Details
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Bug
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Status: Closed (View Workflow)
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Major
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Resolution: Fixed
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10.2, 10.3
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None
Description
Fixes to InnoDB native partitioning (not present in MariaDB)
These affect ha_innopart (InnoDB native partitioning) only. MariaDB 10.2 uses the partitioning engine for all storage engines, and ha_innopart has been removed.
commit 3f4b658db7ad6165b7d6413312e2da8e5d1ff432
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Merge: e361855f6ff 97c4cd56f26
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Author: Nisha Gopalakrishnan <nisha.gopalakrishnan@oracle.com>
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Date: Wed Aug 23 13:04:52 2017 +0530
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Merge branch 'mysql-5.6' into mysql-5.7
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commit 234a56e4fb9407b48b6d74f5076ff6cace7c646e
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Author: Aditya A <aditya.a@oracle.com>
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Date: Tue Jun 13 18:41:54 2017 +0530
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This fixes a memory leak in ha_innopart::records_in_range(). The class does not exist in MariaDB; partitioned InnoDB tables would use ha_innobase::records_in_range().
commit 06ccfade4cf2b1ccd8b934c2a3b08dfebf1e5a5a
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Author: Aditya A <aditya.a@oracle.com>
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Date: Mon Jun 12 23:08:20 2017 +0530
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Another fix to ha_innobase::records_in_range(), related to the use of DISCARD TABLESPACE.
Fixes to partitioning outside InnoDB
commit 9414c7035020a1915db56101aa7929d8b4069d83
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Author: Aditya A <aditya.a@oracle.com>
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Date: Fri Aug 4 18:18:47 2017 +0530
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Bug#25687813 REPLICATION REGRESSION WITH RBR AND PARTITIONED TABLES
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PROBLEM
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-------
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While applying update the slave is trying to initialize all partitions
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before reading from rnd_pos() call. This is done for each row update
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because of which the performance is getting effected.
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FIX
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---
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Initialize only the partition on which rnd_pos() is called.
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(No test case is included.)
This is merging a change from MySQL 5.5. Maybe we should merge this performance fix to MariaDB 5.5 if it is not already present?
commit be901b60ae59c93848c829d1b0b2cb523ab8692e
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Author: Nisha Gopalakrishnan <nisha.gopalakrishnan@oracle.com>
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Date: Wed Aug 16 13:58:25 2017 +0530
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Bug#26390632: CREATE TABLE CAN CAUSE MYSQL TO EXIT.
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Analysis
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========
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CREATE TABLE of InnoDB table with a partition name
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which exceeds the path limit can cause the server
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to exit.
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During the preparation of the partition name,
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there was no check to identify whether the complete
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path name for partition exceeds the max supported
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path length, causing the server to exit during
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subsequent processing.
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Fix
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===
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During the preparation of partition name, check and report
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an error if the partition path name exceeds the maximum path
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name limit.
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This is a 5.5 patch.
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(No test case is included.)
A similar fix is already present in MariaDB 5.5.57, 10.0.32, 10.1.26, 10.2.7, 10.3.1.
Fixes applicable to Oracle encryption only (not present in MariaDB)
commit 84c8b66cb809d5a57fd82865c7c1d28ecb6191da
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Author: Allen Lai <zheng.lai@oracle.com>
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Date: Mon Aug 14 19:17:33 2017 +0800
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Fixed bug#26595476 INCORRECT ERROR HANDLING IN ROW_IMPORT_FOR_MYSQL
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We need to remove all the invalid code in these error handling code.
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Approved by Sunny Bains <sunny.bains@oracle.com>
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RB: 17022
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commit 2626dc593f0707e0d7e5e82ad84bab1b5b9a463c
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Author: Allen Lai <zheng.lai@oracle.com>
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Date: Mon Jun 12 14:39:14 2017 +0800
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Bug#26243264 ALTER TABLE ON ENCRYPTED TABLE CAUSES FRM OUT OF SYNC AND DECRYPTS DATA
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This bug is cased by that we didn't set the encryption attribuite properly in altering table.
