_rownum] = $buffer;
+ }
+
+ if (!$row) {
+ ++$this->buffer_rownum;
+ $this->buffer[$this->buffer_rownum] = false;
+ return false;
+ }
+ return true;
+ }
+
+ // }}}
+ // {{{ fetchRow()
+
+ /**
+ * Fetch a row and insert the data into an existing array.
+ *
+ * @param int $fetchmode how the array data should be indexed
+ * @param int $rownum number of the row where the data can be found
+ * @return int data array on success, a MDB2 error on failure
+ * @access public
+ */
+ function fetchRow($fetchmode = MDB2_FETCHMODE_DEFAULT, $rownum = null)
+ {
+ if (false === $this->result) {
+ $err = $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
+ 'resultset has already been freed', __FUNCTION__);
+ return $err;
+ }
+ if (null === $this->result) {
+ return null;
+ }
+ if (null !== $rownum) {
+ $seek = $this->seek($rownum);
+ if (PEAR::isError($seek)) {
+ return $seek;
+ }
+ }
+ $target_rownum = $this->rownum + 1;
+ if ($fetchmode == MDB2_FETCHMODE_DEFAULT) {
+ $fetchmode = $this->db->fetchmode;
+ }
+ if (!$this->_fillBuffer($target_rownum)) {
+ return null;
+ }
+ $row = $this->buffer[$target_rownum];
+ if ($fetchmode & MDB2_FETCHMODE_ASSOC) {
+ $column_names = $this->getColumnNames();
+ foreach ($column_names as $name => $i) {
+ $column_names[$name] = $row[$i];
+ }
+ $row = $column_names;
+ }
+ $mode = 0;
+ $rtrim = false;
+ if ($this->db->options['portability'] & MDB2_PORTABILITY_RTRIM) {
+ if (empty($this->types)) {
+ $mode += MDB2_PORTABILITY_RTRIM;
+ } else {
+ $rtrim = true;
+ }
+ }
+ if ($mode) {
+ $this->db->_fixResultArrayValues($row, $mode);
+ }
+ if (!empty($this->types)) {
+ $row = $this->db->datatype->convertResultRow($this->types, $row, $rtrim);
+ }
+ if (!empty($this->values)) {
+ $this->_assignBindColumns($row);
+ }
+ if ($fetchmode === MDB2_FETCHMODE_OBJECT) {
+ $object_class = $this->db->options['fetch_class'];
+ if ($object_class == 'stdClass') {
+ $row = (object) $row;
+ } else {
+ $rowObj = new $object_class($row);
+ $row = $rowObj;
+ }
+ }
+ ++$this->rownum;
+ return $row;
+ }
+
+ // }}}
+ // {{{ seek()
+
+ /**
+ * Seek to a specific row in a result set
+ *
+ * @param int $rownum number of the row where the data can be found
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function seek($rownum = 0)
+ {
+ if (false === $this->result) {
+ return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
+ 'resultset has already been freed', __FUNCTION__);
+ }
+ $this->rownum = $rownum - 1;
+ return MDB2_OK;
+ }
+
+ // }}}
+ // {{{ valid()
+
+ /**
+ * Check if the end of the result set has been reached
+ *
+ * @return mixed true or false on sucess, a MDB2 error on failure
+ * @access public
+ */
+ function valid()
+ {
+ if (false === $this->result) {
+ return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
+ 'resultset has already been freed', __FUNCTION__);
+ }
+ if (null === $this->result) {
+ return true;
+ }
+ if ($this->_fillBuffer($this->rownum + 1)) {
+ return true;
+ }
+ return false;
+ }
+
+ // }}}
+ // {{{ numRows()
+
+ /**
+ * Returns the number of rows in a result object
+ *
+ * @return mixed MDB2 Error Object or the number of rows
+ * @access public
+ */
+ function numRows()
+ {
+ if (false === $this->result) {
+ return $this->db->raiseError(MDB2_ERROR_NEED_MORE_DATA, null, null,
+ 'resultset has already been freed', __FUNCTION__);
+ }
+ if (null === $this->result) {
+ return 0;
+ }
+ $this->_fillBuffer();
+ return $this->buffer_rownum;
+ }
+
+ // }}}
+ // {{{ free()
+
+ /**
+ * Free the internal resources associated with $result.
+ *
+ * @return boolean true on success, false if $result is invalid
+ * @access public
+ */
+ function free()
+ {
+ $this->buffer = null;
+ $this->buffer_rownum = null;
+ return parent::free();
+ }
+}
+
+/**
+ * MDB2 OCI8 statement driver
+ *
+ * @package MDB2
+ * @category Database
+ * @author Lukas Smith <smith@pooteeweet.org>
+ */
+class MDB2_Statement_oci8 extends MDB2_Statement_Common
+{
+ // {{{ Variables (Properties)
+
+ var $type_maxlengths = array();
+
+ // }}}
+ // {{{ bindParam()
+
+ /**
+ * Bind a variable to a parameter of a prepared query.
+ *
+ * @param int $parameter the order number of the parameter in the query
+ * statement. The order number of the first parameter is 1.
