Peter Eisentraut wrote:
>
> I have so far implemented the following:
>
> An operator class text_binary_ops that does memcmp()-based comparison of
> text data. The operators are named $<$ etc. for lack of a better idea.
> That lack is further illustrated by the idea to name them "binary-<" etc.,
> which wouldn't get through the parser, but it doesn't need to.
>
> The system will use such an index for the queries in question if the
> locale is not "like-safe", in the terminology of the code (I'll end up
> renaming that a little).
This depends on the assumption that '=' is equivalent in
any locale. Is it guaranteed ?
For example, ( 'a' = 'A' ) isn't allowed in any locale ?
regards,
Hiroshi Inoue