diff options
Diffstat (limited to 'sql/sql_yacc.yy')
| -rw-r--r-- | sql/sql_yacc.yy | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/sql/sql_yacc.yy b/sql/sql_yacc.yy index 426f6d4d057..8aad067944a 100644 --- a/sql/sql_yacc.yy +++ b/sql/sql_yacc.yy @@ -1817,7 +1817,19 @@ key_list: key_part: ident { $$=new key_part_spec($1.str); } - | ident '(' NUM ')' { $$=new key_part_spec($1.str,(uint) atoi($3.str)); }; + | ident '(' NUM ')' + { + int key_part_len= atoi($3.str); +#ifdef MYSQL_VERSION_ID < 50000 + if (!key_part_len) + { + my_printf_error(ER_UNKNOWN_ERROR, + "Key part '%s' length cannot be 0", + MYF(0), $1.str); + } +#endif + $$=new key_part_spec($1.str,(uint) key_part_len); + }; opt_ident: /* empty */ { $$=(char*) 0; } /* Defaultlength */ |