> Lutischán Ferenc wrote:
>
> It is possible to make an index on the table, and make a seq index scan on
>> this values?
>>
>
> My understanding is that this isn't possible in PostgreSQL, because indexes
> do not contain information about tuple visibility. Data read from the index
> might refer to
Lutischán Ferenc wrote:
It is possible to make an index on the table, and make a seq index scan
on this values?
My understanding is that this isn't possible in PostgreSQL, because
indexes do not contain information about tuple visibility. Data read
from the index might refer to tuples that'v
Dear List,
I would like to improve seq scan performance. :-)
I have many cols in a table. I use only 1 col for search on it. It is
indexed with btree with text_pattern_ops. The search method is: r like
'%aaa%'
When I make another table with only this col values, the search time is
better wh
