surrealpatch/sql/return.go
2017-11-16 20:53:13 +00:00

42 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 sql
func (p *parser) parseReturnStatement() (stmt *ReturnStatement, err error) {
stmt = &ReturnStatement{}
if stmt.KV, stmt.NS, stmt.DB, err = p.o.get(AuthSC); err != nil {
return nil, err
}
// The next query part can be any expression
// including a parenthesised expression or a
// binary expression so handle accordingly.
stmt.What, err = p.parseWhat()
if err != nil {
return nil, err
}
// If this query has any subqueries which
// need to alter the database then mark
// this query as a writeable statement.
stmt.RW = p.buf.rw
return
}