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Commit426d015

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Marginal performance improvement in aclmask(): don't bother with
testing ownership if the caller isn't interested in any GOPTION bits(which is the common case). It did not matter in 8.0 where the ownershiptest was just a trivial equality test, but it matters now.
1 parentb888ab8 commit426d015

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  • src/backend/utils/adt

1 file changed

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‎src/backend/utils/adt/acl.c‎

Lines changed: 7 additions & 6 deletions
Original file line numberDiff line numberDiff line change
@@ -8,7 +8,7 @@
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*
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*
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* IDENTIFICATION
11-
* $PostgreSQL: pgsql/src/backend/utils/adt/acl.c,v 1.123 2005/07/28 22:27:02 tgl Exp $
11+
* $PostgreSQL: pgsql/src/backend/utils/adt/acl.c,v 1.124 2005/10/07 19:59:34 tgl Exp $
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*
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*-------------------------------------------------------------------------
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*/
@@ -1013,18 +1013,19 @@ aclmask(const Acl *acl, Oid roleid, Oid ownerId,
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result=0;
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10151015
/* Owner always implicitly has all grant options */
1016-
if (has_privs_of_role(roleid,ownerId))
1016+
if ((mask&ACLITEM_ALL_GOPTION_BITS)&&
1017+
has_privs_of_role(roleid,ownerId))
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{
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result=mask&ACLITEM_ALL_GOPTION_BITS;
1019-
if (result==mask)
1020+
if ((how==ACLMASK_ALL) ? (result==mask) : (result!=0))
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returnresult;
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}
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num=ACL_NUM(acl);
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aidat=ACL_DAT(acl);
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/*
1027-
* Check privileges granted directly touser or to public
1028+
* Check privileges granted directly toroleid or to public
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*/
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for (i=0;i<num;i++)
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{
@@ -1040,11 +1041,11 @@ aclmask(const Acl *acl, Oid roleid, Oid ownerId,
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}
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/*
1043-
* Check privileges granted indirectly viaroles.
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* Check privileges granted indirectly viarole memberships.
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* We do this in a separate pass to minimize expensive indirect
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* membership tests. In particular, it's worth testing whether
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* a given ACL entry grants any privileges still of interest before
1047-
* we perform theis_member test.
1048+
* we perform thehas_privs_of_role test.
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*/
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remaining=mask& ~result;
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for (i=0;i<num;i++)

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