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Instead of checking lex->sql_command which does not corect in case of triggers
mark tables for insert.
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table with FK
MDEV-16210 original case was wrongly allowed versioned DELETE from
referenced table where reference is by non-primary key. InnoDB UPDATE
has optimization for new rows not changing its clustered index
position. In this case InnoDB doesn't update all secondary indexes and
misses the one holding the referenced key. The fix was to disable this
optimization for versioned DELETE. In case of versioned DELETE we
forcely update all secondary indexes and therefore check them for
constraints.
But the above fix raised another problem with versioned DELETE on
foreign table side. In case when there was no corresponding record in
referenced table (illegal foreign reference can be done with "set
foreign_key_checks=off") there was spurious constraint check (because
versioned DELETE is actually UPDATE) and hence the operation failed
with constraint error.
MDEV-16210 tried to fix the above problem by checking foreign table
instead of referenced table and that at least was illegal.
Constraint check is done by row_ins_check_foreign_constraint() no
matter what kind of table is checked, referenced or foreign
(controlled by check_ref argument).
Referenced table is checked by row_upd_check_references_constraints().
Foreign table is checked by row_ins_check_foreign_constraints().
Current fix rolls back the wrong fix for the above problem and
disables referenced table check for DELETE on foreign side by
introducing `check_foreign` argument which when set to *false* skips
row_ins_check_foreign_constraints() call.
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rec_init_offsets(): Relax the assertion that was added in
commit 01f45becd1b71433e240959228e35266f271bba1
to catch ROW_FORMAT=REDUNDANT records that have fewer fields
than expected.
This assertion would fail when accessing the records of the
built-in InnoDB table SYS_INDEXES. The column MERGE_THRESHOLD
had been effectively instantly added in MariaDB Server 10.2
(and MySQL 5.7), but is_instant() does not hold for that index.
Relax the assertion, so that it will not fail in this case.
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innodb_immediate_scrub_data_uncompressed=ON
The assertion that was added in
commit c0c003beb48b099b5e6516e9d36adf096cd2d09c
to augment the fix of MDEV-20805 turns out to be invalid when
innodb_immediate_scrub_data_uncompressed is enabled.
In this mode, fsp_init_file_page() will be invoked on data pages
that have been freed, causing writes of almost-all-zero pages.
btr_page_free(): Adjust the comment.
buf_flush_init_for_writing(): Disable the assertion with a note
that it should be re-enabled in MDEV-15528.
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When the mysqld_multi script passes the --defaults-group-suffix
option to mysqld, it must remove the initial substring with the
group name ("mysqld") from option value, because otherwise substring
"mysqld" will be added to the group name and then the group name
will contain the word "mysqld" twice, which is wrong, because
mysqld itself adds the suffix received to the group name.
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When the mysqld_multi script passes the --defaults-group-suffix
option to mysqld, it must remove the initial substring with the
group name ("mysqld") from option value, because otherwise substring
"mysqld" will be added to the group name and then the group name
will contain the word "mysqld" twice, which is wrong, because
mysqld itself adds the suffix received to the group name.
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This is another follow-up fix to
commit b393e2cb0c079b30563dcc87a62002c9c778643c
which turned out to be still broken.
Replace the C++11 keyword 'constexpr' with #define.
debug_sync_t::str: Remove the zero-length array.
Replace sync->str with reinterpret_cast<char*>(&sync[1]).
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During IMPORT TABLESPACE, we do invoke
buf_flush_init_for_writing() with block==NULL and newest_lsn!=0.
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buf_flush_init_for_writing(): Assert that FIL_PAGE_TYPE is set
except when creating a new data file with a dummy first page.
buf_dblwr_create(): Ensure that FIL_PAGE_TYPE on all pages
will be initialized. Reset buf_dblwr_being_created at the end.
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In the function recv_parse_or_apply_log_rec_body() there are debug checks
for validating the state of the page when redo log records are being
applied. Most notably, FIL_PAGE_TYPE should be set before anything else
is being written to the page.
ibuf_add_free_page(): Set FIL_PAGE_TYPE before performing any other changes.
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Apply the correct pattern for debug instrumentation:
SET @save_dbug=@@debug_dbug;
SET debug_dbug='+d,...';
...
SET debug_dbug=@save_dbug;
Numerous tests use statements of the form
SET debug_dbug='-d,...';
which will inadvertently enable all DBUG tracing output,
causing unnecessary waste of resources.
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The test main.index_merge_innodb is taking very much time,
especially on later versions (10.2 and 10.3).
