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Use Snapshot in heap access methods.

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This commit is contained in:
Vadim B. Mikheev
1998-07-27 19:38:40 +00:00
parent f7f989c990
commit be8300b18f
54 changed files with 352 additions and 339 deletions
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13
src/backend/executor/execAmi.c
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@@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/executor/execAmi.c,v 1.23 1998/07/16 01:49:18 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/executor/execAmi.c,v 1.24 1998/07/27 19:37:54 vadim Exp $
*
*-------------------------------------------------------------------------
*/
@@ -56,7 +56,7 @@
static Pointer
ExecBeginScan(Relation relation, int nkeys, ScanKey skeys,
bool isindex, ScanDirection dir);
bool isindex, ScanDirection dir, Snapshot snapshot);
static Relation ExecOpenR(Oid relationOid, bool isindex);
/* ----------------------------------------------------------------
@@ -81,6 +81,7 @@ ExecOpenScanR(Oid relOid,
ScanKey skeys,
bool isindex,
ScanDirection dir,
Snapshot snapshot,
Relation *returnRelation, /* return */
Pointer *returnScanDesc) /* return */
{
@@ -99,7 +100,8 @@ ExecOpenScanR(Oid relOid,
nkeys,
skeys,
isindex,
dir);
dir,
snapshot);
if (returnRelation != NULL)
*returnRelation = relation;
@@ -153,7 +155,8 @@ ExecBeginScan(Relation relation,
int nkeys,
ScanKey skeys,
bool isindex,
ScanDirection dir)
ScanDirection dir,
Snapshot snapshot)
{
Pointer scanDesc;
@@ -178,7 +181,7 @@ ExecBeginScan(Relation relation,
{
scanDesc = (Pointer) heap_beginscan(relation,
ScanDirectionIsBackward(dir),
false,
snapshot,
nkeys,
skeys);
}