database/mariadb
1
0
Fork 0
mirror of https://github.com/MariaDB/server.git synced 2025-08-08 11:22:35 +03:00
Code Activity

store SERVER_MORE_RESULTS_EXISTS in key of query cache (BUG#6897)

Browse Source 
mysql-test/r/query_cache.result:
  query in QC from normal execution and SP
mysql-test/t/query_cache.test:
  environment restoring fix
  layout fix
  query in QC from normal execution and SP
sql/mysql_priv.h:
  store SERVER_MORE_RESULTS_EXISTS
sql/sql_cache.cc:
  store SERVER_MORE_RESULTS_EXISTS in key of query cache
BitKeeper/etc/config:
  switching logging off
This commit is contained in:
unknown
2005-07-23 07:51:25 +03:00
parent 5ae1fd9d0d
commit cebe1b5db7
5 changed files with 163 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files

46
sql/sql_cache.cc
View File

@@ -775,10 +775,11 @@ void Query_cache::store_query(THD *thd, TABLE_LIST *tables_used)
Query_cache_query_flags flags;
// fill all gaps between fields with 0 to get repeatable key
bzero(&flags, QUERY_CACHE_FLAGS_SIZE);
flags.client_long_flag= (thd->client_capabilities & CLIENT_LONG_FLAG ?
1 : 0);
flags.client_protocol_41= (thd->client_capabilities & CLIENT_PROTOCOL_41 ?
1 : 0);
flags.client_long_flag= test(thd->client_capabilities & CLIENT_LONG_FLAG);
flags.client_protocol_41= test(thd->client_capabilities &
CLIENT_PROTOCOL_41);
flags.more_results_exists= test(thd->server_status &
SERVER_MORE_RESULTS_EXISTS);
flags.character_set_client_num=
thd->variables.character_set_client->number;
flags.character_set_results_num=
@@ -792,6 +793,20 @@ void Query_cache::store_query(THD *thd, TABLE_LIST *tables_used)
flags.sql_mode= thd->variables.sql_mode;
flags.max_sort_length= thd->variables.max_sort_length;
flags.group_concat_max_len= thd->variables.group_concat_max_len;
DBUG_PRINT("qcache", ("long %d, 4.1: %d, more results %d, \
CS client: %u, CS result: %u, CS conn: %u, limit: %lu, TZ: 0x%lx, \
sql mode: 0x%lx, sort len: %lu, conncat len: %lu",
(int)flags.client_long_flag,
(int)flags.client_protocol_41,
(int)flags.more_results_exists,
flags.character_set_client_num,
flags.character_set_results_num,
flags.collation_connection_num,
flags.limit,
(ulong)flags.time_zone,
flags.sql_mode,
flags.max_sort_length,
flags.group_concat_max_len));
STRUCT_LOCK(&structure_guard_mutex);
if (query_cache_size == 0)
@@ -974,10 +989,11 @@ Query_cache::send_result_to_client(THD *thd, char *sql, uint query_length)
// fill all gaps between fields with 0 to get repeatable key
bzero(&flags, QUERY_CACHE_FLAGS_SIZE);
flags.client_long_flag= (thd->client_capabilities & CLIENT_LONG_FLAG ?
1 : 0);
flags.client_protocol_41= (thd->client_capabilities & CLIENT_PROTOCOL_41 ?
1 : 0);
flags.client_long_flag= test(thd->client_capabilities & CLIENT_LONG_FLAG);
flags.client_protocol_41= test(thd->client_capabilities &
CLIENT_PROTOCOL_41);
flags.more_results_exists= test(thd->server_status &
SERVER_MORE_RESULTS_EXISTS);
flags.character_set_client_num= thd->variables.character_set_client->number;
flags.character_set_results_num=
(thd->variables.character_set_results ?
@@ -989,6 +1005,20 @@ Query_cache::send_result_to_client(THD *thd, char *sql, uint query_length)
flags.sql_mode= thd->variables.sql_mode;
flags.max_sort_length= thd->variables.max_sort_length;
flags.group_concat_max_len= thd->variables.group_concat_max_len;
DBUG_PRINT("qcache", ("long %d, 4.1: %d, more results %d, \
CS client: %u, CS result: %u, CS conn: %u, limit: %lu, TZ: 0x%lx, \
sql mode: 0x%lx, sort len: %lu, conncat len: %lu",
(int)flags.client_long_flag,
(int)flags.client_protocol_41,
(int)flags.more_results_exists,
flags.character_set_client_num,
flags.character_set_results_num,
flags.collation_connection_num,
flags.limit,
(ulong)flags.time_zone,
flags.sql_mode,
flags.max_sort_length,
flags.group_concat_max_len));
memcpy((void *)(sql + (tot_length - QUERY_CACHE_FLAGS_SIZE)),
&flags, QUERY_CACHE_FLAGS_SIZE);
query_block = (Query_cache_block *) hash_search(&queries, (byte*) sql,