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LIBRARIES USED
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TABLESPACE
ha_innobase::records_in_range() should return HA_POS_ERROR for the table during discarded without requesting pages.
The later other handler method should treat the error correctly.
Approved by Sunny in rb#3433
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Description:
------------
There are 2 issues reported in the bug report,
1. One session running a "long" select, then, from the other
session, you kill that first one, while select is
running, and it receives that message "Server shutdown in
progress".
Reported Date: 02-Apr-2006
=> Looks like this isuse is already fixed in 2009 by the patch
pushed for bug28141.
2. Killing query which goes to filesort, logs error entries like:
120416 9:17:28 [ERROR] mysqld: Sort aborted: Server shutdown in
progress
120416 9:18:48 [ERROR] mysqld: Sort aborted: Server shutdown in
progress
120416 9:19:39 [ERROR] mysqld: Sort aborted: Server shutdown in
progress
Reported Date: 16-Apr-2012
=> This issue is introduced in 5.5+ versions. Fixing this issue
in this patch.
Analysis:
---------
In function "filesort()", on error we are logging error message.
To the error message, the message related THD::killed_errno is
also appeneded, if it is set.(THD::kill_errno value is obtained
by calling member function THD::killed_errno)
In the scenario mentioned in this bug report, when we kill the
connection, THD::kill_errno is set to the THD::KILL_CONNECTION.
Enum type THD::KILL_CONNECTION corressponds to value
ER_SERVER_SHUTDOWN. Because of this, "Server shutdown in ...." is
appended to the message logged.
Fix:
----
Modified code of "filesort()" function to append "KILL_QUERY"
status to error message when thread is killed and server
shutdown is not in progress.
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INDEX_READ_MAP HAD NO MATCH
If index_read_map is called for exact search and no matching records
exists it will position the cursor on the next record, but still having the
relative position to BTR_PCUR_ON.
This will make a call for index_next to read yet another next record,
instead of returning the record the cursor points to.
Fixed by setting pcur->rel_pos = BTR_PCUR_BEFORE if an exact
[prefix] search is done, but failed.
Also avoids optimistic restoration if rel_pos != BTR_PCUR_ON,
since btr_cur may be different than old_rec.
rb#3324, approved by Marko and Jimmy
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As this mysql_install_db.pl file has always generated lots of confusion on Windows. This fix will make sure to get it removed only from Windows
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Registry redirection was improper and hence not able to pick the value for the OLDERVERSION property. as a result in the install upgrade dialog null value wa being passed.
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log_buffer_extend() should fill the new buffer with 0.
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Changed to try to extend log buffer instead of crash, when log size is too large for the size.
Approved by Marko in rb#3229
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The testcase for this bug fails randomly due to two reasons.
1. Due to ibuf merge happening background
2. Due to dict stats update which brings the evicted page back into
buffer pool.
Fix ibuf_contract_ext() to not do any merges with ibuf_debug enabled and
also changed dict_stats_update() to return fake statistics without
bringing the secondary index pages into buffer pool.
Approved by Marko. rb#3419
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DURING INNODB RECOVERY
Problem:
=======
The connection 'master' is dropped by mysqltest after
rpl_end.inc. At this point, dropping temporary tables
at the connection 'master' are not synced at slave.
So, the temporary tables replicated from master remain
on slave leading to an inconsistent close of the test.
The following test thus complains about the presence of
temporary table(s) left over from the previous test.
Fix:
===
- Put explicit drop commands in replication tests so
that the temporary tables are dropped at slave as well.
- Added the check for Slave_open_temp_tables in
mtr_check.sql to warn about the remaining temporary
table, if any, at the close of a test.
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RPL_SEMI_SYNC_MASTER_ENABLED OFF.
Problem:
=======
If master is waiting for a reply from slave, at this time
set global rpl_semi_sync_master_enabled=OFF, the master
server will crash.
Analysis:
========
When master is waiting for a reply from slave, at this time
if semi sync is switched off on master, during switch off if
active transactions are present the transactions will be
cleared and "active_tranxs_" variable will be set to NULL.
When the waiting master connection finds that semi sync is
switched of it tries to access "active_tranxs_" without
checking if the transaction list exists or not. Accessing
NULL transaction list causes the crash.
Fix:
===
A check has been added to see a valid list exists before
accessing the "active_tranxs_".
plugin/semisync/semisync_master.cc:
Added check for the existence of valid 'active_transx_'.
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the logic to get the correct count of PID files
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Tested with:
gcc (GCC) 4.8.1 20130603 (Red Hat 4.8.1-1)
clang version 3.1 (tags/RELEASE_31/final)
Target: x86_64-apple-darwin10.8.0
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count of PID files
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Reverting the patch. Because this change is not to me made for GA versions.
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fixed.
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INNOBASE_STRNXFRM
my_strnxfrm_win1250ch could write into dest[destlen]
i.e. write a byte to the past-the-end of dest.
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test change only.
Removed --source include/not_windows_embedded.inc
which was added due to that bug.
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disable testcase due to BUG#17446090
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For queries like
update t1 set ... where <unique key> order by ... limit ...
we need to handle the fact that unique keys allow NULL
values, and hence can return more than one row.
sql/opt_range.cc:
When the unique key has multiple key parts,
check each key_part for nullability, rather than the first key part.
(s/key->part ==/key_tree->part ==/)
Also: revert the if() test, for better readability.
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IT IS DONE IN-PLACE
With change buffer enabled, InnoDB doesn't write a transaction log
record when it merges a record from the insert buffer to an secondary
index page if the insertion is performed as an update-in-place.
Fixed by logging the 'update-in-place' operation on secondary index
pages.
Approved by Marko. rb#2429
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WITH MY_B_VPRINTF()
[Merge from 5.1]
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WITH MY_B_VPRINTF()
Issue : In LP 64 machine max long value can be 20 digit
decimal value. But in my_b_vprintf() the intermediate
buffer storage used is 17 bytes length. This will lead to
buffer overflow.
Solution : Increased the buffer storage from 17 to 32 bytes.
code is backported from 5.6
mysys/mf_iocache2.c:
In function my_b_vprintf increased the size of local buff from 17 to
32 bytes.
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Postfix, suppress the new warning generated by the bug's fix.
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