On 07/22/2013 06:20 PM, Jeff Janes wrote:
> On Fri, Jul 19, 2013 at 3:20 PM, Natalie Wenz <nataliew...@ebureau.com> wrote:
>> Hi all,
>>
>> I am moving some data from one table to another in 9.2.4, and keep seeing
>> this strange scenario:
>>
>> insert into newtable select data from oldtable where proc_date >= x and
>> proc_date < y;
>>
>> INSERT 0 78551642
>>
>> select count(*) from newtable where proc_date >= x and proc_date < y;
>> count
>> -----------
>> 4373518938
> It looks to me like the status report is 32 bits and overflowed.
>
> 4,373,518,938 - 2^32 = 78,551,642
Attached is a small patch that should fix the problem.
Vik
*** a/src/backend/commands/createas.c
--- b/src/backend/commands/createas.c
***************
*** 172,178 **** ExecCreateTableAs(CreateTableAsStmt *stmt, const char *queryString,
/* save the rowcount if we're given a completionTag to fill */
if (completionTag)
snprintf(completionTag, COMPLETION_TAG_BUFSIZE,
! "SELECT %u", queryDesc->estate->es_processed);
/* and clean up */
ExecutorFinish(queryDesc);
--- 172,178 ----
/* save the rowcount if we're given a completionTag to fill */
if (completionTag)
snprintf(completionTag, COMPLETION_TAG_BUFSIZE,
! "SELECT " UINT64_FORMAT, queryDesc->estate->es_processed);
/* and clean up */
ExecutorFinish(queryDesc);
*** a/src/backend/tcop/pquery.c
--- b/src/backend/tcop/pquery.c
***************
*** 195,201 **** ProcessQuery(PlannedStmt *plan,
{
case CMD_SELECT:
snprintf(completionTag, COMPLETION_TAG_BUFSIZE,
! "SELECT %u", queryDesc->estate->es_processed);
break;
case CMD_INSERT:
if (queryDesc->estate->es_processed == 1)
--- 195,201 ----
{
case CMD_SELECT:
snprintf(completionTag, COMPLETION_TAG_BUFSIZE,
! "SELECT " UINT64_FORMAT, queryDesc->estate->es_processed);
break;
case CMD_INSERT:
if (queryDesc->estate->es_processed == 1)
***************
*** 203,217 **** ProcessQuery(PlannedStmt *plan,
else
lastOid = InvalidOid;
snprintf(completionTag, COMPLETION_TAG_BUFSIZE,
! "INSERT %u %u", lastOid, queryDesc->estate->es_processed);
break;
case CMD_UPDATE:
snprintf(completionTag, COMPLETION_TAG_BUFSIZE,
! "UPDATE %u", queryDesc->estate->es_processed);
break;
case CMD_DELETE:
snprintf(completionTag, COMPLETION_TAG_BUFSIZE,
! "DELETE %u", queryDesc->estate->es_processed);
break;
default:
strcpy(completionTag, "???");
--- 203,217 ----
else
lastOid = InvalidOid;
snprintf(completionTag, COMPLETION_TAG_BUFSIZE,
! "INSERT %u " UINT64_FORMAT, lastOid, queryDesc->estate->es_processed);
break;
case CMD_UPDATE:
snprintf(completionTag, COMPLETION_TAG_BUFSIZE,
! "UPDATE " UINT64_FORMAT, queryDesc->estate->es_processed);
break;
case CMD_DELETE:
snprintf(completionTag, COMPLETION_TAG_BUFSIZE,
! "DELETE " UINT64_FORMAT, queryDesc->estate->es_processed);
break;
default:
strcpy(completionTag, "???");
*** a/src/include/nodes/execnodes.h
--- b/src/include/nodes/execnodes.h
***************
*** 375,381 **** typedef struct EState
List *es_rowMarks; /* List of ExecRowMarks */
! uint32 es_processed; /* # of tuples processed */
Oid es_lastoid; /* last oid processed (by INSERT) */
int es_top_eflags; /* eflags passed to ExecutorStart */
--- 375,381 ----
List *es_rowMarks; /* List of ExecRowMarks */
! uint64 es_processed; /* # of tuples processed */
Oid es_lastoid; /* last oid processed (by INSERT) */
int es_top_eflags; /* eflags passed to ExecutorStart */
--
Sent via pgsql-general mailing list (pgsql-general@postgresql.org)
To make changes to your subscription:
http://www.postgresql.org/mailpref/pgsql-general
