Files
dolthub--doltgresql/server/ast/delete.go
T
2026-07-13 12:32:25 +08:00

70 lines
1.8 KiB
Go

// Copyright 2023 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 (
vitess "github.com/dolthub/vitess/go/vt/sqlparser"
"github.com/dolthub/doltgresql/postgres/parser/sem/tree"
"github.com/dolthub/doltgresql/server/auth"
)
// nodeDelete handles *tree.Delete nodes.
func nodeDelete(ctx *Context, node *tree.Delete) (*vitess.Delete, error) {
if node == nil {
return nil, nil
}
ctx.Auth().PushAuthType(auth.AuthType_DELETE)
defer ctx.Auth().PopAuthType()
var returningExprs vitess.SelectExprs
if returning, ok := node.Returning.(*tree.ReturningExprs); ok {
var err error
returningExprs, err = nodeSelectExprs(ctx, tree.SelectExprs(*returning))
if err != nil {
return nil, err
}
}
with, err := nodeWith(ctx, node.With)
if err != nil {
return nil, err
}
table, err := nodeTableExpr(ctx, node.Table)
if err != nil {
return nil, err
}
where, err := nodeWhere(ctx, node.Where)
if err != nil {
return nil, err
}
orderBy, err := nodeOrderBy(ctx, node.OrderBy)
if err != nil {
return nil, err
}
limit, err := nodeLimit(ctx, node.Limit)
if err != nil {
return nil, err
}
return &vitess.Delete{
TableExprs: vitess.TableExprs{table},
With: with,
Where: where,
OrderBy: orderBy,
Limit: limit,
Returning: returningExprs,
}, nil
}