On 06/07/2017 17:01, Domingo Alvarez Duarte wrote:
I already did this before but it was not accepted.
For myself I did a modification on sqlite3 to allow the use of "AS" on
delete/update statements.
You can see the parser part here
https://github.com/mingodad/sqlite/blob/decimal64/src/parse.y .
Cheers !
Thank you Domingo, but that option is beyond my programming competence.
On 06/07/17 05:16, John McMahon wrote:
Hi
Wondering if someone else can spot the syntax error in the following
statement. "locns" is an attached database. There are four "AS" terms
in the statement, they all alias tables.
Ok, found it. It seems that an alias for an "UPDATE" table name is not
permitted. Is there a particular reason for this?
I would think it a convenience especially when using long table names
and attached databases.
John
sqlite> UPDATE locns.xxx_last_delivery AS tgt
... > SET
... > tgt.del_date = (
... > SELECT src.last_del_d
... > FROM main.updates AS src
... > WHERE src.custnum = tgt.custnum),
... > tgt.del_qty = (
... > SELECT src.last_del_q
... > FROM main.updates AS src
... > WHERE src.custnum = tgt.custnum)
... > WHERE
... > tgt.custnum = (
... > SELECT src.custnum
... > FROM main.updates AS src
... > WHERE src.last_del_d IS NOT NULL
... > AND src.last_del_d > tgt.del_date)
... > ;
Error: near "AS": syntax error
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--
Regards
John McMahon
j...@jspect.fastmail.com.au
04 2933 4203
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