fix_date_sub_function_arg2_need_keyword_INTERVAL (#226)

script/download.sh

@@ -1,2 +1,2 @@
-wget https://github.com/DTC8/sql-parser/releases/download/hsql.plus-2d5c6a1/hsql.plus-2d5c6a1.tar.gz -O hsql.tar.gz
+wget https://github.com/DTC8/sql-parser/releases/download/hsql.plus-811c4c1/hsql.plus-811c4c1.tar.gz -O hsql.tar.gz