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-- test plperl/plperlu interaction
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; -- plperl or plperlu
CREATE OR REPLACE FUNCTION foo() RETURNS integer AS $$
spi_exec_query("SELECT * FROM bar()");
return 1;
$$ LANGUAGE plperlu; -- must be opposite to language of bar
SELECT * FROM bar(); -- throws exception normally
SELECT * FROM foo(); -- used to cause backend crash
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