wehub-resource-sync
50 lines
1.7 KiB
Go
50 lines
1.7 KiB
Go
// Copyright 2024 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 core
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import (
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"github.com/dolthub/dolt/go/libraries/doltcore/sqle/resolve"
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"github.com/dolthub/go-mysql-server/sql"
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)
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// GetCurrentSchema returns the current schema used by the context. Defaults to "public" if the context does not specify
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// a schema.
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func GetCurrentSchema(ctx *sql.Context) (string, error) {
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_, root, err := GetRootFromContext(ctx)
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if err != nil {
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return "", nil
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}
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return resolve.FirstExistingSchemaOnSearchPath(ctx, root)
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}
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// GetSchemaName returns the schema name if there is any exist.
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// If the given schema is not empty, it's returned.
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// If it is empty, uses given database to get schema name if it's DatabaseSchema.
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// If it's not of DatabaseSchema type or the schema name of it is empty,
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// it tries retrieving the current schema used by the context.
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// Defaults to "public" if the context does not specify a schema.
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func GetSchemaName(ctx *sql.Context, db sql.Database, schemaName string) (string, error) {
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if schemaName == "" {
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if schema, isSch := db.(sql.DatabaseSchema); isSch {
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schemaName = schema.SchemaName()
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}
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if schemaName == "" {
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return GetCurrentSchema(ctx)
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}
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}
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return schemaName, nil
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}
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