1 files changed, 117 insertions, 0 deletions
diff --git a/contrib/jsonb_plperl/sql/jsonb_plperl.sql b/contrib/jsonb_plperl/sql/jsonb_plperl.sql
new file mode 100644
index 0000000..a5b2cff
--- /dev/null
+++ b/contrib/jsonb_plperl/sql/jsonb_plperl.sql
@@ -0,0 +1,117 @@
+CREATE EXTENSION jsonb_plperl CASCADE;
+
+
+CREATE FUNCTION testHVToJsonb() RETURNS jsonb
+LANGUAGE plperl
+TRANSFORM FOR TYPE jsonb
+AS $$
+$val = {a => 1, b => 'boo', c => undef};
+return $val;
+$$;
+
+SELECT testHVToJsonb();
+
+
+CREATE FUNCTION testAVToJsonb() RETURNS jsonb
+LANGUAGE plperl
+TRANSFORM FOR TYPE jsonb
+AS $$
+$val = [{a => 1, b => 'boo', c => undef}, {d => 2}];
+return $val;
+$$;
+
+SELECT testAVToJsonb();
+
+
+CREATE FUNCTION testSVToJsonb() RETURNS jsonb
+LANGUAGE plperl
+TRANSFORM FOR TYPE jsonb
+AS $$
+$val = 1;
+return $val;
+$$;
+
+SELECT testSVToJsonb();
+
+
+CREATE FUNCTION testUVToJsonb() RETURNS jsonb
+LANGUAGE plperl
+TRANSFORM FOR TYPE jsonb
+as $$
+$val = ~0;
+return $val;
+$$;
+
+-- this might produce either 18446744073709551615 or 4294967295
+SELECT testUVToJsonb() IN ('18446744073709551615'::jsonb, '4294967295'::jsonb);
+
+
+-- this revealed a bug in the original implementation
+CREATE FUNCTION testRegexpResultToJsonb() RETURNS jsonb
+LANGUAGE plperl
+TRANSFORM FOR TYPE jsonb
+AS $$
+return ('1' =~ m(0\t2));
+$$;
+
+SELECT testRegexpResultToJsonb();
+
+
+-- this revealed a different bug
+CREATE FUNCTION testTextToJsonbObject(text) RETURNS jsonb
+LANGUAGE plperl
+TRANSFORM FOR TYPE jsonb
+AS $$
+my $x = shift;
+return {a => $x};
+$$;
+
+SELECT testTextToJsonbObject('abc');
+SELECT testTextToJsonbObject(NULL);
+
+
+CREATE FUNCTION roundtrip(val jsonb, ref text = '') RETURNS jsonb
+LANGUAGE plperl
+TRANSFORM FOR TYPE jsonb
+AS $$
+# can't use Data::Dumper, but let's at least check for unexpected ref type
+die 'unexpected '.(ref($_[0]) || 'not a').' reference'
+    if ref($_[0]) ne $_[1];
+return $_[0];
+$$;
+
+
+SELECT roundtrip('null') is null;
+SELECT roundtrip('1');
+SELECT roundtrip('1E+131071');
+SELECT roundtrip('-1');
+SELECT roundtrip('1.2');
+SELECT roundtrip('-1.2');
+SELECT roundtrip('"string"');
+SELECT roundtrip('"NaN"');
+
+SELECT roundtrip('true');
+SELECT roundtrip('false');
+
+SELECT roundtrip('[]', 'ARRAY');
+SELECT roundtrip('[null, null]', 'ARRAY');
+SELECT roundtrip('[1, 2, 3]', 'ARRAY');
+SELECT roundtrip('[-1, 2, -3]', 'ARRAY');
+SELECT roundtrip('[1.2, 2.3, 3.4]', 'ARRAY');
+SELECT roundtrip('[-1.2, 2.3, -3.4]', 'ARRAY');
+SELECT roundtrip('["string1", "string2"]', 'ARRAY');
+SELECT roundtrip('[["string1", "string2"]]', 'ARRAY');
+
+SELECT roundtrip('{}', 'HASH');
+SELECT roundtrip('{"1": null}', 'HASH');
+SELECT roundtrip('{"1": 1}', 'HASH');
+SELECT roundtrip('{"1": -1}', 'HASH');
+SELECT roundtrip('{"1": 1.1}', 'HASH');
+SELECT roundtrip('{"1": -1.1}', 'HASH');
+SELECT roundtrip('{"1": "string1"}', 'HASH');
+
+SELECT roundtrip('{"1": {"2": [3, 4, 5]}, "2": 3}', 'HASH');
+
+
+\set VERBOSITY terse \\ -- suppress cascade details
+DROP EXTENSION plperl CASCADE;