Hi,
On 06/17/24 02:20, Amit Langote wrote:
>>> Apparently, the functions expect JSONB so that a cast is implied
>>> when providing TEXT. However, the errors during that cast are
>>> not subject to the ON ERROR clause.
>>>
>>> 17beta1=# SELECT JSON_QUERY('invalid', '$' NULL ON ERROR);
>>> ERROR: invalid input syntax for type json
>>> DETAIL: Token "invalid" is invalid.
>>> CONTEXT: JSON data, line 1: invalid
>>>
>>> Oracle DB and Db2 (LUW) both return NULL in that case.
I wonder, could prosupport rewriting be used to detect that the first
argument is supplied by a cast, and rewrite the expression to apply the
cast 'softly'? Or would that behavior be too magical?
Regards,
-Chap
