diff options
Diffstat (limited to 'vendor/github.com/go-xorm/xorm/mssql_dialect.go')
-rw-r--r-- | vendor/github.com/go-xorm/xorm/mssql_dialect.go | 1056 |
1 files changed, 528 insertions, 528 deletions
diff --git a/vendor/github.com/go-xorm/xorm/mssql_dialect.go b/vendor/github.com/go-xorm/xorm/mssql_dialect.go index 0cfa93bf56..e9bda1fd5b 100644 --- a/vendor/github.com/go-xorm/xorm/mssql_dialect.go +++ b/vendor/github.com/go-xorm/xorm/mssql_dialect.go @@ -1,528 +1,528 @@ -// Copyright 2015 The Xorm Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package xorm
-
-import (
- "fmt"
- "strconv"
- "strings"
-
- "github.com/go-xorm/core"
-)
-
-var (
- mssqlReservedWords = map[string]bool{
- "ADD": true,
- "EXTERNAL": true,
- "PROCEDURE": true,
- "ALL": true,
- "FETCH": true,
- "PUBLIC": true,
- "ALTER": true,
- "FILE": true,
- "RAISERROR": true,
- "AND": true,
- "FILLFACTOR": true,
- "READ": true,
- "ANY": true,
- "FOR": true,
- "READTEXT": true,
- "AS": true,
- "FOREIGN": true,
- "RECONFIGURE": true,
- "ASC": true,
- "FREETEXT": true,
- "REFERENCES": true,
- "AUTHORIZATION": true,
- "FREETEXTTABLE": true,
- "REPLICATION": true,
- "BACKUP": true,
- "FROM": true,
- "RESTORE": true,
- "BEGIN": true,
- "FULL": true,
- "RESTRICT": true,
- "BETWEEN": true,
- "FUNCTION": true,
- "RETURN": true,
- "BREAK": true,
- "GOTO": true,
- "REVERT": true,
- "BROWSE": true,
- "GRANT": true,
- "REVOKE": true,
- "BULK": true,
- "GROUP": true,
- "RIGHT": true,
- "BY": true,
- "HAVING": true,
- "ROLLBACK": true,
- "CASCADE": true,
- "HOLDLOCK": true,
- "ROWCOUNT": true,
- "CASE": true,
- "IDENTITY": true,
- "ROWGUIDCOL": true,
- "CHECK": true,
- "IDENTITY_INSERT": true,
- "RULE": true,
- "CHECKPOINT": true,
- "IDENTITYCOL": true,
- "SAVE": true,
- "CLOSE": true,
- "IF": true,
- "SCHEMA": true,
- "CLUSTERED": true,
- "IN": true,
- "SECURITYAUDIT": true,
- "COALESCE": true,
- "INDEX": true,
- "SELECT": true,
- "COLLATE": true,
- "INNER": true,
- "SEMANTICKEYPHRASETABLE": true,
- "COLUMN": true,
- "INSERT": true,
- "SEMANTICSIMILARITYDETAILSTABLE": true,
- "COMMIT": true,
- "INTERSECT": true,
- "SEMANTICSIMILARITYTABLE": true,
- "COMPUTE": true,
- "INTO": true,
- "SESSION_USER": true,
- "CONSTRAINT": true,
- "IS": true,
- "SET": true,
- "CONTAINS": true,
- "JOIN": true,
- "SETUSER": true,
- "CONTAINSTABLE": true,
- "KEY": true,
- "SHUTDOWN": true,
- "CONTINUE": true,
- "KILL": true,
- "SOME": true,
- "CONVERT": true,
- "LEFT": true,
- "STATISTICS": true,
- "CREATE": true,
- "LIKE": true,
- "SYSTEM_USER": true,
- "CROSS": true,
- "LINENO": true,
- "TABLE": true,
- "CURRENT": true,
- "LOAD": true,
- "TABLESAMPLE": true,
- "CURRENT_DATE": true,
