| Commit message (Collapse) | Author | Age | Files | Lines |
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Added lf_hash_size() macro, so that callers don't need to use atomic
operations.
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Added Atomic_counter class to replace big set of atomic operations uses
in InnoDB, as well as in the server.
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certificate(private key,CRL,etc)
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SIGHUP causes debug info in the error log and reload of
logs/privileges/tables/etc. The server should only do it when
a user intentionally sends SUGHUP, not when a parent terminal gets
disconnected or something.
In particular, not ignoring kernel SIGHUP causes FLUSH PRIVILEGES
at some random point during non-systemd Debian upgrades (Debian
restarts mysqld, debian-start script runs mysql_upgrade in the background,
postinit script ends and kernel sends SIGHUP to all background processes
it has started). And during mysql_upgrade privilege tables aren't
necessarily ready to be reloaded.
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Service added to handle json.
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Current implementation is conflicting. If `UNICODE` is defined, `FormatMessage()` will be `FormatMessageW()`, and variable `win_errormsg` with type `char` can not be passed to it, which should be changed to `TCHAR` instead. Since we don't use UNICODE here, we can use `FormatMessageA()` directly to avoid conversion error.
```
my_global.h(1092): error C2664: 'DWORD FormatMessageW(D
WORD,LPCVOID,DWORD,DWORD,LPWSTR,DWORD,va_list *)' : cannot convert argument 5 from 'char [2048]' to 'LPWSTR'
```
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allowed select nest level
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time type
MDEV-17625 Different warnings when comparing a garbage to DATETIME vs TIME
- Splitting processes of data type conversion (to TIME/DATE,DATETIME)
and warning generation.
Warning are now only get collected during conversion (in an "int" variable),
and are pushed in the very end of conversion (not in parallel).
Warnings generated by the low level routines str_to_xxx() and number_to_xxx()
can now be changed at the end, when TIME_FUZZY_DATES is applied,
from "Invalid value" to "Truncated invalid value".
Now "Illegal value" is issued only when the low level routine returned
an error and TIME_FUZZY_DATES was not set. Otherwise, if the low level
routine returned "false" (success), or if NULL was converted to a zero
datetime by TIME_FUZZY_DATES, then "Truncated illegal value"
is issued. This gives better warnings.
- Methods Type_handler::Item_get_date() and
Type_handler::Item_func_hybrid_field_type_get_date() now only
convert and collect warning information, but do not push warnings.
- Changing the return data type for Type_handler::Item_get_date()
and Type_handler::Item_func_hybrid_field_type_get_date() from
"bool" to "void". The conversion result (success vs error) can be
checked by testing ltime->time_type. MYSQL_TIME_{NONE|ERROR}
mean mean error, other values mean success.
- Adding new wrapper methods Type_handler::Item_get_date_with_warn() and
Type_handler::Item_func_hybrid_field_type_get_date_with_warn()
to do conversion followed by raising warnings, and changing
the code to call new Type_handler::***_with_warn() methods.
- Adding a helper class Temporal::Status, a wrapper
for MYSQL_TIME_STATUS with automatic initialization.
- Adding a helper class Temporal::Warn, to collect warnings
but without actually raising them. Moving a part of ErrConv
into a separate class ErrBuff, and deriving both Temporal::Warn
and ErrConv from ErrBuff. The ErrBuff part of Temporal::Warn
is used to collect textual representation of the input data.
- Adding a helper class Temporal::Warn_push. It's used
to collect warning information during conversion, and
automatically pushes warnings to the diagnostics area
on its destructor time (in case of non-zero warning).
- Moving more code from various functions inside class Temporal.
- Adding more Temporal_hybrid constructors and
protected Temporal methods make_from_xxx(),
which convert and only collect warning information, but do not
actually raise warnings.
- Now the low level functions str_to_datetime() and str_to_time()
always set status->warning if the return value is "true" (error).
- Now the low level functions number_to_time() and number_to_datetime()
set the "*was_cut" argument if the return value is "true" (error).
- Adding a few DBUG_ASSERTs to make sure that str_to_xxx() and
number_to_xxx() always set warnings on error.
