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SQLize.online is a free online SQL environment for quickly running, experimenting with and sharing code.
You can run your SQL code on top of the most popular RDBMS including MySQL, MariaDB, SQLite, PostgreSQL, Oracle and Microsoft SQL Server.
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-- SELECT * -- FROM pg_type; CREATE OR REPLACE FUNCTION f_merge_ranges(oid, text, text) RETURNS text IMMUTABLE STRICT LANGUAGE plpgsql AS $$ DECLARE raw_range text; merged_ranges text; BEGIN IF $1 = 23 THEN raw_range := 'int4range(' || $2 || ', ' || $3 || ')'; ELSIF $1 = 1082 THEN raw_range := 'daterange(' || quote_literal($2) || ', ' || quote_literal($3) || ')'; ELSE RAISE ''; END IF; EXECUTE 'SELECT ' || raw_range || '::text;' INTO merged_ranges; RETURN merged_ranges; END; $$; -- SELECT f_merge_ranges(1082, '2022-01-01', '2022-02-01'); EXPLAIN ANALYZE SELECT 1 FROM generate_series(1, 200000) s -- WHERE CASE -- WHEN s >= 30000 AND s < 50000 THEN TRUE -- WHEN s >= 50000 AND s < 70000 THEN TRUE -- WHEN s >= 70000 AND s < 90000 THEN TRUE -- ELSE FALSE END WHERE s <@ int4range(30000, 90000);
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