+ * @param mixed &$value variable that is meant to be bound to specified
+ * parameter. The type of the value depends on the $type argument.
+ * @param string $type specifies the type of the field
+ * @param int $maxlength specifies the maximum length of the field; if set to -1, the
+ * current length of $value is used
+ *
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ *
+ * @access public
+ */
+ function bindParam($parameter, &$value, $type = null, $maxlength = -1)
+ {
+ if (!is_numeric($parameter)) {
+ $parameter = preg_replace('/^:(.*)$/', '\\1', $parameter);
+ }
+ if (MDB2_OK === ($ret = parent::bindParam($parameter, $value, $type))) {
+ $this->type_maxlengths[$parameter] = $maxlength;
+ }
+
+ return $ret;
+ }
+
+ // }}}
+ // {{{ _execute()
+
+ /**
+ * Execute a prepared query statement helper method.
+ *
+ * @param mixed $result_class string which specifies which result class to use
+ * @param mixed $result_wrap_class string which specifies which class to wrap results in
+ *
+ * @return mixed MDB2_Result or integer (affected rows) on success,
+ * a MDB2 error on failure
+ * @access private
+ */
+ function _execute($result_class = true, $result_wrap_class = false)
+ {
+ if (null === $this->statement) {
+ return parent::_execute($result_class, $result_wrap_class);
+ }
+ $this->db->last_query = $this->query;
+ $this->db->debug($this->query, 'execute', array('is_manip' => $this->is_manip, 'when' => 'pre', 'parameters' => $this->values));
+ if ($this->db->getOption('disable_query')) {
+ $result = $this->is_manip ? 0 : null;
+ return $result;
+ }
+
+ $connection = $this->db->getConnection();
+ if (PEAR::isError($connection)) {
+ return $connection;
+ }
+
+ $result = MDB2_OK;
+ $lobs = $quoted_values = array();
+ $i = 0;
+ foreach ($this->positions as $parameter) {
+ if (!array_key_exists($parameter, $this->values)) {
+ return $this->db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
+ 'Unable to bind to missing placeholder: '.$parameter, __FUNCTION__);
+ }
+ $type = array_key_exists($parameter, $this->types) ? $this->types[$parameter] : null;
+ if ($type == 'clob' || $type == 'blob') {
+ $lobs[$i]['file'] = false;
+ if (is_resource($this->values[$parameter])) {
+ $fp = $this->values[$parameter];
+ $this->values[$parameter] = '';
+ while (!feof($fp)) {
+ $this->values[$parameter] .= fread($fp, 8192);
+ }
+ } elseif (is_a($this->values[$parameter], 'OCI-Lob')) {
+ //do nothing
+ } elseif ($this->db->getOption('lob_allow_url_include')
+ && preg_match('/^(\w+:\/\/)(.*)$/', $this->values[$parameter], $match)
+ ) {
+ $lobs[$i]['file'] = true;
+ if ($match[1] == 'file://') {
+ $this->values[$parameter] = $match[2];
+ }
+ }
+ $lobs[$i]['value'] = $this->values[$parameter];
+ $lobs[$i]['descriptor'] =& $this->values[$parameter];
+ // Test to see if descriptor has already been created for this
+ // variable (i.e. if it has been bound more than once):
+ if (!is_a($this->values[$parameter], 'OCI-Lob')) {
+ $this->values[$parameter] = @OCINewDescriptor($connection, OCI_D_LOB);
+ if (false === $this->values[$parameter]) {
+ $result = $this->db->raiseError(null, null, null,
+ 'Unable to create descriptor for LOB in parameter: '.$parameter, __FUNCTION__);
+ break;
+ }
+ }
+ $lob_type = ($type == 'blob' ? OCI_B_BLOB : OCI_B_CLOB);
+ if (!@OCIBindByName($this->statement, ':'.$parameter, $lobs[$i]['descriptor'], -1, $lob_type)) {
+ $result = $this->db->raiseError($this->statement, null, null,
+ 'could not bind LOB parameter', __FUNCTION__);
+ break;
+ }
+ } else if ($type == OCI_B_BFILE) {
+ // Test to see if descriptor has already been created for this
+ // variable (i.e. if it has been bound more than once):
+ if (!is_a($this->values[$parameter], "OCI-Lob")) {
+ $this->values[$parameter] = @OCINewDescriptor($connection, OCI_D_FILE);
+ if (false === $this->values[$parameter]) {
+ $result = $this->db->raiseError(null, null, null,
+ 'Unable to create descriptor for BFILE in parameter: '.$parameter, __FUNCTION__);
+ break;
+ }
+ }
+ if (!@OCIBindByName($this->statement, ':'.$parameter, $this->values[$parameter], -1, $type)) {
+ $result = $this->db->raiseError($this->statement, null, null,
+ 'Could not bind BFILE parameter', __FUNCTION__);
+ break;
+ }
+ } else if ($type == OCI_B_ROWID) {
