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CREATE TABLE test1 (id int); CREATE TABLE test2 (id int); insert into test1 values (1); insert into test2 values (2); with nms as (select * from (values ('test1'), ('test2')) t1 (nm)) --SELECT * FROM (CAST (SELECT name FROM names LIMIT 1) as name) t1 SELECT * FROM ((SELECT nm::name FROM nms limit 1)) t1;

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