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5.1-bugteam->5.5-bugteam merge

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This commit is contained in:
Sergey Glukhov 2010-11-23 13:47:35 +03:00
commit ee2b93944b
4 changed files with 96 additions and 0 deletions
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41
mysql-test/suite/innodb/r/innodb_mysql.result
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@ -2622,6 +2622,47 @@ SELECT LEAST((SELECT '' FROM t1),NOW()) FROM `t1`;
ERROR 22007: Incorrect datetime value: '' for column 'NOW()' at row 2
DROP TABLE t1;
SET SQL_MODE=DEFAULT;
#
# Bug#56862 Execution of a query that uses index merge returns a wrong result
#
CREATE TABLE t1 (
pk int NOT NULL AUTO_INCREMENT PRIMARY KEY,
a int,
b int,
INDEX idx(a))
ENGINE=INNODB;
INSERT INTO t1(a,b) VALUES
(11, 1100), (2, 200), (1, 100), (14, 1400), (5, 500),
(3, 300), (17, 1700), (4, 400), (12, 1200), (8, 800),
(6, 600), (18, 1800), (9, 900), (10, 1000), (7, 700),
(13, 1300), (15, 1500), (19, 1900), (16, 1600), (20, 2000);
INSERT INTO t1(a,b) SELECT a+20, b+2000 FROM t1;
INSERT INTO t1(a,b) SELECT a+40, b+4000 FROM t1;
INSERT INTO t1(a,b) SELECT a+80, b+8000 FROM t1;
INSERT INTO t1(a,b) SELECT a,b FROM t1;
INSERT INTO t1(a,b) SELECT a,b FROM t1;
INSERT INTO t1(a,b) SELECT a,b FROM t1;
INSERT INTO t1(a,b) SELECT a,b FROM t1;
INSERT INTO t1(a,b) SELECT a,b FROM t1;
INSERT INTO t1(a,b) SELECT a,b FROM t1;
INSERT INTO t1(a,b) SELECT a,b FROM t1;
INSERT INTO t1(a,b) SELECT a,b FROM t1;
INSERT INTO t1 VALUES (1000000, 0, 0);
SET SESSION sort_buffer_size = 1024*36;
EXPLAIN
SELECT COUNT(*) FROM
(SELECT * FROM t1 FORCE INDEX (idx,PRIMARY)
WHERE a BETWEEN 2 AND 7 OR pk=1000000) AS t;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL Select tables optimized away
2 DERIVED t1 index_merge PRIMARY,idx idx,PRIMARY 5,4 NULL 1536 Using sort_union(idx,PRIMARY); Using where
SELECT COUNT(*) FROM
(SELECT * FROM t1 FORCE INDEX (idx,PRIMARY)
WHERE a BETWEEN 2 AND 7 OR pk=1000000) AS t;
COUNT(*)
1537
SET SESSION sort_buffer_size = DEFAULT;
DROP TABLE t1;
End of 5.1 tests
#
# Test for bug #39932 "create table fails if column for FK is in different

43
mysql-test/suite/innodb/t/innodb_mysql.test
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@ -786,6 +786,49 @@ CREATE TABLE t2
DROP TABLE t1;
SET SQL_MODE=DEFAULT;
--echo #
--echo # Bug#56862 Execution of a query that uses index merge returns a wrong result
--echo #
CREATE TABLE t1 (
pk int NOT NULL AUTO_INCREMENT PRIMARY KEY,
a int,
b int,
INDEX idx(a))
ENGINE=INNODB;
INSERT INTO t1(a,b) VALUES
(11, 1100), (2, 200), (1, 100), (14, 1400), (5, 500),
(3, 300), (17, 1700), (4, 400), (12, 1200), (8, 800),
(6, 600), (18, 1800), (9, 900), (10, 1000), (7, 700),
(13, 1300), (15, 1500), (19, 1900), (16, 1600), (20, 2000);
INSERT INTO t1(a,b) SELECT a+20, b+2000 FROM t1;
INSERT INTO t1(a,b) SELECT a+40, b+4000 FROM t1;
INSERT INTO t1(a,b) SELECT a+80, b+8000 FROM t1;
INSERT INTO t1(a,b) SELECT a,b FROM t1;
INSERT INTO t1(a,b) SELECT a,b FROM t1;
INSERT INTO t1(a,b) SELECT a,b FROM t1;
INSERT INTO t1(a,b) SELECT a,b FROM t1;
INSERT INTO t1(a,b) SELECT a,b FROM t1;
INSERT INTO t1(a,b) SELECT a,b FROM t1;
INSERT INTO t1(a,b) SELECT a,b FROM t1;
INSERT INTO t1(a,b) SELECT a,b FROM t1;
INSERT INTO t1 VALUES (1000000, 0, 0);
SET SESSION sort_buffer_size = 1024*36;
EXPLAIN
SELECT COUNT(*) FROM
(SELECT * FROM t1 FORCE INDEX (idx,PRIMARY)
WHERE a BETWEEN 2 AND 7 OR pk=1000000) AS t;
SELECT COUNT(*) FROM
(SELECT * FROM t1 FORCE INDEX (idx,PRIMARY)
WHERE a BETWEEN 2 AND 7 OR pk=1000000) AS t;
SET SESSION sort_buffer_size = DEFAULT;
DROP TABLE t1;
--echo End of 5.1 tests

3
sql/opt_range.h
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@ -279,6 +279,7 @@ public:
virtual bool reverse_sorted() = 0;
virtual bool unique_key_range() { return false; }
virtual bool clustered_pk_range() { return false; }
enum {
QS_TYPE_RANGE = 0,
@ -553,6 +554,8 @@ public:
THD *thd;
int read_keys_and_merge();
bool clustered_pk_range() { return test(pk_quick_select); }
/* used to get rows collected in Unique */
READ_RECORD read_record;
};

9
sql/records.cc
View File

@ -206,6 +206,15 @@ void init_read_record(READ_RECORD *info,THD *thd, TABLE *table,
if (select && my_b_inited(&select->file))
tempfile= &select->file;
else if (select && select->quick && select->quick->clustered_pk_range())
{
/*
In case of QUICK_INDEX_MERGE_SELECT with clustered pk range we have to
use its own access method(i.e QUICK_INDEX_MERGE_SELECT::get_next()) as
sort file does not contain rowids which satisfy clustered pk range.
*/
tempfile= 0;
}
else
tempfile= table->sort.io_cache;
if (tempfile && my_b_inited(tempfile)) // Test if ref-records was used