mirror of https://github.com/postgres/postgres
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f0a264a362
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-- test warnings and errors from plperl |
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create or replace function perl_elog(text) returns void language plperl as $$ |
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|
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my $msg = shift; |
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elog(NOTICE,$msg); |
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$$; |
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select perl_elog('explicit elog'); |
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NOTICE: explicit elog |
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CONTEXT: PL/Perl function "perl_elog" |
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perl_elog |
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----------- |
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(1 row) |
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create or replace function perl_warn(text) returns void language plperl as $$ |
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my $msg = shift; |
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warn($msg); |
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$$; |
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select perl_warn('implicit elog via warn'); |
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WARNING: implicit elog via warn at line 4. |
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CONTEXT: PL/Perl function "perl_warn" |
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perl_warn |
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----------- |
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(1 row) |
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-- test strict mode on/off |
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SET plperl.use_strict = true; |
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create or replace function uses_global() returns text language plperl as $$ |
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$global = 1; |
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$other_global = 2; |
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return 'uses_global worked'; |
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$$; |
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ERROR: Global symbol "$global" requires explicit package name (did you forget to declare "my $global"?) at line 3. |
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Global symbol "$other_global" requires explicit package name (did you forget to declare "my $other_global"?) at line 4. |
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CONTEXT: compilation of PL/Perl function "uses_global" |
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select uses_global(); |
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ERROR: function uses_global() does not exist |
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LINE 1: select uses_global(); |
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^ |
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HINT: No function matches the given name and argument types. You might need to add explicit type casts. |
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SET plperl.use_strict = false; |
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create or replace function uses_global() returns text language plperl as $$ |
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$global = 1; |
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$other_global=2; |
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return 'uses_global worked'; |
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$$; |
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select uses_global(); |
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uses_global |
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-------------------- |
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uses_global worked |
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(1 row) |
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-- make sure we don't choke on readonly values |
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do language plperl $$ elog(NOTICE, ${^TAINT}); $$; |
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NOTICE: 0 |
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CONTEXT: PL/Perl anonymous code block |
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-- test recovery after "die" |
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create or replace function just_die() returns void language plperl AS $$ |
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die "just die"; |
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$$; |
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select just_die(); |
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ERROR: just die at line 2. |
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CONTEXT: PL/Perl function "just_die" |
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create or replace function die_caller() returns int language plpgsql as $$ |
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BEGIN |
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BEGIN |
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PERFORM just_die(); |
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EXCEPTION WHEN OTHERS THEN |
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RAISE NOTICE 'caught die'; |
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END; |
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RETURN 1; |
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END; |
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$$; |
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select die_caller(); |
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NOTICE: caught die |
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die_caller |
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------------ |
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1 |
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(1 row) |
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create or replace function indirect_die_caller() returns int language plperl as $$ |
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my $prepared = spi_prepare('SELECT die_caller() AS fx'); |
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my $a = spi_exec_prepared($prepared)->{rows}->[0]->{fx}; |
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my $b = spi_exec_prepared($prepared)->{rows}->[0]->{fx}; |
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return $a + $b; |
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$$; |
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select indirect_die_caller(); |
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NOTICE: caught die |
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CONTEXT: SQL statement "SELECT die_caller() AS fx" |
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PL/Perl function "indirect_die_caller" |
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NOTICE: caught die |
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CONTEXT: SQL statement "SELECT die_caller() AS fx" |
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PL/Perl function "indirect_die_caller" |
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indirect_die_caller |
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--------------------- |
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2 |
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(1 row) |
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