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Number of tuples inserted/affected by INSERT/UPDATE/DELETE...

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This commit is contained in:
Vadim B. Mikheev
1997-08-27 09:05:24 +00:00
parent 40ac5a692b
commit 3751b49545
7 changed files with 116 additions and 85 deletions
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70
src/backend/tcop/dest.c
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@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/tcop/dest.c,v 1.7 1997/08/19 21:34:02 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/tcop/dest.c,v 1.8 1997/08/27 09:03:14 vadim Exp $
*
*-------------------------------------------------------------------------
*/
@ -43,8 +43,7 @@
#include "commands/async.h"
static Oid GetAppendOid(void);
static void ResetAppendOid(void);
static char CommandInfo[32] = {0};
/* ----------------
* output functions
@ -87,8 +86,6 @@ void (*DestToFunction(CommandDest dest))(HeapTuple, TupleDesc)
return donothing;
}
#define IS_INSERT_TAG(tag) (*tag == 'I' && *(tag+1) == 'N')
/* ----------------
* EndCommand - tell destination that no more tuples will arrive
* ----------------
@ -106,14 +103,8 @@ EndCommand(char *commandTag, CommandDest dest)
* ----------------
*/
pq_putnchar("C", 1);
/* pq_putint(0, 4); */
if (IS_INSERT_TAG(commandTag))
{
sprintf(buf, "%s %d", commandTag, GetAppendOid());
pq_putstr(buf);
}
else
pq_putstr(commandTag);
sprintf(buf, "%s%s", commandTag, CommandInfo);
pq_putstr(buf);
pq_flush();
break;
@ -239,7 +230,7 @@ BeginCommand(char *pname,
* because nothing needs to be sent to the fe.
* ----------------
*/
ResetAppendOid();
CommandInfo[0] = 0;
if (isIntoPortal)
return;
@ -318,41 +309,22 @@ BeginCommand(char *pname,
}
}
static Oid AppendOid;
static void
ResetAppendOid(void)
{
AppendOid = InvalidOid;
}
#define MULTI_TUPLE_APPEND -1
void
UpdateAppendOid(Oid newoid)
UpdateCommandInfo (int operation, Oid lastoid, uint32 tuples)
{
/*
* First update after AppendOid was reset (at command beginning).
*/
if (AppendOid == InvalidOid)
AppendOid = newoid;
/*
* Already detected a multiple tuple append, return a void oid ;)
*/
else if (AppendOid == MULTI_TUPLE_APPEND)
return;
/*
* Oid has been assigned once before, tag this as a multiple tuple
* append.
*/
else
AppendOid = MULTI_TUPLE_APPEND;
}
static Oid
GetAppendOid(void)
{
if (AppendOid == MULTI_TUPLE_APPEND)
return InvalidOid;
return AppendOid;
switch (operation)
{
case CMD_INSERT :
if ( tuples > 1 )
lastoid = InvalidOid;
sprintf (CommandInfo, " %u %u", lastoid, tuples);
break;
case CMD_DELETE :
case CMD_UPDATE :
sprintf (CommandInfo, " %u", tuples);
break;
default :
CommandInfo[0] = 0;
}
return;
}