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c61b902538
* Upgrade xorm to v1.0.0 * small nit * Fix tests * Update xorm * Update xorm * fix go.sum * fix test * Fix bug when dump * Fix bug * update xorm to latest * Fix migration test * update xorm to latest * Fix import order * Use xorm tag
80 lines
1.9 KiB
Go
Vendored
80 lines
1.9 KiB
Go
Vendored
// Copyright 2019 The Xorm Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package statements
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import (
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"fmt"
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"strings"
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"xorm.io/xorm/internal/utils"
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"xorm.io/xorm/schemas"
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)
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func (statement *Statement) ConvertIDSQL(sqlStr string) string {
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if statement.RefTable != nil {
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cols := statement.RefTable.PKColumns()
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if len(cols) == 0 {
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return ""
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}
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colstrs := statement.joinColumns(cols, false)
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sqls := utils.SplitNNoCase(sqlStr, " from ", 2)
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if len(sqls) != 2 {
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return ""
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}
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var top string
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pLimitN := statement.LimitN
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if pLimitN != nil && statement.dialect.URI().DBType == schemas.MSSQL {
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top = fmt.Sprintf("TOP %d ", *pLimitN)
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}
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newsql := fmt.Sprintf("SELECT %s%s FROM %v", top, colstrs, sqls[1])
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return newsql
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}
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return ""
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}
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func (statement *Statement) ConvertUpdateSQL(sqlStr string) (string, string) {
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if statement.RefTable == nil || len(statement.RefTable.PrimaryKeys) != 1 {
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return "", ""
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}
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colstrs := statement.joinColumns(statement.RefTable.PKColumns(), true)
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sqls := utils.SplitNNoCase(sqlStr, "where", 2)
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if len(sqls) != 2 {
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if len(sqls) == 1 {
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return sqls[0], fmt.Sprintf("SELECT %v FROM %v",
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colstrs, statement.quote(statement.TableName()))
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}
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return "", ""
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}
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var whereStr = sqls[1]
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// TODO: for postgres only, if any other database?
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var paraStr string
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if statement.dialect.URI().DBType == schemas.POSTGRES {
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paraStr = "$"
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} else if statement.dialect.URI().DBType == schemas.MSSQL {
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paraStr = ":"
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}
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if paraStr != "" {
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if strings.Contains(sqls[1], paraStr) {
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dollers := strings.Split(sqls[1], paraStr)
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whereStr = dollers[0]
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for i, c := range dollers[1:] {
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ccs := strings.SplitN(c, " ", 2)
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whereStr += fmt.Sprintf(paraStr+"%v %v", i+1, ccs[1])
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}
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}
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}
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return sqls[0], fmt.Sprintf("SELECT %v FROM %v WHERE %v",
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colstrs, statement.quote(statement.TableName()),
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whereStr)
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}
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