wehub-resource-sync
37 lines
1.5 KiB
Go
37 lines
1.5 KiB
Go
// Copyright 2025 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 analyzer
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import (
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"github.com/dolthub/go-mysql-server/sql"
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"github.com/dolthub/go-mysql-server/sql/analyzer"
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"github.com/dolthub/go-mysql-server/sql/plan"
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"github.com/dolthub/go-mysql-server/sql/transform"
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pgnodes "github.com/dolthub/doltgresql/server/node"
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)
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// ReplaceNode is used to replace generic top-level nodes with Doltgres versions that wrap them, without performing any
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// additional analysis. This is used to handle relatively straightforward tasks, like delete cascading, etc.
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func ReplaceNode(ctx *sql.Context, a *analyzer.Analyzer, node sql.Node, scope *plan.Scope, selector analyzer.RuleSelector, qFlags *sql.QueryFlags) (sql.Node, transform.TreeIdentity, error) {
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// TODO: need to add the majority of other DDL operations here
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switch node := node.(type) {
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case *plan.DropTable:
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return pgnodes.NewDropTable(node), transform.NewTree, nil
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default:
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return node, transform.SameTree, nil
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}
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}
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