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Approved by Jimmy Yang <Jimmy.Yang@oracle.com>
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MariaDB will keep using the encryption code that was introduced in 10.1, much earlier than MySQL 5.7.9.
Follow-up fixes to Bug #23481444 OPTIMISER CALL ROW_SEARCH_MVCC() …
As noted in MDEV-11751, MariaDB rejected these changes that were originally introduced in MySQL 5.6.36, 5.7.18, and MySQL 8.0.1, because the benefit seemed questionable and the the changes looked risky for a GA release. There have been numerous follow-up fixes, including these ones:
commit f5a400f43ee8ceb0c7bab1c6f34e10fafc2a162f
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Merge: 350b58f1764 14e5c10f873
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Author: Thirunarayanan Balathandayuthapani <thirunarayanan.balathandayuth@oracle.com>
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Date: Wed Aug 2 17:15:26 2017 +0530
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Merge branch 'mysql-5.6' into mysql-5.7
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commit 14e5c10f873992d7fe581c10d68dd9b379af02f6
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Author: Thirunarayanan Balathandayuthapani <thirunarayanan.balathandayuth@oracle.com>
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Date: Wed Aug 2 17:14:34 2017 +0530
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commit 350b58f1764ad1f98a72f2ad0b03b41ceb1a285f
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Merge: 5bbf4d4f37a 9a1c47f36f9
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Author: Thirunarayanan Balathandayuthapani <thirunarayanan.balathandayuth@oracle.com>
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Date: Fri Jul 28 15:43:52 2017 +0530
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commit 9a1c47f36f9a2dea3ce49f35ea158f2bbd7591ab
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Author: Thirunarayanan Balathandayuthapani <thirunarayanan.balathandayuth@oracle.com>
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Date: Fri Jul 28 15:41:13 2017 +0530
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There are not only no test cases, but also no commit messages. Could this be a new Oracle policy for security bugs?
Other fixes that do not really apply
commit 48e07ec3935ab229c8ec5aede71ae77ede65a789
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Author: Aakanksha Verma <aakanksha.verma@oracle.com>
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Date: Wed Aug 2 18:12:02 2017 +0530
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There is no commit message, but there is a test case, so this probably cannot be a security bug, unless the test case was published by accident. This is a one-line addition to fts_query_filter_doc_ids(), to reset the field query->n_docs=0:
@@ -3321,6 +3321,7 @@ func_exit:
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if (query->total_size > fts_result_cache_limit) {
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return(DB_FTS_EXCEED_RESULT_CACHE_LIMIT);
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} else {
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+ query->n_docs = 0;
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return(DB_SUCCESS);
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}
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} |
The test case uses the "ngram" fulltext parser plugin and a series of queries like this, with the LIMIT increasing from 1 to 6.
I added a similar test to 10.0.
Apparently the change is attempting to fix a bug in the LIMIT pushdown that was introduced in MySQL 5.7.14 in
Bug#22709692 FTS QUERY EXCEEDS RESULT CACHE LIMIT.
That code was never enabled in MariaDB. I removed the dead code from 10.2.
commit a7388dddaa853db1224eccf0d1df8d83af9e796f
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Merge: 852fcd21c3e 068f8261d4c
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Author: Aakanksha Verma <aakanksha.verma@oracle.com>
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Date: Thu Jul 13 11:25:30 2017 +0530
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Merge branch 'mysql-5.6' into mysql-5.7
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commit 068f8261d4c1e134965383ff974ddf30c0758f51
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Author: Aakanksha Verma <aakanksha.verma@oracle.com>
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Date: Thu Jul 13 11:21:24 2017 +0530
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Bug #24938374 MYSQL CRASHED AFTER LONG WAIT ON DICT OPERATION LOCK
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WHILE SYNCING FTS INDEX
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PROBLEM
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As part of rb#12340, dict_operation_lock was acquired to avoid dropping
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of FTS index/ table while the sync is in progress in the background. Due
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to this change server gets killed on long wait for dict_operation_lock
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while a long sync is in progress.
