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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?.
CREATE TABLE
INSERT 0 1
INSERT 0 1
INSERT 0 1
CREATE TABLE
INSERT 0 3
user_id | project_id |
---|---|
1 | a0eebc99-9c0b-4ef8-bb6d-6bb9bd380a11 |
2 | a0eebc99-9c0b-4ef8-bb6d-6bb9bd380a11 |
3 | e0eebc99-9c0b-4ef8-bb6d-6bb9bd380a11 |
SELECT 3
ERROR: invalid input syntax for type uuid: ""
user_id | project_id |
---|---|
1 | a0eebc99-9c0b-4ef8-bb6d-6bb9bd380a11 |
1 | b0eebc99-9c0b-4ef8-bb6d-cbb9bd380a11 |
2 | a0eebc99-9c0b-4ef8-bb6d-6bb9bd380a11 |
2 | b0eebc99-9c0b-4ef8-bb6d-cbb9bd380a11 |
2 | c0eebc99-9c0b-4ef8-bb6d-6bb9bd380a11 |
3 | f0eebc99-9c0b-4ef8-bb6d-6bb9bd380a11 |
3 | |
3 | e0eebc99-9c0b-4ef8-bb6d-6bb9bd380a11 |
SELECT 8
user_id | project_id |
---|---|
2 | a0eebc99-9c0b-4ef8-bb6d-6bb9bd380a11 |
1 | a0eebc99-9c0b-4ef8-bb6d-6bb9bd380a11 |
3 | e0eebc99-9c0b-4ef8-bb6d-6bb9bd380a11 |
SELECT 3