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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.
Backporting the fix from MySQL 5.5 to 5.1
rb:961
rb:947
96 lines
3.6 KiB
C
96 lines
3.6 KiB
C
/******************************************************
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Global error codes for the database
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(c) 1996 Innobase Oy
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Created 5/24/1996 Heikki Tuuri
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*******************************************************/
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#ifndef db0err_h
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#define db0err_h
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#define DB_SUCCESS_LOCKED_REC 9 /* like DB_SUCCESS, but a new
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explicit record lock was created */
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#define DB_SUCCESS 10
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/* The following are error codes */
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#define DB_ERROR 11
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#define DB_OUT_OF_MEMORY 12
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#define DB_OUT_OF_FILE_SPACE 13
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#define DB_LOCK_WAIT 14
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#define DB_DEADLOCK 15
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#define DB_ROLLBACK 16
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#define DB_DUPLICATE_KEY 17
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#define DB_QUE_THR_SUSPENDED 18
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#define DB_MISSING_HISTORY 19 /* required history data has been
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deleted due to lack of space in
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rollback segment */
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#define DB_CLUSTER_NOT_FOUND 30
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#define DB_TABLE_NOT_FOUND 31
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#define DB_MUST_GET_MORE_FILE_SPACE 32 /* the database has to be stopped
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and restarted with more file space */
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#define DB_TABLE_IS_BEING_USED 33
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#define DB_TOO_BIG_RECORD 34 /* a record in an index would become
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bigger than 1/2 free space in a page
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frame */
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#define DB_LOCK_WAIT_TIMEOUT 35 /* lock wait lasted too long */
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#define DB_NO_REFERENCED_ROW 36 /* referenced key value not found
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for a foreign key in an insert or
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update of a row */
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#define DB_ROW_IS_REFERENCED 37 /* cannot delete or update a row
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because it contains a key value
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which is referenced */
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#define DB_CANNOT_ADD_CONSTRAINT 38 /* adding a foreign key constraint
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to a table failed */
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#define DB_CORRUPTION 39 /* data structure corruption noticed */
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#define DB_COL_APPEARS_TWICE_IN_INDEX 40/* InnoDB cannot handle an index
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where same column appears twice */
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#define DB_CANNOT_DROP_CONSTRAINT 41 /* dropping a foreign key constraint
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from a table failed */
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#define DB_NO_SAVEPOINT 42 /* no savepoint exists with the given
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name */
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#define DB_TABLESPACE_ALREADY_EXISTS 43 /* we cannot create a new single-table
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tablespace because a file of the same
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name already exists */
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#define DB_TABLESPACE_DELETED 44 /* tablespace does not exist or is
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being dropped right now */
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#define DB_LOCK_TABLE_FULL 45 /* lock structs have exhausted the
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buffer pool (for big transactions,
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InnoDB stores the lock structs in the
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buffer pool) */
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#define DB_FOREIGN_DUPLICATE_KEY 46 /* foreign key constraints
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activated by the operation would
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lead to a duplicate key in some
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table */
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#define DB_TOO_MANY_CONCURRENT_TRXS 47 /* when InnoDB runs out of the
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preconfigured undo slots, this can
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only happen when there are too many
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concurrent transactions */
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#define DB_UNSUPPORTED 48 /* when InnoDB sees any artefact or
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a feature that it can't recoginize or
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work with e.g., FT indexes created by
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a later version of the engine. */
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#define DB_INTERRUPTED 49 /* the query has been interrupted with
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"KILL QUERY N;" */
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#define DB_FOREIGN_EXCEED_MAX_CASCADE 50/* Foreign key constraint related
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cascading delete/update exceeds
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maximum allowed depth */
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#define DB_FOREIGN_NO_INDEX 51 /* the child (foreign) table does not
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have an index that contains the
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foreign keys as its prefix columns */
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#define DB_REFERENCING_NO_INDEX 52 /* the parent (referencing) table does
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not have an index that contains the
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foreign keys as its prefix columns */
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#define DB_TABLE_IN_FK_CHECK 53 /* table is being used in foreign
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key check */
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/* The following are partial failure codes */
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#define DB_FAIL 1000
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#define DB_OVERFLOW 1001
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#define DB_UNDERFLOW 1002
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#define DB_STRONG_FAIL 1003
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#define DB_RECORD_NOT_FOUND 1500
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#define DB_END_OF_INDEX 1501
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#endif
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