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ON WINDOWS
Before this fix, two performance schema unit tests crashed on windows.
The problem was a missing initialization to PFS_atomics,
which caused the crash only for platform not compiled with native atomics.
This fix adds the missing initialization in the unit tests.
No production code was changed, this is a unit test bug only.
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MAP 'REPAIR TABLE' TO RECREATE +ANALYZE FOR ENGINES NOT
SUPPORTING NATIVE REPAIR
Executing 'mysqlcheck --check-upgrade --auto-repair ...' will first issue
'CHECK TABLE FOR UPGRADE' for all tables in the database in order to check if the
tables are compatible with the current version of MySQL. Any tables that are
found incompatible are then upgraded using 'REPAIR TABLE'.
The problem was that some engines (e.g. InnoDB) do not support 'REPAIR TABLE'.
This caused any such tables to be left incompatible. As a result such tables were
not properly fixed by the mysql_upgrade tool.
This patch fixes the problem by first changing 'CHECK TABLE FOR UPGRADE' to return
a different error message if the engine does not support REPAIR. Instead of
"Table upgrade required. Please do "REPAIR TABLE ..." it will report
"Table rebuild required. Please do "ALTER TABLE ... FORCE ..."
Second, the patch changes mysqlcheck to do 'ALTER TABLE ... FORCE' instead of
'REPAIR TABLE' in these cases.
This patch also fixes 'ALTER TABLE ... FORCE' to actually rebuild the table.
This change should be reflected in the documentation. Before this patch,
'ALTER TABLE ... FORCE' was unused (See Bug#11746162)
Test case added to mysqlcheck.test
client/mysqlcheck.c:
Changed mysqlcheck to do 'ALTER TABLE ... FORCE' if
'CHECK TABLE FOR UPGRADE' reports ER_TABLE_NEEDS_REBUILD
and not ER_TABLE_NEEDS_UPGRADE.
mysql-test/r/mysqlcheck.result:
Added regression test.
mysql-test/std_data/bug47205.frm:
InnoDB 5.0 FRM which contains a varchar primary key using
utf8_general_ci. This is an incompatible FRM for 5.5.
mysql-test/t/mysqlcheck.test:
Added regression test.
sql/handler.h:
Added new HA_CAN_REPAIR flag.
sql/share/errmsg-utf8.txt:
Added new error message ER_TABLE_NEEDS_REBUILD
sql/sql_admin.cc:
Changed 'CHECK TABLE FOR UPDATE' to give ER_TABLE_NEEDS_REBUILD
instead of ER_TABLE_NEEDS_UPGRADE if the engine does not support
REPAIR (as indicated by the new HA_CAN_REPAIR flag).
sql/sql_lex.h:
Remove unused ALTER_FORCE flag.
sql/sql_yacc.yy:
Make sure ALTER TABLE ... FORCE recreates the table
by setting the ALTER_RECREATE flag as the ALTER_FORCE
flag was unused.
storage/archive/ha_archive.h:
Added new HA_CAN_REPAIR flag to Archive
storage/csv/ha_tina.h:
Added new HA_CAN_REPAIR flag to CSV
storage/federated/ha_federated.h:
Added new HA_CAN_REPAIR flag to Federated
storage/myisam/ha_myisam.cc:
Added new HA_CAN_REPAIR flag to MyISAM
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NON-PRIMARY UNIQUE INDEX USING INNODB
This patch adds the HA_INPLACE_ADD_UNIQUE_INDEX_NO_WRITE
capability flag to InnoDB, indicating that concurrent reads
can be allowed while non-primary unique indexes are created.
This is an follow-up to Bug #11751388 which enabled concurrent
reads when creating non-primary non-unique indexes.
Test case added to innodb_mysql_sync.test.
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the trunk.
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in 5.5 and trunk. First we remove the file in the commit.
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Bug #11766501: Multiple RBS break the get rseg with mininum trx_t::no code during purge
Bug# 59291 changes:
Main problem is that truncating the UNDO log at the completion of every
trx_purge() call is expensive as the number of rollback segments is increased.
