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Allow DECLARE CURSOR to take parameters from the portal in which it is

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executed.  Previously, the DECLARE would succeed but subsequent FETCHes
would fail since the parameter values supplied to DECLARE were not
propagated to the portal created for the cursor.
In support of this, add type Oids to ParamListInfo entries, which seems
like a good idea anyway since code that extracts a value can double-check
that it got the type of value it was expecting.
Oliver Jowett, with minor editorialization by Tom Lane.
This commit is contained in:
Tom Lane
2004-08-02 01:30:51 +00:00
parent 410b1dfb88
commit f622c54049
18 changed files with 262 additions and 114 deletions
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8
src/backend/executor/spi.c
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@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/executor/spi.c,v 1.122 2004/07/31 20:55:41 tgl Exp $
* $PostgreSQL: pgsql/src/backend/executor/spi.c,v 1.123 2004/08/02 01:30:41 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -820,6 +820,7 @@ SPI_cursor_open(const char *name, void *plan, Datum *Values, const char *Nulls)
{
paramLI[k].kind = PARAM_NUM;
paramLI[k].id = k + 1;
paramLI[k].ptype = spiplan->argtypes[k];
paramLI[k].isnull = (Nulls && Nulls[k] == 'n');
if (paramLI[k].isnull)
{
@@ -1251,7 +1252,7 @@ _SPI_execute(const char *src, int tcount, _SPI_plan *plan)
res = SPI_OK_UTILITY;
if (plan == NULL)
{
ProcessUtility(queryTree->utilityStmt, dest, NULL);
ProcessUtility(queryTree->utilityStmt, NULL, dest, NULL);
CommandCounterIncrement();
}
}
@@ -1319,6 +1320,7 @@ _SPI_execute_plan(_SPI_plan *plan, Datum *Values, const char *Nulls,
{
paramLI[k].kind = PARAM_NUM;
paramLI[k].id = k + 1;
paramLI[k].ptype = plan->argtypes[k];
paramLI[k].isnull = (Nulls && Nulls[k] == 'n');
paramLI[k].value = Values[k];
}
@@ -1366,7 +1368,7 @@ _SPI_execute_plan(_SPI_plan *plan, Datum *Values, const char *Nulls,
dest = CreateDestReceiver(queryTree->canSetTag ? SPI : None, NULL);
if (queryTree->commandType == CMD_UTILITY)
{
ProcessUtility(queryTree->utilityStmt, dest, NULL);
ProcessUtility(queryTree->utilityStmt, paramLI, dest, NULL);
res = SPI_OK_UTILITY;
CommandCounterIncrement();
}