SHOWの代わりにSHWOとtypoしても解釈してくれるSQLパーサー

mysql-5.7.13_shwo.patch

*** sql/sql_yacc.yy.orig        2016-05-25 14:50:36.000000000 +0900
--- sql/sql_yacc.yy     2016-07-26 19:05:41.391000493 +0900
***************
*** 983,984 ****
--- 983,985 ----
  %token  SHOW
+ %token  SHWO
  %token  SHUTDOWN
***************
*** 1311,1313 ****
          truncate rename
!         show describe load alter optimize keycache preload flush
          reset purge begin commit rollback savepoint release
--- 1312,1314 ----
          truncate rename
!         show shwo describe load alter optimize keycache preload flush
          reset purge begin commit rollback savepoint release
***************
*** 1407,1409 ****

! %type<NONE> SHOW DESC DESCRIBE describe_command

--- 1408,1410 ----

! %type<NONE> SHOW SHWO DESC DESCRIBE describe_command

***************
*** 1692,1693 ****
--- 1693,1695 ----
          | show
+         | shwo
          | shutdown_stmt         { MAKE_CMD($1); }
***************
*** 11770,11771 ****
--- 11772,11783 ----

+ shwo:
+           SHWO
+           {
+             LEX *lex=Lex;
+             memset(&lex->create_info, 0, sizeof(lex->create_info));
+           }
+           show_param
+         ;
+
+
  show_param:
*** sql/lex.h.orig      2016-07-26 19:09:18.502000698 +0900
--- sql/lex.h   2016-07-26 19:04:51.805000493 +0900
***************
*** 543,544 ****
--- 543,545 ----
    { SYM("SHOW",                     SHOW)},
+   { SYM("SHWO",                     SHOW)},
    { SYM("SHUTDOWN",                 SHUTDOWN)},