| -- |
| -- FLOAT4 |
| -- |
| |
| CREATE TABLE FLOAT4_TBL (f1 float4); |
| |
| INSERT INTO FLOAT4_TBL(f1) VALUES (' 0.0'); |
| INSERT INTO FLOAT4_TBL(f1) VALUES ('1004.30 '); |
| INSERT INTO FLOAT4_TBL(f1) VALUES (' -34.84 '); |
| INSERT INTO FLOAT4_TBL(f1) VALUES ('1.2345678901234e+20'); |
| INSERT INTO FLOAT4_TBL(f1) VALUES ('1.2345678901234e-20'); |
| |
| -- test for over and under flow |
| INSERT INTO FLOAT4_TBL(f1) VALUES ('10e40'); |
| INSERT INTO FLOAT4_TBL(f1) VALUES ('-10e40'); |
| INSERT INTO FLOAT4_TBL(f1) VALUES ('10e-40'); |
| INSERT INTO FLOAT4_TBL(f1) VALUES ('-10e-40'); |
| |
| -- bad input |
| INSERT INTO FLOAT4_TBL(f1) VALUES (''); |
| INSERT INTO FLOAT4_TBL(f1) VALUES (' '); |
| INSERT INTO FLOAT4_TBL(f1) VALUES ('xyz'); |
| INSERT INTO FLOAT4_TBL(f1) VALUES ('5.0.0'); |
| INSERT INTO FLOAT4_TBL(f1) VALUES ('5 . 0'); |
| INSERT INTO FLOAT4_TBL(f1) VALUES ('5. 0'); |
| INSERT INTO FLOAT4_TBL(f1) VALUES (' - 3.0'); |
| INSERT INTO FLOAT4_TBL(f1) VALUES ('123 5'); |
| |
| -- special inputs |
| SELECT 'NaN'::float4; |
| SELECT 'nan'::float4; |
| SELECT ' NAN '::float4; |
| SELECT 'infinity'::float4; |
| SELECT ' -INFINiTY '::float4; |
| -- bad special inputs |
| SELECT 'N A N'::float4; |
| SELECT 'NaN x'::float4; |
| SELECT ' INFINITY x'::float4; |
| |
| SELECT 'Infinity'::float4 + 100.0; |
| SELECT 'Infinity'::float4 / 'Infinity'::float4; |
| SELECT 'nan'::float4 / 'nan'::float4; |
| |
| |
| SELECT '' AS five, * FROM FLOAT4_TBL ORDER BY 2; |
| |
| SELECT '' AS four, f.* FROM FLOAT4_TBL f WHERE f.f1 <> '1004.3' ORDER BY 2; |
| |
| SELECT '' AS one, f.* FROM FLOAT4_TBL f WHERE f.f1 = '1004.3' ORDER BY 2; |
| |
| SELECT '' AS three, f.* FROM FLOAT4_TBL f WHERE '1004.3' > f.f1 ORDER BY 2; |
| |
| SELECT '' AS three, f.* FROM FLOAT4_TBL f WHERE f.f1 < '1004.3' ORDER BY 2; |
| |
| SELECT '' AS four, f.* FROM FLOAT4_TBL f WHERE '1004.3' >= f.f1 ORDER BY 2; |
| |
| SELECT '' AS four, f.* FROM FLOAT4_TBL f WHERE f.f1 <= '1004.3' ORDER BY 2; |
| |
| SELECT '' AS three, f.f1, f.f1 * '-10' AS x FROM FLOAT4_TBL f |
| WHERE f.f1 > '0.0' ORDER BY 2; |
| |
| SELECT '' AS three, f.f1, f.f1 + '-10' AS x FROM FLOAT4_TBL f |
| WHERE f.f1 > '0.0' ORDER BY 2; |
| |
| SELECT '' AS three, f.f1, f.f1 / '-10' AS x FROM FLOAT4_TBL f |
| WHERE f.f1 > '0.0' ORDER BY 2; |
| |
| SELECT '' AS three, f.f1, f.f1 - '-10' AS x FROM FLOAT4_TBL f |
| WHERE f.f1 > '0.0' ORDER BY 2; |
| |
| -- test divide by zero |
| SELECT '' AS bad, f.f1 / '0.0' from FLOAT4_TBL f; |
| |
| SELECT '' AS five, * FROM FLOAT4_TBL ORDER BY 2; |
| |
| -- test the unary float4abs operator |
| SELECT '' AS five, f.f1, @f.f1 AS abs_f1 FROM FLOAT4_TBL f ORDER BY 2; |
| |
| -- MPP doesn't support this yet. |
| --UPDATE FLOAT4_TBL |
| -- SET f1 = FLOAT4_TBL.f1 * '-1' |
| -- WHERE FLOAT4_TBL.f1 > '0.0'; |
| |
| --SELECT '' AS five, * FROM FLOAT4_TBL ORDER BY 2; |
| |