Hi,
it appears that SQLite thinks it can reuse a register even when
another operation changes it by applying numeric affinity:
> create table t(x);
> insert into t values('1');
> select typeof(x) from t where x=x;
text
> select typeof(x) from t where x=x+0;
integer
(first reported here: <http://stackoverflow.com/questions/22598026>)
This worked correctly in SQLite 3.7.17.
Regards,
Clemens
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