chore: import upstream snapshot with attribution

core/id/cache_database_defaults.go

@@ -0,0 +1,22 @@
+// Copyright 2024 Dolthub, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package id
+
+// This adds all of the built-in databases to the cache.
+func init() {
+	globalCache.setBuiltIn(NewId(Section_Database, "template1"), 1)
+	globalCache.setBuiltIn(NewId(Section_Database, "template0"), 4)
+	globalCache.setBuiltIn(NewId(Section_Database, "postgres"), 5)
+}