| Commit message (Collapse) | Author | Age | Files | Lines |
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The 'user' argument added to the mysql_real_connect_local.
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causes rows count mismatch for clustered and secondary indexes during non-locking read
row_sel_sec_rec_is_for_clust_rec() treats empty BLOB prefix field in
secondary index as a field equal to any external BLOB field in clustered
index. Row_sel_get_clust_rec_for_mysql::operator() doesn't zerro out
clustered record pointer in row_search_mvcc(), and row_search_mvcc()
thinks that delete-marked secondary index record has visible for
"CHECK TABLE"'s read view old-versioned clustered index record, and
row_scan_index_for_mysql() counts it as a row.
The fix is to execute row_sel_sec_rec_is_for_blob() in
row_sel_sec_rec_is_for_clust_rec() if clustered field contains BLOB's
reference.
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Fixed inlining flags. Remove /Ob1 added by CMake for RelWithDebInfo.
(the actual compiler default is /Ob2 if optimizations are enabled)
Allow to define custom /Ob flag with new variable MSVC_INLINE, if desired
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requires header
While building on GNU/Hurd and kfreebsd.
On the C++ standard uintptr_t can be defined in <cstdint>
ref: https://www.cplusplus.com/reference/cstdint/
Fixes: 0d44792a835128a83ff07f14dbbcdd621df9f7da
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Before commit 86dc7b4d4cfe15a2d37f8b5f60c4fce5dba9491d (MDEV-24626)
all tablespace ID that needed recovery were known already in
recv_init_crash_recovery_spaces().
recv_sys_t::recover_deferred(): Invoke fil_names_dirty(space) on
the newly initialized tablespace. In this way, if the next log
checkpoint occurs at some LSN that is after the initialization of
the tablespace and before the last recovered LSN, a FILE_MODIFY
record will be written, so that a subsequent recovery will succeed.
The recovery was broken when
commit 0261eac57f137c5daae90f5bb1eaa4bf48ee431b merged the 10.5
commit f443cd11007ab89512d4141472cbd9d3b524bad6 (MDEV-27022).
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- regression got revealed while running tpcc workload.
- as part of MDEV-25919 changes logic for statistics computation was revamped.
- if the table has changed to certain threshold then table is added to
statistics recomputation queue (dict_stats_recalc_pool_add)
- after the table is added to queue the background statistics thread is
notified
- during revamp the condition to notify background statistics threads was
wrongly updated to check if the queue/vector is empty when it should
check if there is queue/vector has entries to process.
- vec.begin() == vec.end() : only when vector is empty
- also accessing these iterator outside the parallely changing vector is not
safe
- fix now tend to notify background statistics thread if the logic adds
an entry to the queue/vector.
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The asserion failure was caused by this query
select /*id=1*/ from t1
where
col= ( select /*id=2*/ from ... where corr_cond1
union
select /*id=4*/ from ... where corr_cond2)
Here,
- select with id=2 was correlated due to corr_cond1.
- select with id=4 was initially correlated due to corr_cond2, but then
the optimizer optimized away the correlation, making the select with id=4
uncorrelated.
However, since select with id=2 remained correlated, the execution had to
re-compute the whole UNION. When it tried to execute select with id=4, it
hit an assertion (join buffer already free'd).
This is because select with id=4 has freed its execution structures after
it has been executed once. The select is uncorrelated, so it did not expect
it would need to be executed for the second time.
Fixed this by adding this logic in
st_select_lex::optimize_unflattened_subqueries():
If a member of a UNION is correlated, mark all its members as
correlated, so that they are prepared to be executed multiple times.
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don't let Aria create a table that it cannot open
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use the correct check. before invoking handler methods we
need to know that the table was opened, not only created.
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Do not assume that subquery Item always present.
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host argument
Removed all dependencies of command line arguments based on positions in
an array (this kind of code should never have been written).
Instead use option names, which are stable.
Reviewer: Sergei Golubchik
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Use portable quoting in mtr_add_arg.
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- Changed SST scripts to use /usr/bin/env bash instead of
/bin/bash for better portability.
- Fixed use of mktemp on non-Linux platforms to produce
temporary file instead of directory.
Reviewed-by: Jan Lindström <jan.lindstrom@mariadb.com>
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(Backport Varun Gupta's patch + edit the commit comment)
Name resolution code produced errors for valid queries with window
functions (but not for queries which used aggregate functions as
window functions).
Name resolution code worked incorrectly, because window function
objects had is_window_func_sum_expr()=false. This was so, because
mark_as_window_func_sum_expr() was only called for aggregate functions
used as window functions.
The fix is to call it for any window function.
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Fixed the test to execute only on linux as it depends on unportable sed.
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Fixed tpool::pread() and tpool::pwrite() to return SSIZE_T on Windows,
so that huge numbers are not converted to negatives.
Also, make sure to never attempt reading/writing more bytes than
DWORD can accomodate (4G)
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fix a debug assert to account for not opened temp tables
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where `lzma_allocator *allocator` isn't declared const
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mtr_t::is_block_dirtied(), mtr_t::memo_push(): Never set m_made_dirty
for pages of the temporary tablespace. Ever since
commit 5eb539555b36a60944eefeb84d5d6d436ba61e63
we never add those pages to buf_pool.flush_list.
mtr_t::commit(): Implement part of mtr_t::prepare_write() here,
and avoid acquiring log_sys.mutex if no log is written.
During IMPORT TABLESPACE fixup, we do not write log, but we must
add pages to buf_pool.flush_list and for that, be prepared
to acquire log_sys.flush_order_mutex.
mtr_t::do_write(): Replaces mtr_t::prepare_write().
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