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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 SCHEMA
CREATE TYPE
CREATE TABLE
INSERT 0 1
CREATE TYPE
CREATE TABLE
CREATE FUNCTION
INSERT 0 1
CREATE CAST
INSERT 0 1
itemid | collectionid | signature | type | status |
---|---|---|---|---|
1 | 2 | sig | audio | OK |
1 | 2 | sig | audio | OK |
SELECT 2