Some of this could be attributed to the use of INSERT...SELECT,
which is time-consumingly creating explicit record locks in InnoDB
for the locking read in the SELECT part.
In 10.3 and later, some slowness can be attributed to MDEV-12288,
which makes the InnoDB purge thread spend time to reset transaction
identifiers in the inserted records. If we prevent purge from
running before all tables are dropped, the test seems to be
10% faster on an unoptimized debug build on 10.5. (A proper fix
would be to implement MDEV-515 and stop writing row-level undo log
records for inserts into an empty table or partition.)
At the same time, it should not hurt to make main.index_merge_myisam
to use the sequence engine. Not only could it be a little faster,
but the test would be slightly more readable.
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Remove unused variables and type mismatch that was introduced
in commit b393e2cb0c079b30563dcc87a62002c9c778643c
Also, fix a typo in the documentation of the parameter, and
update the test.
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the bug was already fixed in MDEV-17005, so now only test is added
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When the mysqld_multi script passes the --defaults-group-suffix
option to mysqld, it must remove the initial substring with the
group name ("mysqld") from option value, because otherwise substring
"mysqld" will be added to the group name and then the group name
will contain the word "mysqld" twice, which is wrong, because
mysqld itself adds the suffix received to the group name.
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btr_page_get_split_rec_to_left(): Assert that in the leftmost leaf page,
if the metadata record exists, index->is_instant() must hold.
The assertion of commit 01f45becd1b71433e240959228e35266f271bba1
could fail during innobase_instant_try().
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btr_page_get_split_rec_to_left(): Assert that in the leftmost leaf page,
the metadata record exists if and only if index->is_instant().
page_validate(): Correct the wording of a message.
rec_init_offsets(): Assert that whenever a record is in "instant ALTER"
format, index->is_instant() must hold.
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In MDEV-11369 (instant ADD COLUMN) in MariaDB Server 10.3,
we introduced the hidden metadata record that must be the
first record in the clustered index if and only if
index->is_instant() holds.
To catch MDEV-19783, in
commit ed0793e096a17955c5a03844b248bcf8303dd335 and
commit 99dc40d6ac2234fa4c990665cc1914c1925cd641
we added some assertions to find cases where
the metadata record is missing while it should not be, or a
record exists when it should not. Those assertions were invalid
when traversing the PAGE_FREE list. That list can contain anything;
we must only be able to determine the successor and the size of
each garbage record in it.
page_validate(), page_simple_validate_old(), page_simple_validate_new():
Do not invoke page_rec_get_next_const() for traversing the PAGE_FREE
list, but instead use a lower-level accessor that does not attempt to
validate the REC_INFO_MIN_REC_FLAG.
page_copy_rec_list_end_no_locks(),
page_copy_rec_list_start(), page_delete_rec_list_start():
Add assertions.
btr_page_get_split_rec_to_left(): Remove a redundant return value,
and make the output parameter the return value.
btr_page_get_split_rec_to_right(), btr_page_split_and_insert(): Clean up.
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The function was always called with lsn=LSN_MAX.
Remove that redundant parameter.
Spotted by Thirunarayanan Balathandayuthapani.
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Fixed warning: -Woverloaded-virtual for GCC 9 (Clang treats it differently)
Caused by c9cba59749e1b5a39a9e3a0a5b8bd762507245f9
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Fixed warnings: -Woverloaded-virtual, -Winconsistent-missing-override
Caused by c9cba59749e1b5a39a9e3a0a5b8bd762507245f9
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/mariadb/10.3/wsrep/wsrep_gtid.c:45:26: error: conversion from 'long int' to 'unsigned int' may change value [-Werror=conversion]
45 | offset = endptr - str;
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While `handler::next_insert_id` is restored on duplicate key errors
`part_share->next_auto_inc_val` is not restored which causes
discrepancy.
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TABLE::mark_columns_needed_for_update(): use_all_columns() assigns
pointer of all_set into read_set and write_set, but this is not good
since all_set is changed later by
TABLE::mark_columns_used_by_index_no_reset().
Do column_bitmaps_signal() whenever we change read_set/write_set.
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cause constraint violation
Constraint check is done on secondary index update.
F.ex. DELETE does row_upd_sec_index_entry() and checks constraints in
row_upd_check_references_constraints(). UPDATE is optimized for the
case when order is not changed (node->cmpl_info & UPD_NODE_NO_ORD_CHANGE)
and doesn't do row_upd_sec_index_entry(), so it doesn't check constraints.
