diff options
Diffstat (limited to 'src/pl/plperl/sql')
-rw-r--r-- | src/pl/plperl/sql/plperl.sql | 523 | ||||
-rw-r--r-- | src/pl/plperl/sql/plperl_array.sql | 208 | ||||
-rw-r--r-- | src/pl/plperl/sql/plperl_call.sql | 78 | ||||
-rw-r--r-- | src/pl/plperl/sql/plperl_elog.sql | 93 | ||||
-rw-r--r-- | src/pl/plperl/sql/plperl_end.sql | 29 | ||||
-rw-r--r-- | src/pl/plperl/sql/plperl_init.sql | 41 | ||||
-rw-r--r-- | src/pl/plperl/sql/plperl_lc.sql | 8 | ||||
-rw-r--r-- | src/pl/plperl/sql/plperl_plperlu.sql | 58 | ||||
-rw-r--r-- | src/pl/plperl/sql/plperl_setup.sql | 73 | ||||
-rw-r--r-- | src/pl/plperl/sql/plperl_shared.sql | 41 | ||||
-rw-r--r-- | src/pl/plperl/sql/plperl_transaction.sql | 195 | ||||
-rw-r--r-- | src/pl/plperl/sql/plperl_trigger.sql | 259 | ||||
-rw-r--r-- | src/pl/plperl/sql/plperl_util.sql | 121 | ||||
-rw-r--r-- | src/pl/plperl/sql/plperlu.sql | 17 |
14 files changed, 1744 insertions, 0 deletions
diff --git a/src/pl/plperl/sql/plperl.sql b/src/pl/plperl/sql/plperl.sql new file mode 100644 index 0000000..bb0b8ce --- /dev/null +++ b/src/pl/plperl/sql/plperl.sql @@ -0,0 +1,523 @@ +-- +-- Test result value processing +-- + +CREATE OR REPLACE FUNCTION perl_int(int) RETURNS INTEGER AS $$ +return undef; +$$ LANGUAGE plperl; + +SELECT perl_int(11); +SELECT * FROM perl_int(42); + +CREATE OR REPLACE FUNCTION perl_int(int) RETURNS INTEGER AS $$ +return $_[0] + 1; +$$ LANGUAGE plperl; + +SELECT perl_int(11); +SELECT * FROM perl_int(42); + + +CREATE OR REPLACE FUNCTION perl_set_int(int) RETURNS SETOF INTEGER AS $$ +return undef; +$$ LANGUAGE plperl; + +SELECT perl_set_int(5); +SELECT * FROM perl_set_int(5); + +CREATE OR REPLACE FUNCTION perl_set_int(int) RETURNS SETOF INTEGER AS $$ +return [0..$_[0]]; +$$ LANGUAGE plperl; + +SELECT perl_set_int(5); +SELECT * FROM perl_set_int(5); + + +CREATE TYPE testnestperl AS (f5 integer[]); +CREATE TYPE testrowperl AS (f1 integer, f2 text, f3 text, f4 testnestperl); + +CREATE OR REPLACE FUNCTION perl_row() RETURNS testrowperl AS $$ + return undef; +$$ LANGUAGE plperl; + +SELECT perl_row(); +SELECT * FROM perl_row(); + + +CREATE OR REPLACE FUNCTION perl_row() RETURNS testrowperl AS $$ + return {f2 => 'hello', f1 => 1, f3 => 'world', 'f4' => { 'f5' => [[1]] } }; +$$ LANGUAGE plperl; + +SELECT perl_row(); +SELECT * FROM perl_row(); + +-- test returning a composite literal +CREATE OR REPLACE FUNCTION perl_row_lit() RETURNS testrowperl AS $$ + return '(1,hello,world,"({{1}})")'; +$$ LANGUAGE plperl; + +SELECT perl_row_lit(); + + +CREATE OR REPLACE FUNCTION perl_set() RETURNS SETOF testrowperl AS $$ + return undef; +$$ LANGUAGE plperl; + +SELECT perl_set(); +SELECT * FROM perl_set(); + +CREATE OR REPLACE FUNCTION perl_set() RETURNS SETOF testrowperl AS $$ + return [ + { f1 => 1, f2 => 'Hello', f3 => 'World' }, + undef, + { f1 => 3, f2 => 'Hello', f3 => 'PL/Perl', 'f4' => {} }, + { f1 => 4, f2 => 'Hello', f3 => 'PL/Perl', 'f4' => { 'f5' => undef }}, + { f1 => 5, f2 => 'Hello', f3 => 'PL/Perl', 'f4' => { 'f5' => '{1}' }}, + { f1 => 6, f2 => 'Hello', f3 => 'PL/Perl', 'f4' => { 'f5' => [1] }}, + ]; +$$ LANGUAGE plperl; + +SELECT perl_set(); +SELECT * FROM perl_set(); + +CREATE OR REPLACE FUNCTION perl_set() RETURNS SETOF testrowperl AS $$ + return [ + { f1 => 1, f2 => 'Hello', f3 => 'World' }, + { f1 => 2, f2 => 'Hello', f3 => 'PostgreSQL', 'f4' => undef }, + { f1 => 3, f2 => 'Hello', f3 => 'PL/Perl', 'f4' => {} }, + { f1 => 4, f2 => 'Hello', f3 => 'PL/Perl', 'f4' => { 'f5' => undef }}, + { f1 => 5, f2 => 'Hello', f3 => 'PL/Perl', 'f4' => { 'f5' => '{1}' }}, + { f1 => 6, f2 => 'Hello', f3 => 'PL/Perl', 'f4' => { 'f5' => [1] }}, + { f1 => 7, f2 => 'Hello', f3 => 'PL/Perl', 'f4' => '({1})' }, + ]; +$$ LANGUAGE plperl; + +SELECT perl_set(); +SELECT * FROM perl_set(); + +CREATE OR REPLACE FUNCTION perl_record() RETURNS record AS $$ + return undef; +$$ LANGUAGE plperl; + +SELECT perl_record(); +SELECT * FROM perl_record(); +SELECT * FROM perl_record() AS (f1 integer, f2 text, f3 text, f4 testnestperl); + +CREATE OR REPLACE FUNCTION perl_record() RETURNS record AS $$ + return {f2 => 'hello', f1 => 1, f3 => 'world', 'f4' => { 'f5' => [1] } }; +$$ LANGUAGE plperl; + +SELECT perl_record(); +SELECT * FROM perl_record(); +SELECT * FROM perl_record() AS (f1 integer, f2 text, f3 text, f4 testnestperl); + + +CREATE OR REPLACE FUNCTION perl_record_set() RETURNS SETOF record AS $$ + return undef; +$$ LANGUAGE plperl; + +SELECT perl_record_set(); +SELECT * FROM perl_record_set(); +SELECT * FROM perl_record_set() AS (f1 integer, f2 text, f3 text); + +CREATE OR REPLACE FUNCTION perl_record_set() RETURNS SETOF record AS $$ + return [ + { f1 => 1, f2 => 'Hello', f3 => 'World' }, + undef, + { f1 => 3, f2 => 'Hello', f3 => 'PL/Perl' } + ]; +$$ LANGUAGE plperl; + +SELECT perl_record_set(); +SELECT * FROM perl_record_set(); +SELECT * FROM perl_record_set() AS (f1 integer, f2 text, f3 text); + +CREATE OR REPLACE FUNCTION perl_record_set() RETURNS SETOF record AS $$ + return [ + { f1 => 1, f2 => 'Hello', f3 => 'World' }, + { f1 => 2, f2 => 'Hello', f3 => 'PostgreSQL' }, + { f1 => 3, f2 => 'Hello', f3 => 'PL/Perl' } + ]; +$$ LANGUAGE plperl; + +SELECT perl_record_set(); +SELECT * FROM perl_record_set(); +SELECT * FROM perl_record_set() AS (f1 integer, f2 text, f3 text); + +CREATE OR REPLACE FUNCTION +perl_out_params(f1 out integer, f2 out text, f3 out text) AS $$ + return {f2 => 'hello', f1 => 1, f3 => 'world'}; +$$ LANGUAGE plperl; + +SELECT perl_out_params(); +SELECT * FROM perl_out_params(); +SELECT (perl_out_params()).f2; + +CREATE OR REPLACE FUNCTION +perl_out_params_set(out f1 integer, out f2 text, out f3 text) +RETURNS SETOF record AS $$ + return [ + { f1 => 1, f2 => 'Hello', f3 => 'World' }, + { f1 => 2, f2 => 'Hello', f3 => 'PostgreSQL' }, + { f1 => 3, f2 => 'Hello', f3 => 'PL/Perl' } + ]; +$$ LANGUAGE plperl; + +SELECT perl_out_params_set(); +SELECT * FROM perl_out_params_set(); +SELECT (perl_out_params_set()).f3; + +-- +-- Check behavior with erroneous return values +-- + +CREATE TYPE footype AS (x INTEGER, y INTEGER); + +CREATE OR REPLACE FUNCTION foo_good() RETURNS SETOF footype AS $$ +return [ + {x => 1, y => 2}, + {x => 3, y => 4} +]; +$$ LANGUAGE plperl; + +SELECT * FROM