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* Use of cmin in psql
@ 2006-07-19 10:56 sathiya moorthy <mail2sathiyamoorthy@gmail.com>
0 siblings, 1 reply; 2+ messages in thread
From: sathiya moorthy @ 2006-07-19 10:56 UTC (permalink / raw)
To: pgsql-sql
hi,
what is the use of the cmin system column....
After inserting if i see this column cmin has the 0 in the ordinary
places.....,
If it is in the transaction place ( between BEGIN and END ) where i had
deleted and rollbacked that column has the 33397398 somw what large
number..............
--
sathiyamoorthy
^ permalink raw reply [nested|flat] 2+ messages in thread
* Re: Use of cmin in psql
@ 2006-07-19 14:36 Tom Lane <tgl@sss.pgh.pa.us>
parent: sathiya moorthy <mail2sathiyamoorthy@gmail.com>
0 siblings, 0 replies; 2+ messages in thread
From: Tom Lane @ 2006-07-19 14:36 UTC (permalink / raw)
To: sathiya moorthy <mail2sathiyamoorthy@gmail.com>; +Cc: pgsql-sql
"sathiya moorthy" <mail2sathiyamoorthy@gmail.com> writes:
> what is the use of the cmin system column....
http://www.postgresql.org/docs/8.1/static/ddl-system-columns.html
regards, tom lane
^ permalink raw reply [nested|flat] 2+ messages in thread
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2006-07-19 10:56 Use of cmin in psql sathiya moorthy <mail2sathiyamoorthy@gmail.com>
2006-07-19 14:36 ` Tom Lane <tgl@sss.pgh.pa.us>
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