Support ENCODING in CREATE DATABASE

server/ast/create_database.go

@@ -24,17 +24,19 @@ import (
 
 // nodeCreateDatabase handles *tree.CreateDatabase nodes.
 func nodeCreateDatabase(ctx *Context, node *tree.CreateDatabase) (*vitess.DBDDL, error) {
-	if len(node.Owner) > 0 {
-		return nil, errors.Errorf("OWNER clause is not yet supported")
-	}
+	var charsets []*vitess.CharsetAndCollate
+
 	if len(node.Template) > 0 {
 		// TODO: special casing "template0", as some tests make use of it and we need them to pass for now
 		if node.Template != "template0" {
 			return nil, errors.Errorf("TEMPLATE clause is not yet supported")
 		}
 	}
 	if len(node.Encoding) > 0 {
-		return nil, errors.Errorf("ENCODING clause is not yet supported")
+		charsets = append(charsets, &vitess.CharsetAndCollate{
+			Type:  "CHARACTER SET",
+			Value: node.Encoding,
+		})
 	}
 	if len(node.Strategy) > 0 {
 		return nil, errors.Errorf("STRATEGY clause is not yet supported")
@@ -85,5 +87,6 @@ func nodeCreateDatabase(ctx *Context, node *tree.CreateDatabase) (*vitess.DBDDL,
 		SchemaOrDatabase: "database",
 		DBName:           node.Name.String(),
 		IfNotExists:      node.IfNotExists,
+		CharsetCollate:   charsets,
 	}, nil
 }

testing/go/create_database_test.go

@@ -0,0 +1,65 @@
+// 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 _go
+
+import "testing"
+
+func TestCreateDatabase(t *testing.T) {
+	RunScripts(t, []ScriptTest{
+		{
+			Name: "simple create database",
+			Assertions: []ScriptTestAssertion{
+				{
+					Query: "CREATE DATABASE testdb",
+				},
+				{
+					Query: "USE testdb",
+				},
+			},
+		},
+		{
+			Name: "encoding",
+			Assertions: []ScriptTestAssertion{
+				{
+					Query: "CREATE DATABASE testdb encoding=utf8",
+				},
+				{
+					Query: "USE testdb",
+				},
+				{
+					Query: "CREATE DATABASE testdb2 encoding=latin1",
+				},
+				{
+					Query: "USE testdb2",
+				},
+				{
+					Query:       "CREATE DATABASE testdb encoding=notexist",
+					ExpectedErr: "Unknown character set: notexist",
+				},
+			},
+		},
+		{
+			Name: "multiple options",
+			Assertions: []ScriptTestAssertion{
+				{
+					Query: "CREATE DATABASE testdb OWNER=foo ENCODING=utf8",
+				},
+				{
+					Query: "USE testdb",
+				},
+			},
+		},
+	})
+}