We truncate after a configurable amount of pages. The innodb_purge_batch_size
parameter is used to control when InnoDB does the actual truncate. The truncate
is done once after 128 (or TRX_SYS_N_RSEGS iterations). In other words we
truncate after purge 128 * innodb_purge_batch_size. The smaller the batch
size the quicker we truncate.
Introduce a new parameter that allows how many rollback segments to use for
storing REDO information. This is really step 1 in allowing complete control
to the user over rollback space management.
New parameters:
i) innodb_rollback_segments = number of rollback_segments to use
(default is now 128) dynamic parameter, can be changed anytime.
Currently there is little benefit in changing it from the default.
Optimisations in the patch.
i. Change the O(n) behaviour of trx_rseg_get_on_id() to O(log n)
Backported from 5.6. Refactor some of the binary heap code.
Create a new include/ut0bh.ic file.
ii. Avoid truncating the rollback segments after every purge.
Related changes that were moved to a separate patch:
i. Purge should not do any flushing, only wait for space to be free so that
it only does purging of records unless it is held up by a long running
transaction that is preventing it from progressing.
ii. Give the purge thread preference over transactions when acquiring the
rseg->mutex during commit. This to avoid purge blocking unnecessarily
when getting the next rollback segment to purge.
Bug #11766501 changes:
Add the rseg to the min binary heap under the cover of the kernel mutex and
the binary heap mutex. This ensures the ordering of the min binary heap.
The two changes have to be committed together because they share the same
that fixes both issues.
rb://567 Approved by: Inaam Rana.
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rw_lock_set_writer_id_and_recursion_flag()
rw_lock_create_func(): Initialize lock->writer_thread, so that Valgrind
will not complain even when Valgrind instrumentation is not enabled.
Flag lock->writer_thread uninitialized, so that Valgrind can complain
when it is used uninitialized.
rw_lock_set_writer_id_and_recursion_flag(): Revert the bogus Valgrind
instrumentation that was pushed in the first attempt to fix this bug.
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index gives failures.
Approved by Marko
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rw_lock_set_writer_id_and_recursion_flag()
by silencing a bogus Valgrind warning:
==4392== Conditional jump or move depends on uninitialised value(s)
==4392== at 0x5A18416: rw_lock_set_writer_id_and_recursion_flag (sync0rw.ic:283)
==4392== by 0x5A1865C: rw_lock_x_lock_low (sync0rw.c:558)
==4392== by 0x5A18481: rw_lock_x_lock_func (sync0rw.c:617)
==4392== by 0x597EEE6: mtr_x_lock_func (mtr0mtr.ic:271)
==4392== by 0x597EBBD: fsp_header_init (fsp0fsp.c:970)
==4392== by 0x5A15E78: innobase_start_or_create_for_mysql (srv0start.c:1508)
==4392== by 0x598B789: innobase_init(void*) (ha_innodb.cc:2282)
os_compare_and_swap_thread_id() is defined as
__sync_bool_compare_and_swap(). From the GCC doc:
`bool __sync_bool_compare_and_swap (TYPE *ptr, TYPE oldval TYPE newval, ...)'
...
The "bool" version returns true if the comparison is successful and
NEWVAL was written.
So it is not possible that the return value is uninitialized, no matter what
the arguments to os_compare_and_swap_thread_id() are. Probably Valgrind gets
confused by the implementation of the GCC internal function
__sync_bool_compare_and_swap().
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InnoDB Plugin 1.0.15 has been released with MySQL 5.1.55.
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InnoDB 1.1.5 was released with MySQL 5.5.9
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This was already pushed to mysql-5.1-innodb some time ago
(revision id jimmy.yang@oracle.com-20100907054137-tpuior7hez4f5ghl)
but it was not merged to the 5.5 trees.
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to be FIL_NULL
rb://545 approved by Sunny Bains
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This option is known to be broken when tablespaces contain off-page
columns after crash recovery. It has only been tested when creating
the data files from the scratch.
btr_blob_dbg_t: A map from page_no:heap_no:field_no to first_blob_page_no.
This map is instantiated for every clustered index in index->blobs.
