Fix ancient typo in user-defined-aggregates documentation.

tglsfdc · tglsfdc · commit ba7d020d9d6e · 2011-03-23T12:33:14.000-04:00
The description of the initcond value for the built-in avg(float8)
aggregate has been wrong since it was written.  Noted by Disc Magnet.
diff --git a/doc/src/sgml/xaggr.sgml b/doc/src/sgml/xaggr.sgml
@@ -106,7 +106,7 @@ CREATE AGGREGATE avg (float8)
     sfunc = float8_accum,
     stype = float8[],
     finalfunc = float8_avg,
-    initcond = '{0,0}'
+    initcond = '{0,0,0}'
 );
 </programlisting>
   </para>
