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>8.86. registry_get_int4(p_default text, p_key integer)</A
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>Function Properties</B
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>Language: </B
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>Return Type: </B
>integer</P
>
 
       registry_get_int4(key, value)

Get a registry value. If not present, set and return the default.
        </P><PRE
CLASS="PROGRAMLISTING"
>DECLARE
	v_value		int4;
BEGIN
	select reg_int4 into v_value from sl_registry
			where reg_key = p_key;
	if not found then 
		v_value = p_default;
		if p_default notnull then
			perform registry_set_int4(p_key, p_default);
		end if;
	else
		if v_value is null then
			raise exception 'Slony-I: registry key % is not an int4 value',
					p_key;
		end if;
	end if;
	return v_value;
END;</PRE
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