Re: How to print something in PL/SQL

From: Kulin Contractor <kulin_at_spectrum.cs.unsw.oz.au>
Date: Tue, 22 Sep 1992 01:53:44 GMT
Message-ID: <1992Sep22.015344.28722_at_usage.csd.unsw.OZ.AU>


In article <1992Sep5.005031.21099_at_homebase.vistachrome.com> andy_at_homebase.vistachrome.com writes:
>shamel_at_mais.hydro.qc.ca (Stephane Hamel) writes:
>>When you use PL/SQL in SQL*Forms, you can show messages using the SQL*Forms
>>MESSAGE() function.
>
>This is because the PL/SQL engine runs INSIDE of SQL*forms 3.0, not on the
>database except when it has to access a database-inherent function such as
>a sequence, table, view, pseudocolumn (sysdate), and so on.
>
>Because it runs WITHIN SQL*forms it has access to your keyboard and screen,
>just like Forms does. Additionally, forms adds a bunch of packages to the
>PL/SQL language (for example, MESSAGE() :-) ) which actually end up calling
>a SQL*Forms routine.
>
>>I have built an SQL*Plus script, wich use in-line PL/SQL. My problem is that
>>there is no way to print a message on the screen when you are inside the
>>PL/SQL block!
>
>Right. When you are in SQL*Plus, the PL/SQL is running on the DATABASE
>engine, not within SQL*plus. The "Database engine" has no access to your
>screen at all, nor are these predefined packages available to it.
>
>> I wonder if someone have a solution for this. I can't understand
>>why there is no ECHO, PRINT, TYPE, REMARK, COMMAND, MESSAGE or any such command
>>that simply print-out a text string!
>
>The solution, which only works if you can execute a standard.COMMIT statement,
>is to insert trace and other information in a table which you can view
>after the fact. This doesn't work if you need to ROLLBACK any of your work,
>since the trace info ends up rolled back, too. :(
>
>>--
>> Stephane Hamel (SHamel_at_Mais.Hydro.Qc.Ca)
>
>Hope that helps a little. One of the things that CAN work is to
>use "SELECT 'I got to point3' INTO :variable FROM DUAL" within a Pro*C
>embedded PL/SQL block, you can use as many variables as you want to know
>how things are going.
>
>--
>Andrew Finkenstadt | Vista-Chrome, Inc. | andy_at_GEnie
>GEnie Unix Sysop/Manager | The Printing House | NIC Handle: AF136
>+1 904 222 2639 home | 1600 Capital Cir SW | ...!uunet!rde!andy
>+1 904 575 0189 work | Tallahassee FL 32310 | andy_at_vistachrome.com
>---------> "Our OS which art in CPU... UNIX be thy name" <----------
Received on Tue Sep 22 1992 - 03:53:44 CEST

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