diff --git a/go.mod b/go.mod
index 9b33f97940..6573ead136 100644
--- a/go.mod
+++ b/go.mod
@@ -9,7 +9,7 @@ require (
 	github.com/dolthub/dolt/go v0.40.5-0.20251213003033-5aae073ad198
 	github.com/dolthub/eventsapi_schema v0.0.0-20250915094920-eadfd39051ca
 	github.com/dolthub/flatbuffers/v23 v23.3.3-dh.2
-	github.com/dolthub/go-mysql-server v0.20.1-0.20251212235309-4422a1ca9f43
+	github.com/dolthub/go-mysql-server v0.20.1-0.20251215235453-b3613827cc44
 	github.com/dolthub/pg_query_go/v6 v6.0.0-20251215122834-fb20be4254d1
 	github.com/dolthub/sqllogictest/go v0.0.0-20240618184124-ca47f9354216
 	github.com/dolthub/vitess v0.0.0-20251210200925-1d33d416d162
diff --git a/go.sum b/go.sum
index 111474beb6..40707b3d09 100644
--- a/go.sum
+++ b/go.sum
@@ -240,6 +240,10 @@ github.com/dolthub/go-icu-regex v0.0.0-20250916051405-78a38d478790 h1:zxMsH7RLiG
 github.com/dolthub/go-icu-regex v0.0.0-20250916051405-78a38d478790/go.mod h1:F3cnm+vMRK1HaU6+rNqQrOCyR03HHhR1GWG2gnPOqaE=
 github.com/dolthub/go-mysql-server v0.20.1-0.20251212235309-4422a1ca9f43 h1:3OiTNnL3rFiSXGo7/xTt64FmJGtGU1igvyPishbsM4o=
 github.com/dolthub/go-mysql-server v0.20.1-0.20251212235309-4422a1ca9f43/go.mod h1:NjewWKoa5bVSLdKwL7fg7eAfrcIxDybWUKoWEHWRTw4=
+github.com/dolthub/go-mysql-server v0.20.1-0.20251215224112-7cb4535802a5 h1:gjUTlYUVTWnKoZBizqLQzWL/rxwT4ZC8IGt49pzpCQg=
+github.com/dolthub/go-mysql-server v0.20.1-0.20251215224112-7cb4535802a5/go.mod h1:NjewWKoa5bVSLdKwL7fg7eAfrcIxDybWUKoWEHWRTw4=
+github.com/dolthub/go-mysql-server v0.20.1-0.20251215235453-b3613827cc44 h1:/e1XKLp5D200IwFq7uKAFgza30NuNTmbpD7VgcrAqhI=
+github.com/dolthub/go-mysql-server v0.20.1-0.20251215235453-b3613827cc44/go.mod h1:NjewWKoa5bVSLdKwL7fg7eAfrcIxDybWUKoWEHWRTw4=
 github.com/dolthub/gozstd v0.0.0-20240423170813-23a2903bca63 h1:OAsXLAPL4du6tfbBgK0xXHZkOlos63RdKYS3Sgw/dfI=
 github.com/dolthub/gozstd v0.0.0-20240423170813-23a2903bca63/go.mod h1:lV7lUeuDhH5thVGDCKXbatwKy2KW80L4rMT46n+Y2/Q=
 github.com/dolthub/ishell v0.0.0-20240701202509-2b217167d718 h1:lT7hE5k+0nkBdj/1UOSFwjWpNxf+LCApbRHgnCA17XE=
diff --git a/server/types/type.go b/server/types/type.go
index d638d9d468..4f5ea07f5a 100644
--- a/server/types/type.go
+++ b/server/types/type.go
@@ -625,12 +625,7 @@ func (t *DoltgresType) MaxCharacterLength() int64 {
 
 // IsNumericType implements the sql.NumberType interface.
 func (t *DoltgresType) IsNumericType() bool {
-	switch t.TypCategory {
-	case TypeCategory_NumericTypes:
-		return true
-	default:
-		return false
-	}
+	return t.TypCategory == TypeCategory_NumericTypes
 }
 
 // IsFloat implements the sql.NumberType interface.
@@ -663,6 +658,11 @@ func (t *DoltgresType) DisplayWidth() int {
 	}
 }
 
+// IsStringType implements the sql.StringType interface.
+func (t *DoltgresType) IsStringType() bool {
+	return t.TypCategory == TypeCategory_StringTypes
+}
+
 // MaxSerializedWidth implements the types.ExtendedType interface.
 func (t *DoltgresType) MaxSerializedWidth() sql.ExtendedTypeSerializedWidth {
 	if t.TypLength < 0 {