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+--
+-- Perl Weekly Challenge 270
+-- Task 1
+-- See <https://perlweeklychallenge.org/blog/perl-weekly-challenge-270>
+--
+
+CREATE SCHEMA IF NOT EXISTS pwc270;
+
+CREATE OR REPLACE FUNCTION
+pwc270.task1_plpgsql( matrix int[][] )
+RETURNS SETOF int[]
+AS $CODE$
+   SELECT pwc270.task1_plperl( matrix );
+$CODE$
+LANGUAGE sql;