46 lines
1.3 KiB
Go
46 lines
1.3 KiB
Go
// Copyright 2023 Dolthub, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package ast
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import (
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vitess "github.com/dolthub/vitess/go/vt/sqlparser"
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"github.com/dolthub/doltgresql/postgres/parser/sem/tree"
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)
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// nodeRenameColumn handles *tree.RenameColumn nodes.
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func nodeRenameColumn(ctx *Context, node *tree.RenameColumn) (*vitess.AlterTable, error) {
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if node == nil {
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return nil, nil
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}
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tableName, err := nodeTableName(ctx, &node.Table)
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if err != nil {
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return nil, err
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}
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return &vitess.AlterTable{
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Table: tableName,
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Statements: []*vitess.DDL{
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{
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Action: vitess.AlterStr,
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ColumnAction: vitess.RenameStr,
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Table: tableName,
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Column: vitess.NewColIdent(string(node.Name)),
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ToColumn: vitess.NewColIdent(string(node.NewName)),
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IfExists: node.IfExists,
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},
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},
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}, nil
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}
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