| From: | Andrew Dunstan <andrew(dot)dunstan(at)2ndquadrant(dot)com> |
|---|---|
| To: | Alexander Korotkov <a(dot)korotkov(at)postgrespro(dot)ru> |
| Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Andres Freund <andres(at)anarazel(dot)de>, John Naylor <john(dot)naylor(at)2ndquadrant(dot)com>, Jeff Janes <jeff(dot)janes(at)gmail(dot)com>, Nikita Glukhov <n(dot)gluhov(at)postgrespro(dot)ru>, Tomas Vondra <tomas(dot)vondra(at)2ndquadrant(dot)com>, Oleg Bartunov <obartunov(at)postgrespro(dot)ru>, Michael Paquier <michael(at)paquier(dot)xyz>, Stas Kelvich <s(dot)kelvich(at)postgrespro(dot)ru>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>, Thomas Munro <thomas(dot)munro(at)enterprisedb(dot)com>, David Steele <david(at)pgmasters(dot)net>, Robert Haas <robertmhaas(at)gmail(dot)com>, Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com> |
| Subject: | Re: jsonpath |
| Date: | 2019-03-28 13:10:51 |
| Message-ID: | dcff626f-d44d-ad96-ecc0-109601e2cfb9@2ndQuadrant.com |
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| Lists: | pgsql-hackers |
On 3/28/19 8:49 AM, Alexander Korotkov wrote:
>
>> Here's an interesting data point. If I run the whole jsonpath.sql script
>> it crashes every time. If I run just the offending statement it crashes
>> exactly every other time. It looks like in that case something gets
>> clobbered and then cleared.
> Could you clarify this a bit? What is exactly every other time? Do
> you mean it doesn't crash first time, but crashes second time? Do you
> run each offending statement in the separate session? Or do you run
> multiple offending statements in the same session?
>
I mean repeated invocations of
psql -c "select '$ ? (@ like_regex \"pattern\" flag \"a\")'::jsonpath"
These get crash, no crash, crash, no crash ...
cheers
andrew
--
Andrew Dunstan https://www.2ndQuadrant.com
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
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