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<?php
/**
* @author Joas Schilling <nickvergessen@owncloud.com>
* @author Robin Appelman <icewind@owncloud.com>
* @author Thomas Müller <thomas.mueller@tmit.eu>
*
* @copyright Copyright (c) 2016, ownCloud, Inc.
* @license AGPL-3.0
*
* This code is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License, version 3,
* along with this program. If not, see <http://www.gnu.org/licenses/>
*
*/
namespace OC\DB\QueryBuilder\ExpressionBuilder;
use OC\DB\QueryBuilder\QueryFunction;
use OCP\DB\QueryBuilder\ILiteral;
use OCP\DB\QueryBuilder\IParameter;
use OCP\DB\QueryBuilder\IQueryBuilder;
use OCP\DB\QueryBuilder\IQueryFunction;
class OCIExpressionBuilder extends ExpressionBuilder {
/**
* @param mixed $column
* @param mixed|null $type
* @return array|IQueryFunction|string
*/
protected function prepareColumn($column, $type) {
if ($type === IQueryBuilder::PARAM_STR && !is_array($column) && !($column instanceof IParameter) && !($column instanceof ILiteral)) {
$column = $this->castColumn($column, $type);
} else {
$column = $this->helper->quoteColumnNames($column);
}
return $column;
}
/**
* @inheritdoc
*/
public function comparison($x, $operator, $y, $type = null) {
$x = $this->prepareColumn($x, $type);
$y = $this->prepareColumn($y, $type);
return $this->expressionBuilder->comparison($x, $operator, $y);
}
/**
* @inheritdoc
*/
public function eq($x, $y, $type = null) {
$x = $this->prepareColumn($x, $type);
$y = $this->prepareColumn($y, $type);
return $this->expressionBuilder->eq($x, $y);
}
/**
* @inheritdoc
*/
public function neq($x, $y, $type = null) {
$x = $this->prepareColumn($x, $type);
$y = $this->prepareColumn($y, $type);
return $this->expressionBuilder->neq($x, $y);
}
/**
* @inheritdoc
*/
public function lt($x, $y, $type = null) {
$x = $this->prepareColumn($x, $type);
$y = $this->prepareColumn($y, $type);
return $this->expressionBuilder->lt($x, $y);
}
/**
* @inheritdoc
*/
public function lte($x, $y, $type = null) {
$x = $this->prepareColumn($x, $type);
$y = $this->prepareColumn($y, $type);
return $this->expressionBuilder->lte($x, $y);
}
/**
* @inheritdoc
*/
public function gt($x, $y, $type = null) {
$x = $this->prepareColumn($x, $type);
$y = $this->prepareColumn($y, $type);
return $this->expressionBuilder->gt($x, $y);
}
/**
* @inheritdoc
*/
public function gte($x, $y, $type = null) {
$x = $this->prepareColumn($x, $type);
$y = $this->prepareColumn($y, $type);
return $this->expressionBuilder->gte($x, $y);
}
/**
* @inheritdoc
*/
public function in($x, $y, $type = null) {
$x = $this->prepareColumn($x, $type);
$y = $this->prepareColumn($y, $type);
return $this->expressionBuilder->in($x, $y);
}
/**
* @inheritdoc
*/
public function notIn($x, $y, $type = null) {
$x = $this->prepareColumn($x, $type);
$y = $this->prepareColumn($y, $type);
return $this->expressionBuilder->notIn($x, $y);
}
/**
* Returns a IQueryFunction that casts the column to the given type
*
* @param string $column
* @param mixed $type One of IQueryBuilder::PARAM_*
* @return IQueryFunction
*/
public function castColumn($column, $type) {
if ($type === IQueryBuilder::PARAM_STR) {
$column = $this->helper->quoteColumnName($column);
return new QueryFunction('to_char(' . $column . ')');
}
return parent::castColumn($column, $type);
}
/**
* @inheritdoc
*/
public function iLike($x, $y, $type = null) {
$x = $this->helper->quoteColumnName($x);
$y = $this->helper->quoteColumnName($y);
return new QueryFunction('REGEXP_LIKE('.$x.', \'^\' || REPLACE('.$y.', \'%\', \'.*\') || \'$\', \'i\')');
}
}
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