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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?.
| castsource | casttarget |
|---|---|
| pg_ndistinct | bytea |
| pg_dependencies | bytea |
| geometry | bytea |
| geography | bytea |
SELECT 4
| proargtypes |
|---|
| [0:1]={bytea,bytea} |
| [0:1]={name,text} |
| [0:1]={text,text} |
SELECT 3