Hi,
with the following table:
Table "public.foo"
Column | Type | Modifiers
--------+------+-----------
t | text |
Indexes:
"a" btree (t)
Shouldn't queries that use
... where t like '%something%'
benefit from "a" when t is NULL in almost all cases, since the query
planner could use "a" to access the few non-NULL rows quickly? It
doesn't seem to work right now.
(I assume that it would make no difference if the index "a" was partial,
excluding NULLs)
Regards,
-mjy