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c1615df32c
There are two threads. In one thread, dml operation is going on
involving cascaded update operation. In another thread, alter
table add foreign key constraint is happening. Under these
circumstances, it is possible for the dml thread to access a
dict_foreign_t object that has been freed by the ddl thread.
The debug sync test case provides the sequence of operations.
Without fix, the test case will crash the server (because of
newly added assert). With fix, the alter table stmt will return
an error message.
rb:947
approved by Jimmy Yang
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| engines | ||
| federated | ||
| funcs_1 | ||
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| innodb | ||
| jp | ||
| large_tests | ||
| manual | ||
| parts | ||
| perfschema | ||
| perfschema_stress | ||
| rpl | ||
| stress | ||
| sys_vars | ||