} else if (stmt instanceof CreateSequenceNode) {
SequenceDDL.createSequence(ddlFunctions, session, defaultSchema, (CreateSequenceNode)stmt);
} else if (stmt instanceof CreateAliasNode) {
RoutineDDL.createRoutine(ddlFunctions, new MockRoutineLoader(), session, defaultSchema, (CreateAliasNode)stmt);
} else if (stmt instanceof AlterTableNode) {
AlterTableNode atNode = (AlterTableNode) stmt;
assert !atNode.isTruncateTable() : "TRUNCATE not supported";
AlterTableDDL.alterTable(ddlFunctions,
null /* DMLFunctions */,
session,
defaultSchema,
(AlterTableNode)stmt,