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SOLUTION
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We remove the dict operation lock that is held by sync (fts) in
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background. We will manage the concurrency of drop index and sync index
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in 2 ways:
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1) If sync is already in progress, Drop index would wait for sync to
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complete.
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2) If alter is already happening and sync is invoked then sync would do
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a check for index/table to be dropped flags are set or not, if it is it
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would skip syncing that index.
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Reviewed by: Jimmy Yang <Jimmy.Yang@oracle.com>
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RB: 15344
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We will get this by a merge from MySQL 5.6.38 to MariaDB 10.0. There is no need to pick this from 5.7.20.
commit 259ee176fe54a99a838203c8bf9b2bb5e8434b0a
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Author: Thirunarayanan Balathandayuthapani <thirunarayanan.balathandayuth@oracle.com>
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Date: Thu Jul 6 18:28:26 2017 +0530
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There is a test case, but no commit message.
It is obvious that srv_buf_dump_event is only created if innodb_read_only=0. But, the proper target is 10.0, not 10.2. Why did not Oracle fix this potentially crashing bug in 5.6?
I pushed a more complete fix and a more efficient test in
MDEV-14086 Setting innodb_buffer_pool_load_now or innodb_buffer_load_abort will crash if innodb_read_only
commit c39ffbd0947b48b05916d0163d2c64e976d49ba0
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Merge: 1e2fc773309 d56147ea0c4
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Author: Nisha Gopalakrishnan <nisha.gopalakrishnan@oracle.com>
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Date: Tue Jun 20 16:16:02 2017 +0530
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Merge branch 'mysql-5.6' into mysql-5.7
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commit d56147ea0c4844102f35b3c033fd4fb1724c1c67
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Author: Nisha Gopalakrishnan <nisha.gopalakrishnan@oracle.com>
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Date: Tue Jun 20 16:12:54 2017 +0530
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This one introduces a test case and quite a few changes to fulltext code outside InnoDB. The test case even discloses the bug number and title:
Bug#21140111: Explain ... match against: Assertion failed: ret ...
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Apparently no fix is strictly needed in MariaDB, because the test case does not crash 10.0, 10.1 or 10.2.
I pushed an adapted and extended version of the test case to 10.0.
In InnoDB, the only change is plugging a potential memory leak and non-debug assertion failure on query->intersection in fts_query_free(). I was unable to repeat any problem, but I pushed a fix to 10.0 just in case.
Changes that we can pick from MySQL 5.7.20 to MariaDB 10.2
commit b7e496f0b23530566211a410a903aedb97c4292c
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Author: Darshan M N <darshan.m.n@oracle.com>
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Date: Thu Jun 1 10:14:05 2017 +0530
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BUG#25479538 ASSERT:SIZE == SPACE->SIZE DURING BUF_READ_AHEAD_RANDOM
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Issue
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=====
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The original issue was that the size of a fil_per_table tablespace was calculated
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incorrectly during truncate in the presence of an fts index. This incorrect calculation
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was fixed as part of BUG#25053705 along with a testcase to reproduce the bug. The
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assert that was added as part of it to reproduce the bug was wrong and resulted in
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this bug.
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Fix
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===
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Although the assert was removed earlier in a seperate commit as it was blocking the
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ntest, this patch replaces the other parts of the code that were added to reproduce
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the bug and replaces it with code that tries to reproduce the bug in a different way.
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The new code basically tries to tweak conditions so as to simulate the random read
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where a page that doesn't exist is tried to be read.
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RB: 15890
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Reviewed-by: Jimmy Yang <Jimmy.Yang@oracle.com>
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Reviewed-by: Satya Bodapati <satya.bodapati@oracle.com>
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This patch is only adding debug instrumentation and a test. Should be safe to apply. This is applicable to 10.2 only, because this bug was introduced by the WL#6501 TRUNCATE changes.
Attachments
Issue Links
- blocks
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MDEV-14958 Merge new release of InnoDB MySQL 5.7.21 to 10.2
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- Closed
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- is blocked by
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- Closed
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- Closed
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- relates to
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- Closed
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- Closed
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