2014-04-25 03:20:23 +04:00
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package gorm
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2013-11-14 14:59:11 +04:00
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import (
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"fmt"
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2014-04-25 03:20:23 +04:00
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2014-03-16 05:28:43 +04:00
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"reflect"
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2013-11-14 14:59:11 +04:00
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)
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type mysql struct{}
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2013-11-16 16:47:25 +04:00
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func (s *mysql) BinVar(i int) string {
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2013-11-21 10:33:06 +04:00
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return "$$" // ?
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2013-11-14 14:59:11 +04:00
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}
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func (s *mysql) SupportLastInsertId() bool {
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return true
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}
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2014-03-16 05:28:43 +04:00
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func (d *mysql) SqlTag(value reflect.Value, size int) string {
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switch value.Kind() {
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case reflect.Bool:
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2013-11-14 14:59:11 +04:00
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return "boolean"
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2014-03-16 05:28:43 +04:00
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case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uintptr:
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2013-11-14 14:59:11 +04:00
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return "int"
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2014-03-16 05:28:43 +04:00
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case reflect.Int64, reflect.Uint64:
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2013-11-14 14:59:11 +04:00
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return "bigint"
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2014-03-16 05:28:43 +04:00
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case reflect.Float32, reflect.Float64:
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return "double"
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2014-03-16 05:28:43 +04:00
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case reflect.String:
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2013-11-14 14:59:11 +04:00
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if size > 0 && size < 65532 {
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return fmt.Sprintf("varchar(%d)", size)
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} else {
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return "longtext"
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}
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2014-03-16 05:28:43 +04:00
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case reflect.Struct:
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if value.Type() == timeType {
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return "datetime"
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}
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2013-11-14 14:59:11 +04:00
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default:
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if _, ok := value.Interface().([]byte); ok {
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if size > 0 && size < 65532 {
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return fmt.Sprintf("varbinary(%d)", size)
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} else {
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return "longblob"
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}
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}
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2013-11-14 14:59:11 +04:00
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}
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2014-03-16 05:28:43 +04:00
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panic(fmt.Sprintf("invalid sql type %s (%s) for mysql", value.Type().Name(), value.Kind().String()))
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2013-11-14 14:59:11 +04:00
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}
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2014-03-16 05:28:43 +04:00
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func (s *mysql) PrimaryKeyTag(value reflect.Value, size int) string {
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2013-11-14 14:59:11 +04:00
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suffix_str := " NOT NULL AUTO_INCREMENT PRIMARY KEY"
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2014-03-16 05:28:43 +04:00
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switch value.Kind() {
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case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uintptr:
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2013-11-14 14:59:11 +04:00
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return "int" + suffix_str
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2014-03-16 05:28:43 +04:00
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case reflect.Int64, reflect.Uint64:
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2013-11-14 14:59:11 +04:00
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return "bigint" + suffix_str
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default:
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panic("Invalid primary key type")
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}
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}
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2014-04-25 03:20:23 +04:00
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func (s *mysql) ReturningStr(key string) string {
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return ""
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2013-11-14 14:59:11 +04:00
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}
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2013-11-30 10:52:01 +04:00
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2014-04-25 03:20:23 +04:00
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func (s *mysql) Quote(key string) string {
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2013-11-30 10:52:01 +04:00
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return fmt.Sprintf("`%s`", key)
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}
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2014-04-25 03:20:23 +04:00
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func (s *mysql) HasTable(tableName string) bool {
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return true
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}
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func (s *mysql) HasColumn(tableName string, columnName string) bool {
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return true
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}
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