githaven-fork/vendor/xorm.io/builder/cond_expr.go
Lunny Xiao 29dda47cbb
Fix label count (#8267)
* fix label count

* fix vendor

* fix import order

* update xorm to fix bug

* fix tests

* fix mssql bug
2019-09-24 21:22:39 +08:00

44 lines
829 B
Go

// Copyright 2016 The Xorm Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package builder
import "fmt"
type expr struct {
sql string
args []interface{}
}
var _ Cond = expr{}
// Expr generate customerize SQL
func Expr(sql string, args ...interface{}) Cond {
return expr{sql, args}
}
func (expr expr) OpWriteTo(op string, w Writer) error {
return expr.WriteTo(w)
}
func (expr expr) WriteTo(w Writer) error {
if _, err := fmt.Fprint(w, expr.sql); err != nil {
return err
}
w.Append(expr.args...)
return nil
}
func (expr expr) And(conds ...Cond) Cond {
return And(expr, And(conds...))
}
func (expr expr) Or(conds ...Cond) Cond {
return Or(expr, Or(conds...))
}
func (expr expr) IsValid() bool {
return len(expr.sql) > 0
}