> For example, consider the queres:
>
> SELECT * FROM table1 WHERE field1=1 AND field2=1;
>
> SELECT * FROM table1 WHERE field2=1 AND field1=1;
>
>
> These two queries are logically equivalent. But in all cases the planner
> generates a query plan that performs field1=1 condition, and then field2=1
> condition, as there is a index on field1.
>
> Is it possible to instruct the PostgreSQL query planner to perform field2=1
> condition first, and then field1=1 condition?
>
> ---------------------------(end of broadcast)---------------------------
> TIP 6: explain analyze is your friend
>
EXPLAIN [ ANALYZE ] [ VERBOSE ] statement
This command displays the execution plan that the PostgreSQL planner generates
for the supplied statement.
This command displays plan ONLY! But I want to instruct the PostgreSQL query
planner to perform field2=1 condition first, and then field1=1 condition.
---------------------------(end of broadcast)---------------------------
TIP 3: Have you checked our extensive FAQ?
http://www.postgresql.org/docs/faq
