wehub-resource-sync
55 lines
1.8 KiB
Go
55 lines
1.8 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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"github.com/dolthub/doltgresql/core"
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)
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// ValidateCreateSchema validates that CREATE SCHEMA is executed with a valid database context.
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// In PostgreSQL, schemas exist within databases, so CREATE SCHEMA requires an active database.
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// See: https://github.com/dolthub/doltgresql/issues/1863
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func ValidateCreateSchema(
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ctx *sql.Context,
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a *analyzer.Analyzer,
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n sql.Node,
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scope *plan.Scope,
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sel analyzer.RuleSelector,
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qFlags *sql.QueryFlags,
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) (sql.Node, transform.TreeIdentity, error) {
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cs, ok := n.(*plan.CreateSchema)
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if !ok {
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return n, transform.SameTree, nil
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}
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// Check if the current database actually has a working root.
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// GetRootFromContext will return sql.ErrDatabaseNotFound if the database
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// is not properly initialized.
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_, _, err := core.GetRootFromContext(ctx)
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if err != nil {
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if sql.ErrDatabaseNotFound.Is(err) {
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return nil, transform.SameTree, sql.ErrNoDatabaseSelected.New()
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}
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return nil, transform.SameTree, err
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}
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return cs, transform.SameTree, nil
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}
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