The storage engine design doesn't support this; we just write the new data
(or tombstone for delete). This is much more performant than having to
check first if the row exists.
On Tue, Aug 26, 2014 at 5:51 PM, Sékine Coulibaly
wrote:
> SQL allows for sqlca.sqlerrd[0] to yield valuable informat
SQL allows for sqlca.sqlerrd[0] to yield valuable information
regarding how many rows were affected by a DELETE or an UPDATE
statement. This is useful to verify that a DELETE on a given primary
key really matched a row, or even better, get the exact count of
deleted rows.
I just came through the f
