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connectors experimental galera main
e680c21ce5c5...
e680c21ce5c563493c60a0df1a8f867854920252
Monty
Fixed compilation failures in InnoDB with gcc 7.5.0

- 'final' relaced with 'override final'
- Fixed wrong automatic cast from int32 to byte
e0fa60c2a5f4...
e0fa60c2a5f4562eb2b669b5593504856cbc2f20
Monty
Add detection of partial matches for strnncoll

This is achived by changing the 'is_prefix' parameter to strncoll
from a my_bool to my_bool*. This parameter is null if not specified by
the caller. If the is_prefix parameter is set to point to a my_bool
variable, this variable will be set to 1 if the second argument is
a prefix of the first.

This is needed by TO_DATE to be able to detect partial uniqiue matches of
months etc.  find_type() did this for latin1 strings, but we did not
do this for utf8mb4 strings.
This patch fixes this incompatibility.
df16172aad6f...
df16172aad6f0d809c82775e9c50fdc13350f40c
Sergei Golubchik
MDEV-37326 Assertion failure upon update on versioned partitioned table with long unique under READ COMMITTED

if ha_partition::position() is asked for a position of a closed partition,
don't ask the underlying engine, just set the partition number.

in fact, the partition is open and can be perfectly used, the assert
is over-zealous. but in the future it might be actually closed.
d94aab2bd76d...
d94aab2bd76d45d8e7b0a88a4fd4d8f5656566b0
Sergei Golubchik
fixup! MDEV-36787
d746eaaeb10b...
d746eaaeb10bd295b143eb5689f732c0a737bf46
Sergei Golubchik
MDEV-34570 mariabackup prepare fails with data-at-rest encryption and "-u root" option

rewrite mariadb-backup "early" option parsing to use my_getopt

+ proper handling of values separated from the option by a space (not =)
+ case insensitive and -/_ insensitive comparison
- multiple --defaults-group don't work
- multiple --login-path don't work
- --incremental-dir overwrites --target-dir, not "whatever comes first"
ceae8c05bde5...
ceae8c05bde5e557ba73d654dee9546d41e65840
Väinö Mäkelä
MDEV-32745 Add a simple MySQL to MariaDB upgrade helper

The tool is named mariadb-migrate-config-file.
The main purpose of the tool is to change MySQL option
files to work both for MySQL and MariaDB.
There are options to do the changes in the options file inline,
or at-end-of-file. One can also remove or comment unknown options.

The list of supported options is generated compile time from
mariadbd --help. All server options, including compiled plugins, are
supported.

The bulk of the code comes from Väinö.
Monty has updated it with a lot of extra options.

Other things:
- Fixed a memory leak in sql_plugin.cc
- plugin-load will now in case of errors try to load all given plugins
  before aborted
- If silent-startup is used, plugin-load will not give errors for
  plugins it cannot load or warnings about plugin marturity level.
- my_rm_tree() will now delete symlinks, not the actual file, if
  MY_NOSYMLINK flag is used.
- my_stat() will now give data for symlink if MY_NOSYMLINKS is used.

@Authors: Väinö Mäkelä <[email protected]>,[email protected]
c0df4c5d83c2...
c0df4c5d83c29723b8073ed5fb8aac72f8c1bb63
Mohammad Tafzeel Shams
MDEV-38079: Crash Recovery Fails After ALTER TABLE…PAGE_COMPRESSED=1

Issue:
Recovery fails because the expected space ID does not match the space
ID stored in the page.

Root Cause:
- Before the crash, the nth page (n != 0) gets flushed to disk as a
  compressed page.
- Page 0 remains unflushed, and the compressed flag for the space is
  made durable only in the redo logs.
- During recovery, the compressed flag is first set to indicate a
  compressed space.
- Later, while applying redo logs, an earlier LSN may reset it to
  non-compressed and then back to compressed.
- If the nth page is read during this intermediate state, a compressed
  page may be read as non-compressed, causing a space ID mismatch.

