Wow!! This is what I call cryptic!!
On 9/29/23 2:46 a.m., Vladimir Sitnikov wrote:
Oh, I misplaced the added where conditions.
It should have been as follows, however, the overall idea is the same
--- orignial.sql
+++ tuned_v2.sql
@@ -83,6 +83,7 @@
AND
Oh, I misplaced the added where conditions.
It should have been as follows, however, the overall idea is the same
--- orignial.sql
+++ tuned_v2.sql
@@ -83,6 +83,7 @@
AND (judg1.jrt_opt_out_flag <> 'Y' OR
judg1.jrt_opt_out_flag IS NULL)
) sub0
Steve,
It looks like PostgreSQL was not able to push the join condition into group
by subquery.
The problematic bits in the PostgreSQL plan are
-> Nested Loop Left Join (cost=3423317.32..4522882.01 rows=4
width=261) (actual time=30839.132..35117.682 rows=39 loops=1)
