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

19
dbcon/mysql/ha_mcs.cpp
View File

@ -1808,6 +1808,8 @@ static handler* ha_mcs_cache_create_handler(handlerton* hton, TABLE_SHARE* table
return new (mem_root) ha_mcs_cache(hton, table, mem_root);
}
bool get_innodb_queries_uses_mcs(THD* thd);
/******************************************************************************
ha_mcs Plugin code
******************************************************************************/
@ -1858,16 +1860,17 @@ static int columnstore_init_func(void* p)
mcs_hton->create_unit = create_columnstore_unit_handler;
mcs_hton->db_type = DB_TYPE_AUTOASSIGN;
{
auto* innodb_hton = plugin_hton(plugin_innodb);
int error = innodb_hton == nullptr; // Engine must exists!
if (error)
if (get_innodb_queries_uses_mcs(current_thd))
{
my_error(HA_ERR_INITIALIZATION, MYF(0), "Could not find storage engine %s", name.str);
auto* innodb_hton = plugin_hton(plugin_innodb);
int error = innodb_hton == nullptr; // Engine must exists!
if (error)
{
my_error(HA_ERR_INITIALIZATION, MYF(0), "Could not find storage engine %s", name.str);
}
innodb_hton->create_select = create_columnstore_select_handler;
innodb_hton->create_unit = create_columnstore_unit_handler;
}
innodb_hton->create_select = create_columnstore_select_handler;
innodb_hton->create_unit = create_columnstore_unit_handler;
}
#ifdef HAVE_PSI_INTERFACE
uint count = sizeof(all_mutexes) / sizeof(all_mutexes[0]);