It is protected by index->blobs_mutex.
btr_blob_dbg_msg_issue(): Issue a diagnostic message.
Invoked when btr_blob_dbg_msg is set.
btr_blob_dbg_rbt_insert(): Insert a btr_blob_dbg_t into index->blobs.
btr_blob_dbg_rbt_delete(): Remove a btr_blob_dbg_t from index->blobs.
btr_blob_dbg_cmp(): Comparator for btr_blob_dbg_t.
btr_blob_dbg_add_blob(): Add a BLOB reference to the map.
btr_blob_dbg_add_rec(): Add all BLOB references from a record to the map.
btr_blob_dbg_print(): Display the map of BLOB references in an index.
btr_blob_dbg_remove_rec(): Remove all BLOB references of a record from
the map.
btr_blob_dbg_is_empty(): Check that no BLOB references exist to or
from a page. Disowned references from delete-marked records are
tolerated.
btr_blob_dbg_op(): Perform an operation on all BLOB references on a
B-tree page.
btr_blob_dbg_add(): Add all BLOB references from a B-tree page to the
map.
btr_blob_dbg_remove(): Remove all BLOB references from a B-tree page
from the map.
btr_blob_dbg_restore(): Restore the BLOB references after a failed
page reorganize.
btr_blob_dbg_set_deleted_flag(): Modify the 'deleted' flag in the BLOB
references of a record.
btr_blob_dbg_owner(): Own or disown a BLOB reference.
btr_page_create(), btr_page_free_low(): Assert that no BLOB references exist.
btr_create(): Create index->blobs for clustered indexes.
btr_page_reorganize_low(): Invoke btr_blob_dbg_remove() before copying
the records. Invoke btr_blob_dbg_restore() if the operation fails.
btr_page_empty(), btr_lift_page_up(), btr_compress(), btr_discard_page():
Invoke btr_blob_dbg_remove().
btr_cur_del_mark_set_clust_rec(): Invoke btr_blob_dbg_set_deleted_flag().
Other cases of modifying the delete mark are either in the secondary
index or during crash recovery, which we do not promise to support.
btr_cur_set_ownership_of_extern_field(): Invoke btr_blob_dbg_owner().
btr_store_big_rec_extern_fields(): Invoke btr_blob_dbg_add_blob().
btr_free_externally_stored_field(): Invoke btr_blob_dbg_assert_empty()
on the first BLOB page.
page_cur_insert_rec_low(), page_cur_insert_rec_zip(),
page_copy_rec_list_end_to_created_page(): Invoke btr_blob_dbg_add_rec().
page_cur_insert_rec_zip_reorg(), page_copy_rec_list_end(),
page_copy_rec_list_start(): After failure, invoke
btr_blob_dbg_remove() and btr_blob_dbg_add().
page_cur_delete_rec(): Invoke btr_blob_dbg_remove_rec().
page_delete_rec_list_end(): Invoke btr_blob_dbg_op(btr_blob_dbg_remove_rec).
page_zip_reorganize(): Invoke btr_blob_dbg_remove() before copying the records.
page_zip_copy_recs(): Invoke btr_blob_dbg_add().
row_upd_rec_in_place(): Invoke btr_blob_dbg_rbt_delete() and
btr_blob_dbg_rbt_insert().
innobase_start_or_create_for_mysql(): Warn when UNIV_BLOB_DEBUG is enabled.
rb://550 approved by Jimmy Yang
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create spatial index on char > 31 bytes". Did after-merge
fixes.
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attempt to create spatial index on char > 31 bytes".
Attempt to create spatial index on char field with length
greater than 31 byte led to assertion failure on server
compiled with safemutex support.
The problem occurred in mi_create() function which was called
to create a new version of table being altered. This function
failed since it detected an attempt to create a spatial key
on non-binary column and tried to return an error.
On its error path it tried to unlock THR_LOCK_myisam mutex
which has not been not locked at this point. Indeed such an
incorrect behavior was caught by safemutex wrapper and caused
assertion failure.
