wehub-resource-sync
66 lines
2.3 KiB
Go
66 lines
2.3 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 information_schema
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import (
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"github.com/dolthub/dolt/go/libraries/doltcore/doltdb"
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"github.com/dolthub/go-mysql-server/sql"
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"github.com/dolthub/go-mysql-server/sql/information_schema"
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"github.com/dolthub/go-mysql-server/sql/mysql_db"
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)
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// allDatabasesWithNames returns the current database(s) and their catalog and schema names.
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func allDatabasesWithNames(ctx *sql.Context, cat sql.Catalog, privCheck bool) ([]information_schema.DbWithNames, error) {
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var dbs []information_schema.DbWithNames
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currentDB := ctx.GetCurrentDatabase()
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currentRevDB, _ := doltdb.SplitRevisionDbName(currentDB)
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allDbs := cat.AllDatabases(ctx)
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for _, db := range allDbs {
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// Always unwrap PrivilegedDatabase to reach the underlying SchemaDatabase implementation.
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// PrivilegedDatabase does not implement sql.SchemaDatabase; unwrapping is required for
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// schema iteration regardless of privilege-check mode.
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if privDatabase, ok := db.(mysql_db.PrivilegedDatabase); ok {
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db = privDatabase.Unwrap()
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}
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sdb, ok := db.(sql.SchemaDatabase)
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if ok {
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var dbsForSchema []information_schema.DbWithNames
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schemas, err := sdb.AllSchemas(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 schemas {
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dbName := db.Name()
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revDb, _ := doltdb.SplitRevisionDbName(dbName)
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// Add database it is the current database/revision database and if SchemaName exists
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if schema.SchemaName() != "" && (dbName == currentDB || revDb == currentRevDB) {
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dbsForSchema = append(dbsForSchema, information_schema.DbWithNames{
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Database: schema,
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CatalogName: schema.Name(),
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SchemaName: schema.SchemaName(),
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})
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}
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}
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dbs = append(dbs, dbsForSchema...)
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}
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}
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return dbs, nil
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}
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