Extract information about connection's locale settings.
Supported categories are
* LC_COLLATE Shows the collation order locale * LC_CTYPE Shows the character classification and case conversion locale * LC_MESSAGES Shows the language in which messages are displayed * LC_MONETARY Shows the locale for formatting monetary amounts * LC_NUMERIC Shows the locale for formatting numbers * LC_TIME Shows the locale for formatting date and time values
| category |
name of the category to query |