wehub-resource-sync
47 lines
1.4 KiB
Go
47 lines
1.4 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 functions
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import (
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"github.com/dolthub/go-mysql-server/sql"
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"github.com/dolthub/doltgresql/server/functions/framework"
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"github.com/dolthub/doltgresql/server/settings"
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pgtypes "github.com/dolthub/doltgresql/server/types"
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)
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// initCurrentSchema registers the functions to the catalog.
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func initCurrentSchema() {
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framework.RegisterFunction(current_schema)
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}
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// current_schema represents the PostgreSQL system information function of the same name, taking no parameters.
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var current_schema = framework.Function0{
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Name: "current_schema",
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Return: pgtypes.Name,
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IsNonDeterministic: true,
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Strict: true,
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Callable: func(ctx *sql.Context) (any, error) {
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schemas, err := settings.GetCurrentSchemas(ctx)
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if err != nil {
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return nil, err
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}
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if len(schemas) == 0 {
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return nil, nil
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}
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return schemas[0], nil
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},
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}
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