25 lines
1.0 KiB
Plaintext
25 lines
1.0 KiB
Plaintext
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-- Check that stack depth detection mechanism works and
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-- max_stack_depth is not set too high.
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create function infinite_recurse() returns int as
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'select infinite_recurse()' language sql;
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-- Unfortunately, up till mid 2020 the Linux kernel had a bug in PPC64
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-- signal handling that would cause this test to crash if it happened
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-- to receive an sinval catchup interrupt while the stack is deep:
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-- https://bugzilla.kernel.org/show_bug.cgi?id=205183
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-- It is likely to be many years before that bug disappears from all
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-- production kernels, so disable this test on such platforms.
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-- (We still create the function, so as not to have a cross-platform
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-- difference in the end state of the regression database.)
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SELECT version() ~ 'powerpc64[^,]*-linux-gnu'
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AS skip_test \gset
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\if :skip_test
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\quit
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\endif
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-- The full error report is not very stable, so we show only SQLSTATE
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-- and primary error message.
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\set VERBOSITY sqlstate
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select infinite_recurse();
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ERROR: 54001
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\echo :LAST_ERROR_MESSAGE
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stack depth limit exceeded
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