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row_build_index_entry_low
First part (row0mysql.cc) fixes ins_node_set_new_row() usage workflow
as it is designed to operate on empty row (see row_get_prebuilt_insert_row()
for example).
Second part (row0ins.cc) fixes duplicate key error in FTS_DOC_ID_INDEX
since history rows must not generate entries in that index. We detect
FTS_DOC_ID_INDEX by a number of attributes and skip it if the row is
historical.
Misc fixes:
row_build_index_entry_low() does not accept non-NULL tuple
for FTS index (subject assertion fails), assertion (index->type !=
DICT_FTS) adds code understanding.
Now as historical_row is copied in row_update_vers_insert() there is
no need to copy the row twice: ROW_COPY_POINTERS is used to build
historical_row initially.
dbug_print_rec() debug functions.
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Fix stale virtual field value in 4 cases: when virtual field depends
on row_start/row_end in timestamp/trx_id versioned table. row_start
dep is recalculated in vers_update_fields() (SQL and InnoDB
layer). row_end dep is recalculated on history row insert.
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Making a linked list of dtuple_t is needed only for inserting
records. It's better to store tuples in a non-intrusive
container to not affect all other use cases of dtuple_t
dtuple_t::tuple_list: removed, it was 2 * sizeof(void*) bytes
ins_node_t::entry_list: now it's std::vector<dtuple_t*>
ins_node_t::entry: now it's std::vector<dtuple_t*>::iterator
DBUG_EXECUTE_IF("row_ins_skip_sec": this dead code removed
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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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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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The parameter dup_chk_only was always passed as a constant false.
Remove the parameter and the dead code related to it.
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MDEV-17614 flags INSERT…ON DUPLICATE KEY UPDATE unsafe for statement-based
replication when there are multiple unique indexes. This correctly fixes
something whose attempted fix in MySQL 5.7
in mysql/mysql-server@c93b0d9a972cb6f98fd445f2b69d924350f9128a
caused lock conflicts. That change was reverted in MySQL 5.7.26
in mysql/mysql-server@066b6fdd433aa6673622341f1a2f0a3a20018043
(with a substantial amount of other changes).
In MDEV-17073 we already disabled the unfortunate MySQL change when
statement-based replication was not being used. Now, thanks to MDEV-17614,
we can actually remove the change altogether.
This reverts commit 8a346f31b913daa011085afec2b2d38450c73e00 (MDEV-17073)
and mysql/mysql-server@c93b0d9a972cb6f98fd445f2b69d924350f9128a while
keeping the test cases.
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Also, related to MDEV-15522, MDEV-17304, MDEV-17835,
remove the Galera xtrabackup tests, because xtrabackup never worked
with MariaDB Server 10.3 due to InnoDB redo log format changes.
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Rollback attempted to dereference DB_ROLL_PTR=0, which cannot possibly
be a valid undo log pointer. A safe canonical value would be
roll_ptr_t(1) << ROLL_PTR_INSERT_FLAG_POS
which is what was chosen in MDEV-12288.
This bug was reproduced in 10.3 only. Potentially, the problem could
have been introduced by MDEV-11415, which suppresses undo logging for
ALGORITHM=COPY operations. In those operations, we should actually
have written the safe value of DB_ROLL_PTR instead of writing 0.
However, the test in commit 5421e3aee7b44c3c400c5dc82b8af00436790ab0
demonstrates that access to the rebuilt table by earlier-started
transactions should actually have been refused with ER_TABLE_DEF_CHANGED.
btr_cur_ins_lock_and_undo(): When undo logging is disabled, use the
safe value of DB_ROLL_PTR.
btr_cur_optimistic_insert(): Validate the DB_TRX_ID,DB_ROLL_PTR before
inserting into a clustered index leaf page.
ins_node_t::sys_buf[]: Replaces row_id_buf and trx_id_buf and some
heap usage.
row_ins_alloc_sys_fields(): Initialize ins_node_t::sys_buf[].
trx_undo_page_report_modify(): Assert that the DB_ROLL_PTR is not 0.
trx_undo_get_undo_rec_low(): Assert that the roll_ptr is valid before
trying to dereference it.
dict_index_t::is_primary(): Check if the index is the primary key.
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Rollback attempted to dereference DB_ROLL_PTR=0, which cannot possibly
be a valid undo log pointer. A safer canonical value would be
roll_ptr_t(1) << ROLL_PTR_INSERT_FLAG_POS
which is what was chosen in MDEV-12288, corresponding to reset_trx_id.
No deterministic test case for the bug was found. The simplest test
cases may be related to MDEV-11415, which suppresses undo logging for
ALGORITHM=COPY operations. In those operations, in the spirit of
MDEV-12288, we should actually have written reset_trx_id instead of
using the transaction identifier of the current transaction
(and a bogus value of DB_ROLL_PTR=0). However, thanks to MySQL Bug#28432
which I had fixed in MySQL 5.6.8 as part of WL#6255, access to the
rebuilt table by earlier-started transactions should actually have been
refused with ER_TABLE_DEF_CHANGED.
reset_trx_id: Move the definition to data0type.cc and the declaration
to data0type.h.
btr_cur_ins_lock_and_undo(): When undo logging is disabled, use the
safe value that corresponds to reset_trx_id.
btr_cur_optimistic_insert(): Validate the DB_TRX_ID,DB_ROLL_PTR before
inserting into a clustered index leaf page.
ins_node_t::sys_buf[]: Replaces row_id_buf and trx_id_buf and some
heap usage.
row_ins_alloc_sys_fields(): Init ins_node_t::sys_buf[] to reset_trx_id.
row_ins_buf(): Only if undo logging is enabled, copy trx->id
to node->sys_buf. Otherwise, rely on the initialization in
row_ins_alloc_sys_fields().
row_purge_reset_trx_id(): Invoke mlog_write_string() with reset_trx_id
directly. (No functional change.)
trx_undo_page_report_modify(): Assert that the DB_ROLL_PTR is not 0.
trx_undo_get_undo_rec_low(): Assert that the roll_ptr is valid before
trying to dereference it.
dict_index_t::is_primary(): Check if the index is the primary key.
