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Extra merge due to more extra commits during merge process
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innodb.doublewrite: Similar to what was done to innodb.101_compatibility,
add an explicit $_ parameter to the Perl unpack function.
Also, fix some diagnostic messages in the Perl code.
innodb.innodb-wl5522-debug: Adjust for the changed error codes and
messages on fault injection.
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Apparently, in older versions of Perl unpack does not have a logic
for using $_ as a default value for the second argument. Fixed by
specifying it explicitly
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MariaDB 10.0/MySQL 5.6 using innodb-page-size!=16K
The storage format of FSP_SPACE_FLAGS was accidentally broken
already in MariaDB 10.1.0. This fix is bringing the format in
line with other MySQL and MariaDB release series.
Please refer to the comments that were added to fsp0fsp.h
for details.
This is an INCOMPATIBLE CHANGE that affects users of
page_compression and non-default innodb_page_size. Upgrading
to this release will correct the flags in the data files.
If you want to downgrade to earlier MariaDB 10.1.x, please refer
to the test innodb.101_compatibility how to reset the
FSP_SPACE_FLAGS in the files.
NOTE: MariaDB 10.1.0 to 10.1.20 can misinterpret
uncompressed data files with innodb_page_size=4k or 64k as
compressed innodb_page_size=16k files, and then probably fail
when trying to access the pages. See the comments in the
function fsp_flags_convert_from_101() for detailed analysis.
Move PAGE_COMPRESSION to FSP_SPACE_FLAGS bit position 16.
In this way, compressed innodb_page_size=16k tablespaces will not
be mistaken for uncompressed ones by MariaDB 10.1.0 to 10.1.20.
Derive PAGE_COMPRESSION_LEVEL, ATOMIC_WRITES and DATA_DIR from the
dict_table_t::flags when the table is available, in
fil_space_for_table_exists_in_mem() or fil_open_single_table_tablespace().
During crash recovery, fil_load_single_table_tablespace() will use
innodb_compression_level for the PAGE_COMPRESSION_LEVEL.
FSP_FLAGS_MEM_MASK: A bitmap of the memory-only fil_space_t::flags
that are not to be written to FSP_SPACE_FLAGS. Currently, these will
include PAGE_COMPRESSION_LEVEL, ATOMIC_WRITES and DATA_DIR.
Introduce the macro FSP_FLAGS_PAGE_SSIZE(). We only support
one innodb_page_size for the whole instance.
When creating a dummy tablespace for the redo log, use
fil_space_t::flags=0. The flags are never written to the redo log files.
Remove many FSP_FLAGS_SET_ macros.
dict_tf_verify_flags(): Remove. This is basically only duplicating
the logic of dict_tf_to_fsp_flags(), used in a debug assertion.
fil_space_t::mark: Remove. This flag was not used for anything.
fil_space_for_table_exists_in_mem(): Remove the unnecessary parameter
mark_space, and add a parameter for table flags. Check that
fil_space_t::flags match the table flags, and adjust the (memory-only)
flags based on the table flags.
fil_node_open_file(): Remove some redundant or unreachable conditions,
do not use stderr for output, and avoid unnecessary server aborts.
fil_user_tablespace_restore_page(): Convert the flags, so that the
correct page_size will be used when restoring a page from the
doublewrite buffer.
fil_space_get_page_compressed(), fsp_flags_is_page_compressed(): Remove.
It suffices to have fil_space_is_page_compressed().
FSP_FLAGS_WIDTH_DATA_DIR, FSP_FLAGS_WIDTH_PAGE_COMPRESSION_LEVEL,
FSP_FLAGS_WIDTH_ATOMIC_WRITES: Remove, because these flags do not
exist in the FSP_SPACE_FLAGS but only in memory.
fsp_flags_try_adjust(): New function, to adjust the FSP_SPACE_FLAGS
in page 0. Called by fil_open_single_table_tablespace(),
fil_space_for_table_exists_in_mem(), innobase_start_or_create_for_mysql()
except if --innodb-read-only is active.
fsp_flags_is_valid(ulint): Reimplement from the scratch, with
accurate comments. Do not display any details of detected
inconsistencies, because the output could be confusing when
dealing with MariaDB 10.1.x data files.
fsp_flags_convert_from_101(ulint): Convert flags from buggy
MariaDB 10.1.x format, or return ULINT_UNDEFINED if the flags
cannot be in MariaDB 10.1.x format.
fsp_flags_match(): Check the flags when probing files.
Implemented based on fsp_flags_is_valid()
and fsp_flags_convert_from_101().
dict_check_tablespaces_and_store_max_id(): Do not access the
page after committing the mini-transaction.
IMPORT TABLESPACE fixes:
AbstractCallback::init(): Convert the flags.
FetchIndexRootPages::operator(): Check that the tablespace flags match the
table flags. Do not attempt to convert tablespace flags to table flags,
because the conversion would necessarily be lossy.
PageConverter::update_header(): Write back the correct flags.
This takes care of the flags in IMPORT TABLESPACE.
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contains a bad and a good copy
Clean up the InnoDB doublewrite buffer code.
buf_dblwr_init_or_load_pages(): Do not add empty pages to the buffer.
buf_dblwr_process(): Do consider changes to pages that are all zero.
Do not abort when finding a corrupted copy of a page in the doublewrite
buffer, because there could be multiple copies in the doublewrite buffer,
and only one of them needs to be good.
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sometimes table->s->stored_fields is less than table->s->null_fields
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safe_mutex: Found wrong usage of mutex 'LOCK_thread_count' and 'LOCK_status'
Mutex currently locked (in reverse order):
LOCK_status sql/sql_class.h line 3873
LOCK_thread_count libmysqld/lib_sql.cc line 432
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Problem:- In replication if slave has extra persistent column then these
column are not computed while applying write-set from master.