- "MERGE": true,
- "TEXTSIZE": true,
- "CURRENT_TIME": true,
- "NATIONAL": true,
- "THEN": true,
- "CURRENT_TIMESTAMP": true,
- "NOCHECK": true,
- "TO": true,
- "CURRENT_USER": true,
- "NONCLUSTERED": true,
- "TOP": true,
- "CURSOR": true,
- "NOT": true,
- "TRAN": true,
- "DATABASE": true,
- "NULL": true,
- "TRANSACTION": true,
- "DBCC": true,
- "NULLIF": true,
- "TRIGGER": true,
- "DEALLOCATE": true,
- "OF": true,
- "TRUNCATE": true,
- "DECLARE": true,
- "OFF": true,
- "TRY_CONVERT": true,
- "DEFAULT": true,
- "OFFSETS": true,
- "TSEQUAL": true,
- "DELETE": true,
- "ON": true,
- "UNION": true,
- "DENY": true,
- "OPEN": true,
- "UNIQUE": true,
- "DESC": true,
- "OPENDATASOURCE": true,
- "UNPIVOT": true,
- "DISK": true,
- "OPENQUERY": true,
- "UPDATE": true,
- "DISTINCT": true,
- "OPENROWSET": true,
- "UPDATETEXT": true,
- "DISTRIBUTED": true,
- "OPENXML": true,
- "USE": true,
- "DOUBLE": true,
- "OPTION": true,
- "USER": true,
- "DROP": true,
- "OR": true,
- "VALUES": true,
- "DUMP": true,
- "ORDER": true,
- "VARYING": true,
- "ELSE": true,
- "OUTER": true,
- "VIEW": true,
- "END": true,
- "OVER": true,
- "WAITFOR": true,
- "ERRLVL": true,
- "PERCENT": true,
- "WHEN": true,
- "ESCAPE": true,
- "PIVOT": true,
- "WHERE": true,
- "EXCEPT": true,
- "PLAN": true,
- "WHILE": true,
- "EXEC": true,
- "PRECISION": true,
- "WITH": true,
- "EXECUTE": true,
- "PRIMARY": true,
- "WITHIN": true,
- "EXISTS": true,
- "PRINT": true,
- "WRITETEXT": true,
- "EXIT": true,
- "PROC": true,
- }
-)
-
-type mssql struct {
- core.Base
-}
-
-func (db *mssql) Init(d *core.DB, uri *core.Uri, drivername, dataSourceName string) error {
- return db.Base.Init(d, db, uri, drivername, dataSourceName)
-}
-
-func (db *mssql) SqlType(c *core.Column) string {
- var res string
- switch t := c.SQLType.Name; t {
- case core.Bool:
- res = core.TinyInt
- if c.Default == "true" {
- c.Default = "1"
- } else if c.Default == "false" {
- c.Default = "0"
- }
- case core.Serial:
- c.IsAutoIncrement = true
- c.IsPrimaryKey = true
- c.Nullable = false
- res = core.Int
- case core.BigSerial:
- c.IsAutoIncrement = true
- c.IsPrimaryKey = true
- c.Nullable = false
- res = core.BigInt
- case core.Bytea, core.Blob, core.Binary, core.TinyBlob, core.MediumBlob, core.LongBlob:
- res = core.VarBinary
- if c.Length == 0 {
- c.Length = 50
- }
- case core.TimeStamp:
- res = core.DateTime
- case core.TimeStampz:
- res = "DATETIMEOFFSET"
- c.Length = 7
- case core.MediumInt:
- res = core.Int
- case core.Text, core.MediumText, core.TinyText, core.LongText, core.Json:
- res = core.Varchar + "(MAX)"
- case core.Double:
- res = core.Real
- case core.Uuid:
- res = core.Varchar
