surrealpatch/db/return.go
2017-02-20 01:45:09 +00:00

44 lines
1.1 KiB
Go

// Copyright © 2016 Abcum Ltd
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package db
import (
"github.com/abcum/surreal/log"
"github.com/abcum/surreal/sql"
)
func (e *executor) executeReturnStatement(ast *sql.ReturnStatement) (out []interface{}, err error) {
log.WithPrefix("sql").WithFields(map[string]interface{}{
"ns": ast.NS,
"db": ast.DB,
}).Debugln(ast)
switch what := ast.What.(type) {
default:
out = append(out, what)
case *sql.Null:
out = append(out, nil)
case *sql.Void:
// Ignore
case *sql.Empty:
// Ignore
case *sql.Param:
out = append(out, e.ctx.Get(what.ID).Data())
}
return
}