Doug, on Friday, November 15, 2019 11:42 AM, wrote...
>
> WRT Jose's original context, and just for my enlightment, what happens with
> the following:
>
> insert into t (a, b, c, d, e, idate)
> SELECT a, b, c, 'y', e, '2019-02-12' FROM t WHERE a = 'p999';
>
> where p999 does not define a record? Is a new record inserted with values of
> a,b,c, and e null?
Ok, I promise that this will be the last email on this for me:
I just came to my senses, and sometimes, I need to insert when the 'a' value
does not exists, as Doug just brought to my attention. So, I am trying to
insert a record with two new values using the last existing 'a'. If a does not
exists, then I need to add that record with the two values. I have been trying
a few INSERT with CASEs, but nothing is working. I know one of you will make
it look easy, but this is what I have done as of now:
create table t (n INTEGER PRIMARY KEY, a, b, c, d, e, idate);
insert into t (a, b, c, d, e, idate) values ('p001', 1, 2, 'n', 4,
'2019-02-11');
insert into t (a, b, c, d, e, idate) values ('p002', 2, 2, 'n', 4,
'2019-02-11');
insert into t (a, b, c, d, e, idate) values ('p003', 3, 2, 'n', 4,
'2019-02-11');
insert into t (a, b, c, d, e, idate) values ('p004', 4, 2, 'y', 4,
'2019-02-11');
insert into t (a, b, c, d, e, idate) values ('p005', 5, 2, 'y', 4,
'2019-02-11');
select * from t;
1|p001|1|2|n|4|2019-02-11
2|p002|2|2|n|4|2019-02-11
3|p003|3|2|n|4|2019-02-11
4|p004|4|2|y|4|2019-02-11
5|p005|5|2|y|4|2019-02-11
I have tried various combination of the following,
insert into t (a, b, c, d, e, idate) VALUES
(
CASE
SELECT a from t WHERE a = 'p006' idate desc limit 1
WHEN a = NULL
THEN 'p006',1,2,'y',4,'2019-02-12'
ELSE SELECT a, b, c, 'y', e, '2019-20-12' from t WHERE a = 'p006' idate
desc limit 1
END
);
Error: near "SELECT": syntax error
sqlite>
But, different syntax error have popped. Any help would be greatly
appreciated. Thanks.
josé
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