- c.Length = 40
- default:
- res = t
- }
-
- if res == core.Int {
- return core.Int
- }
-
- hasLen1 := (c.Length > 0)
- hasLen2 := (c.Length2 > 0)
-
- if hasLen2 {
- res += "(" + strconv.Itoa(c.Length) + "," + strconv.Itoa(c.Length2) + ")"
- } else if hasLen1 {
- res += "(" + strconv.Itoa(c.Length) + ")"
- }
- return res
-}
-
-func (db *mssql) SupportInsertMany() bool {
- return true
-}
-
-func (db *mssql) IsReserved(name string) bool {
- _, ok := mssqlReservedWords[name]
- return ok
-}
-
-func (db *mssql) Quote(name string) string {
- return "\"" + name + "\""
-}
-
-func (db *mssql) QuoteStr() string {
- return "\""
-}
-
-func (db *mssql) SupportEngine() bool {
- return false
-}
-
-func (db *mssql) AutoIncrStr() string {
- return "IDENTITY"
-}
-
-func (db *mssql) DropTableSql(tableName string) string {
- return fmt.Sprintf("IF EXISTS (SELECT * FROM sysobjects WHERE id = "+
- "object_id(N'%s') and OBJECTPROPERTY(id, N'IsUserTable') = 1) "+
- "DROP TABLE \"%s\"", tableName, tableName)
-}
-
-func (db *mssql) SupportCharset() bool {
- return false
-}
-
-func (db *mssql) IndexOnTable() bool {
- return true
-}
-
-func (db *mssql) IndexCheckSql(tableName, idxName string) (string, []interface{}) {
- args := []interface{}{idxName}
- sql := "select name from sysindexes where id=object_id('" + tableName + "') and name=?"
- return sql, args
-}
-
-/*func (db *mssql) ColumnCheckSql(tableName, colName string) (string, []interface{}) {
- args := []interface{}{tableName, colName}
- sql := `SELECT "COLUMN_NAME" FROM "INFORMATION_SCHEMA"."COLUMNS" WHERE "TABLE_NAME" = ? AND "COLUMN_NAME" = ?`
- return sql, args
-}*/
-
-func (db *mssql) IsColumnExist(tableName, colName string) (bool, error) {
- query := `SELECT "COLUMN_NAME" FROM "INFORMATION_SCHEMA"."COLUMNS" WHERE "TABLE_NAME" = ? AND "COLUMN_NAME" = ?`
-
- return db.HasRecords(query, tableName, colName)
-}
-
-func (db *mssql) TableCheckSql(tableName string) (string, []interface{}) {
- args := []interface{}{}
- sql := "select * from sysobjects where id = object_id(N'" + tableName + "') and OBJECTPROPERTY(id, N'IsUserTable') = 1"
- return sql, args
-}
-
-func (db *mssql) GetColumns(tableName string) ([]string, map[string]*core.Column, error) {
- args := []interface{}{}
- s := `select a.name as name, b.name as ctype,a.max_length,a.precision,a.scale,a.is_nullable as nullable,
- replace(replace(isnull(c.text,''),'(',''),')','') as vdefault
- from sys.columns a left join sys.types b on a.user_type_id=b.user_type_id
- left join sys.syscomments c on a.default_object_id=c.id
- where a.object_id=object_id('` + tableName + `')`
- db.LogSQL(s, args)
-
- rows, err := db.DB().Query(s, args...)