Fix:
- recv_sys_t::space_flags_lsn : Added a map to track the last applied
  LSN for each space and avoid stale updates from earlier LSNs.
- recv_sys_t::update_space_flags() : Updates space->flags during
  recovery only if the update comes from the latest LSN.
bdf965d11542...
bdf965d115422e2821723652289aec21ef0278ff
Sergei Golubchik
MDEV-37481 empty value inserted if BEFORE trigger and ENUM NOT NULL field

must use field->make_empty_rec_reset() for resetting a field
to its type default value. ENUM is historically weird.
bd19453ba5ce...
bd19453ba5ce8f5ad7d45853bd1935cf4804cfdd
Alexey Botchkov
MDEV-38548 Xmltype default values inconsistency is not checked.

Check the DEFAULT for type compatibility.
b8d7537c1559...
b8d7537c15592461c95bee4faae834b56220c9e0
Sergei Golubchik
MDEV-37326 Assertion failure upon update on versioned partitioned table with long unique under READ COMMITTED

if ha_partition::position() is asked for a position of a closed partition,
don't ask the underlying engine, just set the partition number.

in fact, the partition is open and can be perfectly used, the assert
is over-zealous. but in the future it might be actually closed.
ae641fcbf3ea...
ae641fcbf3ea40fd755204cc44a26bf13f53c091
Väinö Mäkelä
MDEV-32745 Add a simple MySQL to MariaDB upgrade helper

The tool is named mariadb-migrate-config-file.
The main purpose of the tool is to change MySQL option
files to work both for MySQL and MariaDB.
There are options to do the changes in the options file inline,
or at-end-of-file. One can also remove or comment unknown options.

The list of supported options is generated compile time from
mariadbd --help. All server options, including compiled plugins, are
supported.

The bulk of the code comes from Väinö.
Monty has updated it with a lot of extra options.

Other things:
- Fixed a memory leak in sql_plugin.cc
- plugin-load will now in case of errors try to load all given plugins
  before aborted
- If silent-startup is used, plugin-load will not give errors for
  plugins it cannot load or warnings about plugin marturity level.
- my_rm_tree() will now delete symlinks, not the actual file, if
  MY_NOSYMLINK flag is used.
- my_stat() will now give data for symlink if MY_NOSYMLINKS is used.

@Authors: Väinö Mäkelä <[email protected]>,[email protected]
ac79622e3c62...
ac79622e3c62017b2a83f2ca2dec7766dcadae65
Sergei Golubchik
MDEV-37341 Assertion failures `null_ptr < ptr' and `ptr - null_ptr <= (int)table->s->rec_buff_length' with BEFORE trigger and UPDATE

in SIMULTANEOUS_ASSIGNMENT there is no need to switch value items
to new nullable copies of table Field's - they must refer to old
values in the row, which can never be null anyway.

skipping this redundant step simplifies moving field to record[1]
and back in fill_record()
a13f0f6ed13c...
a13f0f6ed13c10a2146a3dbb0e63f7b831a5d81b
Sergei Golubchik
MDEV-36787 Error 153: No savepoint with that name upon ROLLBACK TO SAVEPOINT, assertion failure

1. InnoDB should return HA_ERR_ROLLBACK if it aborts a transaction internally
2. the server should recognize it and perform an automatic rollback
9fd223969112...
9fd223969112464af29a5d19b6c6e0743064f24f
Sergei Golubchik
MDEV-37481 empty value inserted if BEFORE trigger and ENUM NOT NULL field

must use field->make_empty_rec_reset() for resetting a field
to its type default value. ENUM is historically weird.
9557c52f5696...
9557c52f56967173b320719f81fe8d3f8febef02
Sergei Golubchik
cleanup: remove unused argument
93fd0dd6a392...
93fd0dd6a392d16c06321e4db9df63454c3367cb
Sergei Golubchik
MDEV-37506 Assertion if FLUSH PRIVILEGES is interrupted in --skip-grant-tables

* fail acl_load() if it was killed, this will cause all privileges to
  be reset to their original pre-load values.
* only increment grant_version if privileges were, in fact, updated
8cb64d1c9004...
8cb64d1c900469b30273dd2bc5998a72f5851919
Thirunarayanan Balathandayuthapani
MDEV-38631 Remove unused FTS debug directives and dead code

Remove several unused debugging preprocessor directives from the FTS
module that were never effectively used for debugging purposes and
represent dead code.

