surrealpatch/sql/relate.go
2017-02-20 01:44:12 +00:00

61 lines
1.4 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) parseRelateStatement() (stmt *RelateStatement, err error) {
stmt = &RelateStatement{}
if stmt.KV, stmt.NS, stmt.DB, err = p.o.get(AuthSC); err != nil {
return nil, err
}
if stmt.Type, err = p.parseTable(); err != nil {
return nil, err
}
if _, _, err = p.shouldBe(FROM); err != nil {
return nil, err
}
if stmt.From, err = p.parseWhat(); err != nil {
return nil, err
}
if _, _, err = p.shouldBe(TO); err != nil {
return nil, err
}
if stmt.With, err = p.parseWhat(); err != nil {
return nil, err
}
_, _, stmt.Uniq = p.mightBe(UNIQUE)
if stmt.Data, err = p.parseData(); err != nil {
return nil, err
}
if stmt.Echo, err = p.parseEcho(AFTER); err != nil {
return nil, err
}
if _, _, err = p.shouldBe(EOF, RPAREN, SEMICOLON); err != nil {
return nil, err
}
return
}