PageConverter::adjust_cluster_record(): Fix
MDEV-15249 Crash in MVCC read after IMPORT TABLESPACE
by resetting the system fields to reset_trx_id instead of writing
the current transaction ID (which will be committed at the
end of the IMPORT TABLESPACE) and DB_ROLL_PTR=0.
This can partially be viewed as a follow-up fix of MDEV-12288,
because IMPORT should already then have written
DB_TRX_ID=0 and DB_ROLL_PTR=1<<55 to prevent unnecessary
DB_TRX_ID lookups in subsequent accesses to the table.
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* System fields renamed
* Removed row0ins.ic
* Removed row_update_for_mysql() wrapper
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* versioned DML: INSERT, UPDATE, DELETE;
* general refactoring and fixes.
Warning: breaks 'insert' and 'update' tests since they require part IV.
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* moved vers_notify_vtq() to commit phase;
* low_level insert (load test passed);
* rest of SYS_VTQ columns filled: COMMIT_TS, CONCURR_TRX;
* savepoints support;
* I_S.INNODB_SYS_VTQ adjustments:
- limit to I_S_SYS_VTQ_LIMIT(10000) of most recent records;
- CONCURR_TRX limit to I_S_MAX_CONCURR_TRX(100) with '...' truncation marker;
- TIMESTAMP fields show fractions of seconds.
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* SYS_VTQ internal InnoDB table;
* I_S.INNODB_SYS_VTQ table;
* vers_notify_vtq(): add record to SYS_VTQ on versioned DML;
* SYS_VTQ columns filled: TRX_ID, BEGIN_TS.
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GLOBAL SYMBOLS TO STATIC
InnoDB defines some functions that are not called at all.
Other functions are called, but only from the same compilation unit.
Remove some function declarations and definitions, and add 'static'
keywords. Some symbols must be kept for separately compiled tools,
such as innochecksum.
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UNIV_NONINL
Also, remove empty .ic files that were not removed by my MySQL commit.
Problem:
InnoDB used to support a compilation mode that allowed to choose
whether the function definitions in .ic files are to be inlined or not.
This stopped making sense when InnoDB moved to C++ in MySQL 5.6
(and ha_innodb.cc started to #include .ic files), and more so in
MySQL 5.7 when inline methods and functions were introduced
in .h files.
Solution:
Remove all references to UNIV_NONINL and UNIV_MUST_NOT_INLINE from
all files, assuming that the symbols are never defined.
Remove the files fut0fut.cc and ut0byte.cc which only mattered when
UNIV_NONINL was defined.
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Define my_thread_id as an unsigned type, to avoid mismatch with
ulonglong. Change some parameters to this type.
Use size_t in a few more places.
Declare many flag constants as unsigned to avoid sign mismatch
when shifting bits or applying the unary ~ operator.
When applying the unary ~ operator to enum constants, explictly
cast the result to an unsigned type, because enum constants can
be treated as signed.
In InnoDB, change the source code line number parameters from
ulint to unsigned type. Also, make some InnoDB functions return
a narrower type (unsigned or uint32_t instead of ulint;
bool instead of ibool).
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Contains also:
MDEV-10549 mysqld: sql/handler.cc:2692: int handler::ha_index_first(uchar*): Assertion `table_share->tmp_table != NO_TMP_TABLE || m_lock_type != 2' failed. (branch bb-10.2-jan)
Unlike MySQL, InnoDB still uses THR_LOCK in MariaDB
MDEV-10548 Some of the debug sync waits do not work with InnoDB 5.7 (branch bb-10.2-jan)
enable tests that were fixed in MDEV-10549
MDEV-10548 Some of the debug sync waits do not work with InnoDB 5.7 (branch bb-10.2-jan)
fix main.innodb_mysql_sync - re-enable online alter for partitioned innodb tables
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Contains also
MDEV-10547: Test multi_update_innodb fails with InnoDB 5.7
The failure happened because 5.7 has changed the signature of
the bool handler::primary_key_is_clustered() const
virtual function ("const" was added). InnoDB was using the old
signature which caused the function not to be used.
MDEV-10550: Parallel replication lock waits/deadlock handling does not work with InnoDB 5.7
Fixed mutexing problem on lock_trx_handle_wait. Note that
rpl_parallel and rpl_optimistic_parallel tests still
fail.
MDEV-10156 : Group commit tests fail on 10.2 InnoDB (branch bb-10.2-jan)
Reason: incorrect merge
MDEV-10550: Parallel replication can't sync with master in InnoDB 5.7 (branch bb-10.2-jan)
Reason: incorrect merge
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