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Merge epotemkin@bk-internal.mysql.com:/home/bk/mysql-5.0

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into moonbone.local:/work/tmp_merge-5.0-opt-mysql
This commit is contained in:
evgen@moonbone.local 2006-06-21 01:10:59 +04:00
commit 278b26a39b
6 changed files with 52 additions and 3 deletions
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4
mysql-test/r/insert_select.result
View File

@ -686,3 +686,7 @@ ERROR 42S22: Unknown column 'z' in 'field list'
insert into t1(x,y) select x,z from t2 on duplicate key update x=values(t2.x);
ERROR 42S22: Unknown column 't2.x' in 'field list'
drop table t1,t2;
CREATE TABLE t1 (a int PRIMARY KEY);
INSERT INTO t1 values (1), (2);
INSERT INTO t1 SELECT a + 2 FROM t1 LIMIT 1;
DROP TABLE t1;

6
mysql-test/r/select.result
View File

@ -3389,3 +3389,9 @@ a t1.b + 0 t1.c + 0 a t2.b + 0 c d
1 0 1 1 0 1 NULL
2 0 1 NULL NULL NULL NULL
drop table t1,t2;
CREATE TABLE t1 (i BIGINT UNSIGNED NOT NULL);
INSERT INTO t1 VALUES (10);
SELECT i='1e+01',i=1e+01, i in (1e+01), i in ('1e+01') FROM t1;
i='1e+01' i=1e+01 i in (1e+01) i in ('1e+01')
0 1 1 1
DROP TABLE t1;

13
mysql-test/t/insert_select.test
View File

@ -224,4 +224,17 @@ insert into t1(x,y) select x,z from t2 on duplicate key update x=values(z);
insert into t1(x,y) select x,z from t2 on duplicate key update x=values(t2.x);
drop table t1,t2;
#
# Bug #9676: INSERT INTO x SELECT .. FROM x LIMIT 1; slows down with big
# tables
#
#Note: not an exsaustive test : just a check of the code path.
CREATE TABLE t1 (a int PRIMARY KEY);
INSERT INTO t1 values (1), (2);
INSERT INTO t1 SELECT a + 2 FROM t1 LIMIT 1;
DROP TABLE t1;
# End of 4.1 tests

19
mysql-test/t/select.test
View File

@ -2285,6 +2285,25 @@ EXPLAIN SELECT * FROM t1 FORCE INDEX (a);
DROP TABLE t1;
#
# Bug #18759 "Incorrect string to numeric conversion"
#
# This test is here so that the behavior will not be changed to 4.1
# and not to 5.0 either. In 4.1 and 5.0 sending an integer as a string
# will be converted internally to real (double) value and it is not
# as accurate as bigint (longlong) for integers. Thus the results may
# vary. In 5.1 internally it is decimal, which is a string type and
# will be more accurate. Due to rather big changes needed to fix this
# in 4.1 or 5.0 it is not desired to do it in the stable versions.
#
# This test is here only to make sure that behavior is not changed in
# 4.1 and 5.0
#
CREATE TABLE t1 (i BIGINT UNSIGNED NOT NULL);
INSERT INTO t1 VALUES (10);
SELECT i='1e+01',i=1e+01, i in (1e+01), i in ('1e+01') FROM t1;
DROP TABLE t1;
# End of 4.1 tests
#

3
sql/item_cmpfunc.cc
View File

@ -138,7 +138,8 @@ static void agg_cmp_type(THD *thd, Item_result *type, Item **items, uint nitems)
}
continue;
}
if ((res= items[i]->real_item()->type()) == Item::FIELD_ITEM)
if ((res= items[i]->real_item()->type()) == Item::FIELD_ITEM &&
items[i]->result_type() != INT_RESULT)
{
field= ((Item_field *)items[i]->real_item())->field;
break;

10
sql/sql_select.cc
View File

@ -1068,8 +1068,9 @@ JOIN::optimize()
group_list ? 0 : select_distinct,
group_list && simple_group,
select_options,
(order == 0 || skip_sort_order) ? select_limit :
HA_POS_ERROR,
(order == 0 || skip_sort_order ||
test(select_options & OPTION_BUFFER_RESULT)) ?
select_limit : HA_POS_ERROR,
(char *) "")))
DBUG_RETURN(1);
@ -8814,6 +8815,11 @@ create_tmp_table(THD *thd,TMP_TABLE_PARAM *param,List<Item> &fields,
keyinfo->key_length+= key_part_info->length;
}
}
else
{
set_if_smaller(table->max_rows, rows_limit);
param->end_write_records= rows_limit;
}
if (distinct && field_count != param->hidden_field_count)
{