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Fix inconsistent code with shared invalidations of snapshots 

The code in charge of processing a single invalidation message has been
using since 568d413 the structure for relation mapping messages.  This
had fortunately no consequence as both locate the database ID at the
same location, but it could become a problem in the future if this area
of the code changes.

Author: Konstantin Knizhnik
Discussion: https://postgr.es/m/8044c223-4d3a-2cdb-42bf-29940840ce94@postgrespro.ru
Backpatch-through: 9.5
This commit is contained in:
Michael Paquier 2020-12-28 22:17:24 +09:00
parent b5c73eef8a
commit 8fcc2fb980
1 changed files with 2 additions and 2 deletions
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4
src/backend/utils/cache/inval.c vendored
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@ -608,9 +608,9 @@ LocalExecuteInvalidationMessage(SharedInvalidationMessage *msg)
else if (msg->id == SHAREDINVALSNAPSHOT_ID)
{
/* We only care about our own database and shared catalogs */
if (msg->rm.dbId == InvalidOid)
if (msg->sn.dbId == InvalidOid)
InvalidateCatalogSnapshot();
else if (msg->rm.dbId == MyDatabaseId)
else if (msg->sn.dbId == MyDatabaseId)
InvalidateCatalogSnapshot();
}
else