hey thanx for the reply... u leave the things happening inside.. wat i jus
wanna do is i wanna insert a new row to a table
the table will be like this
stock_id PK product_id FK quantity stock_date
10000 1000 10 28-05-2009
10001 1001 5 27-05-2009
and wen i insert a new row with values NULL, 1000, 15, 30-05-2009
i dont want want it as a new recorde i jus want to update the first row coz
its also having the same product id i jus want set the quantity = 10+15 and
the date new date that is 30-05-2009
and suppose if i insert row with different product_id it should be inserted
as it is..
Martin Engelschalk wrote:
>
> Hi,
>
> what language is this? it certainly is not SQL or a "query".
> I suspect that you can not use "insert or replace" (see
> http://www.sqlite.org/lang_insert.html), because you look first for a
> record with prod_batch_code=1000, and if you do not find it you insert
> one with prod_batch_code = 1003.
> S,. it seems to me that you have to implement the logic in your
> application.
>
> Martin
>
> robinsmathew wrote:
>> hi am new to SQLite can anybody please tell me how this query can be
>> solved
>> in SQLite?
>>
>> IF EXISTS (SELECT prod_batch_code FROM stock_tab WHERE
>> prod_batch_code=1000)
>> UPDATE stock_tab
>> SET stock_qty=stock_qty+(SELECT purchase_qty ROM purchase_tab
>> WHERE
>> oduct_batch_code=1000 )
>> WHERE prod_batch_code=1000
>> ELSE
>> INSERT INTO stock_tab(stock_id, prod_batch_code, stock_qty,
>> stock_date) values (20009, 1003, 200,
>> DATETIME('NOW') );
>>
>
> _______________________________________________
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> sqlite-users@sqlite.org
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>
>
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