Removed debug directives:
- DEBUG_FTS_SORT_PRINT: FTS sorting debug output macros
- FTS_INTERNAL_DIAG_PRINT: Internal FTS diagnostic printing
- FTS_OPTIMIZE_DEBUG: FTS optimization debugging functions
- MYSQL_STORE_FTS_DOC_ID: Store fts doc id in FTS_DOC_ID field
- FTS_DEBUG: Debug for fulltext index
- FTS_CACHE_SIZE_DEBUG: Assign max and min fulltext cache size
- FTS_MULT_INDEX: Updated fulltext index
- Removed FTS_OPTIMIZE_START_TIME and FTS_OPTIMIZE_END_TIME constants

These debug directives were never properly integrated into the build
system and provided no value for production debugging and also
improves code clarity for the FTS module.
8a0f327675e9...
8a0f327675e9b4a1e0ae2e3a97fe001122a9db03
Sergei Golubchik
MDEV-32263 Increase mysqldump default max_allowed_packet variable
7ea9e14ed225...
7ea9e14ed225881b7e279c2323c86af40d0dc8ee
Kristian Nielsen
Fix bad merge that broke Galera

Signed-off-by: Kristian Nielsen <[email protected]>
7b3a65e9f5ec...
7b3a65e9f5ec62274f04d63be5722af1ae187d56
Sergei Golubchik
MDEV-37503 UBSAN: downcast Item_func_plus to Item_field invalid in sql_prepare.cc:1516

use reinterpret_cast to silence UBSAN.
add a debug check to make sure the wrong value is never used.
70097ea50ff4...
70097ea50ff4327d173a468807ad0b2ae9b57cfe
Sergei Golubchik
MDEV-37506 Assertion if FLUSH PRIVILEGES is interrupted in --skip-grant-tables

* fail acl_load() if it was killed, this will cause all privileges to
  be reset to their original pre-load values.
* only increment grant_version if privileges were, in fact, updated
667b1d79d1df...
667b1d79d1df8ef009371c9b9a7b9650464c74d1
Väinö Mäkelä
MDEV-32745 Add a simple MySQL to MariaDB upgrade helper

The tool is named mariadb-migrate-config-file.
The main purpose of the tool is to change MySQL option
files to work both for MySQL and MariaDB.
There are options to do the changes in the options file inline,
or at-end-of-file. One can also remove or comment unknown options.

The list of supported options is generated compile time from
mariadbd --help. All server options, including compiled plugins, are
supported.

The bulk of the code comes from Väinö.
Monty has updated it with a lot of extra options.

Other things:
- Fixed a memory leak in sql_plugin.cc
- plugin-load will now in case of errors try to load all given plugins
  before aborted
- If silent-startup is used, plugin-load will not give errors for
  plugins it cannot load or warnings about plugin marturity level.
- my_rm_tree() will now delete symlinks, not the actual file, if
  MY_NOSYMLINK flag is used.
- my_stat() will now give data for symlink if MY_NOSYMLINKS is used.

@Authors: Väinö Mäkelä <[email protected]>,[email protected]
63ca1402ae6a...
63ca1402ae6a260ab387836facef8777a1013a02
Sergei Golubchik
MDEV-37503 UBSAN: downcast Item_func_plus to Item_field invalid in sql_prepare.cc:1516

use reinterpret_cast to silence UBSAN.
add a debug check to make sure the wrong value is never used.
634341ef8e9a...
634341ef8e9ade63f943a13bb15c02fdbc0a758c
Monty
MDEV-37785 Assertion `!mysql_bin_log.is_open()' failed in ... ALTER TABLE

