John A Meinel [EMAIL PROTECTED] writes:
Now if you created the index on b(r,c), then it would have a much better
idea of how selective that would be. At the very least, it could index
on (r,c) rather than indexing on (r) and filtering by (c).
There has been some discussion of adding
Dirk Lutzebäck wrote:
Hi,
I do not under stand the following explain output (pgsql 8.0.3):
explain analyze
select b.e from b, d
where b.r=516081780 and b.c=513652057 and b.e=d.e;
QUERY PLAN
Richard Huxton wrote:
Dirk Lutzebäck wrote:
Hi,
I do not under stand the following explain output (pgsql 8.0.3):
explain analyze
select b.e from b, d
where b.r=516081780 and b.c=513652057 and b.e=d.e;
QUERY PLAN
Dirk Lutzebäck wrote:
Richard Huxton wrote:
Dirk Lutzebäck wrote:
Hi,
I do not under stand the following explain output (pgsql 8.0.3):
explain analyze
select b.e from b, d
where b.r=516081780 and b.c=513652057 and b.e=d.e;
QUERY