foo_good(); + +CREATE OR REPLACE FUNCTION foo_bad() RETURNS footype AS $$ + return {y => 3, z => 4}; +$$ LANGUAGE plperl; + +SELECT * FROM foo_bad(); + +CREATE OR REPLACE FUNCTION foo_bad() RETURNS footype AS $$ +return 42; +$$ LANGUAGE plperl; + +SELECT * FROM foo_bad(); + +CREATE OR REPLACE FUNCTION foo_bad() RETURNS footype AS $$ +return [ + [1, 2], + [3, 4] +]; +$$ LANGUAGE plperl; + +SELECT * FROM foo_bad(); + +CREATE OR REPLACE FUNCTION foo_set_bad() RETURNS SETOF footype AS $$ + return 42; +$$ LANGUAGE plperl; + +SELECT * FROM foo_set_bad(); + +CREATE OR REPLACE FUNCTION foo_set_bad() RETURNS SETOF footype AS $$ + return {y => 3, z => 4}; +$$ LANGUAGE plperl; + +SELECT * FROM foo_set_bad(); + +CREATE OR REPLACE FUNCTION foo_set_bad() RETURNS SETOF footype AS $$ +return [ + [1, 2], + [3, 4] +]; +$$ LANGUAGE plperl; + +SELECT * FROM foo_set_bad(); + +CREATE OR REPLACE FUNCTION foo_set_bad() RETURNS SETOF footype AS $$ +return [ + {y => 3, z => 4} +]; +$$ LANGUAGE plperl; + +SELECT * FROM foo_set_bad(); + +CREATE DOMAIN orderedfootype AS footype CHECK ((VALUE).x <= (VALUE).y); + +CREATE OR REPLACE FUNCTION foo_ordered() RETURNS orderedfootype AS $$ + return {x => 3, y => 4}; +$$ LANGUAGE plperl; + +SELECT * FROM foo_ordered(); + +CREATE OR REPLACE FUNCTION foo_ordered() RETURNS orderedfootype AS $$ + return {x => 5, y => 4}; +$$ LANGUAGE plperl; + +SELECT * FROM foo_ordered(); -- fail + +CREATE OR REPLACE FUNCTION foo_ordered_set() RETURNS SETOF orderedfootype AS $$ +return [ + {x => 3, y => 4}, + {x => 4, y => 7} +]; +$$ LANGUAGE plperl; + +SELECT * FROM foo_ordered_set(); + +CREATE OR REPLACE FUNCTION foo_ordered_set() RETURNS SETOF orderedfootype AS $$ +return [ + {x => 3, y => 4}, + {x => 9, y => 7} +]; +$$ LANGUAGE plperl; + +SELECT * FROM foo_ordered_set(); -- fail + +-- +-- Check passing a tuple argument +-- + +CREATE OR REPLACE FUNCTION perl_get_field(footype, text) RETURNS integer AS $$ + return $_[0]->{$_[1]}; +$$ LANGUAGE plperl; + +SELECT perl_get_field((11,12), 'x'); +SELECT perl_get_field((11,12), 'y'); +SELECT perl_get_field((11,12), 'z'); + +CREATE OR REPLACE FUNCTION perl_get_cfield(orderedfootype, text) RETURNS integer AS $$ + return $_[0]->{$_[1]}; +$$ LANGUAGE plperl; + +SELECT perl_get_cfield((11,12), 'x'); +SELECT perl_get_cfield((11,12), 'y'); +SELECT perl_get_cfield((12,11), 'x'); -- fail + +CREATE OR REPLACE FUNCTION perl_get_rfield(record, text) RETURNS integer AS $$ + return $_[0]->{$_[1]}; +$$ LANGUAGE plperl; + +SELECT perl_get_rfield((11,12), 'f1'); +SELECT perl_get_rfield((11,12)::footype, 'y'); +SELECT perl_get_rfield((11,12)::orderedfootype, 'x'); +SELECT perl_get_rfield((12,11)::orderedfootype, 'x'); -- fail + +-- +-- Test return_next +-- + +CREATE OR REPLACE FUNCTION perl_srf_rn() RETURNS SETOF RECORD AS $$ +my $i = 0; +for ("World", "PostgreSQL", "PL/Perl") { + return_next({f1=>++$i, f2=>'Hello', f3=>$_}); +} +return; +$$ language plperl; +SELECT * from perl_srf_rn() AS (f1 INTEGER, f2 TEXT, f3 TEXT); + +-- +-- Test spi_query/spi_fetchrow +-- + +CREATE OR REPLACE FUNCTION perl_spi_func() RETURNS SETOF INTEGER AS $$ +my $x = spi_query("select 1 as a union select 2 as a"); +while (defined (my $y = spi_fetchrow($x))) { + return_next($y->{a}); +} +return; +$$ LANGUAGE plperl; +SELECT * from perl_spi_func(); + +-- +-- Test spi_fetchrow abort +-- +CREATE OR REPLACE FUNCTION perl_spi_func2() RETURNS INTEGER AS $$ +my $x = spi_query("select 1 as a union select 2 as a"); +spi_cursor_close( $x); +return 0; +$$ LANGUAGE plperl; +SELECT * from perl_spi_func2(); + + +--- +--- Test recursion via SPI +--- + + +CREATE OR REPLACE FUNCTION recurse(i int) RETURNS SETOF TEXT LANGUAGE plperl +AS $$ + + my $i = shift; + foreach my $x (1..$i) + { + return_next "hello $x"; + } + if ($i > 2) + { + my $z = $i-1; + my $cursor = spi_query("select * from recurse($z)"); + while (defined(my $row = spi_fetchrow($cursor))) + { + return_next "recurse $i: $row->{recurse}"; + } + } + return undef; + +$$; + +SELECT * FROM recurse(2); +SELECT * FROM recurse(3); + + +--- +--- Test array return +--- +CREATE OR REPLACE FUNCTION array_of_text() RETURNS TEXT[][] +LANGUAGE plperl as $$ + return [['a"b',undef,'c,d'],['e\\f',undef,'g']]; +$$; + +SELECT array_of_text(); + +-- +-- Test spi_prepare/spi_exec_prepared/spi_freeplan +-- +CREATE OR REPLACE FUNCTION perl_spi_prepared(INTEGER) RETURNS INTEGER AS $$ + my $x = spi_prepare('select $1 AS a', 'INTEGER'); + my $q = spi_exec_prepared( $x, $_[0] + 1); + spi_freeplan($x); +return $q->{rows}->[0]->{a}; +$$ LANGUAGE plperl; +SELECT * from perl_spi_prepared(42); + +-- +-- Test spi_prepare/spi_query_prepared/spi_freeplan +-- +CREATE OR REPLACE FUNCTION perl_spi_prepared_set(INTEGER, INTEGER) RETURNS SETOF INTEGER AS $$ + my $x = spi_prepare('SELECT $1 AS a union select $2 as a', 'INT4', 'INT4'); + my $q = spi_query_prepared( $x, 1+$_[0], 2+$_[1]); + while (defined (my $y = spi_fetchrow($q))) { + return_next $y->{a}; + } + spi_freeplan($x); + return; +$$ LANGUAGE plperl; +SELECT * from perl_spi_prepared_set(1,2); + +-- +-- Test prepare with a type with spaces +-- +CREATE OR REPLACE FUNCTION perl_spi_prepared_double(double precision) RETURNS double precision AS $$ + my $x = spi_prepare('SELECT 10.0 * $1 AS a', 'DOUBLE PRECISION'); + my $q = spi_query_prepared($x,$_[0]); + my $result; + while (defined (my $y = spi_fetchrow($q))) { + $result = $y->{a}; + } + spi_freeplan($x); + return $result; +$$ LANGUAGE plperl; +SELECT perl_spi_prepared_double(4.35) as "double precision"; + +-- +-- Test with a bad type +-- +CREATE OR REPLACE FUNCTION perl_spi_prepared_bad(double precision) RETURNS double precision AS $$ + my $x = spi_prepare('SELECT 10.0 * $1 AS a', 'does_not_exist'); + my $q = spi_query_prepared($x,$_[0]); + my $result; + while (defined (my $y = spi_fetchrow($q))) { + $result = $y->{a}; + } + spi_freeplan($x); + return $result; +$$ LANGUAGE plperl; +SELECT perl_spi_prepared_bad(4.35) as "double precision"; + +-- Test with a row type +CREATE OR REPLACE FUNCTION perl_spi_prepared() RETURNS INTEGER AS $$ + my $x = spi_prepare('select $1::footype AS a', 'footype'); + my $q = spi_exec_prepared( $x, '(1, 2)'); + spi_freeplan($x); +return $q->{rows}->[0]->{a}->{x}; +$$ LANGUAGE