On 9/18/17 18:46, Peter Geoghegan wrote:
> As I pointed out a couple of times already [1], we don't currently
> sanitize ICU's BCP 47 language tags within CREATE COLLATION.
There is no requirement that the locale strings for ICU need to be BCP
47. ICU locale names like 'de@collation=phonebook' are also acceptable.
The reason they are not validated is that, as you know, ICU accepts any
locale string as valid. You appear to have found a way to do some
validation, but I would like to see that code.
--
Peter Eisentraut http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
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