ydb/yql/essentials/tests/postgresql/cases/numerology.sql

--
-- NUMEROLOGY
-- Test various combinations of numeric types and functions.
--
--
-- Test implicit type conversions
-- This fails for Postgres v6.1 (and earlier?)
--  so let's try explicit conversions for now - tgl 97/05/07
--
CREATE TABLE TEMP_FLOAT (f1 FLOAT8);
INSERT INTO TEMP_FLOAT (f1)
  SELECT float8(f1) FROM INT4_TBL;
INSERT INTO TEMP_FLOAT (f1)
  SELECT float8(f1) FROM INT2_TBL;
SELECT f1 FROM TEMP_FLOAT
  ORDER BY f1;
-- int4
CREATE TABLE TEMP_INT4 (f1 INT4);
INSERT INTO TEMP_INT4 (f1)
  SELECT int4(f1) FROM FLOAT8_TBL
  WHERE (f1 > -2147483647) AND (f1 < 2147483647);
INSERT INTO TEMP_INT4 (f1)
  SELECT int4(f1) FROM INT2_TBL;
-- int2
CREATE TABLE TEMP_INT2 (f1 INT2);
INSERT INTO TEMP_INT2 (f1)
  SELECT int2(f1) FROM FLOAT8_TBL
  WHERE (f1 >= -32767) AND (f1 <= 32767);
INSERT INTO TEMP_INT2 (f1)
  SELECT int2(f1) FROM INT4_TBL
  WHERE (f1 >= -32767) AND (f1 <= 32767);
--
-- Group-by combinations
--
CREATE TABLE TEMP_GROUP (f1 INT4, f2 INT4, f3 FLOAT8);
INSERT INTO TEMP_GROUP
  SELECT 1, (- i.f1), (- f.f1)
  FROM INT4_TBL i, FLOAT8_TBL f;
DROP TABLE TEMP_INT2;
DROP TABLE TEMP_INT4;
DROP TABLE TEMP_FLOAT;
DROP TABLE TEMP_GROUP;