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Diffstat (limited to 'src/backend/utils/cache')
-rw-r--r--src/backend/utils/cache/relcache.c50
1 files changed, 29 insertions, 21 deletions
diff --git a/src/backend/utils/cache/relcache.c b/src/backend/utils/cache/relcache.c
index 9fa9e671a11..e1ea079e9e3 100644
--- a/src/backend/utils/cache/relcache.c
+++ b/src/backend/utils/cache/relcache.c
@@ -2428,10 +2428,10 @@ RelationDestroyRelation(Relation relation, bool remember_tupdesc)
list_free_deep(relation->rd_fkeylist);
list_free(relation->rd_indexlist);
list_free(relation->rd_statlist);
- bms_free(relation->rd_indexattr);
bms_free(relation->rd_keyattr);
bms_free(relation->rd_pkattr);
bms_free(relation->rd_idattr);
+ bms_free(relation->rd_hotblockingattr);
if (relation->rd_pubactions)
pfree(relation->rd_pubactions);
if (relation->rd_options)
@@ -5105,10 +5105,10 @@ RelationGetIndexPredicate(Relation relation)
Bitmapset *
RelationGetIndexAttrBitmap(Relation relation, IndexAttrBitmapKind attrKind)
{
- Bitmapset *indexattrs; /* indexed columns */
Bitmapset *uindexattrs; /* columns in unique indexes */
Bitmapset *pkindexattrs; /* columns in the primary index */
Bitmapset *idindexattrs; /* columns in the replica identity */
+ Bitmapset *hotblockingattrs; /* columns with HOT blocking indexes */
List *indexoidlist;
List *newindexoidlist;
Oid relpkindex;
@@ -5117,18 +5117,18 @@ RelationGetIndexAttrBitmap(Relation relation, IndexAttrBitmapKind attrKind)
MemoryContext oldcxt;
/* Quick exit if we already computed the result. */
- if (relation->rd_indexattr != NULL)
+ if (relation->rd_attrsvalid)
{
switch (attrKind)
{
- case INDEX_ATTR_BITMAP_ALL:
- return bms_copy(relation->rd_indexattr);
case INDEX_ATTR_BITMAP_KEY:
return bms_copy(relation->rd_keyattr);
case INDEX_ATTR_BITMAP_PRIMARY_KEY:
return bms_copy(relation->rd_pkattr);
case INDEX_ATTR_BITMAP_IDENTITY_KEY:
return bms_copy(relation->rd_idattr);
+ case INDEX_ATTR_BITMAP_HOT_BLOCKING:
+ return bms_copy(relation->rd_hotblockingattr);
default:
elog(ERROR, "unknown attrKind %u", attrKind);
}
@@ -5159,7 +5159,7 @@ restart:
relreplindex = relation->rd_replidindex;
/*
- * For each index, add referenced attributes to indexattrs.
+ * For each index, add referenced attributes to appropriate bitmaps.
*
* Note: we consider all indexes returned by RelationGetIndexList, even if
* they are not indisready or indisvalid. This is important because an
@@ -5168,10 +5168,10 @@ restart:
* CONCURRENTLY is far enough along that we should ignore the index, it
* won't be returned at all by RelationGetIndexList.
*/
- indexattrs = NULL;
uindexattrs = NULL;
pkindexattrs = NULL;
idindexattrs = NULL;
+ hotblockingattrs = NULL;
foreach(l, indexoidlist)
{
Oid indexOid = lfirst_oid(l);
@@ -5236,8 +5236,9 @@ restart:
*/
if (attrnum != 0)
{
- indexattrs = bms_add_member(indexattrs,
- attrnum - FirstLowInvalidHeapAttributeNumber);
+ if (indexDesc->rd_indam->amhotblocking)
+ hotblockingattrs = bms_add_member(hotblockingattrs,
+ attrnum - FirstLowInvalidHeapAttributeNumber);
if (isKey && i < indexDesc->rd_index->indnkeyatts)
uindexattrs = bms_add_member(uindexattrs,
@@ -5254,10 +5255,15 @@ restart:
}
/* Collect all attributes used in expressions, too */
- pull_varattnos(indexExpressions, 1, &indexattrs);
+ if (indexDesc->rd_indam->amhotblocking)
+ pull_varattnos(indexExpressions, 1, &hotblockingattrs);
- /* Collect all attributes in the index predicate, too */
- pull_varattnos(indexPredicate, 1, &indexattrs);
+ /*
+ * Collect all attributes in the index predicate, too. We have to ignore
+ * amhotblocking flag, because the row might become indexable, in which
+ * case we have to add it to the index.
+ */
+ pull_varattnos(indexPredicate, 1, &hotblockingattrs);
index_close(indexDesc, AccessShareLock);
}
@@ -5285,25 +5291,25 @@ restart:
bms_free(uindexattrs);
bms_free(pkindexattrs);
bms_free(idindexattrs);
- bms_free(indexattrs);
+ bms_free(hotblockingattrs);
goto restart;
}
/* Don't leak the old values of these bitmaps, if any */
- bms_free(relation->rd_indexattr);
- relation->rd_indexattr = NULL;
bms_free(relation->rd_keyattr);
relation->rd_keyattr = NULL;
bms_free(relation->rd_pkattr);
relation->rd_pkattr = NULL;
bms_free(relation->rd_idattr);
relation->rd_idattr = NULL;
+ bms_free(relation->rd_hotblockingattr);
+ relation->rd_hotblockingattr = NULL;
/*
* Now save copies of the bitmaps in the relcache entry. We intentionally
- * set rd_indexattr last, because that's the one that signals validity of
- * the values; if we run out of memory before making that copy, we won't
+ * set rd_attrsvalid last, because that's what signals validity of the
+ * values; if we run out of memory before making that copy, we won't
* leave the relcache entry looking like the other ones are valid but
* empty.
*/
@@ -5311,20 +5317,21 @@ restart:
relation->rd_keyattr = bms_copy(uindexattrs);
relation->rd_pkattr = bms_copy(pkindexattrs);
relation->rd_idattr = bms_copy(idindexattrs);
- relation->rd_indexattr = bms_copy(indexattrs);
+ relation->rd_hotblockingattr = bms_copy(hotblockingattrs);
+ relation->rd_attrsvalid = true;
MemoryContextSwitchTo(oldcxt);
/* We return our original working copy for caller to play with */
switch (attrKind)
{
- case INDEX_ATTR_BITMAP_ALL:
- return indexattrs;
case INDEX_ATTR_BITMAP_KEY:
return uindexattrs;
case INDEX_ATTR_BITMAP_PRIMARY_KEY:
return pkindexattrs;
case INDEX_ATTR_BITMAP_IDENTITY_KEY:
return idindexattrs;
+ case INDEX_ATTR_BITMAP_HOT_BLOCKING:
+ return hotblockingattrs;
default:
elog(ERROR, "unknown attrKind %u", attrKind);
return NULL;
@@ -6180,10 +6187,11 @@ load_relcache_init_file(bool shared)
rel->rd_indexlist = NIL;
rel->rd_pkindex = InvalidOid;
rel->rd_replidindex = InvalidOid;
- rel->rd_indexattr = NULL;
+ rel->rd_attrsvalid = false;
rel->rd_keyattr = NULL;
rel->rd_pkattr = NULL;
rel->rd_idattr = NULL;
+ rel->rd_hotblockingattr = NULL;
rel->rd_pubactions = NULL;
rel->rd_statvalid = false;
rel->rd_statlist = NIL;
generated by cgit v1.2.3 (git 2.25.1) at 2025-07-17 09:34:32 +0000