On Sunday, 17 March, 2019 11:19, niklas wrote:
>I agree that correlated subqueries in general seem more natural and
>are probably also less likely to have the performance pessimizations
>noticed with joins.
>But I might also want to use the column, or in case of a correlated
>subquery, the colu
On 17 Mar 2019, at 5:19pm, niklas wrote:
> Is this a recent change in Sqlite or have I misunderstood something? The
> Sqlite documentation still does not seem to say that column aliases can be
> used in the WHERE clause at least.
You are correct in two things. Column aliases cannot be relied
I agree that correlated subqueries in general seem more natural and are
probably also less likely to have the performance pessimizations noticed
with joins.
But I might also want to use the column, or in case of a correlated
subquery, the column alias, in the WHERE clause and previously that has n
On Sunday, 17 March, 2019 15:00, Yannick Duchêne
wrote:
>Aside, what also surprised me just a moment ago and I never
>noticed before, is that although I can refer to ROWID (not aliased)
>anywhere in a query, it seems to not work properly in `using(rowid)`, if
>the ROWID is automatically generat
On Sun, 17 Mar 2019 14:27:19 -0600
"Keith Medcalf" wrote:
>
> specifies the name you want to appear for the first column. The other names
> for the other four columns are free to be whatever they want ... that is,
> without an AS clause, the column names are not guaranteed to be anything
> o
On Sunday, 17 March, 2019 12:30, Yannick Duchêne
wrote:
>Hi people, it’s a long time I did not get there.
>I’m currently to create and use an SQLite DB with the Python biding
>APSW. For each row returned, I always retrieve the description with
>`Cursor.getdescription()`. Surprisingly, during a
Hi people, it’s a long time I did not get there.
I’m currently to create and use an SQLite DB with the Python biding APSW. For
each row returned, I always retrieve the description with
`Cursor.getdescription()`. Surprisingly, during a test, I noticed the name of a
column as returned in the desc
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