Re: Is there any eqvivalent or alternative to UPDATE(column)orCOLUMNS_UPDATED() of SQLServer2000 - Mailing list pgsql-admin
From | shreedhar |
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Subject | Re: Is there any eqvivalent or alternative to UPDATE(column)orCOLUMNS_UPDATED() of SQLServer2000 |
Date | |
Msg-id | 000501c2ad6c$4d53b580$1201a8c0@a4005 Whole thread Raw |
Responses |
Re: Is there any eqvivalent or alternative to UPDATE(column)orCOLUMNS_UPDATED() of SQLServer2000
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List | pgsql-admin |
Dear Momjian, I need solution for the problem stated in subject. (i.e.) any method to know whether a record is Previously updated or not ? Sreedhar ----- Original Message ----- From: "Bruce Momjian" <pgman@candle.pha.pa.us> To: "shreedhar" <shreedhar@lucidindia.net> Sent: Friday, December 27, 2002 10:41 AM Subject: Re: [ADMIN] Is there any eqvivalent or alternative to UPDATE(column)orCOLUMNS_UPDATED() of SQLServer2000 > > Sure. As root, use the 'date' command to fix it. > > -------------------------------------------------------------------------- - > > shreedhar wrote: > > Sorry, > > > > Because it is some problem in my system. So, it has shown Fri, 15 Mar 2002 > > 17:27:30 +0530. > > > > Kindly any body give solution to my problem. > > > > Sreedhar. > > ----- Original Message ----- > > From: "Bruce Momjian" <pgman@candle.pha.pa.us> > > To: "shreedhar" <shreedhar@lucidindia.net> > > Sent: Thursday, December 26, 2002 11:03 PM > > Subject: Re: [ADMIN] Is there any eqvivalent or alternative to > > UPDATE(column)or COLUMNS_UPDATED() of SQLServer2000 > > > > > > > > > > Your email is dated: > > > > > > Date: Fri, 15 Mar 2002 17:27:30 +0530 > > > > > > -------------------------------------------------------------------------- > > - > > > > > > shreedhar wrote: > > > > Is there any eqvivalent or alternative to the following IF > > UPDATE(column) or > > > > IF(COLUMNS_UPDATED()) of SQLServer2000. > > > > > > > > IF UPDATE (column) > > > > > > > > Tests for an INSERT or UPDATE action to a specified column and is not > > used > > > > with DELETE operations. More than one column can be specified. Because > > the > > > > table name is specified in the ON clause, do not include the table name > > > > before the column name in an IF UPDATE clause. To test for an INSERT or > > > > UPDATE action for more than one column, specify a separate > > UPDATE(column) > > > > clause following the first one. IF UPDATE will return the TRUE value in > > > > INSERT actions because the columns have either explicit values or > > implicit > > > > (NULL) values inserted. > > > > > > > > IF (COLUMNS_UPDATED()) > > > > > > > > Tests, in an INSERT or UPDATE trigger only, whether the mentioned column > > or > > > > columns were inserted or updated. COLUMNS_UPDATED returns a varbinary > > bit > > > > pattern that indicates which columns in the table were inserted or > > updated. > > > > > > > > Thanks And Regards, > > > > > > > > Sreedhar > > > > > > > > > > > > > > > > > > > > > > > > "Faith, faith, faith in ourselves, faith, faith in God, this is the > > secret > > > > of greatness. > > > > If you have faith in all the three hundred and thirty millions of your > > > > mythological gods, > > > > and in all the gods which foreigners have now and again introduced into > > your > > > > midst, > > > > and still have no faith in yourselves, there is no salvation for you. " > > > > (III. 190) > > > > > > > > > > > > > > > > ---------------------------(end of broadcast)--------------------------- > > > > TIP 5: Have you checked our extensive FAQ? > > > > > > > > http://www.postgresql.org/users-lounge/docs/faq.html > > > > > > > > > > -- > > > Bruce Momjian | http://candle.pha.pa.us > > > pgman@candle.pha.pa.us | (610) 359-1001 > > > + If your life is a hard drive, | 13 Roberts Road > > > + Christ can be your backup. | Newtown Square, Pennsylvania > > 19073 > > > > > > > > > -- > Bruce Momjian | http://candle.pha.pa.us > pgman@candle.pha.pa.us | (610) 359-1001 > + If your life is a hard drive, | 13 Roberts Road > + Christ can be your backup. | Newtown Square, Pennsylvania 19073 >
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