gitea/vendor/github.com/go-xorm/builder/cond_expr.go

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2016-11-03 22:16:01 +00:00
package builder
import "fmt"
type expr struct {
sql string
args []interface{}
}
var _ Cond = expr{}
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
}