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Fix for

Browse Source 
bug#33094: Error in upgrading from 5.0 to 5.1 when table contains
triggers
and
#41385: Crash when attempting to repair a #mysql50# upgraded table
with triggers.

Problem:
1. trigger code didn't assume a table name may have
a "#mysql50#" prefix, that may lead to a failing ASSERT().
2. "ALTER DATABASE ... UPGRADE DATA DIRECTORY NAME" failed
for databases with "#mysql50#" prefix if any trigger.
3. mysqlcheck --fix-table-name didn't use UTF8 as a default
character set that resulted in (parsing) errors for tables with
non-latin symbols in their names and definitions of triggers.

Fix:
1. properly handle table/database names with "#mysql50#" prefix.
2. handle --default-character-set mysqlcheck option;
if mysqlcheck is launched with --fix-table-name or --fix-db-name
set default character set to UTF8 if no --default-character-set
option given.

Note: if given --fix-table-name or --fix-db-name option,
without --default-character-set mysqlcheck option
default character set is UTF8.
This commit is contained in:
Ramil Kalimullin
2009-01-14 18:50:51 +04:00
parent 2c1cf1a0ed
commit 347762946e
7 changed files with 241 additions and 40 deletions
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1
sql/mysql_priv.h
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@ -2230,6 +2230,7 @@ uint strconvert(CHARSET_INFO *from_cs, const char *from,
CHARSET_INFO *to_cs, char *to, uint to_length, uint *errors);
uint filename_to_tablename(const char *from, char *to, uint to_length);
uint tablename_to_filename(const char *from, char *to, uint to_length);
uint check_n_cut_mysql50_prefix(const char *from, char *to, uint to_length);
#endif /* MYSQL_SERVER || INNODB_COMPATIBILITY_HOOKS */
#ifdef MYSQL_SERVER
uint build_table_filename(char *buff, size_t bufflen, const char *db,