plperl; +SELECT * from perl_spi_prepared(); + +CREATE OR REPLACE FUNCTION perl_spi_prepared_row(footype) RETURNS footype AS $$ + my $footype = shift; + my $x = spi_prepare('select $1 AS a', 'footype'); + my $q = spi_exec_prepared( $x, {}, $footype ); + spi_freeplan($x); +return $q->{rows}->[0]->{a}; +$$ LANGUAGE plperl; +SELECT * from perl_spi_prepared_row('(1, 2)'); + +-- simple test of a DO block +DO $$ + $a = 'This is a test'; + elog(NOTICE, $a); +$$ LANGUAGE plperl; + +-- check that restricted operations are rejected in a plperl DO block +DO $$ system("/nonesuch"); $$ LANGUAGE plperl; +DO $$ qx("/nonesuch"); $$ LANGUAGE plperl; +DO $$ open my $fh, "</nonesuch"; $$ LANGUAGE plperl; + +-- check that eval is allowed and eval'd restricted ops are caught +DO $$ eval q{chdir '.';}; warn "Caught: $@"; $$ LANGUAGE plperl; + +-- check that compiling do (dofile opcode) is allowed +-- but that executing it for a file not already loaded (via require) dies +DO $$ warn do "/dev/null"; $$ LANGUAGE plperl; + +-- check that we can't "use" a module that's not been loaded already +-- compile-time error: "Unable to load blib.pm into plperl" +DO $$ use blib; $$ LANGUAGE plperl; + +-- check that we can "use" a module that has already been loaded +-- runtime error: "Can't use string ("foo") as a SCALAR ref while "strict refs" in use +DO $do$ use strict; my $name = "foo"; my $ref = $$name; $do$ LANGUAGE plperl; + +-- check that we can "use warnings" (in this case to turn a warn into an error) +-- yields "ERROR: Useless use of sort in void context." +DO $do$ use warnings FATAL => qw(void) ; my @y; sort @y; 1; $do$ LANGUAGE plperl; + +-- make sure functions marked as VOID without an explicit return work +CREATE OR REPLACE FUNCTION myfuncs() RETURNS void AS $$ + $_SHARED{myquote} = sub { + my $arg = shift; + $arg =~ s/(['\\])/\\$1/g; + return "'$arg'"; + }; +$$ LANGUAGE plperl; + +SELECT myfuncs(); + +-- make sure we can't return an array as a scalar +CREATE OR REPLACE FUNCTION text_arrayref() RETURNS text AS $$ + return ['array']; +$$ LANGUAGE plperl; + +SELECT text_arrayref(); + +--- make sure we can't return a hash as a scalar +CREATE OR REPLACE FUNCTION text_hashref() RETURNS text AS $$ + return {'hash'=>1}; +$$ LANGUAGE plperl; + +SELECT text_hashref(); + +---- make sure we can't return a blessed object as a scalar +CREATE OR REPLACE FUNCTION text_obj() RETURNS text AS $$ + return bless({}, 'Fake::Object'); +$$ LANGUAGE plperl; + +SELECT text_obj(); + +-- test looking through a scalar ref +CREATE OR REPLACE FUNCTION text_scalarref() RETURNS text AS $$ + my $str = 'str'; + return \$str; +$$ LANGUAGE plperl; + +SELECT text_scalarref(); + +-- check safe behavior when a function body is replaced during execution +CREATE OR REPLACE FUNCTION self_modify(INTEGER) RETURNS INTEGER AS $$ + spi_exec_query('CREATE OR REPLACE FUNCTION self_modify(INTEGER) RETURNS INTEGER AS \'return $_[0] * 3;\' LANGUAGE plperl;'); + spi_exec_query('select self_modify(42) AS a'); + return $_[0] * 2; +$$ LANGUAGE plperl; + +SELECT self_modify(42); +SELECT self_modify(42); diff --git a/src/pl/plperl/sql/plperl_array.sql b/src/pl/plperl/sql/plperl_array.sql new file mode 100644 index 0000000..ca63b5d --- /dev/null +++ b/src/pl/plperl/sql/plperl_array.sql @@ -0,0 +1,208 @@ +CREATE OR REPLACE FUNCTION plperl_sum_array(INTEGER[]) RETURNS text AS $$ + my $array_arg = shift; + my $result = 0; + my @arrays; + + push @arrays, @$array_arg; + + while (@arrays > 0) { + my $el = shift @arrays; + if (is_array_ref($el)) { + push @arrays, @$el; + } else { + $result += $el; + } + } + return $result.' '.$array_arg; +$$ LANGUAGE plperl; + +select plperl_sum_array('{1,2,NULL}'); +select plperl_sum_array('{}'); +select plperl_sum_array('{{1,2,3}, {4,5,6}}'); +select plperl_sum_array('{{{1,2,3}, {4,5,6}}, {{7,8,9}, {10,11,12}}}'); + +-- check whether we can handle arrays of maximum dimension (6) +select plperl_sum_array(ARRAY[[[[[[1,2],[3,4]],[[5,6],[7,8]]],[[[9,10],[11,12]], +[[13,14],[15,16]]]], +[[[[17,18],[19,20]],[[21,22],[23,24]]],[[[25,26],[27,28]],[[29,30],[31,32]]]]], +[[[[[1,2],[3,4]],[[5,6],[7,8]]],[[[9,10],[11,12]],[[13,14],[15,16]]]], +[[[[17,18],[19,20]],[[21,22],[23,24]]],[[[25,26],[27,28]],[[29,30],[31,32]]]]]]); + +-- what would we do with the arrays exceeding maximum dimension (7) +select plperl_sum_array('{{{{{{{1,2},{3,4}},{{5,6},{7,8}}},{{{9,10},{11,12}}, +{{13,14},{15,16}}}}, +{{{{17,18},{19,20}},{{21,22},{23,24}}},{{{25,26},{27,28}},{{29,30},{31,32}}}}}, +{{{{{1,2},{3,4}},{{5,6},{7,8}}},{{{9,10},{11,12}},{{13,14},{15,16}}}}, +{{{{17,18},{19,20}},{{21,22},{23,24}}},{{{25,26},{27,28}},{{29,30},{31,32}}}}}}, +{{{{{{1,2},{3,4}},{{5,6},{7,8}}},{{{9,10},{11,12}},{{13,14},{15,16}}}}, +{{{{17,18},{19,20}},{{21,22},{23,24}}},{{{25,26},{27,28}},{{29,30},{31,32}}}}}, +{{{{{1,2},{3,4}},{{5,6},{7,8}}},{{{9,10},{11,12}},{{13,14},{15,16}}}}, +{{{{17,18},{19,20}},{{21,22},{23,24}}},{{{25,26},{27,28}},{{29,30},{31,32}}}}}}}' +); + +select plperl_sum_array('{{{1,2,3}, {4,5,6,7}}, {{7,8,9}, {10, 11, 12}}}'); + +CREATE OR REPLACE FUNCTION plperl_concat(TEXT[]) RETURNS TEXT AS $$ + my $array_arg = shift; + my $result = ""; + my @arrays; + + push @arrays, @$array_arg; + while (@arrays > 0) { + my $el = shift @arrays; + if (is_array_ref($el)) { + push @arrays, @$el; + } else { + $result .= $el; + } + } + return $result.' '.$array_arg; +$$ LANGUAGE plperl; + +select plperl_concat('{"NULL","NULL","NULL''"}'); +select plperl_concat('{{NULL,NULL,NULL}}'); +select plperl_concat('{"hello"," ","world!"}'); + +-- array of rows -- +CREATE TYPE foo AS (bar INTEGER, baz TEXT); +CREATE OR REPLACE FUNCTION plperl_array_of_rows(foo[]) RETURNS TEXT AS $$ + my $array_arg = shift; + my $result = ""; + + for my $row_ref (@$array_arg) { + die "not a hash reference" unless (ref $row_ref eq "HASH"); + $result .= $row_ref->{bar}." items of ".