On 5/15/15, Zsb?n Ambrus wrote:
> Dear SQLite list,
>
> A few of the built-in SQL functions of SQLite has a result that
> depends on the collation sequence of the arguments, and compare text
> values using these collation functions. These functions are "min" and
> "max" (both aggregate and scalar versions) and "nullif".
>
> Is there a way to define new SQL functions that behave in such a way?
>
No there is not. The APIs used to implement those built-in functions
are not exposed to the application-defined function interface. Which
is good, because they have changed once or twice for performance
reasons and had they been exposed, those changes would have caused
problems.
--
D. Richard Hipp
drh at sqlite.org
