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Merging 4.1->5.0.

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BitKeeper/etc/ignore:
  auto-union
BitKeeper/etc/logging_ok:
  auto-union
BitKeeper/triggers/post-commit:
  Auto merged
client/mysql.cc:
  Auto merged
configure.in:
  Auto merged
include/my_global.h:
  Auto merged
include/my_pthread.h:
  Auto merged
include/mysql_com.h:
  Auto merged
libmysql/libmysql.c:
  Auto merged
libmysqld/Makefile.am:
  Auto merged
libmysqld/lib_sql.cc:
  Auto merged
myisam/mi_check.c:
  Auto merged
myisam/myisamchk.c:
  Auto merged
myisam/myisamdef.h:
  Auto merged
mysql-test/r/rpl_temporary.result:
  Auto merged
mysql-test/r/show_check.result:
  Auto merged
mysql-test/r/subselect.result:
  Auto merged
mysql-test/r/variables.result:
  Auto merged
mysql-test/t/subselect.test:
  Auto merged
mysql-test/t/variables.test:
  Auto merged
scripts/mysql_install_db.sh:
  Auto merged
sql/Makefile.am:
  Auto merged
sql/ha_berkeley.cc:
  Auto merged
sql/ha_innodb.cc:
  Auto merged
sql/ha_myisam.cc:
  Auto merged
sql/handler.cc:
  Auto merged
sql/handler.h:
  Auto merged
sql/item_subselect.cc:
  Auto merged
sql/item_sum.cc:
  Auto merged
sql/item_sum.h:
  Auto merged
sql/mysql_priv.h:
  Auto merged
sql/mysqld.cc:
  Auto merged
sql/slave.cc:
  Auto merged
sql/sql_acl.cc:
  Auto merged
sql/sql_base.cc:
  Auto merged
sql/sql_cache.cc:
  Auto merged
sql/sql_db.cc:
  Auto merged
sql/sql_delete.cc:
  Auto merged
sql/sql_lex.cc:
  Auto merged
sql/sql_prepare.cc:
  Auto merged
sql/sql_repl.cc:
  Auto merged
sql/sql_show.cc:
  Auto merged
sql/sql_table.cc:
  Auto merged
sql/sql_union.cc:
  Auto merged
sql/sql_update.cc:
  Auto merged
sql/table.h:
  Auto merged
This commit is contained in:
unknown
2003-11-19 15:19:46 +01:00
parent b52b44f897 bd2263503d
commit 214ad82803
136 changed files with 12043 additions and 1194 deletions
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27
sql/sql_cache.cc
View File

@ -761,7 +761,7 @@ void Query_cache::store_query(THD *thd, TABLE_LIST *tables_used)
uint8 tables_type= 0;
if ((local_tables= is_cacheable(thd, thd->query_length,
thd->query, &thd->lex, tables_used,
thd->query, thd->lex, tables_used,
&tables_type)))
{
NET *net= &thd->net;
@ -913,7 +913,7 @@ Query_cache::send_result_to_client(THD *thd, char *sql, uint query_length)
/* Check that we haven't forgot to reset the query cache variables */
DBUG_ASSERT(thd->net.query_cache_query == 0);
if (!thd->lex.safe_to_cache_query)
if (!thd->lex->safe_to_cache_query)
{
DBUG_PRINT("qcache", ("SELECT is non-cacheable"));
goto err;
@ -921,11 +921,16 @@ Query_cache::send_result_to_client(THD *thd, char *sql, uint query_length)
/*
Test if the query is a SELECT
(pre-space is removed in dispatch_command)
(pre-space is removed in dispatch_command).
First '/' looks like comment before command it is not
frequently appeared in real lihe, consequently we can
check all such queries, too.
*/
if (my_toupper(system_charset_info, sql[0]) != 'S' ||
my_toupper(system_charset_info, sql[1]) != 'E' ||
my_toupper(system_charset_info,sql[2]) !='L')
if ((my_toupper(system_charset_info, sql[0]) != 'S' ||
my_toupper(system_charset_info, sql[1]) != 'E' ||
my_toupper(system_charset_info,sql[2]) !='L') &&
sql[0] != '/')
{
DBUG_PRINT("qcache", ("The statement is not a SELECT; Not cached"));
goto err;
@ -1018,7 +1023,7 @@ Query_cache::send_result_to_client(THD *thd, char *sql, uint query_length)
table_list.db, table_list.alias));
refused++; // This is actually a hit
STRUCT_UNLOCK(&structure_guard_mutex);
thd->lex.safe_to_cache_query=0; // Don't try to cache this
thd->lex->safe_to_cache_query=0; // Don't try to cache this
BLOCK_UNLOCK_RD(query_block);
DBUG_RETURN(-1); // Privilege error
}
@ -1027,7 +1032,7 @@ Query_cache::send_result_to_client(THD *thd, char *sql, uint query_length)
DBUG_PRINT("qcache", ("Need to check column privileges for %s.%s",
table_list.db, table_list.alias));
BLOCK_UNLOCK_RD(query_block);
thd->lex.safe_to_cache_query= 0; // Don't try to cache this
thd->lex->safe_to_cache_query= 0; // Don't try to cache this
goto err_unlock; // Parse query
}
#endif /*!NO_EMBEDDED_ACCESS_CHECKS*/
@ -1038,7 +1043,7 @@ Query_cache::send_result_to_client(THD *thd, char *sql, uint query_length)
DBUG_PRINT("qcache", ("Handler does not allow caching for %s.%s",
table_list.db, table_list.alias));
BLOCK_UNLOCK_RD(query_block);
thd->lex.safe_to_cache_query= 0; // Don't try to cache this
thd->lex->safe_to_cache_query= 0; // Don't try to cache this
goto err_unlock; // Parse query
}
else
@ -2593,7 +2598,7 @@ my_bool Query_cache::ask_handler_allowance(THD *thd,
{
DBUG_PRINT("qcache", ("Handler does not allow caching for %s.%s",
tables_used->db, tables_used->alias));
thd->lex.safe_to_cache_query= 0; // Don't try to cache this
thd->lex->safe_to_cache_query= 0; // Don't try to cache this
DBUG_RETURN(1);
}
}
@ -3033,7 +3038,7 @@ void Query_cache::wreck(uint line, const char *message)
DBUG_PRINT("warning", ("%5d QUERY CACHE WRECK => DISABLED",line));
DBUG_PRINT("warning", ("=================================="));
if (thd)
thd->killed = 1;
thd->killed= THD::KILL_CONNECTION;
cache_dump();
/* check_integrity(0); */ /* Can't call it here because of locks */
bins_dump();