$row_ref->{baz}.";"; + } + return $result .' '. $array_arg; +$$ LANGUAGE plperl; + +select plperl_array_of_rows(ARRAY[ ROW(2, 'coffee'), ROW(0, 'sugar')]::foo[]); + +-- composite type containing arrays +CREATE TYPE rowfoo AS (bar INTEGER, baz INTEGER[]); + +CREATE OR REPLACE FUNCTION plperl_sum_row_elements(rowfoo) RETURNS TEXT AS $$ + my $row_ref = shift; + my $result; + + if (ref $row_ref ne 'HASH') { + $result = 0; + } + else { + $result = $row_ref->{bar}; + die "not an array reference".ref ($row_ref->{baz}) + unless (is_array_ref($row_ref->{baz})); + # process a single-dimensional array + foreach my $elem (@{$row_ref->{baz}}) { + $result += $elem unless ref $elem; + } + } + return $result; +$$ LANGUAGE plperl; + +select plperl_sum_row_elements(ROW(1, ARRAY[2,3,4,5,6,7,8,9,10])::rowfoo); + +-- composite type containing array of another composite type, which, in order, +-- contains an array of integers. +CREATE TYPE rowbar AS (foo rowfoo[]); + +CREATE OR REPLACE FUNCTION plperl_sum_array_of_rows(rowbar) RETURNS TEXT AS $$ + my $rowfoo_ref = shift; + my $result = 0; + + if (ref $rowfoo_ref eq 'HASH') { + my $row_array_ref = $rowfoo_ref->{foo}; + if (is_array_ref($row_array_ref)) { + foreach my $row_ref (@{$row_array_ref}) { + if (ref $row_ref eq 'HASH') { + $result += $row_ref->{bar}; + die "not an array reference".ref ($row_ref->{baz}) + unless (is_array_ref($row_ref->{baz})); + foreach my $elem (@{$row_ref->{baz}}) { + $result += $elem unless ref $elem; + } + } + else { + die "element baz is not a reference to a rowfoo"; + } + } + } else { + die "not a reference to an array of rowfoo elements" + } + } else { + die "not a reference to type rowbar"; + } + return $result; +$$ LANGUAGE plperl; + +select plperl_sum_array_of_rows(ROW(ARRAY[ROW(1, ARRAY[2,3,4,5,6,7,8,9,10])::rowfoo, +ROW(11, ARRAY[12,13,14,15,16,17,18,19,20])::rowfoo])::rowbar); + +-- check arrays as out parameters +CREATE OR REPLACE FUNCTION plperl_arrays_out(OUT INTEGER[]) AS $$ + return [[1,2,3],[4,5,6]]; +$$ LANGUAGE plperl; + +select plperl_arrays_out(); + +-- check that we can return the array we passed in +CREATE OR REPLACE FUNCTION plperl_arrays_inout(INTEGER[]) returns INTEGER[] AS $$ + return shift; +$$ LANGUAGE plperl; + +select plperl_arrays_inout('{{1}, {2}, {3}}'); + +-- check that we can return an array literal +CREATE OR REPLACE FUNCTION plperl_arrays_inout_l(INTEGER[]) returns INTEGER[] AS $$ + return shift.''; # stringify it +$$ LANGUAGE plperl; + +select plperl_arrays_inout_l('{{1}, {2}, {3}}'); + +-- check output of multi-dimensional arrays +CREATE FUNCTION plperl_md_array_out() RETURNS text[] AS $$ + return [['a'], ['b'], ['c']]; +$$ LANGUAGE plperl; + +select plperl_md_array_out(); + +CREATE OR REPLACE FUNCTION plperl_md_array_out() RETURNS text[] AS $$ + return [[], []]; +$$ LANGUAGE plperl; + +select plperl_md_array_out(); + +CREATE OR REPLACE FUNCTION plperl_md_array_out() RETURNS text[] AS $$ + return [[], [1]]; +$$ LANGUAGE plperl; + +select plperl_md_array_out(); -- fail + +CREATE OR REPLACE FUNCTION plperl_md_array_out() RETURNS text[] AS $$ + return [[], 1]; +$$ LANGUAGE plperl; + +select plperl_md_array_out(); -- fail + +CREATE OR REPLACE FUNCTION plperl_md_array_out() RETURNS text[] AS $$ + return [1, []]; +$$ LANGUAGE plperl; + +select plperl_md_array_out(); -- fail + +CREATE OR REPLACE FUNCTION plperl_md_array_out() RETURNS text[] AS $$ + return [[1], [[]]]; +$$ LANGUAGE plperl; + +select plperl_md_array_out(); -- fail + +-- make sure setof works +create or replace function perl_setof_array(integer[]) returns setof integer[] language plperl as $$ + my $arr = shift; + for my $r (@$arr) { + return_next $r; + } + return undef; +$$; + +select perl_setof_array('{{1}, {2}, {3}}'); diff --git a/src/pl/plperl/sql/plperl_call.sql b/src/pl/plperl/sql/plperl_call.sql new file mode 100644 index 0000000..bbea85f --- /dev/null +++ b/src/pl/plperl/sql/plperl_call.sql @@ -0,0 +1,78 @@ +CREATE PROCEDURE test_proc1() +LANGUAGE plperl +AS $$ +undef; +$$; + +CALL test_proc1(); + + +CREATE PROCEDURE test_proc2() +LANGUAGE plperl +AS $$ +return 5 +$$; + +CALL test_proc2(); + + +CREATE TABLE test1 (a int); + +CREATE PROCEDURE test_proc3(x int) +LANGUAGE plperl +AS $$ +spi_exec_query("INSERT INTO test1 VALUES ($_[0])"); +$$; + +CALL test_proc3(55); + +SELECT * FROM test1; + + +-- output arguments + +CREATE PROCEDURE test_proc5(INOUT a text) +LANGUAGE plperl +AS $$ +my ($a) = @_; +return { a => "$a+$a" }; +$$; + +CALL test_proc5('abc'); + + +CREATE PROCEDURE test_proc6(a int, INOUT b int, INOUT c int) +LANGUAGE plperl +AS $$ +my ($a, $b, $c) = @_; +return { b => $b * $a, c => $c * $a }; +$$; + +CALL test_proc6(2, 3, 4); + + +-- OUT parameters + +CREATE PROCEDURE test_proc9(IN a int, OUT b int) +LANGUAGE plperl +AS $$ +my ($a, $b) = @_; +elog(NOTICE, "a: $a, b: $b"); +return { b => $a * 2 }; +$$; + +DO $$ +DECLARE _a int; _b int; +BEGIN + _a := 10; _b := 30; + CALL test_proc9(_a, _b); + RAISE NOTICE '_a: %, _b: %', _a, _b; +END +$$; + + +DROP PROCEDURE test_proc1; +DROP PROCEDURE test_proc2; +DROP PROCEDURE test_proc3; + +DROP TABLE test1; diff --git a/src/pl/plperl/sql/plperl_elog.sql b/src/pl/plperl/sql/plperl_elog.sql new file mode 100644 index 0000000..9ea1350 --- /dev/null +++ b/src/pl/plperl/sql/plperl_elog.sql @@ -0,0 +1,93 @@ +-- test warnings and errors from plperl + +create or replace function perl_elog(text) returns void language plperl as $$ + + my $msg = shift; + elog(NOTICE,$msg); + +$$; + +select perl_elog('explicit elog'); + +create or replace function perl_warn(text) returns void language plperl as $$ + + my $msg = shift; + warn($msg); + +$$; + +select perl_warn('implicit elog via warn'); + +-- test strict mode on/off + +SET plperl.use_strict = true; + +create or replace function uses_global() returns text language plperl as $$ + + $global = 1; + $other_global = 2; + return 'uses_global worked'; + +$$; + +select uses_global(); + +SET plperl.use_strict = false; + +create or replace function uses_global() returns text language plperl as $$ + + $global = 1; + $other_global=2; + return 'uses_global worked'; + +$$; + +select uses_global(); + +-- make sure we don't choke on readonly values +do language plperl $$ elog(NOTICE, ${^TAINT}); $$; + +-- test recovery after "die" + +create or replace function just_die() returns void language plperl AS $$ +die "just die"; +$$; + +select just_die(); + +create or replace function die_caller() returns int language plpgsql as $$ +BEGIN + BEGIN + PERFORM just_die(); + EXCEPTION WHEN OTHERS THEN + RAISE NOTICE 'caught die'; + END; + RETURN 