[EMAIL PROTECTED] (elrik) wrote in message news:<[EMAIL PROTECTED]>...
> In information i have:
>
> 1. when creating view : PostgreSQL parse the query and stock the tree query.
> 2. when using : PostgreSQL use this tree like a subselect.
>
> my question : Do PostgreSQL makes an analyse of the resulted tree ?
I can answer by myself : YES !
In fact the probleme is when i have more than 11 tables in the query...
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TIP 9: the planner will ignore your desire to choose an index scan if your
joining column's datatypes do not match
