| Commit message (Collapse) | Author | Age | Files | Lines |
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instead of "used storage engine" and similar changes.
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* print "table doesn't exist in engine" when a table doesn't exist in the engine,
instead of "file not found" (if no file was involved)
* print a complete filename that cannot be found ('t1.MYI', not 't1')
* it's not an error for a DROP if a table doesn't exist in the engine (or some table
files cannot be found) - if the DROP succeeded regardless
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HANG
Problem Statement:
When the operation RENAME TABLE is about rename the tablespace of the
table, it will stop all i/o operations on the tablespace temporarily.
For this the fil_space_t::stop_ios member is used.
Once the fil_space_t::stop_ios member is set to TRUE in the RENAME
TABLE operation, it is expected that no new i/o operation will be done
on the tablespace and all pending i/o operation can be completed on
the tablespace.
If the pending i/o operations initiate any new i/o operations then
there will be deadlock. The RENAME TABLE operation will be waiting
for pending i/o on the tablespace to be completed, and the pending i/o
operations will be waiting on the RENAME TABLE operation to set the
file_space_t::stop_ios flag to be set to FALSE.
But in the given scenario the pending i/o operations did not initiate
new i/o. But they where still unnecessarily checking the
fil_space_t::stop_ios flag. This resulted in deadlock.
Solution:
I noticed that this deadlock happens in fil_space_get_size() and
fil_space_get_zip_size() in the i/o threads. These functions check
the stop_ios flag even when no i/o will be initiated. I modified
these functions to ensure that they check the stop_ios flag only when
they will be initiating an i/o operation. This solves the problem.
rb://1635 (mysql-5.5)
rb://1660 (mysql-trunk) approved by Inaam, Jimmy, and ima.
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DTUPLE_CREATE_FROM_MEM()
Align to word-size the memory occupied by tuple_buf[] memory chunk.
I confirm that this change fixes the SIGBUS on Solaris.
Approved by: Marko (via IM)
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implementation of innobase_mysql_tmpfile() from MySQL 5.5 onwards.
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#include "read0read.h"
for srv0srv.c and trx0rec.c.
This is only for mysql-5.5
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DURING A DELETE OPERATION
The converted implicit lock should wait for the prior conflicting lock if found.
rb://1437 approved by Marko
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DURING A DELETE OPERATION
The converted implicit lock should wait for the prior conflicting lock if found.
rb://1437 approved by Marko
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!BPAGE->FILE_PAGE_WAS_FREED ASSERTION
trx_undo_prev_version_build() should confirm existence of inherited (not-own) external pages.
Bug #14676084 : ROW_UNDO_MOD_UPD_DEL_SEC() DOESN'T NEED UNDO_ROW AND UNDO_EXT INITIALIZED
mtr script could hit the assertion error !bpage->file_page_was_freed using this path.
So, also fixed
rb://1337 approved by Marko Makela.
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rb://1411 approved by Marko
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from MySQL 5.6 into MySQL 5.5
Will close Bug#14515889 BACKPORT OF INNODB DEADLOCK LOGGING TO 5.5
The original implementation is in
vasil.dimov@oracle.com-20101213120811-k2ldtnao2t6zrxfn
Approved by: Jimmy (rb:1535)
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BTR_LIFT_PAGE_UP()
btr_lift_page_up() writes wrong page number (different by -1) for upper than father page.
But in almost all of the cases, the father page should be root page, no upper
pages. It is very rare path.
In addition the leaf page should not be lifted unless the father page is root.
Because the branch pages should not become the leaf pages.
rb://1336 approved by Marko Makela.
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BTR_LIFT_PAGE_UP()
btr_lift_page_up() writes wrong page number (different by -1) for upper than father page.
But in almost all of the cases, the father page should be root page, no upper
pages. It is very rare path.
In addition the leaf page should not be lifted unless the father page is root.
Because the branch pages should not become the leaf pages.
rb://1336 approved by Marko Makela.
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MDEV-11 - Modifed tests and result files to use explicit column lists
in INSERT and SELECT statements
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rb://1334
approved by: Inaam Rana
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SECONDARY INDEX UPDATES MAKE CONSISTENT READS DO O(N^2) UNDO PAGE
LOOKUPS (honoring kill query while accessing sec_index)
If secondary index is being used for select query evaluation and this
query is operating with consistent read snapshot it might take good time for
secondary index to return back control to mysql as MVCC would kick in.
If user issues "kill query <id>" while query is actively accessing
secondary index it will not be honored as there is no hook to check
for this condition. Added hook for this check.
-----
Parallely secondary index taking too long to evaluate for consistent
read snapshot case is being examined for performance improvement. WL#6540.
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CONSISTENT SNAPSHOT OPTION
A transaction is started with a consistent snapshot. After
the transaction is started new indexes are added to the
table. Now when we issue an update statement, the optimizer
chooses an index. When the index scan is being initialized
via ha_innobase::change_active_index(), InnoDB reports
the error code HA_ERR_TABLE_DEF_CHANGED, with message
stating that "insufficient history for index".
This error message is propagated up to the SQL layer. But
the my_error() api is never called. The statement level
diagnostics area is not updated with the correct error
status (it remains in Diagnostics_area::DA_EMPTY).
Hence the following check in the Protocol::end_statement()
fails.
516 case Diagnostics_area::DA_EMPTY:
517 default:
518 DBUG_ASSERT(0);
519 error= send_ok(thd->server_status, 0, 0, 0, NULL);
520 break;
The fix is to backport the fix of bugs 14365043, 11761652
and 11746399.
14365043 PROTOCOL::END_STATEMENT(): ASSERTION `0' FAILED
11761652 HA_RND_INIT() RESULT CODE NOT CHECKED
11746399 RETURN VALUES OF HA_INDEX_INIT() AND INDEX_INIT() IGNORED
rb://1227 approved by guilhem and mattiasj.
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Also, add debug check for trx_id sanity to row_upd_rec_sys_fields().
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rb://1293
approved by: Marko Makela
There is race when dropping a single table tablespace where a reader
thread can initiate a read request before the delete flag is set and
before it is finished the deleting thread can attempt to free the
fil_node.
This patch checks the status in fil_io() to make sure that the
tablespace is not being deleted. If it is being deleted then
an error is returned instead of attempting IO.
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