database/mariadb-columnstore-engine
1
0
Fork 0
mirror of https://github.com/mariadb-corporation/mariadb-columnstore-engine.git synced 2025-07-30 19:23:07 +03:00
Code Activity

feat(plugin): All InnoDB queries are pushed down to Columnstore if columnstore_innodb_queries_uses_mcs = ON in the configuration before server start

Browse Source
This commit is contained in:
drrtuy
2025-05-19 18:42:23 +00:00
parent 11e5e481ab
commit 9038f0df09
4 changed files with 61 additions and 36 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
dbcon/mysql/ha_mcs_sysvars.cpp
View File

@ -220,6 +220,9 @@ static MYSQL_THDVAR_ULONG(max_allowed_in_values, PLUGIN_VAR_RQCMDARG,
"The maximum length of the entries in the IN query clause.", NULL, NULL, 6000, 1,
~0U, 1);
static MYSQL_THDVAR_BOOL(innodb_queries_uses_mcs, PLUGIN_VAR_OPCMDARG | PLUGIN_VAR_READONLY,
"Direct all InnoDB-only queries into MCS via Select Handler.", NULL, NULL, 0);
st_mysql_sys_var* mcs_system_variables[] = {MYSQL_SYSVAR(compression_type),
MYSQL_SYSVAR(fe_conn_info_ptr),
MYSQL_SYSVAR(original_optimizer_flags),
@ -260,6 +263,7 @@ st_mysql_sys_var* mcs_system_variables[] = {MYSQL_SYSVAR(compression_type),
MYSQL_SYSVAR(s3_region),
MYSQL_SYSVAR(pron),
MYSQL_SYSVAR(max_allowed_in_values),
MYSQL_SYSVAR(innodb_queries_uses_mcs),
NULL};
st_mysql_show_var mcs_status_variables[] = {{"columnstore_version", (char*)&cs_version, SHOW_CHAR},
@ -654,4 +658,14 @@ ulong get_max_allowed_in_values(THD* thd)
void set_max_allowed_in_values(THD* thd, ulong value)
{
THDVAR(thd, max_allowed_in_values) = value;
}
}
bool get_innodb_queries_uses_mcs(THD* thd)
{
return THDVAR(thd, innodb_queries_uses_mcs);
}
void set_innodb_queries_uses_mcs(THD* thd, bool value)
{
THDVAR(thd, innodb_queries_uses_mcs) = value;
}