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compatibility fix

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test results corrected


mysql-test/r/range.result:
  test results corrected
mysql-test/t/range.test:
  test results corrected
sql/opt_range.cc:
  compatibility fix
This commit is contained in:
unknown
2004-10-18 15:32:06 +02:00
parent a6f6135943
commit bd5bafe1b6
3 changed files with 8 additions and 3 deletions
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8
mysql-test/r/range.result
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@ -560,10 +560,14 @@ count(*)
0
explain select count(*) from t1 where x > -16;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range PRIMARY PRIMARY 8 NULL 1 Using where; Using index
1 SIMPLE t1 index PRIMARY PRIMARY 8 NULL 2 Using where; Using index
select count(*) from t1 where x > -16;
count(*)
1
2
select * from t1 where x > -16;
x
18446744073709551600
18446744073709551601
select count(*) from t1 where x = 18446744073709551601;
count(*)
1

1
mysql-test/t/range.test
View File

@ -429,6 +429,7 @@ explain select count(*) from t1 where x > -16;
# The following result should be (2). To be fixed when we add 'unsigned flag' to
# Field::store(longlong)
select count(*) from t1 where x > -16;
select * from t1 where x > -16;
select count(*) from t1 where x = 18446744073709551601;
drop table t1;

2
sql/opt_range.cc
View File

@ -7189,7 +7189,7 @@ void cost_group_min_max(TABLE* table, KEY *index_info, uint used_key_parts,
{
quick_prefix_selectivity= (double) quick_prefix_records /
(double) table_records;
num_groups= (uint) round(num_groups * quick_prefix_selectivity);
num_groups= (uint) rint(num_groups * quick_prefix_selectivity);
}
if (used_key_parts > group_key_parts)