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-rw-r--r--src/pl/plpython/sql/plpython_setof.sql46
1 files changed, 46 insertions, 0 deletions
diff --git a/src/pl/plpython/sql/plpython_setof.sql b/src/pl/plpython/sql/plpython_setof.sql
new file mode 100644
index 0000000000..881d90222f
--- /dev/null
+++ b/src/pl/plpython/sql/plpython_setof.sql
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+--
+-- Test returning SETOF
+--
+
+CREATE FUNCTION test_setof_as_list(count integer, content text) RETURNS SETOF text AS $$
+return [ content ]*count
+$$ LANGUAGE plpythonu;
+
+CREATE FUNCTION test_setof_as_tuple(count integer, content text) RETURNS SETOF text AS $$
+t = ()
+for i in xrange(count):
+ t += ( content, )
+return t
+$$ LANGUAGE plpythonu;
+
+CREATE FUNCTION test_setof_as_iterator(count integer, content text) RETURNS SETOF text AS $$
+class producer:
+ def __init__ (self, icount, icontent):
+ self.icontent = icontent
+ self.icount = icount
+ def __iter__ (self):
+ return self
+ def next (self):
+ if self.icount == 0:
+ raise StopIteration
+ self.icount -= 1
+ return self.icontent
+return producer(count, content)
+$$ LANGUAGE plpythonu;
+
+
+-- Test set returning functions
+SELECT test_setof_as_list(0, 'list');
+SELECT test_setof_as_list(1, 'list');
+SELECT test_setof_as_list(2, 'list');
+SELECT test_setof_as_list(2, null);
+
+SELECT test_setof_as_tuple(0, 'tuple');
+SELECT test_setof_as_tuple(1, 'tuple');
+SELECT test_setof_as_tuple(2, 'tuple');
+SELECT test_setof_as_tuple(2, null);
+
+SELECT test_setof_as_iterator(0, 'list');
+SELECT test_setof_as_iterator(1, 'list');
+SELECT test_setof_as_iterator(2, 'list');
+SELECT test_setof_as_iterator(2, null);