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Merge branch '10.1' into 10.2

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Oleksandr Byelkin
2020-08-02 11:05:29 +02:00
parent 5ec40fbb27 09ec8e2e22
commit ef7cb0a0b5
98 changed files with 966 additions and 400 deletions
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24
mysql-test/r/subselect4.result
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@ -2585,6 +2585,30 @@ e 2
o 6
DROP TABLE t1, t2;
#
# MDEV-19232: Floating point precision / value comparison problem
#
CREATE TABLE t1 (region varchar(60), area decimal(10,0), population decimal(11,0));
INSERT INTO t1 VALUES ('Central America and the Caribbean',91,11797);
INSERT INTO t1 VALUES ('Central America and the Caribbean',442,66422);
SET @save_optimizer_switch=@@optimizer_switch;
SET optimizer_switch='subquery_cache=on';
SELECT
population, area, population/area,
cast(population/area as DECIMAL(20,9)) FROM t1 LIMIT 1;
population area population/area cast(population/area as DECIMAL(20,9))
11797 91 129.6374 129.637400000
SELECT * FROM t1 A
WHERE population/area = (SELECT MAX(population/area) from t1 B where A.region = B.region);
region area population
Central America and the Caribbean 442 66422
SET optimizer_switch='subquery_cache=off';
SELECT * FROM t1 A
WHERE population/area = (SELECT MAX(population/area) from t1 B where A.region = B.region);
region area population
Central America and the Caribbean 442 66422
SET @@optimizer_switch= @save_optimizer_switch;
DROP TABLE t1;
#
# MDEV-22852: SIGSEGV in sortlength (optimized builds)
#
SET @save_optimizer_switch=@@optimizer_switch;