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MDEV-7387 [PATCH] Alter table xxx CHARACTER SET utf8, CONVERT TO CHARACTER SET latin1 should fail

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A contribution from Daniel Black, with minor additional enhancements.
This commit is contained in:
Alexander Barkov
2015-03-13 16:12:54 +04:00
parent 702fdc52fa
commit bc902a2bfc
5 changed files with 117 additions and 15 deletions
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19
sql/handler.cc
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@ -6296,3 +6296,22 @@ fl_create_iterator(enum handler_iterator_type type,
}
}
#endif /*TRANS_LOG_MGM_EXAMPLE_CODE*/
bool HA_CREATE_INFO::check_conflicting_charset_declarations(CHARSET_INFO *cs)
{
if ((used_fields & HA_CREATE_USED_DEFAULT_CHARSET) &&
/* DEFAULT vs explicit, or explicit vs DEFAULT */
(((default_table_charset == NULL) != (cs == NULL)) ||
/* Two different explicit character sets */
(default_table_charset && cs &&
!my_charset_same(default_table_charset, cs))))
{
my_error(ER_CONFLICTING_DECLARATIONS, MYF(0),
"CHARACTER SET ", default_table_charset ?
default_table_charset->csname : "DEFAULT",
"CHARACTER SET ", cs ? cs->csname : "DEFAULT");
return true;
}
return false;
}