1; +END; +$$; + +select die_caller(); + +create or replace function indirect_die_caller() returns int language plperl as $$ +my $prepared = spi_prepare('SELECT die_caller() AS fx'); +my $a = spi_exec_prepared($prepared)->{rows}->[0]->{fx}; +my $b = spi_exec_prepared($prepared)->{rows}->[0]->{fx}; +return $a + $b; +$$; + +select indirect_die_caller(); + +-- Test non-ASCII error messages +-- +-- Note: this test case is known to fail if the database encoding is +-- EUC_CN, EUC_JP, EUC_KR, or EUC_TW, for lack of any equivalent to +-- U+00A0 (no-break space) in those encodings. However, testing with +-- plain ASCII data would be rather useless, so we must live with that. + +SET client_encoding TO UTF8; + +create or replace function error_with_nbsp() returns void language plperl as $$ + elog(ERROR, "this message contains a no-break space"); +$$; + +select error_with_nbsp(); diff --git a/src/pl/plperl/sql/plperl_end.sql b/src/pl/plperl/sql/plperl_end.sql new file mode 100644 index 0000000..90f49dc --- /dev/null +++ b/src/pl/plperl/sql/plperl_end.sql @@ -0,0 +1,29 @@ +-- test END block handling + +-- Not included in the normal testing +-- because it's beyond the scope of the test harness. +-- Available here for manual developer testing. + +DO $do$ + my $testlog = "/tmp/pgplperl_test.log"; + + warn "Run test, then examine contents of $testlog (which must already exist)\n"; + return unless -f $testlog; + + use IO::Handle; # for autoflush + open my $fh, '>', $testlog + or die "Can't write to $testlog: $!"; + $fh->autoflush(1); + + print $fh "# you should see just 3 'Warn: ...' lines: PRE, END and SPI ...\n"; + $SIG{__WARN__} = sub { print $fh "Warn: @_" }; + $SIG{__DIE__} = sub { print $fh "Die: @_" unless $^S; die @_ }; + + END { + warn "END\n"; + eval { spi_exec_query("select 1") }; + warn $@; + } + warn "PRE\n"; + +$do$ language plperlu; diff --git a/src/pl/plperl/sql/plperl_init.sql b/src/pl/plperl/sql/plperl_init.sql new file mode 100644 index 0000000..2aa3811 --- /dev/null +++ b/src/pl/plperl/sql/plperl_init.sql @@ -0,0 +1,41 @@ +-- test plperl.on_plperl_init + +-- This test tests setting on_plperl_init after loading plperl +LOAD 'plperl'; + +SET SESSION plperl.on_plperl_init = ' system("/nonesuch"); '; + +SHOW plperl.on_plperl_init; + +DO $$ warn 42 $$ language plperl; + +-- +-- Reconnect (to unload plperl), then test setting on_plperl_init +-- as an unprivileged user +-- + +\c - + +CREATE ROLE regress_plperl_user; + +SET ROLE regress_plperl_user; + +-- this succeeds, since the GUC isn't known yet +SET SESSION plperl.on_plperl_init = 'test'; + +RESET ROLE; + +LOAD 'plperl'; + +SHOW plperl.on_plperl_init; + +DO $$ warn 42 $$ language plperl; + +-- now we won't be allowed to set it in the first place +SET ROLE regress_plperl_user; + +SET SESSION plperl.on_plperl_init = 'test'; + +RESET ROLE; + +DROP ROLE regress_plperl_user; diff --git a/src/pl/plperl/sql/plperl_lc.sql b/src/pl/plperl/sql/plperl_lc.sql new file mode 100644 index 0000000..a4a06e7 --- /dev/null +++ b/src/pl/plperl/sql/plperl_lc.sql @@ -0,0 +1,8 @@ +-- +-- Make sure strings are validated +-- Should fail for all encodings, as nul bytes are never permitted. +-- +CREATE OR REPLACE FUNCTION perl_zerob() RETURNS TEXT AS $$ + return "abcd\0efg"; +$$ LANGUAGE plperl; +SELECT perl_zerob(); diff --git a/src/pl/plperl/sql/plperl_plperlu.sql b/src/pl/plperl/sql/plperl_plperlu.sql new file mode 100644 index 0000000..bbd79b6 --- /dev/null +++ b/src/pl/plperl/sql/plperl_plperlu.sql @@ -0,0 +1,58 @@ +-- test plperl/plperlu interaction + +-- the language and call ordering of this test sequence is useful + +CREATE OR REPLACE FUNCTION bar() RETURNS integer AS $$ + #die 'BANG!'; # causes server process to exit(2) + # alternative - causes server process to exit(255) + spi_exec_query("invalid sql statement"); +$$ language plperl; -- compile plperl code + +CREATE OR REPLACE FUNCTION foo() RETURNS integer AS $$ + spi_exec_query("SELECT * FROM bar()"); + return 1; +$$ LANGUAGE plperlu; -- compile plperlu code + +SELECT * FROM bar(); -- throws exception normally (running plperl) +SELECT * FROM foo(); -- used to cause backend crash (after switching to plperlu) + +-- test redefinition of specific SP switching languages +-- http://archives.postgresql.org/pgsql-bugs/2010-01/msg00116.php + +-- plperl first +create or replace function foo(text) returns text language plperl as 'shift'; +select foo('hey'); +create or replace function foo(text) returns text language plperlu as 'shift'; +select foo('hey'); +create or replace function foo(text) returns text language plperl as 'shift'; +select foo('hey'); + +-- plperlu first +create or replace function bar(text) returns text language plperlu as 'shift'; +select bar('hey'); +create or replace function bar(text) returns text language plperl as 'shift'; +select bar('hey'); +create or replace function bar(text) returns text language plperlu as 'shift'; +select bar('hey'); + +-- +-- Make sure we can't use/require things in plperl +-- + +CREATE OR REPLACE FUNCTION use_plperlu() RETURNS void LANGUAGE plperlu +AS $$ +use Errno; +$$; + +CREATE OR REPLACE FUNCTION use_plperl() RETURNS void LANGUAGE plperl +AS $$ +use Errno; +$$; + +-- make sure our overloaded require op gets restored/set correctly +select use_plperlu(); + +CREATE OR REPLACE FUNCTION use_plperl() RETURNS void LANGUAGE plperl +AS $$ +use Errno; +$$; diff --git a/src/pl/plperl/sql/plperl_setup.sql b/src/pl/plperl/sql/plperl_setup.sql new file mode 100644 index 0000000..a89cf56 --- /dev/null +++ b/src/pl/plperl/sql/plperl_setup.sql @@ -0,0 +1,73 @@ +-- +-- Install the plperl and plperlu extensions +-- + +-- Before going ahead with the to-be-tested installations, verify that +-- a non-superuser is allowed to install plperl (but not plperlu) when +-- suitable permissions have been granted. + +CREATE USER regress_user1; +CREATE USER regress_user2; + +SET ROLE regress_user1; + +CREATE EXTENSION plperl; -- fail +CREATE EXTENSION plperlu; -- fail + +RESET ROLE; + +DO $$ +begin + execute format('grant create on database %I to regress_user1', + current_database()); +end; +$$; + +SET ROLE regress_user1; + +CREATE EXTENSION plperl; +CREATE EXTENSION plperlu; -- fail +CREATE SCHEMA