1 files changed, 201 insertions, 0 deletions
diff --git a/mysql-test/main/partition_innodb_semi_consistent.test b/mysql-test/main/partition_innodb_semi_consistent.test
new file mode 100644
index 00000000000..7a1dfc36173
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+++ b/mysql-test/main/partition_innodb_semi_consistent.test
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+-- source include/have_partition.inc
+-- source include/not_embedded.inc
+-- source include/have_innodb.inc
+
+--disable_warnings
+drop table if exists t1;
+--enable_warnings
+
+# basic tests of semi-consistent reads
+# for verifying Bug#40595: Non-matching rows not released with READ-COMMITTED
+#               on tables with partitions
+
+connect (a,localhost,root,,);
+connect (b,localhost,root,,);
+connection a;
+set binlog_format=mixed;
+set session transaction isolation level repeatable read;
+create table t1(a int not null)
+engine=innodb
+DEFAULT CHARSET=latin1
+PARTITION BY RANGE(a)
+(PARTITION p0 VALUES LESS THAN (20),
+ PARTITION p1 VALUES LESS THAN MAXVALUE);
+insert into t1 values (1),(2),(3),(4),(5),(6),(7);
+set autocommit=0;
+# this should lock the entire table
+select * from t1 where a=3 lock in share mode;
+connection b;
+set binlog_format=mixed;
+set session transaction isolation level repeatable read;
+set autocommit=0;
+-- error ER_LOCK_WAIT_TIMEOUT
+update t1 set a=10 where a=5;
+commit;
+connection a;
+#DELETE FROM t1 WHERE a=5;
+commit;
+connection b;
+# perform a semi-consisent read (and unlock non-matching rows)
+set session transaction isolation level read committed;
+update t1 set a=10 where a=5;
+connection a;
+-- error ER_LOCK_WAIT_TIMEOUT
+select * from t1 where a=2 for update;
+# this should lock the records (1),(2)
+select * from t1 where a=2 limit 1 for update;
+connection b;
+# semi-consistent read will skip non-matching locked rows a=1, a=2
+update t1 set a=11 where a=6;
+-- error ER_LOCK_WAIT_TIMEOUT
+update t1 set a=12 where a=2;
+-- error ER_LOCK_WAIT_TIMEOUT
+update t1 set a=13 where a=1;
+connection a;
+commit;
+connection b;
+update t1 set a=14 where a=1;
+commit;
+connection a;
+--sorted_result
+select * from t1;
+drop table t1;
+
+connection default;
+disconnect a;
+disconnect b;
+
+#
+# Bug #31310: Locked rows silently skipped in read-committed isolation level.
+# (This also tests the '*_semi_consistent*' functions in partitioning)
+# Copied from include/mix1.inc
+
+connect (con1,localhost,root,,);
+connect (con2,localhost,root,,);
+SET SESSION AUTOCOMMIT = 0;
+SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED;
+set binlog_format=mixed;
+connection con1;
+
+eval
+CREATE TABLE t1 (a INT PRIMARY KEY, b VARCHAR(256))
+ENGINE = InnoDB
+PARTITION BY RANGE (a)
+(PARTITION p0 VALUES LESS THAN (300),
+ PARTITION p1 VALUES LESS THAN MAXVALUE);
+INSERT INTO t1 VALUES (1,2);
+
+--echo # 1. test for locking:
+
+BEGIN;
+--enable_info
+UPDATE t1 SET b = 12 WHERE a = 1;
+--disable_info
+SELECT * FROM t1;
+
+connection con2;
+
+--enable_info
+--disable_abort_on_error
+--error ER_LOCK_WAIT_TIMEOUT
+UPDATE t1 SET b = 21 WHERE a = 1;
+--disable_info
+ROLLBACK;
+
+connection con1;
+SELECT * FROM t1;
+ROLLBACK;
+
+--echo # 2. test for serialized update:
+
+CREATE TABLE t2 (a INT);
+
+TRUNCATE t1;
+INSERT INTO t1 VALUES (1,'init');
+
+DELIMITER |;
+CREATE PROCEDURE p1()
+BEGIN
+  # retry the UPDATE in case it times out the lock before con1 has time
+  # to COMMIT.
+  DECLARE do_retry INT DEFAULT 0;
+  DECLARE CONTINUE HANDLER FOR SQLEXCEPTION SET do_retry = 1;
+  retry_loop:LOOP
+    UPDATE t1 SET b = CONCAT(b, '+con2')  WHERE a = 1;
+    IF do_retry = 0 THEN
+      LEAVE retry_loop;
+    END IF;
+    SET do_retry = 0;
+  END LOOP;
+  INSERT INTO t2 VALUES ();
+END|
+DELIMITER ;|
+
+BEGIN;
+--enable_info
+UPDATE t1 SET b = CONCAT(b, '+con1') WHERE a = 1;
+--disable_info
+SELECT * FROM t1;
+
+connection con2;
+
+--send CALL p1;
+
+connection con1;
+SELECT * FROM t1;
+COMMIT;
+
+let $bug31310 = 1;
+while ($bug31310)
+{
+  let $bug31310= `SELECT 1 - COUNT(*) FROM t2`;
+}
+
+SELECT * FROM t1;
+
+connection con2;
+--reap
+SELECT * FROM t1;
+COMMIT;
+
+connection con1;
+
+--echo # 3. test for updated key column:
+
+TRUNCATE t1;
+DELETE FROM t2;
+
+INSERT INTO t1 VALUES (1,'init');
+
+BEGIN;
+--enable_info
+UPDATE t1 SET a = 2, b = CONCAT(b, '+con1') WHERE a = 1;
+--disable_info
+SELECT * FROM t1;
+
+connection con2;
+
+--send CALL p1;
+
+connection con1;
+SELECT * FROM t1;
+COMMIT;
+
+let $bug31310 = 1;
+while ($bug31310)
+{
+  let $bug31310= `SELECT 1 - COUNT(*) FROM t2`;
+}
+
+SELECT * FROM t1;
+
+connection con2;
+reap;
+SELECT * FROM t1;
+
+connection default;
+disconnect con1;
+disconnect con2;
+DROP PROCEDURE p1;
+DROP TABLE t1, t2;
+