40 lines
746 B
Go
40 lines
746 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) 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
|
|
}
|