73 lines
1.4 KiB
Go
73 lines
1.4 KiB
Go
// Copyright 2013 The XORM Authors. All rights reserved.
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// Use of this source code is governed by a BSD
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// license that can be found in the LICENSE file.
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// Package xorm provides is a simple and powerful ORM for Go. It makes your
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// database operation simple.
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package xorm
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import "strconv"
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type postgres struct {
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}
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func (db *postgres) SqlType(c *Column) string {
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var res string
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switch t := c.SQLType; t {
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case TinyInt:
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res = SmallInt.Name
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case MediumInt, Int, Integer:
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return Integer.Name
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case Serial, BigSerial:
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c.IsAutoIncrement = true
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res = t.Name
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case Binary, VarBinary:
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res = Bytea.Name
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case DateTime:
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res = TimeStamp.Name
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case Float:
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res = Real.Name
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case TinyText, MediumText, LongText:
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res = Text.Name
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case Blob, TinyBlob, MediumBlob, LongBlob:
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res = Bytea.Name
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case Double:
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return "DOUBLE PRECISION"
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default:
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if c.IsAutoIncrement {
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return Serial.Name
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}
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res = t.Name
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}
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var hasLen1 bool = (c.Length > 0)
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var hasLen2 bool = (c.Length2 > 0)
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if hasLen1 {
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res += "(" + strconv.Itoa(c.Length) + ")"
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} else if hasLen2 {
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res += "(" + strconv.Itoa(c.Length) + "," + strconv.Itoa(c.Length2) + ")"
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}
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return res
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}
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func (db *postgres) SupportInsertMany() bool {
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return true
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}
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func (db *postgres) QuoteStr() string {
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return "\""
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}
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func (db *postgres) AutoIncrStr() string {
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return ""
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}
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func (db *postgres) SupportEngine() bool {
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return false
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}
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func (db *postgres) SupportCharset() bool {
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return false
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}
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