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The sub-shells exit code wasn't checked, so even if psql exited with a non-zero status code, par_psql would continue. We can check this directly for sequential queries, but need to do some housekeeping for the background processes. It is possible to exit immediately upon encountering a failed sub-shell, but the later ones might still be running and print into the terminal, leaving a dirty prompt. The exit code `3` is what `psql -v ON_ERROR_STOP=1` returns.
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The sub-shells exit code wasn't checked, so even if psql exited with a non-zero status code, par_psql would continue. We can check this directly for sequential queries, but need to do some housekeeping for the background processes.
It is possible to exit immediately upon encountering a failed sub-shell, but the later ones might still be running and print into the terminal, leaving a dirty prompt.
The exit code
3is whatpsql -v ON_ERROR_STOP=1returns.