agg_text_sum(txt_new text, txt_before text)

Slony-I 2.2.10 Documentation
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# 8.27. agg_text_sum(txt_new text, txt_before text)

Function Properties

Language: PLPGSQL

Return Type: text

An accumulator function used by the slony string_agg function to aggregate rows into a string

    DECLARE
      c_delim text;
    BEGIN
        c_delim = ',';
    	IF (txt_before IS NULL or txt_before='') THEN
    	   RETURN txt_new;
    	END IF;
    	RETURN txt_before || c_delim || txt_new;
    END;

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