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This patch wraps all accesses to t_xmin, t_cmin, t_xmax, and t_cmax in

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HeapTupleHeaderData in setter and getter macros called
HeapTupleHeaderGetXmin, HeapTupleHeaderSetXmin etc.

It also introduces a "virtual" field xvac by defining
HeapTupleHeaderGetXvac and HeapTupleHeaderSetXvac.  Xvac is used by
VACUUM, in fact it is stored in t_cmin.

Manfred Koizar
This commit is contained in:
Bruce Momjian
2002-06-15 19:54:24 +00:00
parent 7882179994
commit 3c35face41
14 changed files with 312 additions and 246 deletions
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10
src/pl/plpython/plpython.c
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@ -29,7 +29,7 @@
* MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/pl/plpython/plpython.c,v 1.17 2002/03/29 19:06:27 tgl Exp $
* $Header: /cvsroot/pgsql/src/pl/plpython/plpython.c,v 1.18 2002/06/15 19:54:24 momjian Exp $
*
*********************************************************************
*/
@ -1030,8 +1030,8 @@ PLy_procedure_get(FunctionCallInfo fcinfo, bool is_trigger)
if (proc->me != plproc)
elog(FATAL, "plpython: Aiieee, proc->me != plproc");
/* did we find an up-to-date cache entry? */
if (proc->fn_xmin != procTup->t_data->t_xmin ||
proc->fn_cmin != procTup->t_data->t_cmin)
if (proc->fn_xmin != HeapTupleHeaderGetXmin(procTup->t_data) ||
proc->fn_cmin != HeapTupleHeaderGetCmin(procTup->t_data))
{
Py_DECREF(plproc);
proc = NULL;
@ -1075,8 +1075,8 @@ PLy_procedure_create(FunctionCallInfo fcinfo, bool is_trigger,
proc = PLy_malloc(sizeof(PLyProcedure));
proc->proname = PLy_malloc(strlen(procName) + 1);
strcpy(proc->proname, procName);
proc->fn_xmin = procTup->t_data->t_xmin;
proc->fn_cmin = procTup->t_data->t_cmin;
proc->fn_xmin = HeapTupleHeaderGetXmin(procTup->t_data);
proc->fn_cmin = HeapTupleHeaderGetCmin(procTup->t_data);
PLy_typeinfo_init(&proc->result);
for (i = 0; i < FUNC_MAX_ARGS; i++)
PLy_typeinfo_init(&proc->args[i]);