Thread: Re: Is there any eqvivalent or alternative to UPDATE(column)or COLUMNS_UPDATED() of SQLServer2000
Re: Is there any eqvivalent or alternative to UPDATE(column)or COLUMNS_UPDATED() of SQLServer2000
From
"shreedhar"
Date:
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 >