wehub-resource-sync
53 lines
1.7 KiB
Go
53 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 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/postgres/parser/sessiondata"
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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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// initCurrentSchemas registers the functions to the catalog.
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func initCurrentSchemas() {
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framework.RegisterFunction(current_schemas)
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}
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// current_schemas represents the PostgreSQL system information function taking a bool parameter.
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var current_schemas = framework.Function1{
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Name: "current_schemas",
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Return: pgtypes.NameArray,
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Parameters: [1]*pgtypes.DoltgresType{pgtypes.Bool},
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IsNonDeterministic: true,
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Strict: true,
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Callable: func(ctx *sql.Context, _ [2]*pgtypes.DoltgresType, val any) (any, error) {
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schemas := make([]any, 0)
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if val.(bool) {
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schemas = append(schemas, sessiondata.PgCatalogName)
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}
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searchPaths, 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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for _, schema := range searchPaths {
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schemas = append(schemas, schema)
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}
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return schemas, nil
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},
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}
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