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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 6
textcola | textcolb | textcolc | textcold | textcole | numcol1 | numcol2 | eventnum |
---|---|---|---|---|---|---|---|
x | y | z | foo | bar | 1 | 2 | 1 |
x | y | z | foo | bar | 1 | 2 | 2 |
x | y | z | foo | bar | 1.1 | 2 | 3 |
x | y | z | foo | bar | 1.1 | 2 | 4 |
x | y | z | foo | bar | 1 | 2 | 5 |
x | y | z | foo | bar | 1 | 2 | 6 |
SELECT 6
textcola | textcolb | textcolc | textcold | textcole | numcol1 | numcol2 | eventnum |
---|---|---|---|---|---|---|---|
x | y | z | foo | bar | 1 | 2 | 1 |
x | y | z | foo | bar | 1.1 | 2 | 3 |
x | y | z | foo | bar | 1 | 2 | 5 |
SELECT 3