gorm/dialect.go

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package gorm
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import (
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"fmt"
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"reflect"
)
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type Dialect interface {
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BinVar(i int) string
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SupportLastInsertId() bool
HasTop() bool
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SqlTag(value reflect.Value, size int, autoIncrease bool) string
ReturningStr(tableName, key string) string
SelectFromDummyTable() string
Quote(key string) string
HasTable(scope *Scope, tableName string) bool
HasColumn(scope *Scope, tableName string, columnName string) bool
HasIndex(scope *Scope, tableName string, indexName string) bool
RemoveIndex(scope *Scope, indexName string)
CurrentDatabase(scope *Scope, name *string)
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}
func NewDialect(driver string) Dialect {
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var d Dialect
switch driver {
case "postgres":
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d = &postgres{}
case "foundation":
d = &foundation{}
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case "mysql":
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d = &mysql{}
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case "sqlite3":
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d = &sqlite3{}
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case "mssql":
d = &mssql{}
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default:
fmt.Printf("`%v` is not officially supported, running under compatibility mode.\n", driver)
d = &commonDialect{}
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}
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return d
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}