plperl_setup_scratch; +SET search_path = plperl_setup_scratch; +GRANT ALL ON SCHEMA plperl_setup_scratch TO regress_user2; + +CREATE FUNCTION foo1() returns int language plperl as '1;'; +SELECT foo1(); + +-- Must reconnect to avoid failure with non-MULTIPLICITY Perl interpreters +\c - +SET search_path = plperl_setup_scratch; + +SET ROLE regress_user1; + +-- Should be able to change privileges on the language +revoke all on language plperl from public; + +SET ROLE regress_user2; + +CREATE FUNCTION foo2() returns int language plperl as '2;'; -- fail + +SET ROLE regress_user1; + +grant usage on language plperl to regress_user2; + +SET ROLE regress_user2; + +CREATE FUNCTION foo2() returns int language plperl as '2;'; +SELECT foo2(); + +SET ROLE regress_user1; + +-- Should be able to drop the extension, but not the language per se +DROP LANGUAGE plperl CASCADE; +DROP EXTENSION plperl CASCADE; + +-- Clean up +RESET ROLE; +DROP OWNED BY regress_user1; +DROP USER regress_user1; +DROP USER regress_user2; + +-- Now install the versions that will be used by subsequent test scripts. +CREATE EXTENSION plperl; +CREATE EXTENSION plperlu; diff --git a/src/pl/plperl/sql/plperl_shared.sql b/src/pl/plperl/sql/plperl_shared.sql new file mode 100644 index 0000000..b60e114 --- /dev/null +++ b/src/pl/plperl/sql/plperl_shared.sql @@ -0,0 +1,41 @@ +-- test plperl.on_plperl_init via the shared hash +-- (must be done before plperl is first used) + +-- This test tests setting on_plperl_init before loading plperl + +-- testing on_plperl_init gets run, and that it can alter %_SHARED +SET plperl.on_plperl_init = '$_SHARED{on_init} = 42'; + +-- test the shared hash + +create function setme(key text, val text) returns void language plperl as $$ + + my $key = shift; + my $val = shift; + $_SHARED{$key}= $val; + +$$; + +create function getme(key text) returns text language plperl as $$ + + my $key = shift; + return $_SHARED{$key}; + +$$; + +select setme('ourkey','ourval'); + +select getme('ourkey'); + +select getme('on_init'); + +-- verify that we can use $_SHARED in strict mode +create or replace function perl_shared() returns int as $$ +use strict; +my $val = $_SHARED{'stuff'}; +$_SHARED{'stuff'} = '1'; +return $val; +$$ language plperl; + +select perl_shared(); +select perl_shared(); diff --git a/src/pl/plperl/sql/plperl_transaction.sql b/src/pl/plperl/sql/plperl_transaction.sql new file mode 100644 index 0000000..d10c8be --- /dev/null +++ b/src/pl/plperl/sql/plperl_transaction.sql @@ -0,0 +1,195 @@ +CREATE TABLE test1 (a int, b text); + + +CREATE PROCEDURE transaction_test1() +LANGUAGE plperl +AS $$ +foreach my $i (0..9) { + spi_exec_query("INSERT INTO test1 (a) VALUES ($i)"); + if ($i % 2 == 0) { + spi_commit(); + } else { + spi_rollback(); + } +} +$$; + +CALL transaction_test1(); + +SELECT * FROM test1; + + +TRUNCATE test1; + +DO +LANGUAGE plperl +$$ +foreach my $i (0..9) { + spi_exec_query("INSERT INTO test1 (a) VALUES ($i)"); + if ($i % 2 == 0) { + spi_commit(); + } else { + spi_rollback(); + } +} +$$; + +SELECT * FROM test1; + + +TRUNCATE test1; + +-- not allowed in a function +CREATE FUNCTION transaction_test2() RETURNS int +LANGUAGE plperl +AS $$ +foreach my $i (0..9) { + spi_exec_query("INSERT INTO test1 (a) VALUES ($i)"); + if ($i % 2 == 0) { + spi_commit(); + } else { + spi_rollback(); + } +} +return 1; +$$; + +SELECT transaction_test2(); + +SELECT * FROM test1; + + +-- also not allowed if procedure is called from a function +CREATE FUNCTION transaction_test3() RETURNS int +LANGUAGE plperl +AS $$ +spi_exec_query("CALL transaction_test1()"); +return 1; +$$; + +SELECT transaction_test3(); + +SELECT * FROM test1; + + +-- DO block inside function +CREATE FUNCTION transaction_test4() RETURNS int +LANGUAGE plperl +AS $$ +spi_exec_query('DO LANGUAGE plperl $x$ spi_commit(); $x$'); +return 1; +$$; + +SELECT transaction_test4(); + + +-- commit inside cursor loop +CREATE TABLE test2 (x int); +INSERT INTO test2 VALUES (0), (1), (2), (3), (4); + +TRUNCATE test1; + +DO LANGUAGE plperl $$ +my $sth = spi_query("SELECT * FROM test2 ORDER BY x"); +my $row; +while (defined($row = spi_fetchrow($sth))) { + spi_exec_query("INSERT INTO test1 (a) VALUES (" . $row->{x} . ")"); + spi_commit(); +} +$$; + +SELECT * FROM test1; + +-- check that this doesn't leak a holdable portal +SELECT * FROM pg_cursors; + + +-- error in cursor loop with commit +TRUNCATE test1; + +DO LANGUAGE plperl $$ +my $sth = spi_query("SELECT * FROM test2 ORDER BY x"); +my $row; +while (defined($row = spi_fetchrow($sth))) { + spi_exec_query("INSERT INTO test1 (a) VALUES (12/(" . $row->{x} . "-2))"); + spi_commit(); +} +$$; + +SELECT * FROM test1; + +SELECT * FROM pg_cursors; + + +-- rollback inside cursor loop +TRUNCATE test1; + +DO LANGUAGE plperl $$ +my $sth = spi_query("SELECT * FROM test2 ORDER BY x"); +my $row; +while (defined($row = spi_fetchrow($sth))) { + spi_exec_query("INSERT INTO test1 (a) VALUES (" . $row->{x} . ")"); + spi_rollback(); +} +$$; + +SELECT * FROM test1; + +SELECT * FROM pg_cursors; + + +-- first commit then rollback inside cursor loop +TRUNCATE test1; + +DO LANGUAGE plperl $$ +my $sth = spi_query("SELECT * FROM test2 ORDER BY x"); +my $row; +while (defined($row = spi_fetchrow($sth))) { + spi_exec_query("INSERT INTO test1 (a) VALUES (" . $row->{x} . ")"); + if ($row->{x} % 2 == 0) { + spi_commit(); + } else { + spi_rollback(); + } +} +$$; + +SELECT * FROM test1; + +SELECT * FROM pg_cursors; + + +-- check handling of an error during COMMIT +CREATE TABLE testpk (id int PRIMARY KEY); +CREATE TABLE testfk(f1 int REFERENCES testpk DEFERRABLE INITIALLY DEFERRED); + +DO LANGUAGE plperl $$ +# this insert will fail during commit: +spi_exec_query("INSERT INTO testfk VALUES (0)"); +spi_commit(); +elog(WARNING, 'should not get here'); +$$; + +SELECT * FROM testpk; +SELECT * FROM testfk; + +DO LANGUAGE plperl $$ +# this insert will fail during commit: +spi_exec_query("INSERT INTO testfk VALUES (0)"); +eval { + spi_commit(); +}; +if ($@) { + elog(INFO, $@); +} +# these inserts should work: +spi_exec_query("INSERT INTO testpk VALUES (1)"); +spi_exec_query("INSERT INTO testfk VALUES (1)"); +$$; + +SELECT * FROM testpk; +SELECT * FROM testfk; + + +DROP TABLE test1; +DROP TABLE test2; diff --git a/src/pl/plperl/sql/plperl_trigger.sql b/src/pl/plperl/sql/plperl_trigger.sql new file mode 100644 index 0000000..4adddeb --- /dev/null +++ b/src/pl/plperl/sql/plperl_trigger.sql @@ -0,0 +1,259 @@ +-- test plperl triggers + +CREATE TYPE rowcomp as (i int); +CREATE TYPE rowcompnest as (rfoo rowcomp); +CREATE TABLE trigger_test ( + i int, + v varchar, + foo rowcompnest +); + +CREATE TABLE trigger_test_generated ( + i int, + j int GENERATED ALWAYS AS (i * 2) STORED +); + +CREATE OR REPLACE FUNCTION trigger_data() RETURNS trigger LANGUAGE plperl AS $$ + + # make sure keys are sorted for consistent results - perl no longer + # hashes in repeatable fashion across runs + + sub str { + my $val = shift; + + if (!defined $val) + { + return 'NULL'; + } + elsif (ref $val eq 'HASH') + { + my $str = ''; + foreach my $rowkey (sort keys %$val) + { + $str .