Bugs fixed:
Two simultaneous SELECT ... FOR UPDATE
statements with READ-COMMITTED isolation
level would result in the wrong error message being returned.
(Bug#26871)
When updating a table with a unique key constraint the constraint would not be enforced. (Bug#26802)
Executing DROP TABLE on a table that has
been created using CREATE TABLE ... SELECT.
(Bug#25564)
Retrieving rows from a table that used an index would sometimes fail to return the row. (Bug#26452)
Random updates of LONG VARCHAR columns
would fail. (Bug#23818)
