Re: [SQL] function parameters/output values
От | Peter Eisentraut |
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Тема | Re: [SQL] function parameters/output values |
Дата | |
Msg-id | Pine.LNX.4.21.0001122350520.1646-100000@localhost.localdomain обсуждение исходный текст |
Ответ на | function parameters/output values ("Thomas Leavitt" <thomas.leavitt@clickrebates.com>) |
Ответы |
RE: [SQL] function parameters/output values
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Список | pgsql-sql |
Chapter 4 of the programmer's guide. On 2000-01-12, Thomas Leavitt mentioned: > I would like to know if function parameters are used to pass output values > back to the function. > > e.g. > > create function func1(p1 varchar,p2 varchar OUTPUT, p3 varchar OUTPUT) > BEGIN > SELECT p1 = t.foo1, p3 = t.foo2 > FROM test_table t > WHERE foo3 = p1 > END > > DECLARE p2 varchar(50), p3 varchar(50) > CALL func1('abc',@p2 out,@p3 out) > PRINT @p2 > PRINT @p3 > -- > Thomas Leavitt -- thomas.leavitt@clickrebates.com; 408-591-3342 > Co-Founder/COO, ClickRebates.Com, Inc. (www.clickrebates.com) > Get Paid What You're Worth! > > Sign up for our pre-launch guest list and refer your friends! > > Or use our working prototype at www.clickrebates.org to "Surf for a Higher > Cause" (earn money for charity) > > > ************ > > -- Peter Eisentraut Sernanders väg 10:115 peter_e@gmx.net 75262 Uppsala http://yi.org/peter-e/ Sweden
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