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Added tests for boolean operators in select part

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Redo of changeset I commited, but failed to push
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salle@geopard.(none) 2002-11-18 13:41:07 +02:00
parent 74f229fd61
commit a1a88ab92b
2 changed files with 49 additions and 0 deletions
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26
mysql-test/r/bool.result
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@ -46,3 +46,29 @@ SELECT @a, @b;
@a @b
0 6
DROP TABLE t1;
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);
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;
A B nA nB AB n(AB) nAonB AoB n(AoB) nAnB
N N N N N N N N N N
0 N 1 N 0 1 1 N N N
1 N 0 N N N N 1 0 0
N 0 N 1 0 1 1 N N N
N 1 N 0 N N N 1 0 0
0 0 1 1 0 1 1 0 1 1
0 1 1 0 0 1 1 1 0 0
1 0 0 1 0 1 1 1 0 0
1 1 0 0 1 0 0 1 0 0
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;
A B nA nB AB n(AB) nAonB AoB n(AoB) nAnB
N N N N N N N N N N
0 N 1 N 0 1 1 N N N
1 N 0 N N N N 1 0 0
N 0 N 1 0 1 1 N N N
N 1 N 0 N N N 1 0 0
0 0 1 1 0 1 1 0 1 1
0 1 1 0 0 1 1 1 0 0
1 0 0 1 0 1 1 1 0 0
1 1 0 0 1 0 0 1 0 0
drop table t;

23
mysql-test/t/bool.test
View File

@ -26,3 +26,26 @@ SELECT * FROM t1 WHERE a=2 OR (NULL AND (@a:=@a+1));
SELECT * FROM t1 WHERE NOT(a=2 OR (NULL AND (@b:=@b+1)));
SELECT @a, @b;
DROP TABLE t1;
# Test boolean operators in select part
# NULLs are represented as N for readability
# 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);
# 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;
# 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;
drop table t;