The reason for the failure was a wrong assert in
mark_tmp_table_as_free_for_reuse()
The purpose of the assert was to find of it a temporary table would
be wrongly marked as 'not up to date'.
However there is no easy way to do that, so better to remove the
assert. It has already proven that for most cases this does not happen.
5688678ff46d...
5688678ff46dc6353b014b16f48cdcaf3e97b37b
Daniel Black
MDEV-37615: Clang based static analysis false postive reports on UNINIT_VAR

Clang upstream bug https://github.com/llvm/llvm-project/issues/173210
shows that a "int x=x" construct will in the intermediate representation
have code to read from x. With this generated sanitizer=undefined and
static analyzers will all see the uninitialized read and write.

Because clang has a stronger implementation of following paths to
uninitialized variables, "#define UNINIT_VAR(x) x" is the which
is what our release binaries use is the ideal path for this compiler.

Clang based compilers with error during compilation if any
uninitialized behaviour is detected at compile time because of
0c80ddb519bd06efbd7ccf2a2487b2503cd16db5.

Corrects MDEV-36542 - 6fd57f478f585249bdca242b1576ac0a7bd7aacf.
528ead85813c...
528ead85813c7bc30310d5e566f475ee5edafbe9
Michael Widenius
MDEV-19683 Add support for Oracle TO_DATE()

Syntax:
TO_DATE(string_expression [DEFAULT string_expression ON CONVERSION ERROR],
        format_string [,NLS_FORMAT_STRING])
The format_string has the same format elements as TO_CHAR(), except a
few elements that are not supported/usable for TO_DATE().
TO_DATE() returns a datetime or date value, depending on if the format
element FF is used.

Allowed separators, same as TO_CHAR():
space, tab and any of !#%'()*+,-./:;<=>

'&' can also be used if next character is not a character a-z or A-Z
"text' indicates a text string that is verbatim in the format. One cannot
use " as a separator.

Format elements supported by TO_DATE():
AD          Anno Domini ("in the year of the Lord")
AD_DOT      Anno Domini ("in the year of the Lord")
AM          Meridian indicator (Before midday)
AM_DOT      Meridian indicator (Before midday)
DAY        Name of day
DD          Day (1-31)
DDD        Day of year (1-336)
DY          Abbreviated name of day
FF[1-6]    Fractional seconds
HH          Hour (1-12)
HH12        Hour (1-12)
HH24        Hour (0-23)
MI          Minutes (0-59)
MM          Month (1-12)
MON        Abbreviated name of month
MONTH      Name of Month
PM          Meridian indicator (After midday)
PM_DOT      Meridian indicator (After midday)
RR          20th century dates in the 21st century. 2 digits
            50-99 is assumed from 2000, 0-49 is assumed from 1900.
RRRR        20th century dates in the 21st century. 4 digits
SS          Seconds
SYYYY      Signed 4 digit year; MariaDB only supports positive years
Y          1 digit year
YY          2 digits year
YYY        3 digits year
YYYY        4 digits year

Note that if there is a missing part of the date, the current date is used!
For example if 'MM-DD HH-MM-SS' then the current year will be used.
(Oracle behaviour)

Not supported options:
BC, D, DL, DS, E, EE, FM, FX, RM, SSSSS, TS, TZD, TZH, TZR, X,SY
BC is not supported by MariaDB datetime.
Most of the other are exotic formats, format modifies other things that
does not make in MariaDB as we return datetime or datetime with fractions,
not string.
D (day-of-week) is not supported as it is not clear exactly how it would
map to MariaDB. This element depends on the NLS territory of the session.

Extensions / differences compared to Oracle;
- MariaDB supports FF (fractional seconds).  If FF[£] is used,
  then TO_DATE will return a datetime with # of subseconds.
  If FF is not used a datetime will be returned.
- Names can be shortened to it's unique prefix. For example January and Ja
  works fine.
- No error if the date string is shorter format_string. This is useful to
  get a date from a mixed set of strings in date or datetime format.
  Oracle gives an error if date string is too short.
- MariaDB supports short locales as language names
- NLS_DATE_FORMAT can use both " and ' for quoting.