- if err != nil {
- return nil, nil, err
- }
- defer rows.Close()
-
- cols := make(map[string]*core.Column)
- colSeq := make([]string, 0)
- for rows.Next() {
- var name, ctype, vdefault string
- var maxLen, precision, scale int
- var nullable bool
- err = rows.Scan(&name, &ctype, &maxLen, &precision, &scale, &nullable, &vdefault)
- if err != nil {
- return nil, nil, err
- }
-
- col := new(core.Column)
- col.Indexes = make(map[string]int)
- col.Name = strings.Trim(name, "` ")
- col.Nullable = nullable
- col.Default = vdefault
- ct := strings.ToUpper(ctype)
- if ct == "DECIMAL" {
- col.Length = precision
- col.Length2 = scale
- } else {
- col.Length = maxLen
- }
- switch ct {
- case "DATETIMEOFFSET":
- col.SQLType = core.SQLType{Name: core.TimeStampz, DefaultLength: 0, DefaultLength2: 0}
- case "NVARCHAR":
- col.SQLType = core.SQLType{Name: core.NVarchar, DefaultLength: 0, DefaultLength2: 0}
- case "IMAGE":
- col.SQLType = core.SQLType{Name: core.VarBinary, DefaultLength: 0, DefaultLength2: 0}
- default:
- if _, ok := core.SqlTypes[ct]; ok {
- col.SQLType = core.SQLType{Name: ct, DefaultLength: 0, DefaultLength2: 0}
- } else {
- return nil, nil, fmt.Errorf("Unknown colType %v for %v - %v", ct, tableName, col.Name)
- }
- }
-
- if col.SQLType.IsText() || col.SQLType.IsTime() {
- if col.Default != "" {
- col.Default = "'" + col.Default + "'"
- } else {
- if col.DefaultIsEmpty {
- col.Default = "''"
- }
- }
- }
- cols[col.Name] = col
- colSeq = append(colSeq, col.Name)
- }
- return colSeq, cols, nil
-}
-
-func (db *mssql) GetTables() ([]*core.Table, error) {
- args := []interface{}{}
- s := `select name from sysobjects where xtype ='U'`
- db.LogSQL(s, args)
-
- rows, err := db.DB().Query(s, args...)
- if err != nil {
- return nil, err
- }
- defer rows.Close()
-
- tables := make([]*core.Table, 0)
- for rows.Next() {
- table := core.NewEmptyTable()
- var name string
- err = rows.Scan(&name)
- if err != nil {
- return nil, err
- }
- table.Name = strings.Trim(name, "` ")
- tables = append(tables, table)
- }
- return tables, nil
-}
-
-func (db *mssql) GetIndexes(tableName string) (map[string]*core.Index, error) {
- args := []interface{}{tableName}
- s := `SELECT
-IXS.NAME AS [INDEX_NAME],
-C.NAME AS [COLUMN_NAME],
-IXS.is_unique AS [IS_UNIQUE]
-FROM SYS.INDEXES IXS
-INNER JOIN SYS.INDEX_COLUMNS IXCS
-ON IXS.OBJECT_ID=IXCS.OBJECT_ID AND IXS.INDEX_ID = IXCS.INDEX_ID
-INNER JOIN SYS.COLUMNS C ON IXS.OBJECT_ID=C.OBJECT_ID
-AND IXCS.COLUMN_ID=C.COLUMN_ID
-WHERE IXS.TYPE_DESC='NONCLUSTERED' and OBJECT_NAME(IXS.OBJECT_ID) =?
-`
- db.LogSQL(s, args)
-
- rows, err := db.DB().Query(s, args...)
- if err != nil {
- return nil, err
- }
- defer rows.Close()
-
- indexes := make(map[string]*core.Index, 0)
- for rows.Next() {
- var indexType int
- var indexName, colName, isUnique string
-
- err = rows.Scan(&indexName, &colName, &isUnique)
- if err != nil {
- return nil, err
- }
-
- i, err := strconv.ParseBool(isUnique)
- if err != nil {
- return nil, err
- }
-
- if i {
- indexType = core.UniqueType
- } else {
- indexType = core.IndexType
- }
-
- colName = strings.Trim(colName, "` ")
-
- if strings.HasPrefix(indexName, "IDX_"+tableName) || strings.HasPrefix(indexName, "UQE_"+tableName) {
- indexName = indexName[5+len(tableName):]
- }
-
- var index *core.Index
