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Simplify one use of ScanKey in pg_subscription.c 

The section of the code in charge of returning all the relations
associated to a subscription only need one ScanKey, but allocated two of
them.  This code was introduced as a copy-paste from a different area on
the same file by 7c4f524, making the result confusing to follow.

Author: Peter Smith
Reviewed-by: Tom Lane, Julien Rouhaud, Bharath Rupireddy
Discussion: https://postgr.es/m/CAHut+PsLKe+rN3FjchoJsd76rx2aMsFTB7CTFxRgUP05p=kcpQ@mail.gmail.com
This commit is contained in:
Michael Paquier 2021-05-12 14:54:02 +09:00
parent ec6e70c79f
commit e6ccd1ce16
1 changed files with 3 additions and 4 deletions
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7
src/backend/catalog/pg_subscription.c
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@ -461,19 +461,18 @@ GetSubscriptionRelations(Oid subid)
List *res = NIL;
Relation rel;
HeapTuple tup;
int nkeys = 0;
ScanKeyData skey[2];
ScanKeyData skey[1];
SysScanDesc scan;
rel = table_open(SubscriptionRelRelationId, AccessShareLock);
ScanKeyInit(&skey[nkeys++],
ScanKeyInit(&skey[0],
Anum_pg_subscription_rel_srsubid,
BTEqualStrategyNumber, F_OIDEQ,
ObjectIdGetDatum(subid));
scan = systable_beginscan(rel, InvalidOid, false,
NULL, nkeys, skey);
NULL, 1, skey);
while (HeapTupleIsValid(tup = systable_getnext(scan)))
{