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Merge zippy.cornsilk.net:/home/cmiller/work/mysql/bug23411/my50-bug23411

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into  zippy.cornsilk.net:/home/cmiller/work/mysql/bug23411/my51-bug23411


BitKeeper/etc/collapsed:
  auto-union
mysql-test/r/func_test.result:
  Auto merged
sql/item_func.cc:
  Auto merged
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2006-11-06 17:46:50 -05:00
parent dd72647032 8f8ee04b14
commit c7902f9c88
4 changed files with 118 additions and 1 deletions
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34
mysql-test/t/func_test.test
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@@ -108,6 +108,40 @@ select 5.1 mod 3, 5.1 mod -3, -5.1 mod 3, -5.1 mod -3;
select 5 mod 3, 5 mod -3, -5 mod 3, -5 mod -3;
#
# Bug#23411: The "%" (MOD) operator is not documented; MOD-ing zero returns strange result
# Manual: "Division by zero produces a NULL result"
#
select (12%0) <=> null as '1';
select (12%0) is null as '1';
select 12%0 as 'NULL';
select 12%2 as '0';
select 12%NULL as 'NULL';
select 12 % null as 'NULL';
select null % 12 as 'NULL';
select null % 0 as 'NULL';
select 0 % null as 'NULL';
select null % null as 'NULL';
select (12 mod 0) <=> null as '1';
select (12 mod 0) is null as '1';
select 12 mod 0 as 'NULL';
select 12 mod 2 as '0';
select 12 mod null as 'NULL';
select null mod 12 as 'NULL';
select null mod 0 as 'NULL';
select 0 mod null as 'NULL';
select null mod null as 'NULL';
select mod(12.0, 0) as 'NULL';
select mod(12, 0.0) as 'NULL';
select mod(12, NULL) as 'NULL';
select mod(12.0, NULL) as 'NULL';
select mod(NULL, 2) as 'NULL';
select mod(NULL, 2.0) as 'NULL';
#
# Bug#6726: NOT BETWEEN parse failure
#
create table t1 (a int, b int);