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Help with an interesting Postgres question: Why isn't an Index Only Scan used on a partition accessed via the parent table?.
version |
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PostgreSQL 12.5 on x86_64-pc-linux-gnu, compiled by gcc (GCC) 8.3.1 20191121 (Red Hat 8.3.1-5), 64-bit |
5 rows affected
id | pri_contact_id | sec_contact_id | blah_blah |
---|---|---|---|
1 | 1 | null | Team A |
2 | 1 | 3 | Team A |
4 | 1 | null | Team A |
5 | 1 | 2 | Team A |
3 | 4 | 2 | Team B |
id | pri_contact_id | sec_contact_id | blah_blah |
---|---|---|---|
1 | 1 | null | Team A |
2 | 1 | 3 | Team A |
4 | 1 | null | Team A |
5 | 1 | 2 | Team A |
3 | 4 | 2 | Team B |
id | pri_contact_id | sec_contact_id | blah_blah |
---|---|---|---|
5 | 1 | 2 | Team A |
2 | 1 | 3 | Team A |
1 | 1 | null | Team A |
4 | 1 | null | Team A |
3 | 4 | 2 | Team B |
id | pri_contact_id | sec_contact_id | blah_blah |
---|---|---|---|
5 | 1 | 2 | Team A |
2 | 1 | 3 | Team A |
1 | 1 | null | Team A |
4 | 1 | null | Team A |
3 | 4 | 2 | Team B |
id | pri_contact_id | sec_contact_id | blah_blah |
---|---|---|---|
1 | 1 | null | Team A |
4 | 1 | null | Team A |
2 | 1 | 3 | Team A |
5 | 1 | 2 | Team A |
3 | 4 | 2 | Team B |