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Stored Procedure table/column args

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'psuedo

Can you create stored procedures that are built from parameters as
below, or does this defeat the pre-compiled purpose of an SP?

create function item_exists (tbl character varying, col character
varying, col_val character varying)

DECLARE
 x integer;

PERFORM col FROM tbl
       WHERE col="'" + col_val + "'"
	IF FOUND THEN
	 x := 1;
	else
	 x := 0;
	end if;

RETURN x;
	
....

left out some syntax, but should deliver the idea

trying to build build a generic "check for existing", that's not
specific to a specific table/column without returning recordset
object overhead

any better ways
thanks



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