"Jan Peters" <[EMAIL PROTECTED]> writes:
> ERROR: operator is not unique: "unknown" || real[]

> EXECUTE 'SELECT id FROM precip_arrays WHERE  '||b||' = precip_control;' INTO 
> id_result;

Seems like using EXECUTE is the hardest possible way to do this.  Why
don't you just SELECT?

SELECT id FROM precip_arrays WHERE b = precip_control INTO id_result;

If you insist on using EXECUTE then you're going to have to fool with
converting the array to an appropriate text representation.

                        regards, tom lane

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