This patch fixes the problem by ensuring that mi_create()
doesn't releases THR_LOCK_myisam mutex on error path if it was
not acquired.
mysql-test/r/gis.result:
Added test for bug @59888 "debug assertion when attempt to
create spatial index on char > 31 bytes".
mysql-test/t/gis.test:
Added test for bug @59888 "debug assertion when attempt to
create spatial index on char > 31 bytes".
storage/myisam/mi_create.c:
Changed mi_create() not to release THR_LOCK_myisam mutex on
error path if it was not acquired.
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rb://566
approved by: Sunny
When using native aio on linux each IO helper thread should be able to
handle upto 256 IO requests. The number 256 is the same which is used
for simulated aio as well. In case of windows where we also use native
aio this limit is 32 because of OS constraints. It seems that we are
using the limit of 32 for all the platforms where we are using native
aio. The fix is to use 256 on all platforms except windows (when native
aio is enabled on windows)
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The bug would cause a crash of InnoDB if a non-standard or unknown table
flags existed in a SYS_TABLES record. This is important because the next
file version, Cheetah, will identify itself by expanding this field. So
unless this is fixed, an older engine that tries to open a table in a
tablespace with a newer file version will crash instead of report an error
and refuse to open the table, as it should do.
Reviewed at RB://583. Approved by Marko.
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btr_rec_get_field_ref_offs(), btr_rec_get_field_ref(): New functions.
Get the pointer to an externally stored field.
btr_cur_set_ownership_of_extern_field(): Assert that the BLOB has not
already been disowned.
btr_store_big_rec_extern_fields(): Rename to
btr_store_big_rec_extern_fields_func() and add the debug parameter
update_in_place. All pointers to externally stored columns in the
record must either be zero or they must be pointers to inherited
columns, owned by this record or an earlier record version. For any
BLOB that is stored, the BLOB pointer must previously have been
zero. When the function completes, all BLOB pointers must be nonzero
and owned by the record.
rb://549 approved by Jimmy Yang
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row_purge(): Change the return type to void. (The return value always
was DB_SUCCESS.) Remove some local variables.
row_undo_mod_remove_clust_low(): Remove some local variables.
rb://547 approved by Jimmy Yang
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Antelope files in btr_check_blob_fil_page_type(). Unfortunately, we
must keep the check in production builds, because InnoDB wrote
uninitialized garbage to FIL_PAGE_TYPE until fairly recently (5.1.x).
rb://546 approved by Jimmy Yang
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It was the enabling of UNIV_DEBUG_FILE_ACCESSES that caught Bug #55284
in the first place. This is a very light piece of of debug code, and
there really is no reason why it is not enabled in all debug builds.
rb://551 approved by Jimmy Yang
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This change was originally done in
marko.makela@oracle.com-20101011085943-50pskvsbbsujbukg
but was later lost during the merge process.
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trx rollback or purge
This patch does not relax the failing debug assertion during purge.
That will be revisited once we have managed to repeat the assertion failure.
row_upd_changes_ord_field_binary_func(): Renamed from
row_upd_changes_ord_field_binary(). Add the parameter que_thr_t* in
UNIV_DEBUG builds. When the off-page column cannot be retrieved,
assert that the current transaction is a recovered one and that it is
the one that is currently being rolled back.
row_upd_changes_ord_field_binary(): A wrapper macro for
row_upd_changes_ord_field_binary_func() that discards the que_thr_t*
parameter unless UNIV_DEBUG is defined.
row_purge_upd_exist_or_extern_func(): Renamed from
row_purge_upd_exist_or_extern(). Add the parameter que_thr_t* in
UNIV_DEBUG builds.
row_purge_upd_exist_or_extern(): A wrapper macro for
row_purge_upd_exist_or_extern_func() that discards the que_thr_t*
parameter unless UNIV_DEBUG is defined.
Make trx_roll_crash_recv_trx const. If there were a 'do not
dereference' attribute, it would be appropriate as well.
rb://588 approved by Jimmy Yang
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MAX_FULL_NAME_LEN in InnoDB to address possible insufficient name buffer
Bug #59312 Approved by Sunny Bains
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