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Merge 10.3 into 10.4

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This commit is contained in:
Marko Mäkelä
2020-06-13 19:01:28 +03:00
parent f9e53a659c d83a443250
commit 805340936a
42 changed files with 479 additions and 183 deletions
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26
mysql-test/main/index_merge_innodb.result
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@ -810,4 +810,30 @@ sum(col1)
33632261
drop table t1;
set optimizer_switch=@tmp_optimizer_switch;
#
# MDEV-22728: SIGFPE in Unique::get_cost_calc_buff_size from prepare_search_best_index_intersect
# on optimized builds
#
SET @save_sort_buffer_size=@@sort_buffer_size;
SET @save_innodb_file_format= @@innodb_file_format;
SET @save_innodb_large_prefix= @@innodb_large_prefix;
SET sort_buffer_size=2048;
CREATE TABLE t1 (
a VARCHAR(1024) CHARACTER SET UTF8 PRIMARY KEY,
b INT,
c INT,
INDEX (b)
) ENGINE=InnoDB CHARSET utf8 ROW_FORMAT= DYNAMIC;
INSERT INTO t1 SELECT seq, seq, seq from seq_1_to_100;
EXPLAIN SELECT * FROM t1 WHERE a='1' OR b < 5;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 index_merge PRIMARY,b b,PRIMARY 5,3074 NULL 5 Using sort_union(b,PRIMARY); Using where
SELECT * FROM t1 WHERE a='1' OR b < 5;
a b c
2 2 2
3 3 3
4 4 4
1 1 1
DROP TABLE t1;
SET sort_buffer_size= @save_sort_buffer_size;
disconnect disable_purge;