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mirror of https://github.com/MariaDB/server.git synced 2025-08-08 11:22:35 +03:00

Merge branch '10.10' into 10.11

This commit is contained in:
Oleksandr Byelkin
2022-11-03 11:52:13 +01:00
89 changed files with 4225 additions and 1064 deletions

View File

@@ -446,6 +446,55 @@ SELECT * FROM (SELECT * FROM federated.t1 LIMIT 70000) dt;
SELECT COUNT(DISTINCT a) FROM federated.t2;
COUNT(DISTINCT a)
70000
#
# MDEV-29640 FederatedX does not properly handle pushdown
# in case of difference in local and remote table names
#
connection master;
# Use tables from the previous test. Make sure pushdown works:
EXPLAIN SELECT COUNT(DISTINCT a) FROM federated.t2;
id select_type table type possible_keys key key_len ref rows Extra
1 PUSHED SELECT NULL NULL NULL NULL NULL NULL NULL NULL
SELECT COUNT(DISTINCT a) FROM federated.t2;
COUNT(DISTINCT a)
70000
# Link remote table `federated.t1` with the local table named `t1_local`
CREATE TABLE federated.t1_local ENGINE="FEDERATED"
CONNECTION='mysql://root@127.0.0.1:SLAVE_PORT/federated/t1';
# No pushdown here due to table names mismatch, retrieve data as usual:
EXPLAIN SELECT COUNT(DISTINCT a) FROM federated.t1_local;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1_local ALL NULL NULL NULL NULL 70000
SELECT COUNT(DISTINCT a) FROM federated.t1_local;
COUNT(DISTINCT a)
70000
#
# MDEV-29863 Server crashes in federatedx_txn::acquire after select from
# the Federated table with partitions and federated_pushdown=1
# in case of difference in local and remote table names
#
connection slave;
CREATE TABLE federated.t3 (a INT);
INSERT INTO federated.t3 VALUES (1),(2),(3);
CREATE TABLE federated.t4 (a INT);
connection master;
CREATE SERVER fedlink FOREIGN DATA WRAPPER mysql
OPTIONS (USER 'root', HOST '127.0.0.1', DATABASE 'federated',
PORT SLAVE_PORT);
CREATE TABLE federated.t3 (a INT)
ENGINE=FEDERATED
CONNECTION='mysql://root@127.0.0.1:$SLAVE_MYPORT/federated/t3'
PARTITION BY list (a)
(PARTITION p1 VALUES IN (1) CONNECTION='fedlink/t3',
PARTITION p2 VALUES IN (2) CONNECTION='fedlink/t4');
EXPLAIN SELECT * FROM federated.t3;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t3 ALL NULL NULL NULL NULL 3
SELECT * FROM federated.t3;
a
1
2
3
set global federated_pushdown=0;
connection master;
DROP TABLE IF EXISTS federated.t1;