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| author | Tom Lane <tgl@sss.pgh.pa.us> | 2006-03-08 22:59:09 +0000 |
|---|---|---|
| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2006-03-08 22:59:09 +0000 |
| commit | 66fc528d991689f2d9d6e31b9c22592bc715535b (patch) | |
| tree | b853004c3dcd425c214fcc4b9edf287c8d136d27 | |
| parent | 4c0efd3ae21443dae4bba70c3f7d659f5d303417 (diff) | |
| download | postgresql-66fc528d991689f2d9d6e31b9c22592bc715535b.tar.gz postgresql-66fc528d991689f2d9d6e31b9c22592bc715535b.zip | |
Remove somebody's flight of fancy about an UPDATE with ORDER BY and LIMIT.
| -rw-r--r-- | doc/src/sgml/ref/update.sgml | 16 |
1 files changed, 1 insertions, 15 deletions
diff --git a/doc/src/sgml/ref/update.sgml b/doc/src/sgml/ref/update.sgml index f3c7f3aa54d..3b03e86a1eb 100644 --- a/doc/src/sgml/ref/update.sgml +++ b/doc/src/sgml/ref/update.sgml @@ -1,5 +1,5 @@ <!-- -$PostgreSQL: pgsql/doc/src/sgml/ref/update.sgml,v 1.36 2006/01/22 20:34:11 tgl Exp $ +$PostgreSQL: pgsql/doc/src/sgml/ref/update.sgml,v 1.37 2006/03/08 22:59:09 tgl Exp $ PostgreSQL documentation --> @@ -233,20 +233,6 @@ UPDATE employees SET sales_count = sales_count + 1 WHERE id = </para> <para> - Now that all the papers are signed, update the most recently closed - deal of the travelling salesperson who closed the Rocket Powered - Skates deal with the Acme Corporation. -<programlisting> -UPDATE employees SET last_closed_deal = deal.id - FROM accounts JOIN deals ON (account.id = deal.account_id) - WHERE deal.employee_id = employees.id - AND deal.name = 'Rocket Powered Skates' - AND accounts.name = 'Acme Corporation' - ORDER BY deal.signed_date DESC LIMIT 1; -</programlisting> - </para> - - <para> Attempt to insert a new stock item along with the quantity of stock. If the item already exists, instead update the stock count of the existing item. To do this without failing the entire transaction, use savepoints. |