+ // Test to see if descriptor has already been created for this
+ // variable (i.e. if it has been bound more than once):
+ if (!is_a($this->values[$parameter], "OCI-Lob")) {
+ $this->values[$parameter] = @OCINewDescriptor($connection, OCI_D_ROWID);
+ if (false === $this->values[$parameter]) {
+ $result = $this->db->raiseError(null, null, null,
+ 'Unable to create descriptor for ROWID in parameter: '.$parameter, __FUNCTION__);
+ break;
+ }
+ }
+ if (!@OCIBindByName($this->statement, ':'.$parameter, $this->values[$parameter], -1, $type)) {
+ $result = $this->db->raiseError($this->statement, null, null,
+ 'Could not bind ROWID parameter', __FUNCTION__);
+ break;
+ }
+ } else if ($type == OCI_B_CURSOR) {
+ // Test to see if cursor has already been allocated for this
+ // variable (i.e. if it has been bound more than once):
+ if (!is_resource($this->values[$parameter]) || !get_resource_type($this->values[$parameter]) == "oci8 statement") {
+ $this->values[$parameter] = @OCINewCursor($connection);
+ if (false === $this->values[$parameter]) {
+ $result = $this->db->raiseError(null, null, null,
+ 'Unable to allocate cursor for parameter: '.$parameter, __FUNCTION__);
+ break;
+ }
+ }
+ if (!@OCIBindByName($this->statement, ':'.$parameter, $this->values[$parameter], -1, $type)) {
+ $result = $this->db->raiseError($this->statement, null, null,
+ 'Could not bind CURSOR parameter', __FUNCTION__);
+ break;
+ }
+ } else {
+ $maxlength = array_key_exists($parameter, $this->type_maxlengths) ? $this->type_maxlengths[$parameter] : -1;
+ $this->values[$parameter] = $this->db->quote($this->values[$parameter], $type, false);
+ $quoted_values[$i] =& $this->values[$parameter];
+ if (PEAR::isError($quoted_values[$i])) {
+ return $quoted_values[$i];
+ }
+ if (!@OCIBindByName($this->statement, ':'.$parameter, $quoted_values[$i], $maxlength)) {
+ $result = $this->db->raiseError($this->statement, null, null,
+ 'could not bind non-abstract parameter', __FUNCTION__);
+ break;
+ }
+ }
+ ++$i;
+ }
+
+ $lob_keys = array_keys($lobs);
+ if (!PEAR::isError($result)) {
+ $mode = (!empty($lobs) || $this->db->in_transaction) ? OCI_DEFAULT : OCI_COMMIT_ON_SUCCESS;
+ if (!@OCIExecute($this->statement, $mode)) {
+ $err = $this->db->raiseError($this->statement, null, null,
+ 'could not execute statement', __FUNCTION__);
+ return $err;
+ }
+
+ if (!empty($lobs)) {
+ foreach ($lob_keys as $i) {
+ if ((null !== $lobs[$i]['value']) && $lobs[$i]['value'] !== '') {
+ if (is_object($lobs[$i]['value'])) {
+ // Probably a NULL LOB
+ // @see http://bugs.php.net/bug.php?id=27485
+ continue;
+ }
+ if ($lobs[$i]['file']) {
+ $result = $lobs[$i]['descriptor']->savefile($lobs[$i]['value']);
+ } else {
+ $result = $lobs[$i]['descriptor']->save($lobs[$i]['value']);
+ }
+ if (!$result) {
+ $result = $this->db->raiseError(null, null, null,
+ 'Unable to save descriptor contents', __FUNCTION__);
+ break;
+ }
+ }
+ }
+
+ if (!PEAR::isError($result)) {
+ if (!$this->db->in_transaction) {
+ if (!@OCICommit($connection)) {
+ $result = $this->db->raiseError(null, null, null,
+ 'Unable to commit transaction', __FUNCTION__);
+ }
+ } else {
+ ++$this->db->uncommitedqueries;
+ }
+ }
+ }
+ }
+
+ if (PEAR::isError($result)) {
+ return $result;
+ }
+
+ if ($this->is_manip) {
+ $affected_rows = $this->db->_affectedRows($connection, $this->statement);
+ return $affected_rows;
+ }
+
+ $result = $this->db->_wrapResult($this->statement, $this->result_types,
+ $result_class, $result_wrap_class, $this->limit, $this->offset);
+ $this->db->debug($this->query, 'execute', array('is_manip' => $this->is_manip, 'when' => 'post', 'result' => $result));
+ return $result;
+ }
+
+ // }}}
+ // {{{ free()
+
+ /**
+ * Release resources allocated for the specified prepared query.
+ *
+ * @return mixed MDB2_OK on success, a MDB2 error on failure
+ * @access public
+ */
+ function free()
+ {
+ if (null === $this->positions) {
+ return $this->db->raiseError(MDB2_ERROR, null, null,
+ 'Prepared statement has already been freed', __FUNCTION__);
+ }
+ $result = MDB2_OK;
+
+ if ((null !== $this->statement) && !@OCIFreeStatement($this->statement)) {
+ $result = $this->db->raiseError(null, null, null,
+ 'Could not free statement', __FUNCTION__);
+ }
+
+ parent::free();
+ return $result;
+ }
+}
+?> \ No newline at end of file