98 lines
2.0 KiB
Plaintext
98 lines
2.0 KiB
Plaintext
CREATE EXTENSION bool_plperl CASCADE;
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NOTICE: installing required extension "plperl"
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--- test transforming from perl
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CREATE FUNCTION perl2int(int) RETURNS bool
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LANGUAGE plperl
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TRANSFORM FOR TYPE bool
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AS $$
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return shift;
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$$;
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CREATE FUNCTION perl2text(text) RETURNS bool
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LANGUAGE plperl
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TRANSFORM FOR TYPE bool
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AS $$
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return shift;
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$$;
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CREATE FUNCTION perl2undef() RETURNS bool
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LANGUAGE plperl
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TRANSFORM FOR TYPE bool
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AS $$
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return undef;
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$$;
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SELECT perl2int(1);
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perl2int
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----------
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t
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(1 row)
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SELECT perl2int(0);
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perl2int
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----------
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f
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(1 row)
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SELECT perl2text('foo');
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perl2text
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-----------
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t
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(1 row)
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SELECT perl2text('');
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perl2text
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-----------
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f
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(1 row)
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SELECT perl2undef() IS NULL AS p;
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p
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---
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t
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(1 row)
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--- test transforming to perl
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CREATE FUNCTION bool2perl(bool, bool, bool) RETURNS void
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LANGUAGE plperl
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TRANSFORM FOR TYPE bool
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AS $$
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my ($x, $y, $z) = @_;
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die("NULL mistransformed") if (defined($z));
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die("TRUE mistransformed to UNDEF") if (!defined($x));
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die("FALSE mistransformed to UNDEF") if (!defined($y));
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die("TRUE mistransformed") if (!$x);
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die("FALSE mistransformed") if ($y);
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$$;
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SELECT bool2perl (true, false, NULL);
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bool2perl
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-----------
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(1 row)
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--- test selecting bool through SPI
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CREATE FUNCTION spi_test() RETURNS void
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LANGUAGE plperl
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TRANSFORM FOR TYPE bool
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AS $$
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my $rv = spi_exec_query('SELECT true t, false f, NULL n')->{rows}->[0];
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die("TRUE mistransformed to UNDEF in SPI") if (!defined ($rv->{t}));
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die("FALSE mistransformed to UNDEF in SPI") if (!defined ($rv->{f}));
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die("NULL mistransformed in SPI") if (defined ($rv->{n}));
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die("TRUE mistransformed in SPI") if (!$rv->{t});
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die("FALSE mistransformed in SPI") if ($rv->{f});
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$$;
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SELECT spi_test();
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spi_test
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----------
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(1 row)
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DROP EXTENSION plperl CASCADE;
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NOTICE: drop cascades to 6 other objects
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DETAIL: drop cascades to function spi_test()
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drop cascades to extension bool_plperl
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drop cascades to function perl2int(integer)
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drop cascades to function perl2text(text)
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drop cascades to function perl2undef()
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drop cascades to function bool2perl(boolean,boolean,boolean)
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