New formats handled by TO_CHAR():
FF[1-6]    Fractional seconds
DDD        Daynumber 1-366
IW          Week 1-53 according to ISO 8601
I          1 digit year according to ISO 8601
IY          2 digit year according to ISO 8601
IYY        3 digit year according to ISO 8601
IYYY        4 digit year according to ISO 8601
SYYY        4 digit year according to ISO 8601 (Oracle can do signed)

Supported NLS_FORMAT_STRING options are:
NLS_CALENDAR=GREGORIAN
NLS_DATE_LANGUAGE=language

Support languages are:
- All MariaDB short locales, like en_AU.
- The following Oracle language names:
ALBANIAN, AMERICAN, ARABIC, BASQUE, BELARUSIAN, BRAZILIAN PORTUGUESE
BULGARIAN, CANADIAN FRENCH, CATALAN, CROATIAN, CYRILLIC SERBIAN CZECH,
DANISH, DUTCH, EGYPTIAN, ENGLISH, ESTONIAN, FINNISH, FRENCH, GERMAN,
GREEK, HEBREW, HINDI, HUNGARIAN, ICELANDIC, INDONESIAN ITALIAN,
JAPANESE, KANNADA, KOREAN, LATIN AMERICAN SPANISH, LATVIAN,
LITHUANIAN, MACEDONIAN, MALAY, MEXICAN SPANISH, NORWEGIAN, POLISH,
PORTUGUESE, ROMANIAN, RUSSIAN, SIMPLIFIED CHINESE, SLOVAK, SLOVENIAN,
SPANISH, SWAHILI, SWEDISH, TAMIL, THAI, TRADITIONAL CHINESE, TURKISH,
UKRAINIAN, URDU, VIETNAMESE

Development bugs fixed:
MDEV-38403 Server crashes in Item_func_to_date::fix_length_and_dec upon
          using an invalid argument
MDEV-38400 compat/oracle.func_to_date fails with PS protocol and cursor
          protocol (Fixed by Serg)
MDEV-38404 TO_DATE: MTR coverage omissions, round 1
MDEV-38509 TO_DATE: AD_DOT does not appear to be supported
MDEV-38513 TO_DATE: NULL value for format string causes assertion failure
MDEV-38521 TO_DATE: Date strings with non-ASCII symbols cause warnings
          and wrong results

Known limitations:
- Format string character matches inside quotes are done
  one-letter-to-one-letter, like in LIKE predicate. That means things
  like expansions and contractions do not work.
  For example 'ss' does not match 'ß' in collations which treat them
  as equal for the comparison operator.
  Match is done taking into account case and accent sensitivity
  of the subject argument collation, so for example this now works:
  MariaDB [test]> SELECT TO_DATE('1920á12','YYYY"a"MM') AS c;
  +---------------------+
  | c                  |
  +---------------------+
  | 1920-12-17 00:00:00 |
  +---------------------+

Co-author and reviewer: Alexander Barkov <[email protected]>
4f9a13e9ecf2...
4f9a13e9ecf2f99c323964bcec893a6556d66619
Sergei Golubchik
cleanup: don't allocate memory for virtual columns in rr cache

as rr_from_cache() does not store virtual columns,
it doesn't need to allocate memory for them either
37f7e41110a6...
37f7e41110a653744e29d80d04a84df4218384c6
Sergei Golubchik
MDEV-37341 Assertion failures `null_ptr < ptr' and `ptr - null_ptr <= (int)table->s->rec_buff_length' with BEFORE trigger and UPDATE

in SIMULTANEOUS_ASSIGNMENT there is no need to switch value items
to new nullable copies of table Field's - they must refer to old
values in the row, which can never be null anyway.

