Hello Alexey,

>What about compilation of stored procedures - is it true that it is
>possible to create SP with errors, and they appear only when it will be
>invoked?

Yes, some errors are 'allowed', like a mismatch in parameter name in
declaration and code. You'll get an error when executing, eg:

' column "p_inventory_id2" does not exist '

A wrong variable name as the target for an assignment, however, isn't 
allowed.

>Also, about checking the parameters - is it true that you can create
>stored procedure which invokes other stored procedure with wrong list of
>parameters, and it will give error only at the execution time?

Yes, correct. Example:
CREATE OR REPLACE FUNCTION public.last_day(Timestamp)

Call v_d = last_day(); results in:
' function last_day() does not exist '

PostgreSQL supports multiple stored routine languages out of the box: 'sql'
and 'plpgsql', with different (weird) syntax.

And it supports parameter overloading > functions with the same name but
a different number of parameters.

Also, triggers are different > you need a stored function that returns 
'trigger',
and when creating a trigger, you assign it that function. Triggers don't 
have
code.


Hope this helps.


With regards,

Martijn Tonies
Upscene Productions
http://www.upscene.com


On 07.11.2018 19:27, 'Martijn Tonies (Upscene Productions)'
m.ton...@upscene.com [firebird-support] wrote:
> Yes, it's true and it's rather annoying when, for example, developing an
> interactive database development tool;)



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Visit http://www.firebirdsql.org and click the Documentation item
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    • ... Dimitry Sibiryakov s...@ibphoenix.com [firebird-support]
      • ... 'Martijn Tonies (Upscene Productions)' m.ton...@upscene.com [firebird-support]
        • ... Alexey Kovyazin a...@ib-aid.com [firebird-support]
          • ... 'Martijn Tonies (Upscene Productions)' m.ton...@upscene.com [firebird-support]
            • ... Alexey Kovyazin a...@ib-aid.com [firebird-support]
              • ... Dalton Calford dalton.calf...@gmail.com [firebird-support]
              • ... Alexey Kovyazin a...@ib-aid.com [firebird-support]
              • ... Dalton Calford dalton.calf...@gmail.com [firebird-support]
              • ... Alexey Kovyazin a...@ib-aid.com [firebird-support]
          • ... 'Marcin Bury' marcin.b...@studio-delfi.pl [firebird-support]
          • ... 'Martijn Tonies (Upscene Productions)' m.ton...@upscene.com [firebird-support]
  • ... liviuslivius liviusliv...@poczta.onet.pl [firebird-support]
    • ... Alexey Kovyazin a...@ib-aid.com [firebird-support]

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