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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
CREATE FUNCTION
f_tag_id |
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2 |
SELECT 1
f_tag_id |
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1 |
SELECT 1
f_tag_id |
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1 |
2 |
3 |
SELECT 3
tag_id | tag |
---|---|
1 | foo |
2 | bar |
3 | baz |
SELECT 3
CREATE FUNCTION
DELETE 2
f_tag_id |
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4 |
SELECT 1
f_tag_id |
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1 |
SELECT 1
f_tag_id |
---|
1 |
4 |
5 |
SELECT 3
tag_id | tag |
---|---|
1 | foo |
4 | bar |
5 | baz |
SELECT 3