chore: import upstream snapshot with attribution

server/functions/domain.go

@@ -0,0 +1,60 @@
+// 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 functions
+
+import (
+	"github.com/dolthub/go-mysql-server/sql"
+
+	"github.com/dolthub/doltgresql/core/id"
+
+	"github.com/dolthub/doltgresql/server/functions/framework"
+	pgtypes "github.com/dolthub/doltgresql/server/types"
+)
+
+// initDomain registers the functions to the catalog.
+func initDomain() {
+	framework.RegisterFunction(domain_in)
+	framework.RegisterFunction(domain_recv)
+}
+
+// domain_in represents the PostgreSQL function of domain type IO input.
+var domain_in = framework.Function3{
+	Name:       "domain_in",
+	Return:     pgtypes.Any,
+	Parameters: [3]*pgtypes.DoltgresType{pgtypes.Cstring, pgtypes.Oid, pgtypes.Int32},
+	Callable: func(ctx *sql.Context, _ [4]*pgtypes.DoltgresType, val1, val2, val3 any) (any, error) {
+		str := val1.(string)
+		baseTypeOid := val2.(id.Id)
+		t := pgtypes.IDToBuiltInDoltgresType[id.Type(baseTypeOid)]
+		typmod := val3.(int32)
+		t = t.WithAttTypMod(typmod)
+		return t.IoInput(ctx, str)
+	},
+}
+
+// domain_recv represents the PostgreSQL function of domain type IO receive.
+var domain_recv = framework.Function3{
+	Name:       "domain_recv",
+	Return:     pgtypes.Any,
+	Parameters: [3]*pgtypes.DoltgresType{pgtypes.Internal, pgtypes.Oid, pgtypes.Int32},
+	Callable: func(ctx *sql.Context, _ [4]*pgtypes.DoltgresType, val1, val2, val3 any) (any, error) {
+		data := val1.([]byte)
+		baseTypeOid := val2.(id.Id)
+		t := pgtypes.IDToBuiltInDoltgresType[id.Type(baseTypeOid)]
+		typmod := val3.(int32)
+		t = t.WithAttTypMod(typmod)
+		return t.DeserializeValue(ctx, data)
+	},
+}