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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
CREATE TABLE
CREATE TABLE
INSERT 0 1
INSERT 0 1
INSERT 0 1
id | common1 | common2 |
---|---|---|
3 | 3 | t |
2 | 2 | f |
1 | 1 | t |
SELECT 3
id | common1 | common2 |
---|---|---|
3 | 3 | t |
SELECT 1
id | common1 | common2 | layers | at1 |
---|---|---|---|---|
2 | 2 | f | 3 | b |
SELECT 1