mirror/mariadb
1
0
Fork 0
mirror of https://github.com/MariaDB/server.git synced 2026-05-10 09:04:29 +02:00
Code Issues Projects Releases Packages Wiki Activity

Bug#20305: PROCEDURE ANALYSE() returns wrong M for FLOAT(M, D) and DOUBLE(M, D)

Browse source 
mysql-test/r/analyse.result:
  Added Results
mysql-test/t/analyse.test:
  Added test cases to make sure field_str and field_real return correctly.
sql/sql_analyse.cc:
  According the manaul, when declaring a FLOAT(M, N), N equals the number of decimal places and M equals the total number of
  digits in the number.
This commit is contained in:
unknown 2006-09-28 14:30:20 -04:00
commit 314e10592c
3 changed files with 30 additions and 5 deletions
Download patch file Download diff file Expand all files Collapse all files

13
mysql-test/r/analyse.result
View file

@ -134,3 +134,16 @@ test.t1.product Computer TV 2 8 0 0 4.2500 NULL ENUM('Computer','Phone','TV') NO
sum(profit) 10 6900 2 4 0 0 1946 2868 ENUM('10','275','600','6900') NOT NULL
avg(profit) 10.0000 1380.0000 7 9 0 0 394.6875 570.2003 ENUM('10.0000','68.7500','120.0000','1380.0000') NOT NULL
drop table t1,t2;
create table t1 (f1 double(10,5), f2 char(10), f3 double(10,5));
insert into t1 values (5.999, "5.9999", 5.99999), (9.555, "9.5555", 9.55555);
select f1 from t1 procedure analyse(1, 1);
Field_name Min_value Max_value Min_length Max_length Empties_or_zeros Nulls Avg_value_or_avg_length Std Optimal_fieldtype
test.t1.f1 5.99900 9.55500 7 7 0 0 7.77700 1.77800 FLOAT(4,3) NOT NULL
select f2 from t1 procedure analyse(1, 1);
Field_name Min_value Max_value Min_length Max_length Empties_or_zeros Nulls Avg_value_or_avg_length Std Optimal_fieldtype
test.t1.f2 5.9999 9.5555 6 6 0 0 6.0000 NULL FLOAT(5,4) UNSIGNED NOT NULL
select f3 from t1 procedure analyse(1, 1);
Field_name Min_value Max_value Min_length Max_length Empties_or_zeros Nulls Avg_value_or_avg_length Std Optimal_fieldtype
test.t1.f3 5.99999 9.55555 7 7 0 0 7.77777 1.77778 FLOAT(6,5) NOT NULL
drop table t1;
End of 4.1 tests

14
mysql-test/t/analyse.test
View file

@ -82,4 +82,16 @@ create table t2 (country_id int primary key, country char(20) not null);
insert into t2 values (1, 'USA'),(2,'India'), (3,'Finland');
select product, sum(profit),avg(profit) from t1 group by product with rollup procedure analyse();
drop table t1,t2;
# End of 4.1 tests
#
# Bug #20305 PROCEDURE ANALYSE() returns wrong M for FLOAT(M, D) and DOUBLE(M, D)
#
create table t1 (f1 double(10,5), f2 char(10), f3 double(10,5));
insert into t1 values (5.999, "5.9999", 5.99999), (9.555, "9.5555", 9.55555);
select f1 from t1 procedure analyse(1, 1);
select f2 from t1 procedure analyse(1, 1);
select f3 from t1 procedure analyse(1, 1);
drop table t1;
--echo End of 4.1 tests