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Better bug fix for:

#9728  'Decreased functionality in "on duplicate key update
#8147  'a column proclaimed ambigous in INSERT ... SELECT .. ON DUPLICATE'

This ensures fields are uniquely qualified and also that one can't update other tables in the ON DUPLICATE KEY UPDATE part
This commit is contained in:
monty@mishka.local
2005-06-27 16:46:41 +03:00
parent d0700b819e
commit 83f90e060e
14 changed files with 123 additions and 78 deletions

View File

@@ -1,4 +1,4 @@
drop table if exists t1,t2;
drop table if exists t1,t2,t3;
create table t1 (bandID MEDIUMINT UNSIGNED NOT NULL PRIMARY KEY, payoutID SMALLINT UNSIGNED NOT NULL);
insert into t1 (bandID,payoutID) VALUES (1,6),(2,6),(3,4),(4,9),(5,10),(6,1),(7,12),(8,12);
create table t2 (payoutID SMALLINT UNSIGNED NOT NULL PRIMARY KEY);
@@ -636,16 +636,35 @@ ff1 ff2
drop table t1, t2;
create table t1 (a int unique);
create table t2 (a int, b int);
create table t3 (c int, d int);
insert into t1 values (1),(2);
insert into t2 values (1,2);
insert into t3 values (1,6),(3,7);
select * from t1;
a
1
2
insert into t1 select t2.a from t2 on duplicate key update a= a + t2.b;
insert into t1 select a from t2 on duplicate key update a= t1.a + t2.b;
select * from t1;
a
2
3
drop table t1;
drop table t2;
insert into t1 select a+1 from t2 on duplicate key update t1.a= t1.a + t2.b+1;
select * from t1;
a
3
5
insert into t1 select t3.c from t3 on duplicate key update a= a + t3.d;
select * from t1;
a
1
5
10
insert into t1 select t2.a from t2 group by t2.a on duplicate key update a= a + 10;
insert into t1 select t2.a from t2 on duplicate key update a= a + t2.b;
ERROR 23000: Column 'a' in field list is ambiguous
insert into t1 select t2.a from t2 on duplicate key update t2.a= a + t2.b;
ERROR 42S02: Unknown table 't2' in field list
insert into t1 select t2.a from t2 group by t2.a on duplicate key update a= t1.a + t2.b;
ERROR 42S02: Unknown table 't2' in field list
drop table t1,t2,t3;