On 8/7/17 11:17, Peter Eisentraut wrote:
> On 8/6/17 17:17, Peter Geoghegan wrote:
>> I wonder if it's worth considering distrusting ucol_strcollUTF8() on
>> some ICU versions that prove to not be up to snuff. The function has
>> only been around since ICU-50, released in late 2012. We could have
>> something like a TRUST_UCOL_STRCOLLUTF8 override for
>> HAVE_UCOL_STRCOLLUTF8. This might make sense as a compromise between
>> not supporting somewhat older ICU versions and doing nothing at all.
>
> I can confirm that that avoids the crash in ICU 52, so it's something to
> consider. We would need more testing about which other ICU versions are
> affected, however.
In my testing, there are no crashes in ICU 51 and ICU 53, so we could
restrict this workaround to version 52 specifically. Perhaps someone
else can confirm my test results.
--
Peter Eisentraut http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
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