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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
id en_name names
1 null {"short": null, "common": [{"value": "برونشوايغ", "language": "ar"}, {"value": "برانشویگ", "language": "ur"}, {"value": "برونشوایگ", "language": "fa"}, {"value": "Брауншвейг", "language": "ru"}, {"value": "Breunswyk", "language": "fy"}, {"value": "Braunšveiga", "language": "lv"}, {"value": "Brunszwik", "language": "pl"}, {"value": "Braunschweig", "language": "local"}, {"value": "Brunswick", "language": "fr"}, {"value": "Brunswick", "language": "es"}, {"value": "Brunswick", "language": "en"}]}
SELECT 1
id name
1 برونشوايغ
SELECT 1
id en_name
1 null
SELECT 1
ERROR:  syntax error at or near "JSONB_ARRAY_ELEMENTS"
LINE 4:   JSONB_ARRAY_ELEMENTS(common->'value') as name_value,
          ^
ERROR:  operator is not unique: unknown ->> unknown
LINE 1: SELECT id,'common'->>'value' AS en_name
                          ^
HINT:  Could not choose a best candidate operator. You might need to add explicit type casts.