database/mariadb-columnstore-engine
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mirror of https://github.com/mariadb-corporation/mariadb-columnstore-engine.git synced 2025-07-30 19:23:07 +03:00
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feat(plugin): add extra logging to the plugin init

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This commit is contained in:
drrtuy
2025-06-17 17:19:41 +00:00
committed by Leonid Fedorov
parent c987a67753
commit dd9298f988
1 changed files with 19 additions and 4 deletions
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23
dbcon/mysql/ha_mcs.cpp
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@ -1828,14 +1828,20 @@ static int columnstore_init_func(void* p)
fprintf(stderr, "Columnstore: Started; Version: %s-%s\n", columnstore_version.c_str(),
columnstore_release.c_str());
plugin_ref plugin_innodb;
LEX_CSTRING name = {STRING_WITH_LEN("INNODB")};
auto* plugin_innodb = ha_resolve_by_name(0, &name, 0);
if (!plugin_innodb || plugin_state(plugin_innodb) != PLUGIN_IS_READY)
if (get_innodb_queries_uses_mcs())
{
DBUG_RETURN(HA_ERR_RETRY_INIT);
}
std::cerr << "Columnstore: innodb_queries_uses_mcs is set, looking for InnoDB plugin." << std::endl;
plugin_innodb = ha_resolve_by_name(0, &name, 0);
if (!plugin_innodb || plugin_state(plugin_innodb) != PLUGIN_IS_READY)
{
DBUG_RETURN(HA_ERR_RETRY_INIT);
}
}
strncpy(cs_version, columnstore_version.c_str(), sizeof(cs_version) - 1);
cs_version[sizeof(cs_version) - 1] = 0;
@ -1844,10 +1850,14 @@ static int columnstore_init_func(void* p)
mcs_hton = (handlerton*)p;
std::cerr << "Columnstore: init pthread_mutex_init" << std::endl;
(void)pthread_mutex_init(&mcs_mutex, MY_MUTEX_INIT_FAST);
std::cerr << "Columnstore: init my_hash_init" << std::endl;
(void)my_hash_init(PSI_NOT_INSTRUMENTED, &mcs_open_tables, system_charset_info, 32, 0, 0,
(my_hash_get_key)mcs_get_key, 0, 0);
std::cerr << "Columnstore: init mcs_hton attributes" << std::endl;
mcs_hton->create = ha_mcs_cache_create_handler;
mcs_hton->panic = 0;
mcs_hton->flags = HTON_CAN_RECREATE | HTON_NO_PARTITION;
@ -1863,10 +1873,13 @@ static int columnstore_init_func(void* p)
if (get_innodb_queries_uses_mcs())
{
std::cerr << "Columnstore: innodb_queries_uses_mcs is set, redirecting all InnoDB queries to Columnstore." << std::endl;
auto* innodb_hton = plugin_hton(plugin_innodb);
int error = innodb_hton == nullptr; // Engine must exists!
if (error)
{
std::cerr << "Columnstore: innodb_queries_uses_mcs is set, but could not find InnoDB plugin." << std::endl;
my_error(HA_ERR_INITIALIZATION, MYF(0), "Could not find storage engine %s", name.str);
}
innodb_hton->create_select = create_columnstore_select_handler;
@ -1874,11 +1887,13 @@ static int columnstore_init_func(void* p)
}
#ifdef HAVE_PSI_INTERFACE
std::cerr << "Columnstore: Registering mutex for Columnstore write cache." << std::endl;
uint count = sizeof(all_mutexes) / sizeof(all_mutexes[0]);
mysql_mutex_register("ha_mcs_cache", all_mutexes, count);
#else
(void)key_LOCK_cache_share;
#endif
std::cerr << "Columnstore: Initialising mutex for Columnstore write cache." << std::endl;
mysql_mutex_init(key_LOCK_cache_share, &LOCK_cache_share, MY_MUTEX_INIT_FAST);
DBUG_RETURN(0);