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Writting PL/pgSQL in the main body

Writting PL/pgSQL in the main body

Writting PL/pgSQL in the main body

I want to write a loop using PL/pgSQL to perform an incrementing loop that will substitute the numbers in the query.  PostGreSQL documentation shows writting PL/pgSQL code inside function definitions, but I have no need to create a function.
Can I write PL/pgSQL code directly alongside other queries?
If I have to create a function, how can I run a function by itself without placing it inside a query?

  year INTEGER := 0;
    EXECUTE ''
    EXECUTE ''
      -- if source cost data is a comment or other invalid cost value, then copy data to destination comment field
      UPDATE master
          fnote'' || year || '' = baseline.fyear'' || year || '',
          fyear'' || year || '' = NULL
        FROM baseline
          master.ckt_id = baseline.ckt_id AND
          baseline.fyear'' || year || '' !~ ''''(^[0-9]+\.?[0-9]*$)|(^\.[0-9]+$)''''
    year := year + 1;
    EXIT WHEN year = 10;
' LANGUAGE 'plpgsql';

RE: Writting PL/pgSQL in the main body

Hi tech4science,

You might take a look at the PostgreSQL cookbook pages.  There are a number of functions that may give you some ideas.  The PostgreSQL cookbook pages can be found at the following link:


Also, you might consider placing you incrementing date loop inside a front-end programming language like perl, php, python, C/C++, VBA, FoxPro, etc and execute it programmically from within an application.


Leland F. Jackson, CPA
Software - Master (TM)
Nothing Runs Like the Fox

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