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BUG#9103 merge to 5.0

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This commit is contained in:
sergefp@mysql.com 2005-04-20 12:09:56 +04:00
commit 4156f9fa44
5 changed files with 41 additions and 8 deletions
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14
mysql-test/r/update.result
View file

@ -226,3 +226,17 @@ select * from t1;
a b
0 2
drop table t1;
create table t1 (a int, b varchar(10), key b(b(5))) engine=myisam;
create table t2 (a int, b varchar(10)) engine=myisam;
insert into t1 values ( 1, 'abcd1e');
insert into t1 values ( 2, 'abcd2e');
insert into t2 values ( 1, 'abcd1e');
insert into t2 values ( 2, 'abcd2e');
analyze table t1,t2;
Table Op Msg_type Msg_text
test.t1 analyze status OK
test.t2 analyze status OK
update t1, t2 set t1.a = t2.a where t2.b = t1.b;
show warnings;
Level Code Message
drop table t1, t2;

12
mysql-test/t/update.test
View file

@ -189,3 +189,15 @@ insert into t1 values (0, '1');
update t1 set b = b + 1 where a = 0;
select * from t1;
drop table t1;
# BUG#9103 "Erroneous data truncation warnings on multi-table updates"
create table t1 (a int, b varchar(10), key b(b(5))) engine=myisam;
create table t2 (a int, b varchar(10)) engine=myisam;
insert into t1 values ( 1, 'abcd1e');
insert into t1 values ( 2, 'abcd2e');
insert into t2 values ( 1, 'abcd1e');
insert into t2 values ( 2, 'abcd2e');
analyze table t1,t2;
update t1, t2 set t1.a = t2.a where t2.b = t1.b;
show warnings;
drop table t1, t2;

2
sql/opt_range.cc
View file

@ -5532,7 +5532,7 @@ QUICK_RANGE_SELECT *get_quick_select_for_ref(THD *thd, TABLE *table,
goto err;
}
if (cp_buffer_from_ref(ref) && thd->is_fatal_error ||
if (cp_buffer_from_ref(thd,ref) && thd->is_fatal_error ||
!(range= new QUICK_RANGE()))
goto err; // out of memory

19
sql/sql_select.cc
View file

@ -9583,7 +9583,7 @@ join_read_const(JOIN_TAB *tab)
if (table->status & STATUS_GARBAGE) // If first read
{
table->status= 0;
if (cp_buffer_from_ref(&tab->ref))
if (cp_buffer_from_ref(tab->join->thd, &tab->ref))
error=HA_ERR_KEY_NOT_FOUND;
else
{
@ -9647,7 +9647,7 @@ join_read_always_key(JOIN_TAB *tab)
if (!table->file->inited)
table->file->ha_index_init(tab->ref.key);
if (cp_buffer_from_ref(&tab->ref))
if (cp_buffer_from_ref(tab->join->thd, &tab->ref))
return -1;
if ((error=table->file->index_read(table->record[0],
tab->ref.key_buff,
@ -9674,7 +9674,7 @@ join_read_last_key(JOIN_TAB *tab)
if (!table->file->inited)
table->file->ha_index_init(tab->ref.key);
if (cp_buffer_from_ref(&tab->ref))
if (cp_buffer_from_ref(tab->join->thd, &tab->ref))
return -1;
if ((error=table->file->index_read_last(table->record[0],
tab->ref.key_buff,
@ -9848,7 +9848,7 @@ join_ft_read_first(JOIN_TAB *tab)
if (!table->file->inited)
table->file->ha_index_init(tab->ref.key);
#if NOT_USED_YET
if (cp_buffer_from_ref(&tab->ref)) // as ft-key doesn't use store_key's
if (cp_buffer_from_ref(tab->join->thd, &tab->ref)) // as ft-key doesn't use store_key's
return -1; // see also FT_SELECT::init()
#endif
table->file->ft_init();
@ -11609,7 +11609,8 @@ cmp_buffer_with_ref(JOIN_TAB *tab)
{
memcpy(tab->ref.key_buff2, tab->ref.key_buff, tab->ref.key_length);
}
if ((tab->ref.key_err=cp_buffer_from_ref(&tab->ref)) || diff)
if ((tab->ref.key_err= cp_buffer_from_ref(tab->join->thd, &tab->ref)) ||
diff)
return 1;
return memcmp(tab->ref.key_buff2, tab->ref.key_buff, tab->ref.key_length)
!= 0;
@ -11617,11 +11618,17 @@ cmp_buffer_with_ref(JOIN_TAB *tab)
bool
cp_buffer_from_ref(TABLE_REF *ref)
cp_buffer_from_ref(THD *thd, TABLE_REF *ref)
{
enum enum_check_fields save_count_cuted_fields= thd->count_cuted_fields;
thd->count_cuted_fields= CHECK_FIELD_IGNORE;
for (store_key **copy=ref->key_copy ; *copy ; copy++)
if ((*copy)->copy())
{
thd->count_cuted_fields= save_count_cuted_fields;
return 1; // Something went wrong
}
thd->count_cuted_fields= save_count_cuted_fields;
return 0;
}

2
sql/sql_select.h
View file

@ -520,7 +520,7 @@ public:
const char *name() const { return "const"; }
};
bool cp_buffer_from_ref(TABLE_REF *ref);
bool cp_buffer_from_ref(THD *thd, TABLE_REF *ref);
bool error_if_full_join(JOIN *join);
int report_error(TABLE *table, int error);
int safe_index_read(JOIN_TAB *tab);