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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?.
4 rows affected
tuple
BIRD
CAT
DOG
TREE
BIRD,CAT
BIRD,DOG
BIRD,TREE
CAT,DOG
CAT,TREE
DOG,TREE
BIRD,CAT,DOG
BIRD,CAT,TREE
BIRD,DOG,TREE
CAT,DOG,TREE
BIRD,CAT,DOG,TREE