Task 1 plpgsql done

1 files changed, 20 insertions, 0 deletions

diff --git a/challenge-217/luca-ferrari/postgresql/ch-1.sql b/challenge-217/luca-ferrari/postgresql/ch-1.sql
new file mode 100644
index 0000000000..e4419e71c9
--- /dev/null
+++ b/challenge-217/luca-ferrari/postgresql/ch-1.sql
@@ -0,0 +1,20 @@
+--
+-- Perl Weekly Challenge 217
+-- Task 1
+--
+-- See <https://perlweeklychallenge.org/blog/perl-weekly-challenge-217/>
+--
+
+CREATE SCHEMA IF NOT EXISTS pwc217;
+
+CREATE OR REPLACE FUNCTION
+pwc217.task1_plpgsql( a int[] )
+RETURNS int
+AS $CODE$
+   SELECT v
+   FROM unnest( a ) v
+   ORDER BY 1
+   LIMIT 1
+   OFFSET 3;
+$CODE$
+LANGUAGE sql;