PostgreSQL TODO List
====================
-Last updated: Thu Dec 1 17:07:44 EST 2005
+Last updated: Thu Dec 1 17:12:27 EST 2005
The most recent version of this document can be viewed at
http://www.postgresql.org/docs/faqs.TODO.html.
* Add a GUC variable to warn about non-standard SQL usage in queries
* Add SQL-standard MERGE command, typically used to merge two tables
+ [merge]
This is similar to UPDATE, then for unmatched rows, INSERT.
Whether concurrent access allows modifications which could cause
row loss is implementation independent.
* Add REPLACE or UPSERT command that does UPDATE, or on failure, INSERT
+ [merge]
To implement this cleanly requires that the table have a unique index
so duplicate checking can be easily performed. It is possible to
-Last updated: Thu Dec 1 17:07:44 EST 2005
+Last updated: Thu Dec 1 17:12:27 EST 2005
The most recent version of this document can be viewed at
Add a GUC variable to warn about non-standard SQL usage in queries
Add SQL-standard MERGE command, typically used to merge two tables
This is similar to UPDATE, then for unmatched rows, INSERT.
Whether concurrent access allows modifications which could cause
row loss is implementation independent.
Add REPLACE or UPSERT command that does UPDATE, or on failure, INSERT
To implement this cleanly requires that the table have a unique index
so duplicate checking can be easily performed. It is possible to
do it without a unique index if we require the user to LOCK the table