= ", " if $str; + my $rowval = str($val->{$rowkey}); + $str .= "'$rowkey' => $rowval"; + } + return '{'. $str .'}'; + } + elsif (ref $val eq 'ARRAY') + { + my $str = ''; + for my $argval (@$val) + { + $str .= ", " if $str; + $str .= str($argval); + } + return '['. $str .']'; + } + else + { + return "'$val'"; + } + } + + foreach my $key (sort keys %$_TD) + { + + my $val = $_TD->{$key}; + + # relid is variable, so we can not use it repeatably + $val = "bogus:12345" if $key eq 'relid'; + + elog(NOTICE, "\$_TD->\{$key\} = ". str($val)); + } + return undef; # allow statement to proceed; +$$; + +CREATE TRIGGER show_trigger_data_trig +BEFORE INSERT OR UPDATE OR DELETE ON trigger_test +FOR EACH ROW EXECUTE PROCEDURE trigger_data(23,'skidoo'); + +insert into trigger_test values(1,'insert', '("(1)")'); +update trigger_test set v = 'update' where i = 1; +delete from trigger_test; + +DROP TRIGGER show_trigger_data_trig on trigger_test; + +CREATE TRIGGER show_trigger_data_trig_before +BEFORE INSERT OR UPDATE OR DELETE ON trigger_test_generated +FOR EACH ROW EXECUTE PROCEDURE trigger_data(); + +CREATE TRIGGER show_trigger_data_trig_after +AFTER INSERT OR UPDATE OR DELETE ON trigger_test_generated +FOR EACH ROW EXECUTE PROCEDURE trigger_data(); + +insert into trigger_test_generated (i) values (1); +update trigger_test_generated set i = 11 where i = 1; +delete from trigger_test_generated; + +DROP TRIGGER show_trigger_data_trig_before ON trigger_test_generated; +DROP TRIGGER show_trigger_data_trig_after ON trigger_test_generated; + +insert into trigger_test values(1,'insert', '("(1)")'); +CREATE VIEW trigger_test_view AS SELECT * FROM trigger_test; + +CREATE TRIGGER show_trigger_data_trig +INSTEAD OF INSERT OR UPDATE OR DELETE ON trigger_test_view +FOR EACH ROW EXECUTE PROCEDURE trigger_data(24,'skidoo view'); + +insert into trigger_test_view values(2,'insert', '("(2)")'); +update trigger_test_view set v = 'update', foo = '("(3)")' where i = 1; +delete from trigger_test_view; + +DROP VIEW trigger_test_view; +delete from trigger_test; + +DROP FUNCTION trigger_data(); + +CREATE OR REPLACE FUNCTION valid_id() RETURNS trigger AS $$ + + if (($_TD->{new}{i}>=100) || ($_TD->{new}{i}<=0)) + { + return "SKIP"; # Skip INSERT/UPDATE command + } + elsif ($_TD->{new}{v} ne "immortal") + { + $_TD->{new}{v} .= "(modified by trigger)"; + $_TD->{new}{foo}{rfoo}{i}++; + return "MODIFY"; # Modify tuple and proceed INSERT/UPDATE command + } + else + { + return; # Proceed INSERT/UPDATE command + } +$$ LANGUAGE plperl; + +CREATE TRIGGER "test_valid_id_trig" BEFORE INSERT OR UPDATE ON trigger_test +FOR EACH ROW EXECUTE PROCEDURE "valid_id"(); + +INSERT INTO trigger_test (i, v, foo) VALUES (1,'first line', '("(1)")'); +INSERT INTO trigger_test (i, v, foo) VALUES (2,'second line', '("(2)")'); +INSERT INTO trigger_test (i, v, foo) VALUES (3,'third line', '("(3)")'); +INSERT INTO trigger_test (i, v, foo) VALUES (4,'immortal', '("(4)")'); + +INSERT INTO trigger_test (i, v) VALUES (101,'bad id'); + +SELECT * FROM trigger_test; + +UPDATE trigger_test SET i = 5 where i=3; + +UPDATE trigger_test SET i = 100 where i=1; + +SELECT * FROM trigger_test; + +DROP TRIGGER "test_valid_id_trig" ON trigger_test; + +CREATE OR REPLACE FUNCTION trigger_recurse() RETURNS trigger AS $$ + use strict; + + if ($_TD->{new}{i} == 10000) + { + spi_exec_query("insert into trigger_test (i, v) values (20000, 'child');"); + + if ($_TD->{new}{i} != 10000) + { + die "recursive trigger modified: ". $_TD->{new}{i}; + } + } + return; +$$ LANGUAGE plperl; + +CREATE TRIGGER "test_trigger_recurse" BEFORE INSERT ON trigger_test +FOR EACH ROW EXECUTE PROCEDURE "trigger_recurse"(); + +INSERT INTO trigger_test (i, v) values (10000, 'top'); + +SELECT * FROM trigger_test; + +CREATE OR REPLACE FUNCTION immortal() RETURNS trigger AS $$ + if ($_TD->{old}{v} eq $_TD->{args}[0]) + { + return "SKIP"; # Skip DELETE command + } + else + { + return; # Proceed DELETE command + }; +$$ LANGUAGE plperl; + +CREATE TRIGGER "immortal_trig" BEFORE DELETE ON trigger_test +FOR EACH ROW EXECUTE PROCEDURE immortal('immortal'); + +DELETE FROM trigger_test; + +SELECT * FROM trigger_test; + +CREATE FUNCTION direct_trigger() RETURNS trigger AS $$ + return; +$$ LANGUAGE plperl; + +SELECT direct_trigger(); + +-- check that SQL run in trigger code can see transition tables + +CREATE TABLE transition_table_test (id int, name text); +INSERT INTO transition_table_test VALUES (1, 'a'); + +CREATE FUNCTION transition_table_test_f() RETURNS trigger LANGUAGE plperl AS +$$ + my $cursor = spi_query("SELECT * FROM old_table"); + my $row = spi_fetchrow($cursor); + defined($row) || die "expected a row"; + elog(INFO, "old: " . $row->{id} . " -> " . $row->{name}); + my $row = spi_fetchrow($cursor); + !defined($row) || die "expected no more rows"; + + my $cursor = spi_query("SELECT * FROM new_table"); + my $row = spi_fetchrow($cursor); + defined($row) || die "expected a row"; + elog(INFO, "new: " . $row->{id} . " -> " . $row->{name}); + my $row = spi_fetchrow($cursor); + !defined($row) || die "expected no more rows"; + + return undef; +$$; + +CREATE TRIGGER a_t AFTER UPDATE ON transition_table_test + REFERENCING OLD TABLE AS old_table NEW TABLE AS new_table + FOR EACH STATEMENT EXECUTE PROCEDURE transition_table_test_f(); +UPDATE transition_table_test SET name = 