0dc9ad339c
It is now possible to run multiple query expressions when an event on a table has occured. Query expressions can be separated with a semicolon, and will be run in the same transaction as the main query.
79 lines
1.7 KiB
Go
79 lines
1.7 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) parseDefineEventStatement() (stmt *DefineEventStatement, err error) {
|
|
|
|
stmt = &DefineEventStatement{}
|
|
|
|
if stmt.KV, stmt.NS, stmt.DB, err = p.o.get(AuthDB); err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
if stmt.Name, err = p.parseIdent(); err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
if _, _, err = p.shouldBe(ON); err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
if stmt.What, err = p.parseTables(); err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
if _, _, err = p.shouldBe(WHEN); err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
if stmt.When, err = p.parseExpr(); err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
if _, _, err = p.shouldBe(THEN); err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
if stmt.Then, err = p.parseMult(); err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
return
|
|
|
|
}
|
|
|
|
func (p *parser) parseRemoveEventStatement() (stmt *RemoveEventStatement, err error) {
|
|
|
|
stmt = &RemoveEventStatement{}
|
|
|
|
if stmt.KV, stmt.NS, stmt.DB, err = p.o.get(AuthDB); err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
if stmt.Name, err = p.parseIdent(); err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
if _, _, err = p.shouldBe(ON); err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
if stmt.What, err = p.parseTables(); err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
return
|
|
|
|
}
|