hsql updated, supporting INSERT INTO SET (#206)

* hsql.plus-0ca1fb6

* download hsql.

script/download.sh

@@ -1 +1 @@
-wget https://github.com/DTC8/sql-parser/releases/download/hsql.plus-eda6288/hsql.plus-eda6288.tar.gz -O hsql.tar.gz
+wget https://github.com/DTC8/sql-parser/releases/download/hsql.plus-0ca1fb6/hsql.plus-0ca1fb6.tar.gz -O hsql.tar.gz

src/libs/hsql/include/parser/flex_lexer.h

@@ -730,7 +730,7 @@ extern int yylex \
 #undef yyTABLES_NAME
 #endif
 
-#line 278 "flex_lexer.l"
+#line 272 "flex_lexer.l"
 
 
 #line 737 "flex_lexer.h"

src/libs/hsql/include/sql/SQLStatement.h

@@ -6,6 +6,7 @@
 #include "Expr.h"
 
 namespace hsql {
+
 enum StatementType {
   kStmtError,  // unused
   kStmtSelect,