63 lines
1.6 KiB
Go
63 lines
1.6 KiB
Go
package gorm
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import (
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"fmt"
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"reflect"
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"time"
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)
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type crate struct {
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commonDialect
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}
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func (crate) SupportLastInsertId() bool {
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return false
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}
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func (crate) SqlTag(value reflect.Value, size int, autoIncrease bool) string {
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//Crate doesn't support autoIncrease
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switch value.Kind() {
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case reflect.Bool:
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return "boolean"
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case reflect.Int8, reflect.Int16, reflect.Uint8, reflect.Uint16:
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return "short"
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case reflect.Int, reflect.Int32, reflect.Uint, reflect.Uint32, reflect.Uintptr:
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return "integer"
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case reflect.Int64, reflect.Uint64:
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return "double"
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case reflect.Float32, reflect.Float64:
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return "float"
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case reflect.String:
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return "string"
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case reflect.Struct:
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if _, ok := value.Interface().(time.Time); ok {
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return "timestamp NULL"
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}
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default:
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if _, ok := value.Interface().([]byte); ok {
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return "object"
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}
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}
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panic(fmt.Sprintf("invalid sql type %s (%s) for mysql", value.Type().Name(), value.Kind().String()))
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}
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func (c crate) HasTable(scope *Scope, tableName string) bool {
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var count int
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scope.NewDB().Raw("SELECT count(*) FROM INFORMATION_SCHEMA.TABLES WHERE table_name = ? AND schema_name = 'doc'", tableName).Row().Scan(&count)
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return count > 0
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}
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func (c crate) HasColumn(scope *Scope, tableName string, columnName string) bool {
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var count int
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scope.NewDB().Raw("SELECT count(*) FROM INFORMATION_SCHEMA.COLUMNS WHERE schema_name = 'doc' AND table_name = ? AND column_name = ?", tableName, columnName).Row().Scan(&count)
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return count > 0
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}
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func (crate) Quote(key string) string {
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return fmt.Sprintf(`"%s"`, key)
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}
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func (crate) QueryTerminator() string {
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return ""
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}
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