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CREATE TABLE a ( id INTEGER PRIMARY KEY, arr VARCHAR(150)[] NULL ); INSERT INTO a (id, arr) VALUES (1, ARRAY['1a','3','2']); INSERT INTO a (id, arr) VALUES (2, ARRAY[1,1,1]); INSERT INTO a (id, arr) VALUES (3, '{123,123,abc,1a}'); SELECT UNNEST(arr) FROM a WHERE arr::text like '1%';

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