1
0
mirror of https://github.com/MariaDB/server.git synced 2025-07-29 05:21:33 +03:00

Merge 10.2 into 10.3

This commit is contained in:
Marko Mäkelä
2019-07-02 17:46:22 +03:00
320 changed files with 23190 additions and 7611 deletions

View File

@ -3130,8 +3130,49 @@ ERROR 22007: Incorrect datetime value: ''
DROP TABLE t1;
SET SQL_MODE=DEFAULT;
#
# Bug#56862 Moved to innodb_16k.test
# 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 @optimizer_switch_saved=@@optimizer_switch;
SET SESSION optimizer_switch='derived_merge=off';
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 <derived2> ALL NULL NULL NULL NULL 1537
2 DERIVED t1 index_merge PRIMARY,idx idx,PRIMARY 5,4 NULL 1537 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 @@optimizer_switch=@optimizer_switch_saved;
SET SESSION sort_buffer_size = DEFAULT;
DROP TABLE t1;
#
# Test for bug #39932 "create table fails if column for FK is in different
# case than in corr index".