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Fixed BUG#1874: Don't call fix_fields() indiscriminately, it resets null_value

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for some items, which made aggregates like MIN(), MAX() and SUM() fail.
This commit is contained in:
pem@mysql.comhem.se
2003-11-20 18:30:02 +01:00
parent 05f25feaa9
commit 5e46a05960
3 changed files with 82 additions and 16 deletions
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30
mysql-test/r/sp.result
View File

@@ -6,9 +6,9 @@ id char(16) not null,
data int not null
);
create table t2 (
s char(16) not null,
i int not null,
d double not null
s char(16),
i int,
d double
);
create procedure foo42()
insert into test.t1 values ("foo", 42);
@@ -777,6 +777,30 @@ a
2
drop table t3;
drop procedure bug1862;
create procedure bug1874()
begin
declare x int;
declare y double;
select max(data) into x from t1;
insert into t2 values ("max", x, 0);
select min(data) into x from t1;
insert into t2 values ("min", x, 0);
select sum(data) into x from t1;
insert into t2 values ("sum", x, 0);
select avg(data) into y from t1;
insert into t2 values ("avg", 0, y);
end;
insert into t1 (data) values (3), (1), (5), (9), (4);
call bug1874();
select * from t2;
s i d
max 9 0
min 1 0
sum 22 0
avg 0 4.4
delete from t1;
delete from t2;
drop procedure bug1874;
drop table if exists fac;
create table fac (n int unsigned not null primary key, f bigint unsigned);
create procedure ifac(n int unsigned)

31
mysql-test/t/sp.test
View File

@@ -15,9 +15,9 @@ create table t1 (
data int not null
);
create table t2 (
s char(16) not null,
i int not null,
d double not null
s char(16),
i int,
d double
);
@@ -921,6 +921,31 @@ drop table t3|
drop procedure bug1862|
#
# BUG#1874
#
create procedure bug1874()
begin
declare x int;
declare y double;
select max(data) into x from t1;
insert into t2 values ("max", x, 0);
select min(data) into x from t1;
insert into t2 values ("min", x, 0);
select sum(data) into x from t1;
insert into t2 values ("sum", x, 0);
select avg(data) into y from t1;
insert into t2 values ("avg", 0, y);
end|
insert into t1 (data) values (3), (1), (5), (9), (4)|
call bug1874()|
select * from t2|
delete from t1|
delete from t2|
drop procedure bug1874|
#
# Some "real" examples
#