skipping this redundant step simplifies moving field to record[1]
and back in fill_record()
2c690066befc...
2c690066befcb9b82edf99fa8584f8ef901f2684
Sergei Golubchik
MDEV-38209 REFERENCES permission on particular schema is sometimes ignored

some I_S tables require "any non-SELECT privilege on the table".
If only SELECT was granted on the global level and something non-SELECT
on the schema level, then we need to check schema level privileges
explicitly, because check_grant() doesn't do that and get_all_tables()
doesn't look deeper if SELECT is present on the global level.
2ad140400c4f...
2ad140400c4fc430531c8ca77029c93e54d4fb1b
Sergei Golubchik
MDEV-36787 Error 153: No savepoint with that name upon ROLLBACK TO SAVEPOINT, assertion failure

1. InnoDB should return HA_ERR_ROLLBACK if it aborts a transaction internally
2. the server should recognize it and perform an automatic rollback
2ac9a9847022...
2ac9a9847022f972bdeece06293501237de9f084
Sergei Golubchik
MDEV-38209 REFERENCES permission on particular schema is sometimes ignored

some I_S tables require "any non-SELECT privilege on the table".
If only SELECT was granted on the global level and something non-SELECT
on the schema level, then we need to check schema level privileges
explicitly, because check_grant() doesn't do that and get_all_tables()
doesn't look deeper if SELECT is present on the global level.
296c25a29804...
296c25a2980460a0fc4d006c6afa858356a56843
Sergei Golubchik
cleanup: remove unused argument
28b09e353734...
28b09e353734d9d2fe20da3b279c9a5b0b476658
Sergei Golubchik
MDEV-34984 rr_from_cache does not update generated columns

handler read methods only update generated columns when they
read into record[0]. As rr_from_cache() reads into the cache,
it has to update them explicitly.
246396cf06cb...
246396cf06cb2b372ae028722dea52419214beb1
Sergei Golubchik
MDEV-34570 mariabackup prepare fails with data-at-rest encryption and "-u root" option

rewrite mariadb-backup "early" option parsing to use my_getopt

+ proper handling of values separated from the option by a space (not =)
+ case insensitive and -/_ insensitive comparison
- multiple --defaults-group don't work
- multiple --login-path don't work
- --incremental-dir overwrites --target-dir, not "whatever comes first"
22c8a7b865d0...
22c8a7b865d002bb1184b3d314763e3e0d70899f
nox
Make the warning message during mariadb-backup SST more useful

When the SST log archive directory cannot be created or is not writable,
the path is set to an empty string and a warning is logged.
Unfortunately, the warning is logged only after the path has been changed,
so, the following message is displayed:
> WSREP_SST: [WARNING] The '' directory is not writtable

This commit swaps the order of logging and clearing the path so that the
failing path is logged. The new output is:
> WSREP_SST: [WARNING] The '/tmp/something_invalid' directory is not writable
1a6ed4951aeb...
1a6ed4951aeba9b548c88ae04dbaa6d30583315c
Väinö Mäkelä
MDEV-32745 Add a simple MySQL to MariaDB upgrade helper

The tool is named mariadb-migrate-config-file.
The main purpose of the tool is to change MySQL option
files to work both for MySQL and MariaDB.
There are options to do the changes in the options file inline,
or at-end-of-file. One can also remove or comment unknown options.

The list of supported options is generated compile time from
mariadbd --help. All server options, including compiled plugins, are
supported.

The bulk of the code comes from Väinö.
Monty has updated it with a lot of extra options.

Other things:
- Fixed a memory leak in sql_plugin.cc
- plugin-load will now in case of errors try to load all given plugins
  before aborted
- If silent-startup is used, plugin-load will not give errors for
  plugins it cannot load or warnings about plugin marturity level.
- my_rm_tree() will now delete symlinks, not the actual file, if
  MY_NOSYMLINK flag is used.
- my_stat() will now give data for symlink if MY_NOSYMLINKS is used.

@Authors: Väinö Mäkelä <[email protected]>,[email protected]
04a163c2a882...
04a163c2a8820cddb0dc5c7909b1063d71d1c793
Sergei Golubchik
MDEV-37503 UBSAN: downcast Item_func_plus to Item_field invalid in sql_prepare.cc:1516
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