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WITH t(jsdata) AS ( SELECT '[{"id": 0, "array_a": ["a", "c"], "array_b": ["b" , "d"]}]'::JSONB ), t2 AS ( SELECT (elm -> 'array_a')::JSONB AS a, (elm -> 'array_b')::JSONB AS b FROM t CROSS JOIN JSONB_ARRAY_ELEMENTS(jsdata) WITH ORDINALITY AS q(elm, i) ) SELECT col1, col2 FROM t2 JOIN JSONB_ARRAY_ELEMENTS_TEXT(a) WITH ORDINALITY AS q1(col1, i) ON TRUE JOIN JSONB_ARRAY_ELEMENTS_TEXT(b) WITH ORDINALITY AS q2(col2, j) ON i=j
col1
col2
a
b
c
d