'b'; + +DROP TABLE transition_table_test; +DROP FUNCTION transition_table_test_f(); + +-- test plperl command triggers +create or replace function perlsnitch() returns event_trigger language plperl as $$ + elog(NOTICE, "perlsnitch: " . $_TD->{event} . " " . $_TD->{tag} . " "); +$$; + +create event trigger perl_a_snitch on ddl_command_start + execute procedure perlsnitch(); +create event trigger perl_b_snitch on ddl_command_end + execute procedure perlsnitch(); + +create or replace function foobar() returns int language sql as $$select 1;$$; +alter function foobar() cost 77; +drop function foobar(); + +create table foo(); +drop table foo; + +drop event trigger perl_a_snitch; +drop event trigger perl_b_snitch; + +-- dealing with generated columns + +CREATE FUNCTION generated_test_func1() RETURNS trigger +LANGUAGE plperl +AS $$ +$_TD->{new}{j} = 5; # not allowed +return 'MODIFY'; +$$; + +CREATE TRIGGER generated_test_trigger1 BEFORE INSERT ON trigger_test_generated +FOR EACH ROW EXECUTE PROCEDURE generated_test_func1(); + +TRUNCATE trigger_test_generated; +INSERT INTO trigger_test_generated (i) VALUES (1); +SELECT * FROM trigger_test_generated; diff --git a/src/pl/plperl/sql/plperl_util.sql b/src/pl/plperl/sql/plperl_util.sql new file mode 100644 index 0000000..5b31605 --- /dev/null +++ b/src/pl/plperl/sql/plperl_util.sql @@ -0,0 +1,121 @@ +-- test plperl utility functions (defined in Util.xs) + +-- test quote_literal + +create or replace function perl_quote_literal() returns setof text language plperl as $$ + return_next "undef: ".quote_literal(undef); + return_next sprintf"$_: ".quote_literal($_) + for q{foo}, q{a'b}, q{a"b}, q{c''d}, q{e\f}, q{}; + return undef; +$$; + +select perl_quote_literal(); + +-- test quote_nullable + +create or replace function perl_quote_nullable() returns setof text language plperl as $$ + return_next "undef: ".quote_nullable(undef); + return_next sprintf"$_: ".quote_nullable($_) + for q{foo}, q{a'b}, q{a"b}, q{c''d}, q{e\f}, q{}; + return undef; +$$; + +select perl_quote_nullable(); + +-- test quote_ident + +create or replace function perl_quote_ident() returns setof text language plperl as $$ + return_next "undef: ".quote_ident(undef); # generates undef warning if warnings enabled + return_next "$_: ".quote_ident($_) + for q{foo}, q{a'b}, q{a"b}, q{c''d}, q{e\f}, q{g.h}, q{}; + return undef; +$$; + +select perl_quote_ident(); + +-- test decode_bytea + +create or replace function perl_decode_bytea() returns setof text language plperl as $$ + return_next "undef: ".decode_bytea(undef); # generates undef warning if warnings enabled + return_next "$_: ".decode_bytea($_) + for q{foo}, q{a\047b}, q{}; + return undef; +$$; + +select perl_decode_bytea(); + +-- test encode_bytea + +create or replace function perl_encode_bytea() returns setof text language plperl as $$ + return_next encode_bytea(undef); # generates undef warning if warnings enabled + return_next encode_bytea($_) + for q{@}, qq{@\x01@}, qq{@\x00@}, q{}; + return undef; +$$; + +select perl_encode_bytea(); + +-- test encode_array_literal + +create or replace function perl_encode_array_literal() returns setof text language plperl as $$ + return_next encode_array_literal(undef); + return_next encode_array_literal(0); + return_next encode_array_literal(42); + return_next encode_array_literal($_) + for [], [0], [1..5], [[]], [[1,2,[3]],4]; + return_next encode_array_literal($_,'|') + for [], [0], [1..5], [[]], [[1,2,[3]],4]; + return undef; +$$; + +select perl_encode_array_literal(); + +-- test encode_array_constructor + +create or replace function perl_encode_array_constructor() returns setof text language plperl as $$ + return_next encode_array_constructor(undef); + return_next encode_array_constructor(0); + return_next encode_array_constructor(42); + return_next encode_array_constructor($_) + for [], [0], [1..5], [[]], [[1,2,[3]],4]; + return undef; +$$; + +select perl_encode_array_constructor(); + +-- test looks_like_number + +create or replace function perl_looks_like_number() returns setof text language plperl as $$ + return_next "undef is undef" if not defined looks_like_number(undef); + return_next quote_nullable($_).": ". (looks_like_number($_) ? "number" : "not number") + for 'foo', 0, 1, 1.3, '+3.e-4', + '42 x', # trailing garbage + '99 ', # trailing space + ' 99', # leading space + ' ', # only space + ''; # empty string + return undef; +$$; + +select perl_looks_like_number(); + +-- test encode_typed_literal +create type perl_foo as (a integer, b text[]); +create type perl_bar as (c perl_foo[]); +create domain perl_foo_pos as perl_foo check((value).a > 0); + +create or replace function perl_encode_typed_literal() returns setof text language plperl as $$ + return_next encode_typed_literal(undef, 'text'); + return_next encode_typed_literal([[1,2,3],[3,2,1],[1,3,2]], 'integer[]'); + return_next encode_typed_literal({a => 1, b => ['PL','/','Perl']}, 'perl_foo'); + return_next encode_typed_literal({c => [{a => 9, b => ['PostgreSQL']}, {b => ['Postgres'], a => 1}]}, 'perl_bar'); + return_next encode_typed_literal({a => 1, b => ['PL','/','Perl']}, 'perl_foo_pos'); +$$; + +select perl_encode_typed_literal(); + +create or replace function perl_encode_typed_literal() returns setof text language plperl as $$ + return_next encode_typed_literal({a => 0, b => ['PL','/','Perl']}, 'perl_foo_pos'); +$$; + +select perl_encode_typed_literal(); -- fail diff --git a/src/pl/plperl/sql/plperlu.sql b/src/pl/plperl/sql/plperlu.sql new file mode 100644 index 0000000..be43df5 --- /dev/null +++ b/src/pl/plperl/sql/plperlu.sql @@ -0,0 +1,17 @@ +-- Use ONLY plperlu tests here. For plperl/plerlu combined tests +-- see plperl_plperlu.sql + +-- This test tests setting on_plperlu_init after loading plperl +LOAD 'plperl'; + +-- Test plperl.on_plperlu_init gets run +SET plperl.on_plperlu_init = '$_SHARED{init} = 42'; +DO $$ warn $_SHARED{init} $$ language plperlu; + +-- +-- Test compilation of unicode regex - regardless of locale. +-- This code fails in plain plperl in a non-UTF8 database. +-- +CREATE OR REPLACE FUNCTION perl_unicode_regex(text) RETURNS INTEGER AS $$ + return ($_[0] =~ /\x{263A}|happy/i) ? 1 : 0; # unicode smiley +$$ LANGUAGE plperlu; |