Since for versioned DELETE we do UPDATE actually, but expect behaviour
of DELETE in terms of constraints, we should deny this optimization to
get constraints checked.
Fix wrong referenced table check when versioned DELETE inserts history in parent
table. Set check_ref to false in this case.
Removed unused dup_chk_only argument for row_ins_sec_index_entry() and
added check_ref argument.
MDEV-18057 fix was superseded by this fix and reverted.
foreign.test:
All key_type combinations: pk, unique, sec(ondary).
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Preparation for MDEV-16210:
replace.test:
key_type combinations: PK and UNIQUE.
foreign.test:
Preparation for key_type combinations.
Other fixes:
* Merged versioning.update2 into versioning.update;
* Removed test2 database and done individual drop instead.
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The field buf_page_t::encrypted was added in MDEV-8588.
It was made mostly redundant in MDEV-12699. Remove the field.
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The function was declared but not defined in
commit 9d6d1902e091c868bb288e0ccf9f975ccb474db9
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read_statistics_for_tables_if_needed
Regression after 279a907, read_statistics_for_tables_if_needed() was
called after open_normal_and_derived_tables() failure.
Fixed by moving read_statistics_for_tables() call to a branch of
get_schema_stat_record() where result of open_normal_and_derived_tables()
is checked.
Removed THD::force_read_stats, added read_statistics_for_tables() instead.
Simplified away statistics_for_command_is_needed().
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Moved EITS allocation inside read_statistics_for_tables_if_needed().
Removed redundant is_safe argument.
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btr_cur_pessimistic_delete(): code changed in a way that allows
to put more REC_INFO_MIN_REC_FLAG assertions inside btr_set_min_rec_mark().
Without that change tests innodb.innodb-table-online,
innodb.temp_table_savepoint and innodb_zip.prefix_index_liftedlimit fail.
Removed basically duplicated page_zip_validate() calls
which fails because of temporary(!) invariant violation.
That fixed innodb_zip.wl5522_debug_zip and
innodb_zip.prefix_index_liftedlimit
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The bug affects MariaDB Server 10.3 or later, but it makes sense
to improve CHECK TABLE in earlier versions already.
page_validate(): Check REC_INFO_MIN_REC_FLAG in the records.
This allows CHECK TABLE to catch more bugs.
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Until now, InnoDB inefficiently compared the aligned fields
FIL_PAGE_PREV, FIL_PAGE_NEXT to the byte-order-agnostic value FIL_NULL.
This is a backport of 32170f8c6d55c497ae7a791997e17ff7c992b86f
from MariaDB Server 10.3.
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encrypted binlogs, SHOW BINLOG EVENTS reports the correct one.
Analysis
Mysqlbinlog output for encrypted binary log
#Q> insert into tab1 values (3,'row 003')
#190912 17:36:35 server id 10221 end_log_pos 980 CRC32 0x53bcb3d3 Table_map: `test`.`tab1` mapped to number 19
# at 940
#190912 17:36:35 server id 10221 end_log_pos 1026 CRC32 0xf2ae5136 Write_rows: table id 19 flags: STMT_END_F
Here we can see Table_map_log_event ends at 980 but Next event starts at 940.
And the reason for that is we do not send START_ENCRYPTION_EVENT to the slave
Solution:-
Send Start_encryption_log_event as Ignorable_log_event to slave(mysqlbinlog),
So that mysqlbinlog can update its log_pos.
Since Slave can request multiple FORMAT_DESCRIPTION_EVENT while master does not
have so We only update slave master pos when master actually have the
FORMAT_DESCRIPTION_EVENT. Similar logic should be applied for START_ENCRYPTION_EVENT.
Also added the test case when new server reads the data from old server which
does not send START_ENCRYPTION_EVENT to slave.
Master Slave Upgrade Scenario.
When Slave is updated first, Slave will have extra logic of handling
START_ENCRYPTION_EVENT But master willnot be sending START_ENCRYPTION_EVENT.
So there will be no issue.
When Master is updated first, It will send START_ENCRYPTION_EVENT to
slave , But slave will ignore this event in queue_event.
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--prepare --export step
When "--export" mariabackup option is used, mariabackup starts the server in
bootstrap mode to generate *.cfg files for the certain innodb tables.
The started instance of the server reads options from the file, pointed
out in "--defaults-file" mariabackup option.
If the server uses the same config file as mariabackup, and binlog is
switched on in that config file, then "mariabackup --prepare --export"
will create binary log files in the server's binary log directory, what
can cause issues.
The fix is to add "--skip-log-bin" in mysld options when the server is
started to generate *.cfg files.
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