Files
2026-07-13 12:32:25 +08:00

45 lines
1.4 KiB
Go

// Copyright 2024 Dolthub, Inc.
//
// 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 ast
import (
"github.com/cockroachdb/errors"
vitess "github.com/dolthub/vitess/go/vt/sqlparser"
"github.com/dolthub/doltgresql/postgres/parser/sem/tree"
pgnodes "github.com/dolthub/doltgresql/server/node"
)
// nodeDropTrigger handles *tree.DropTrigger nodes.
func nodeDropTrigger(ctx *Context, node *tree.DropTrigger) (vitess.Statement, error) {
switch node.DropBehavior {
case tree.DropDefault:
// Default behavior, nothing to do
case tree.DropRestrict:
return nil, errors.Errorf("RESTRICT is not yet supported")
case tree.DropCascade:
return nil, errors.Errorf("CASCADE is not yet supported")
}
return vitess.InjectedStatement{
Statement: pgnodes.NewDropTrigger(
node.IfExists,
node.Name.String(),
node.OnTable.Schema(),
node.OnTable.Table(),
node.DropBehavior == tree.DropCascade),
Children: nil,
}, nil
}