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connectors experimental galera main
fdb9b05cbba6...
fdb9b05cbba648fdc411afb3e39495f37321f084
Oleksandr Byelkin
fix tests
f2ccfcaca191...
f2ccfcaca191513d12f50672ae4545f9738670f0
Oleksandr Byelkin
Merge branch '10.1' into 10.2
ceda5f724fd1...
ceda5f724fd1ca1bcb6fb113af55179849c057d0
Oleksandr Byelkin
Merge branch '10.2' into 10.3
bfc24bb2ecff...
bfc24bb2ecff2f9a305307086cd4c3c4aae14eaa
Oleksandr Byelkin
Merge branch '10.3' into 10.4
b534a6675c6b...
b534a6675c6ba99d35112545ba7576d55cd27bb6
Eugene Kosov
cleanup redo log

class log_file_t: more or less sane RAII wrapper around redo log file
descriptor and its path.

This change is motivated by the need of using that log_file_t somewhere else.
ac3e3e12adad...
ac3e3e12adad505b9f09bd068ddd6819ac084a05
Marko Mäkelä
MDEV-21509: Work around occasional lost DEBUG_SYNC
9edcab40bb93...
9edcab40bb93991ddb3702ae0a5e70cd1f2ff7b6
Marko Mäkelä
fixup e26f00a15d03938df602f70ab8a10dd4bc56a06c: uninitialized variable
982294ac1680...
982294ac1680938ac9223fb64a64e21f0cbc322a
Julius Goryavsky
MDEV-17601: MariaDB Galera does not expect 'mbstream' as streamfmt

Setting "streamfmt=mbstream" in the "[sst]" section causes SST to fail
because the format automatically switches to 'tar' by default (insead
of mbstream).

To fix this, we need to add mbstream to the list of valid values for
the format, making it synonymous with xbstream. This must be done both
in the SST script and when parsing the options of the corresponding
utilities.
955af529ab9b...
955af529ab9b1cb9dd5d934b439d0239997174ca
Sergei Petrunia
MDEV-21243: Join buffer: condition is checked in wrong place for range access

Re-commit in 10.3.21-5 based branch:

In this scenario:
- There is a possible range access for table T
- And there is a ref access on the same index which uses fewer key parts
- The join optimizer picks the ref access (because it is cheaper)
- make_join_select applies this heuristic to switch to range:
  /* Range uses longer key;  Use this instead of ref on key */

Join buffer will be used without having called
JOIN_TAB::make_scan_filter(). This means, conditions that should be
checked when reading table T will be checked after T is joined with the
contents of the join buffer, instead.

Fixed this by adding a make_scan_filter() check.
(updated patch after backport to 10.3)
(Fix testcase on Windows)
7e8a58020bc2...
7e8a58020bc2b0dcac95937a0178401ecc55f6ad
Sergei Petrunia
MDEV-21383: Possible range plan is not used under certain conditions

[Variant 2 of the fix: collect the attached conditions]

Problem:
make_join_select() has a section of code which starts with
"We plan to scan all rows. Check again if we should use an index."

the code in that section will [unnecessarily] re-run the range
optimizer using this condition:

  condition_attached_to_current_table AND current_table's_ON_expr

Note that the original invocation of range optimizer in
make_join_statistics was done using the whole select's WHERE condition.
Taking the whole select's WHERE condition and using multiple-equalities
allowed the range optimizer to infer more range restrictions.

The fix:
- Do range optimization using a condition that is an AND of this table's
condition and all of the previous tables' conditions.
- Also, fix the range optimizer to prefer SEL_ARGs with type=KEY_RANGE
over SEL_ARGS with type=MAYBE_KEY, regardless of the key part.
Computing
key_and(
  SEL_ARG(type=MAYBE_KEY key_part=1),
  SEL_ARG(type=KEY_RANGE, key_part=2)
)
will now produce the SEL_ARG with type=KEY_RANGE.
76d480c895c5...
76d480c895c5f5ff28bfc5022a28a677043f49d7
Marko Mäkelä
Cleanup: Remove mtr_t::m_state

mtr_t::is_active(), mtr_t::is_committed(): Make debug-only.
6af00b2cc620...
6af00b2cc620a96372541447cca7134f2d051b19
Marko Mäkelä