Need to add bit types to global registry

Author: zachmu

server/types/bitstring.go server/types/bit.goserver/types/bitstring.go renamed to server/types/bit.go

@@ -61,6 +61,6 @@ func NewBitType(width int32) (*DoltgresType, error) {
 	if err != nil {
 		return nil, err
 	}
-	newType := *VarBit.WithAttTypMod(typmod)
+	newType := *Bit.WithAttTypMod(typmod)
 	return &newType, nil
 }

server/types/bit_array.go

@@ -0,0 +1,18 @@
+// Copyright 2025 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 types
+
+// BitArray is the array variant of VarBit.
+var BitArray = CreateArrayTypeFromBaseType(Bit)

server/types/globals.go

@@ -112,7 +112,7 @@ func GetAllBuitInTypes() []*DoltgresType {
 var IDToBuiltInDoltgresType = map[id.Type]*DoltgresType{
 	toInternal("_abstime"):         Unknown,
 	toInternal("_aclitem"):         Unknown,
-	toInternal("_bit"):             Unknown,
+	toInternal("_bit"):             BitArray,
 	toInternal("_bool"):            BoolArray,
 	toInternal("_box"):             Unknown,
 	toInternal("_bpchar"):          BpCharArray,
@@ -176,7 +176,7 @@ var IDToBuiltInDoltgresType = map[id.Type]*DoltgresType{
 	toInternal("_tsvector"):        Unknown,
 	toInternal("_txid_snapshot"):   Unknown,
 	toInternal("_uuid"):            UuidArray,
-	toInternal("_varbit"):          Unknown,
+	toInternal("_varbit"):          VarBitArray,
 	toInternal("_varchar"):         VarCharArray,
 	toInternal("_xid"):             XidArray,
 	toInternal("_xml"):             Unknown,
@@ -188,7 +188,7 @@ var IDToBuiltInDoltgresType = map[id.Type]*DoltgresType{
 	toInternal("anyenum"):          AnyEnum,
 	toInternal("anynonarray"):      AnyNonArray,
 	toInternal("anyrange"):         Unknown,
-	toInternal("bit"):              Unknown,
+	toInternal("bit"):              Bit,
 	toInternal("bool"):             Bool,
 	toInternal("box"):              Unknown,
 	toInternal("bpchar"):           BpChar,
@@ -272,7 +272,7 @@ var IDToBuiltInDoltgresType = map[id.Type]*DoltgresType{
 	toInternal("txid_snapshot"):    Unknown,
 	toInternal("unknown"):          Unknown,
 	toInternal("uuid"):             Uuid,
-	toInternal("varbit"):           Unknown,
+	toInternal("varbit"):           VarBit,
 	toInternal("varchar"):          VarChar,
 	toInternal("void"):             Void,
 	toInternal("xid"):              Xid,

server/types/varbitstring.go server/types/varbit.goserver/types/varbitstring.go renamed to server/types/varbit.go

@@ -0,0 +1,18 @@
+// Copyright 2025 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 types
+
+// VarBitArray is the array variant of VarBit.
+var VarBitArray = CreateArrayTypeFromBaseType(VarBit)