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Merge 4.1 into 5.0

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BitKeeper/etc/ignore:
  auto-union
BitKeeper/etc/logging_ok:
  auto-union
client/mysql.cc:
  Auto merged
client/mysqltest.c:
  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
myisam/mi_check.c:
  Auto merged
myisam/myisamchk.c:
  Auto merged
myisam/myisamdef.h:
  Auto merged
mysql-test/r/insert.result:
  Auto merged
mysql-test/r/variables.result:
  Auto merged
mysql-test/t/insert.test:
  Auto merged
mysql-test/t/variables.test:
  Auto merged
mysys/my_pthread.c:
  Auto merged
scripts/mysql_install_db.sh:
  Auto merged
sql/Makefile.am:
  Auto merged
sql/filesort.cc:
  Auto merged
sql/ha_innodb.cc:
  Auto merged
sql/ha_myisam.cc:
  Auto merged
sql/item_cmpfunc.cc:
  Auto merged
sql/item_create.cc:
  Auto merged
sql/item_func.h:
  Auto merged
sql/lex.h:
  Auto merged
sql/log_event.cc:
  Auto merged
sql/mysql_priv.h:
  Auto merged
sql/protocol.cc:
  Auto merged
sql/records.cc:
  Auto merged
sql/repl_failsafe.cc:
  Auto merged
sql/set_var.cc:
  Auto merged
sql/slave.cc:
  Auto merged
sql/sql_acl.cc:
  Auto merged
sql/sql_base.cc:
  Auto merged
sql/sql_class.cc:
  Auto merged
sql/sql_db.cc:
  Auto merged
sql/sql_derived.cc:
  Auto merged
sql/sql_insert.cc:
  Auto merged
sql/sql_lex.cc:
  Auto merged
sql/sql_load.cc:
  Auto merged
sql/sql_rename.cc:
  Auto merged
sql/sql_repl.cc:
  Auto merged
sql/sql_repl.h:
  Auto merged
sql/sql_select.cc:
  Auto merged
sql/sql_show.cc:
  Auto merged
This commit is contained in:
unknown
2003-08-26 11:51:09 +02:00
parent 3b799e8fd8 970f1abbdb
commit 138f0adf2d
126 changed files with 7642 additions and 1083 deletions
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25
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;
@ -897,7 +897,7 @@ 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;
@ -905,11 +905,16 @@ 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;
@ -1000,7 +1005,7 @@ 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
}
@ -1009,7 +1014,7 @@ 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
}
if (check_tables && !handler::caching_allowed(thd, table->db(),
@ -1019,7 +1024,7 @@ 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
@ -2959,7 +2964,7 @@ 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();