diff options
Diffstat (limited to 'mysql-test/t/bool.test')
| -rw-r--r-- | mysql-test/t/bool.test | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/mysql-test/t/bool.test b/mysql-test/t/bool.test index 10f97fefb73..c001973baeb 100644 --- a/mysql-test/t/bool.test +++ b/mysql-test/t/bool.test @@ -2,7 +2,9 @@ # Test of boolean operations with NULL # +--disable_warnings DROP TABLE IF EXISTS t1; +--enable_warnings SELECT IF(NULL AND 1, 1, 2), IF(1 AND NULL, 1, 2); SELECT NULL AND 1, 1 AND NULL, 0 AND NULL, NULL and 0; @@ -33,19 +35,17 @@ DROP TABLE t1; # Read nA as !A, AB as A && B, AoB as A || B # Result table makes ANSI happy -drop table if exists t; -create table t(a int, b int); -insert into t values(null, null), (0, null), (1, null), (null, 0), (null, 1), (0, 0), (0, 1), (1, 0), (1, 1); +create table t1 (a int, b int); +insert into t1 values(null, null), (0, null), (1, null), (null, 0), (null, 1), (0, 0), (0, 1), (1, 0), (1, 1); # Below test is valid untill we have True/False implemented as 1/0 # To comply to all rules it must show that: n(AB) = nAonB, n(AoB) = nAnB -select ifnull(A, 'N') as A, ifnull(B, 'N') as B, ifnull(not A, 'N') as nA, ifnull(not B, 'N') as nB, ifnull(A and B, 'N') as AB, ifnull(not (A and B), 'N') as `n(AB)`, ifnull((not A or not B), 'N') as nAonB, ifnull(A or B, 'N') as AoB, ifnull(not(A or B), 'N') as `n(AoB)`, ifnull(not A and not B, 'N') as nAnB from t; +select ifnull(A, 'N') as A, ifnull(B, 'N') as B, ifnull(not A, 'N') as nA, ifnull(not B, 'N') as nB, ifnull(A and B, 'N') as AB, ifnull(not (A and B), 'N') as `n(AB)`, ifnull((not A or not B), 'N') as nAonB, ifnull(A or B, 'N') as AoB, ifnull(not(A or B), 'N') as `n(AoB)`, ifnull(not A and not B, 'N') as nAnB from t1; # This should work with any internal representation of True/False # Result must be same as above -select ifnull(A=1, 'N') as A, ifnull(B=1, 'N') as B, ifnull(not (A=1), 'N') as nA, ifnull(not (B=1), 'N') as nB, ifnull((A=1) and (B=1), 'N') as AB, ifnull(not ((A=1) and (B=1)), 'N') as `n(AB)`, ifnull((not (A=1) or not (B=1)), 'N') as nAonB, ifnull((A=1) or (B=1), 'N') as AoB, ifnull(not((A=1) or (B=1)), 'N') as `n(AoB)`, ifnull(not (A=1) and not (B=1), 'N') as nAnB from t; +select ifnull(A=1, 'N') as A, ifnull(B=1, 'N') as B, ifnull(not (A=1), 'N') as nA, ifnull(not (B=1), 'N') as nB, ifnull((A=1) and (B=1), 'N') as AB, ifnull(not ((A=1) and (B=1)), 'N') as `n(AB)`, ifnull((not (A=1) or not (B=1)), 'N') as nAonB, ifnull((A=1) or (B=1), 'N') as AoB, ifnull(not((A=1) or (B=1)), 'N') as `n(AoB)`, ifnull(not (A=1) and not (B=1), 'N') as nAnB from t1; - -drop table t; +drop table t1; |