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Commit4844adc

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Fixes;
 Postgres is not able to cluster a relation on which an rtree index is defined. Postmaster gives the following error message: Too Large Allocation Request("!(0 < (size) && (size) <= (0xfffffff)):size=0 [0x0]", File:"/export/home/postgres/src/backend/utils/mmgr/mcxt.c", Line: 220) !(0 <(size) && (size) <= (0xfffffff)) (0) [No such file or directory]Submitted by: Dirk Koeser <koeser@informatik.uni-rostock.de>
1 parentbde3455 commit4844adc

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‎src/backend/access/rtree/rtscan.c

Lines changed: 4 additions & 5 deletions
Original file line numberDiff line numberDiff line change
@@ -7,7 +7,7 @@
77
*
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*
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* IDENTIFICATION
10-
* $Header: /cvsroot/pgsql/src/backend/access/rtree/Attic/rtscan.c,v 1.1.1.1 1996/07/09 06:21:13 scrappy Exp $
10+
* $Header: /cvsroot/pgsql/src/backend/access/rtree/Attic/rtscan.c,v 1.2 1996/08/15 07:30:22 scrappy Exp $
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*
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*-------------------------------------------------------------------------
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*/
@@ -122,15 +122,13 @@ rtrescan(IndexScanDesc s, bool fromEnd, ScanKey key)
122122
}else {
123123
/* initialize opaque data */
124124
p= (RTreeScanOpaque)palloc(sizeof(RTreeScanOpaqueData));
125-
p->s_internalKey=
126-
(ScanKey)palloc(sizeof(ScanKeyData)*s->numberOfKeys);
127125
p->s_stack=p->s_markstk= (RTSTACK*)NULL;
128126
p->s_internalNKey=s->numberOfKeys;
129127
p->s_flags=0x0;
130-
for (i=0;i<s->numberOfKeys;i++)
131-
p->s_internalKey[i].sk_argument=s->keyData[i].sk_argument;
132128
s->opaque=p;
133129
if (s->numberOfKeys>0) {
130+
p->s_internalKey=
131+
(ScanKey)palloc(sizeof(ScanKeyData)*s->numberOfKeys);
134132

135133
/*
136134
* Scans on internal pages use different operators than they
@@ -140,6 +138,7 @@ rtrescan(IndexScanDesc s, bool fromEnd, ScanKey key)
140138
*/
141139

142140
for (i=0;i<s->numberOfKeys;i++) {
141+
p->s_internalKey[i].sk_argument=s->keyData[i].sk_argument;
143142
internal_proc=RTMapOperator(s->relation,
144143
s->keyData[i].sk_attno,
145144
s->keyData[i].sk_procedure);

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