database/postgres
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Allow background workers to connect to no particular database.

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The documentation claims that this is supported, but it didn't
actually work.  Fix that.

Reported by Pavel Stehule; patch by me.
This commit is contained in:
Robert Haas 2015-06-25 15:52:13 -04:00
parent 834aa56ea1
commit d66b67fe21
1 changed files with 13 additions and 1 deletions
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14
src/backend/utils/init/postinit.c
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@ -779,7 +779,7 @@ InitPostgres(const char *in_dbname, Oid dboid, const char *username,
/* take database name from the caller, just for paranoia */ /* take database name from the caller, just for paranoia */
strlcpy(dbname, in_dbname, sizeof(dbname)); strlcpy(dbname, in_dbname, sizeof(dbname));
} }
else else if (OidIsValid(dboid))
{ {
/* caller specified database by OID */ /* caller specified database by OID */
HeapTuple tuple; HeapTuple tuple;
@ -799,6 +799,18 @@ InitPostgres(const char *in_dbname, Oid dboid, const char *username,
if (out_dbname) if (out_dbname)
strcpy(out_dbname, dbname); strcpy(out_dbname, dbname);
} }
else
{
/*
* If this is a background worker not bound to any particular
* database, we're done now. Everything that follows only makes
* sense if we are bound to a specific database. We do need to
* close the transaction we started before returning.
*/
if (!bootstrap)
CommitTransactionCommand();
return;
}
/* /*
* Now, take a writer's lock on the database we are trying to connect to. * Now, take a writer's lock on the database we are trying to connect to.