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827eb4393c
The previous coding here didn't actually produce Inf or NaN double values in Perl versions 5.8.x. Adopt a suggestion from stackoverflow. Discussion: https://postgr.es/m/28585.1525131438@sss.pgh.pa.us
111 lines
2.1 KiB
PL/PgSQL
111 lines
2.1 KiB
PL/PgSQL
CREATE EXTENSION jsonb_plperlu CASCADE;
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CREATE FUNCTION testHVToJsonb() RETURNS jsonb
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LANGUAGE plperlu
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TRANSFORM FOR TYPE jsonb
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AS $$
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$val = {a => 1, b => 'boo', c => undef};
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return $val;
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$$;
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SELECT testHVToJsonb();
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CREATE FUNCTION testAVToJsonb() RETURNS jsonb
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LANGUAGE plperlu
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TRANSFORM FOR TYPE jsonb
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AS $$
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$val = [{a => 1, b => 'boo', c => undef}, {d => 2}];
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return $val;
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$$;
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SELECT testAVToJsonb();
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CREATE FUNCTION testSVToJsonb() RETURNS jsonb
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LANGUAGE plperlu
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TRANSFORM FOR TYPE jsonb
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AS $$
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$val = 1;
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return $val;
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$$;
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SELECT testSVToJsonb();
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CREATE FUNCTION testInf() RETURNS jsonb
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LANGUAGE plperlu
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TRANSFORM FOR TYPE jsonb
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AS $$
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$val = 9**9**9; # we assume this will overflow to +Inf
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return $val;
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$$;
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SELECT testInf();
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CREATE FUNCTION testNaN() RETURNS jsonb
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LANGUAGE plperlu
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TRANSFORM FOR TYPE jsonb
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AS $$
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$val = sin(9**9**9); # we assume sin(inf) will yield NaN
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return $val;
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$$;
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SELECT testNaN();
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-- this revealed a bug in the original implementation
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CREATE FUNCTION testRegexpResultToJsonb() RETURNS jsonb
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LANGUAGE plperlu
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TRANSFORM FOR TYPE jsonb
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AS $$
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return ('1' =~ m(0\t2));
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$$;
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SELECT testRegexpResultToJsonb();
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CREATE FUNCTION roundtrip(val jsonb) RETURNS jsonb
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LANGUAGE plperlu
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TRANSFORM FOR TYPE jsonb
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AS $$
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return $_[0];
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$$;
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SELECT roundtrip('null');
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SELECT roundtrip('1');
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SELECT roundtrip('1E+131071');
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SELECT roundtrip('-1');
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SELECT roundtrip('1.2');
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SELECT roundtrip('-1.2');
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SELECT roundtrip('"string"');
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SELECT roundtrip('"NaN"');
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SELECT roundtrip('true');
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SELECT roundtrip('false');
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SELECT roundtrip('[]');
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SELECT roundtrip('[null, null]');
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SELECT roundtrip('[1, 2, 3]');
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SELECT roundtrip('[-1, 2, -3]');
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SELECT roundtrip('[1.2, 2.3, 3.4]');
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SELECT roundtrip('[-1.2, 2.3, -3.4]');
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SELECT roundtrip('["string1", "string2"]');
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SELECT roundtrip('{}');
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SELECT roundtrip('{"1": null}');
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SELECT roundtrip('{"1": 1}');
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SELECT roundtrip('{"1": -1}');
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SELECT roundtrip('{"1": 1.1}');
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SELECT roundtrip('{"1": -1.1}');
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SELECT roundtrip('{"1": "string1"}');
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SELECT roundtrip('{"1": {"2": [3, 4, 5]}, "2": 3}');
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\set VERBOSITY terse \\ -- suppress cascade details
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DROP EXTENSION plperlu CASCADE;
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