if (lexer.token() == Token.PARTITIONED) {
lexer.nextToken();
accept(Token.BY);
accept(Token.LPAREN);
PartitionedBy partitionedBy = new PartitionedBy();
partitionedBy.setName(exprParser.name().toString());
partitionedBy.setType(exprParser.parseDataType());
accept(Token.RPAREN);
stmt.setPartitionedBy(partitionedBy);
}