- var ok bool
- if index, ok = indexes[indexName]; !ok {
- index = new(core.Index)
- index.Type = indexType
- index.Name = indexName
- indexes[indexName] = index
- }
- index.AddColumn(colName)
- }
- return indexes, nil
-}
-
-func (db *mssql) CreateTableSql(table *core.Table, tableName, storeEngine, charset string) string {
- var sql string
- if tableName == "" {
- tableName = table.Name
- }
-
- sql = "IF NOT EXISTS (SELECT [name] FROM sys.tables WHERE [name] = '" + tableName + "' ) CREATE TABLE "
-
- sql += db.QuoteStr() + tableName + db.QuoteStr() + " ("
-
- pkList := table.PrimaryKeys
-
- for _, colName := range table.ColumnsSeq() {
- col := table.GetColumn(colName)
- if col.IsPrimaryKey && len(pkList) == 1 {
- sql += col.String(db)
- } else {
- sql += col.StringNoPk(db)
- }
- sql = strings.TrimSpace(sql)
- sql += ", "
- }
-
- if len(pkList) > 1 {
- sql += "PRIMARY KEY ( "
- sql += strings.Join(pkList, ",")
- sql += " ), "
- }
-
- sql = sql[:len(sql)-2] + ")"
- sql += ";"
- return sql
-}
-
-func (db *mssql) ForUpdateSql(query string) string {
- return query
-}
-
-func (db *mssql) Filters() []core.Filter {
- return []core.Filter{&core.IdFilter{}, &core.QuoteFilter{}}
-}
+// Copyright 2015 The Xorm Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package xorm + +import ( + "fmt" + "strconv" + "strings" + + "github.com/go-xorm/core" +) + +var ( + mssqlReservedWords = map[string]bool{ + "ADD": true, + "EXTERNAL": true, + "PROCEDURE": true, + "ALL": true, + "FETCH": true, + "PUBLIC": true, + "ALTER": true, + "FILE": true, + "RAISERROR": true, + "AND": true, + "FILLFACTOR": true, + "READ": true, + "ANY": true, + "FOR": true, + "READTEXT": true, + "AS": true, + "FOREIGN": true, + "RECONFIGURE": true, + "ASC": true, + "FREETEXT": true, + "REFERENCES": true, + "AUTHORIZATION": true, + "FREETEXTTABLE": true, + "REPLICATION": true, + "BACKUP": true, + "FROM": true, + "RESTORE": true, + "BEGIN": true, + "FULL": true, + "RESTRICT": true, + "BETWEEN": true, + "FUNCTION": true, + "RETURN": true, + "BREAK": true, + "GOTO": true, + "REVERT": true, + "BROWSE": true, + "GRANT": true, + "REVOKE": true, + "BULK": true, + "GROUP": true, + "RIGHT": true, + "BY": true, + "HAVING": true, + "ROLLBACK": true, + "CASCADE": true, + "HOLDLOCK": true, + "ROWCOUNT": true, + "CASE": true, + "IDENTITY": true, + "ROWGUIDCOL": true, + "CHECK": true, + "IDENTITY_INSERT": true, + "RULE": true, + "CHECKPOINT": true, + "IDENTITYCOL": true, + "SAVE": true, + "CLOSE": true, + "IF": true, + "SCHEMA": true, + "CLUSTERED": true, + "IN": true, + "SECURITYAUDIT": true, + "COALESCE": true, + "INDEX": true, + "SELECT": true, + "COLLATE": true, + "INNER": true, + "SEMANTICKEYPHRASETABLE": true, + "COLUMN": true, + "INSERT": true, + "SEMANTICSIMILARITYDETAILSTABLE": true, + "COMMIT": true, + "INTERSECT": true, + "SEMANTICSIMILARITYTABLE": true, + "COMPUTE": true, + "INTO": true, + "SESSION_USER": true, + "CONSTRAINT": true, + "IS": true, + "SET": true, + "CONTAINS": true, + "JOIN": true, + "SETUSER": true, + "CONTAINSTABLE": true, + "KEY": true, + "SHUTDOWN": true, + "CONTINUE": true, + "KILL": true, + "SOME": true, + "CONVERT": true, + "LEFT": true, + "STATISTICS": true, + "CREATE": true, + "LIKE": true, + "SYSTEM_USER": true, + "CROSS": true, + "LINENO": true, + "TABLE": true, + "CURRENT": true, + "LOAD": true, + "TABLESAMPLE": true, + "CURRENT_DATE": true, + "MERGE": true, + "TEXTSIZE": true, + "CURRENT_TIME": true, + "NATIONAL": true, + "THEN": true, + "CURRENT_TIMESTAMP": true, + "NOCHECK": true, + "TO": true, + "CURRENT_USER": true, + "NONCLUSTERED": true, + "TOP": true, + "CURSOR": true, + "NOT": true, + "TRAN": true, + "DATABASE": true, + "NULL": true, + "TRANSACTION": true, + "DBCC": true, + "NULLIF": true, + "TRIGGER": true, + "DEALLOCATE": true, + "OF": true, + "TRUNCATE": true, + "DECLARE": true, + "OFF": true, + "TRY_CONVERT": true, + "DEFAULT": true, + "OFFSETS": true, + "TSEQUAL": true, + "DELETE": true, + "ON": true, + "UNION": true, + "DENY": true, + "OPEN": true, + "UNIQUE": true, + "DESC": true, + "OPENDATASOURCE": true, + "UNPIVOT": true, + "DISK": true, + "OPENQUERY": true, + "UPDATE": true, + "DISTINCT": true, + "OPENROWSET": true, + "UPDATETEXT": true, + "DISTRIBUTED": true, + "OPENXML": true, + "USE": true, + "DOUBLE": true, + "OPTION": true, + "USER": true, + "DROP": true, + "OR": true, + "VALUES": true, + "DUMP": true, + "ORDER": true, + "VARYING": true, + "ELSE": true, + "OUTER": true, + "VIEW": true, + "END": true, + "OVER": true, + "WAITFOR": true, + "ERRLVL": true, + "PERCENT": true, + "WHEN": true, + "ESCAPE": true, + "PIVOT": true, + "WHERE": true, + "EXCEPT": true, + "PLAN": true, + "WHILE": true, + "EXEC": true, + "PRECISION": true, + "WITH": true, + "EXECUTE": true, + "PRIMARY": true, + "WITHIN": true, + "EXISTS": true, + "PRINT": true, + "WRITETEXT": true, + "EXIT": true, + "PROC": true, + } +) + +type mssql struct { + core.Base +} + +func (db *mssql) Init(d *core.DB, uri *core.Uri, drivername, dataSourceName string) error { + return db.Base.Init(d, db, uri, drivername, dataSourceName) +} + +func (db *mssql) SqlType(c *core.Column) string { + var res string + switch t := c.SQLType.Name; t { + case core.Bool: + res = core.TinyInt + if c.Default == "true" { + c.Default = "1" + } else if c.Default == "false" { + c.Default = "0" + } + case core.Serial: + c.IsAutoIncrement = true + c.IsPrimaryKey = true + c.Nullable = false + res = core.Int + case core.BigSerial: + c.IsAutoIncrement = true + c.IsPrimaryKey = true + c.Nullable = false + res = core.BigInt + case core.Bytea, core.Blob, core.Binary, core.TinyBlob, core.MediumBlob, core.LongBlob: + res = core.VarBinary + if c.Length == 0 { + c.Length = 50 + } + case core.TimeStamp: + res = core.DateTime + case core.TimeStampz: + res = "DATETIMEOFFSET" + c.Length = 7 + case core.MediumInt: + res = core.Int + case core.Text, core.MediumText, core.TinyText, core.LongText, core.Json: + res = core.Varchar + "(MAX)" + case core.Double: + res = core.Real + case core.Uuid: + res = core.Varchar + c.Length = 40 + default: + res = t + } + + if res == core.Int { + return core.Int + } + + hasLen1 := (c.Length > 0) + hasLen2 := (c.Length2 > 0) + + if hasLen2 { + res += "(" + strconv.Itoa(c.Length) + "," + strconv.Itoa(c.Length2) + ")" + } else if hasLen1 { + res += "(" + strconv.Itoa(c.Length) + ")" + } + return res +} + +func (db *mssql) SupportInsertMany() bool { + return true +} + +func (db *mssql) IsReserved(name string) bool { + _, ok := mssqlReservedWords[name] + return ok +} + +func (db *mssql) Quote(name string) string { + return "\"" + name + "\"" +} + +func (db *mssql) QuoteStr() string { + return "\"" +} + +func (db *mssql) SupportEngine() bool { + return false +} + +func (db *mssql) AutoIncrStr() string { + return "IDENTITY" +} + +func (db *mssql) DropTableSql(tableName string) string { + return fmt.Sprintf("IF EXISTS (SELECT * FROM sysobjects WHERE id = "+ + "object_id(N'%s') and OBJECTPROPERTY(id, N'IsUserTable') = 1) "+ + "DROP TABLE \"%s\"", tableName, tableName) +} + +func (db *mssql) SupportCharset() bool { + return false +} + +func (db *mssql) IndexOnTable() bool { + return true +} + +func (db *mssql) IndexCheckSql(tableName, idxName string) (string, []interface{}) { + args := []interface{}{idxName} + sql := "select name from sysindexes where id=object_id('" + tableName + "') and name=?" + return sql, args +} + +/*func (db *mssql) ColumnCheckSql(tableName, colName string) (string, []interface{}) { + args := []interface{}{tableName, colName} + sql := `SELECT "COLUMN_NAME" FROM "INFORMATION_SCHEMA"."COLUMNS" WHERE "TABLE_NAME" = ? AND "COLUMN_NAME" = ?` + return sql, args +}*/ + +func (db *mssql) IsColumnExist(tableName, colName string) (bool, error) { + query := `SELECT "COLUMN_NAME" FROM "INFORMATION_SCHEMA"."COLUMNS" WHERE "TABLE_NAME" = ? AND "COLUMN_NAME" = ?` + + return db.HasRecords(query, tableName, colName) +} + +func (db *mssql) TableCheckSql(tableName string) (string, []interface{}) { + args := []interface{}{} + sql := "select * from sysobjects where id = object_id(N'" + tableName + "') and OBJECTPROPERTY(id, N'IsUserTable') = 1" + return sql, args +} + +func (db *mssql) GetColumns(tableName string) ([]string, map[string]*core.Column, error) { + args := []interface{}{} + s := `select a.name as name, b.name as ctype,a.max_length,a.precision,a.scale,a.is_nullable as nullable, + replace(replace(isnull(c.text,''),'(',''),')','') as vdefault + from sys.columns a left join sys.types b on a.user_type_id=b.user_type_id + left join sys.syscomments c on a.default_object_id=c.id + where a.object_id=object_id('` + tableName + `')` + db.LogSQL(s, args) + + rows, err := db.DB().Query(s, args...) + if err != nil { + return nil, nil, err + } + defer rows.Close() + + cols := make(map[string]*core.Column) + colSeq := make([]string, 0) + for rows.Next() { + var name, ctype, vdefault string + var maxLen, precision, scale int + var nullable bool + err = rows.Scan(&name, &ctype, &maxLen, &precision, &scale, &nullable, &vdefault) + if err != nil { + return nil, nil, err + } + + col := new(core.Column) + col.Indexes = make(map[string]int) + col.Name = strings.Trim(name, "` ") + col.Nullable = nullable + col.Default = vdefault + ct := strings.ToUpper(ctype) + if ct == "DECIMAL" { + col.Length = precision + col.Length2 = scale + } else { + col.Length = maxLen + } + switch ct { + case "DATETIMEOFFSET": + col.SQLType = core.SQLType{Name: core.TimeStampz, DefaultLength: 0, DefaultLength2: 0} + case "NVARCHAR": + col.SQLType = core.SQLType{Name: core.NVarchar, DefaultLength: 0, DefaultLength2: 0} + case "IMAGE": + col.SQLType = core.SQLType{Name: core.VarBinary, DefaultLength: 0, DefaultLength2: 0} + default: + if _, ok := core.SqlTypes[ct]; ok { + col.SQLType = core.SQLType{Name: ct, DefaultLength: 0, DefaultLength2: 0} + } else { + return nil, nil, fmt.Errorf("Unknown colType %v for %v - %v", ct, tableName, col.Name) + } + } + + if col.SQLType.IsText() || col.SQLType.IsTime() { + if col.Default != "" { + col.Default = "'" + col.Default + "'" + } else { + if col.DefaultIsEmpty { + col.Default = "''" + } + } + } + cols[col.Name] = col + colSeq = append(colSeq, col.Name) + } + return colSeq, cols, nil +} + +func (db *mssql) GetTables() ([]*core.Table, error) { + args := []interface{}{} + s := `select name from sysobjects where xtype ='U'` + db.LogSQL(s, args) + + rows, err := db.DB().Query(s, args...) + if err != nil { + return nil, err + } + defer rows.Close() + + tables := make([]*core.Table, 0) + for rows.Next() { + table := core.NewEmptyTable() + var name string + err = rows.Scan(&name) + if err != nil { + return nil, err + } + table.Name = strings.Trim(name, "` ") + tables = append(tables, table) + } + return tables, nil +} + +func (db *mssql) GetIndexes(tableName string) (map[string]*core.Index, error) { + args := []interface{}{tableName} + s := `SELECT +IXS.NAME AS [INDEX_NAME], +C.NAME AS [COLUMN_NAME], +IXS.is_unique AS [IS_UNIQUE] +FROM SYS.INDEXES IXS +INNER JOIN SYS.INDEX_COLUMNS IXCS +ON IXS.OBJECT_ID=IXCS.OBJECT_ID AND IXS.INDEX_ID = IXCS.INDEX_ID +INNER JOIN SYS.COLUMNS C ON IXS.OBJECT_ID=C.OBJECT_ID +AND IXCS.COLUMN_ID=C.COLUMN_ID +WHERE IXS.TYPE_DESC='NONCLUSTERED' and OBJECT_NAME(IXS.OBJECT_ID) =? +` + db.LogSQL(s, args) + + rows, err := db.DB().Query(s, args...) + if err != nil { + return nil, err + } + defer rows.Close() + + indexes := make(map[string]*core.Index, 0) + for rows.Next() { + var indexType int + var indexName, colName, isUnique string + + err = rows.Scan(&indexName, &colName, &isUnique) + if err != nil { + return nil, err + } + + i, err := strconv.ParseBool(isUnique) + if err != nil { + return nil, err + } + + if i { + indexType = core.UniqueType + } else { + indexType = core.IndexType + } + + colName = strings.Trim(colName, "` ") + + if strings.HasPrefix(indexName, "IDX_"+tableName) || strings.HasPrefix(indexName, "UQE_"+tableName) { + indexName = indexName[5+len(tableName):] + } + + var index *core.Index + var ok bool + if index, ok = indexes[indexName]; !ok { + index = new(core.Index) + index.Type = indexType + index.Name = indexName + indexes[indexName] = index + } + index.AddColumn(colName) + } + return indexes, nil +} + +func (db *mssql) CreateTableSql(table *core.Table, tableName, storeEngine, charset string) string { + var sql string + if tableName == "" { + tableName = table.Name + } + + sql = "IF NOT EXISTS (SELECT [name] FROM sys.tables WHERE [name] = '" + tableName + "' ) CREATE TABLE " + + sql += db.QuoteStr() + tableName + db.QuoteStr() + " (" + + pkList := table.PrimaryKeys + + for _, colName := range table.ColumnsSeq() { + col := table.GetColumn(colName) + if col.IsPrimaryKey && len(pkList) == 1 { + sql += col.String(db) + } else { + sql += col.StringNoPk(db) + } + sql = strings.TrimSpace(sql) + sql += ", " + } + + if len(pkList) > 1 { + sql += "PRIMARY KEY ( " + sql += strings.Join(pkList, ",") + sql += " ), " + } + + sql = sql[:len(sql)-2] + ")" + sql += ";" + return sql +} + +func (db *mssql) ForUpdateSql(query string) string { + return query +} + +func (db *mssql) Filters() []core.Filter { + return []core.Filter{&core.IdFilter{}, &core.QuoteFilter{}} +} |