Solution:- While applying row events from server, we will generate values
for extra persistent columns.
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Problem:- While running individual tests of Galera_3nodes ,
We get warnings like '[Warning] WSREP: Could not open state file
for reading: '. And because of this individual tests fails.
Solution:- We change suite.pm of Galera_3nodes to supress these warnings.
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Tasks:-
Changes in wsrep_dirty_reads variable
1.) Global + Session scope (Current: session-only)
2.) Can be set using command line.
3.) Allow all commands that do not change data (besides SELECT)
4.) Allow prepared Statements that do not change data
5.) Works with wsrep_sync_wait enabled
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This reverts commit 52ea5ad865b4f6b4b37176296a3be0a716c5109a.
# Conflicts:
# mysql-test/suite/galera/r/galera_var_dirty_reads.result
# mysql-test/suite/galera/t/galera_var_dirty_reads.test
# sql/sql_parse.cc
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Problem:-
The condition that checks for node readiness is too strict as it does
not allow SELECTs even if these selects do not access any tables.
For example,if we run
SELECT 1;
OR
SELECT @@max_allowed_packet;
Solution:-
We need not to report this error when all_tables(lex->query_tables)
is NULL:
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don't check defaults for vcols
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bitmap_is_set(table->write_set, field_index) || (table->vcol_set && bitmap_is_set(table->vcol_set, field_index)))' failed in Field_time::store_TIME_with_warning
vcols and triggers. Revert 094f4cf77890c5a747a57cf2bed149b0b6933507,
backport the correct fix (Table_triggers_list::mark_fields_used() not
marking vcols) from 10.2.
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Extra merge commit due to intermediate commits pushed to 10.0 while
merge was done.
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The supplied sql_mode(s) should be converted to ASCII first,
before comparing it with the sql_mode set.
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"enforcing" mode
compile, and install selinux policy for mysqld_safe_helper on centos6.
the policy was created as described in https://mariadb.com/kb/en/mariadb/what-to-do-if-mariadb-doesnt-start/#other-selinux-changes
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The problem in MariaDB is introduced by this merge commit:
c33db2cdc0ab70a874060d58710895f6dac3dea3
The merge comes from mysql and the original author comes from this
commit from MySQL:
------------------------------------------------
commit 160b823d146288d66638e4a740d6d2da72f9a689
Author: Marc Alff <marc.alff@oracle.com>
Date: Tue Aug 30 12:14:07 2016 +0200
Bug#22551677 SIGNAL 11 IN LF_PINBOX_PUT_PINS
Backport to 5.6
------------------------------------------------
The breaking change is in start_socket_wait_v1 where instead of using
m_thread_owner, we make use of my_pthread_getspecific_ptr to fetch a
thread local storage value. Unfortunately this invalidates the
"m_thread_owner" member when a socket is created. The internals of the
socket structure have m_thread_owner set to NULL, but when checking for
ownership we actually look at the current thread's key store.
This seems incorrect however it is not immediately apparent why.
To not diverge from MySQL's reasoning as it is not described what the
actual problem was that this commit is trying to fix, I have adjusted the
unittest to account for this new behaviour. We destroy the current
thread in the unit test, such that the newly created socket actually has
no thread owner. The m_thread_owner is untouched in all this.
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c3cf7f47f0f4a1ec314001aaf0c3d9c1c1f62097 reverted the patch
for BUG#24487120. After merging the reverting patch from MySQL
to MariaDB the problems described in MDEV-11079 and MDEV-11631 disappeared.
Adding test cases only.
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* Update mysqld_safe script to remove duplicated parameter --crash-script
* Make --core-file-size accept underscores as well as dashes correctly.
* Add mysqld_safe_helper to Debian and Ubuntu files.
* Update innodb minor version to 35
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- in DOMNODELIST::DropItem
if (Listp == NULL || Listp->length <= n)
return true;
is wrong, should be:
if (Listp == NULL || Listp->length < n)
return true;
- Crash in discovery with libxml2 in XMLColumns because:
if (!tdp->Usedom) // nl was destroyed
vp->nl = vp->pn->GetChildElements(g);
is executed with vp->pn uninitialized. Fixed by adding:
vp->pn = node;
line 264.
-In discovery with libxml2 some columns are not found.
Because list was not recovered properly, nodes being modified and not reallocated.
Fixed lines 214 and 277.
modified: storage/connect/domdoc.cpp
modified: storage/connect/tabxml.cpp
Add support for zipped table files
modified: storage/connect/domdoc.cpp
modified: storage/connect/domdoc.h
modified: storage/connect/filamap.cpp
modified: storage/connect/filamap.h
modified: storage/connect/filamzip.cpp
modified: storage/connect/filamzip.h
modified: storage/connect/ha_connect.cc
modified: storage/connect/libdoc.cpp
modified: storage/connect/plgdbutl.cpp
modified: storage/connect/plgxml.cpp
modified: storage/connect/plgxml.h
modified: storage/connect/tabdos.cpp
modified: storage/connect/tabdos.h
modified: storage/connect/tabfmt.cpp
modified: storage/connect/tabjson.cpp
modified: storage/connect/tabxml.cpp
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Enable using multiple zip files
modified: storage/connect/filamzip.cpp
modified: storage/connect/ha_connect.cc
modified: storage/connect/ha_connect.h
modified: storage/connect/mycat.h
modified: storage/connect/tabdos.cpp
modified: storage/connect/tabdos.h
modified: storage/connect/tabfmt.cpp
modified: storage/connect/tabjson.cpp
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