database/mariadb-columnstore-engine
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MCOL-4330 dev Refresh shared memory

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If the plugin is restarted after the system is running, it's possible to have stale references to shared memory. This patch deletes those references so the next time they're used, just-in-time initialization will get the latest.
This commit is contained in:
David Hall
2020-10-01 18:19:03 -05:00
parent 1f1ce5bf07
commit 951a6abe85
6 changed files with 46 additions and 11 deletions
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dbcon/mysql/is_columnstore_extents.cpp
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@ -59,7 +59,6 @@ static int generate_result(BRM::OID_t oid, BRM::DBRM* emp, TABLE* table, THD* th
std::vector<struct BRM::EMEntry>::iterator iter;
std::vector<struct BRM::EMEntry>::iterator end;
emp->getExtents(oid, entries, false, false, true);
if (entries.size() == 0)
@ -188,6 +187,7 @@ static int is_columnstore_extents_fill(THD* thd, TABLE_LIST* tables, COND* cond)
BRM::OID_t cond_oid = 0;
TABLE* table = tables->table;
BRM::DBRM::refreshShm();
BRM::DBRM* emp = new BRM::DBRM();
if (!emp || !emp->isDBRMReady())