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114 lines
2.7 KiB
114 lines
2.7 KiB
// Copyright 2018 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 xorm
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import (
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"fmt"
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"reflect"
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"strings"
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"xorm.io/core"
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)
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// tbNameWithSchema will automatically add schema prefix on table name
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func (engine *Engine) tbNameWithSchema(v string) string {
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// Add schema name as prefix of table name.
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// Only for postgres database.
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if engine.dialect.DBType() == core.POSTGRES &&
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engine.dialect.URI().Schema != "" &&
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engine.dialect.URI().Schema != postgresPublicSchema &&
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strings.Index(v, ".") == -1 {
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return engine.dialect.URI().Schema + "." + v
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}
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return v
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}
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// TableName returns table name with schema prefix if has
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func (engine *Engine) TableName(bean interface{}, includeSchema ...bool) string {
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tbName := engine.tbNameNoSchema(bean)
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if len(includeSchema) > 0 && includeSchema[0] {
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tbName = engine.tbNameWithSchema(tbName)
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}
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return tbName
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}
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// tbName get some table's table name
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func (session *Session) tbNameNoSchema(table *core.Table) string {
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if len(session.statement.AltTableName) > 0 {
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return session.statement.AltTableName
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}
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return table.Name
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}
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func (engine *Engine) tbNameForMap(v reflect.Value) string {
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if v.Type().Implements(tpTableName) {
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return v.Interface().(TableName).TableName()
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}
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if v.Kind() == reflect.Ptr {
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v = v.Elem()
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if v.Type().Implements(tpTableName) {
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return v.Interface().(TableName).TableName()
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}
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}
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return engine.TableMapper.Obj2Table(v.Type().Name())
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}
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func (engine *Engine) tbNameNoSchema(tablename interface{}) string {
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switch tablename.(type) {
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case []string:
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t := tablename.([]string)
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if len(t) > 1 {
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return fmt.Sprintf("%v AS %v", engine.Quote(t[0]), engine.Quote(t[1]))
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} else if len(t) == 1 {
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return engine.Quote(t[0])
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}
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case []interface{}:
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t := tablename.([]interface{})
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l := len(t)
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var table string
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if l > 0 {
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f := t[0]
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switch f.(type) {
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case string:
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table = f.(string)
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case TableName:
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table = f.(TableName).TableName()
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default:
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v := rValue(f)
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t := v.Type()
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if t.Kind() == reflect.Struct {
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table = engine.tbNameForMap(v)
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} else {
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table = engine.Quote(fmt.Sprintf("%v", f))
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}
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}
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}
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if l > 1 {
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return fmt.Sprintf("%v AS %v", engine.Quote(table),
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engine.Quote(fmt.Sprintf("%v", t[1])))
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} else if l == 1 {
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return engine.Quote(table)
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}
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case TableName:
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return tablename.(TableName).TableName()
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case string:
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return tablename.(string)
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case reflect.Value:
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v := tablename.(reflect.Value)
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return engine.tbNameForMap(v)
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default:
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v := rValue(tablename)
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t := v.Type()
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if t.Kind() == reflect.Struct {
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return engine.tbNameForMap(v)
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}
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return engine.Quote(fmt.Sprintf("%v", tablename))
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}
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return ""
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}
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