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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;
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