- Adding new warning flags MYSQL_TIME_WARN_EDOM and MYSQL_TIME_WARN_ZERO_DATE
for the code symmetry. Before this change there was a special
code path for (rc==true && was_cut==0) which was treated by
Field_temporal::store_invalid_with_warning as "zero date violation".
Now was_cut==0 always means that there are no any error/warnings/notes
to be raised, not matter what rc is.
- Using new Temporal_hybrid constructors in combination with
Temporal::Warn_push inside str_to_datetime_with_warn(),
double_to_datetime_with_warn(), int_to_datetime_with_warn(),
Field::get_date(), Item::get_date_from_string(), and a few other places.
- Removing methods Dec_ptr::to_datetime_with_warn(),
Year::to_time_with_warn(), my_decimal::to_datetime_with_warn(),
Dec_ptr::to_datetime_with_warn().
Fixing Sec6::to_time() and Sec6::to_datetime() to
convert and only collect warnings, without raising warnings.
Now warning raising functionality resides in Temporal::Warn_push.
- Adding classes Longlong_hybrid_null and Double_null, to
return both value and the "IS NULL" flag. Adding methods
Item::to_double_null(), to_longlong_hybrid_null(),
Item_func_hybrid_field_type::to_longlong_hybrid_null_op(),
Item_func_hybrid_field_type::to_double_null_op().
Removing separate classes VInt and VInt_op, as they
have been replaced by a single class Longlong_hybrid_null.
- Adding a helper method Temporal::type_name_by_timestamp_type(),
moving a part of make_truncated_value_warning() into it,
and reusing in Temporal::Warn::push_conversion_warnings().
- Removing Item::make_zero_date() and
Item_func_hybrid_field_type::make_zero_mysql_time().
They provided duplicate functionality.
Now this code resides in Temporal::make_fuzzy_date().
The latter is now called for all Item types when data type
conversion (to DATE/TIME/DATETIME) is involved, including
Item_field and Item_direct_view_ref.
This fixes MDEV-17563: Item_direct_view_ref now correctly converts
NULL to a zero date when TIME_FUZZY_DATES says so.
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main.derived_cond_pushdown: Move all 10.3 tests to the end,
trim trailing white space, and add an "End of 10.3 tests" marker.
Add --sorted_result to tests where the ordering is not deterministic.
main.win_percentile: Add --sorted_result to tests where the
ordering is no longer deterministic.
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my_reverse_bits(): add a cast to fix a bit shift
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innodb_ft_result_cache_limit max limit
- Backported the MYSQL_SYSVAR_SIZE_T to 10.0
- The parameter innodb_ft_result_cache_limit was only 32 bits wide
also on 64-bit systems. Make it size_t, so that it will be 64 bits
on 64-bit systems.
- Added a test case that show how innodb_ft_result_cache_limit variables
behaves in 32bit and 64 bit system.
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that is used by WSREP_TO_ISOLATION_BEGIN and other galera macros,
to avoid the need for wrapping this label in #ifdef WITH_WSREP/#endif
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sql\sql_acl.cc(3114): error C2220: warning treated as error - no 'object' file generated
sql\sql_acl.cc(3114): warning C4390: ';': empty controlled statement found; is this the intent?
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Support SET PASSWORD for authentication plugins.
Authentication plugin API is extended with two optional methods:
* hash_password() is used to compute a password hash (or digest)
from the plain-text password. This digest will be stored in mysql.user
table
* preprocess_hash() is used to convert this digest into some memory
representation that can be later used to authenticate a user.
Build-in plugins convert the hash from hexadecimal or base64 to binary,
to avoid doing it on every authentication attempt.
Note a change in behavior: when loading privileges (on startup or on
FLUSH PRIVILEGES) an account with an unknown plugin was loaded with a
warning (e.g. "Plugin 'foo' is not loaded"). But such an account could
not be used for authentication until the plugin is installed. Now an
account like that will not be loaded at all (with a warning, still).
Indeed, without plugin's preprocess_hash() method the server cannot know
how to load an account. Thus, if a new authentication plugin is
installed run-time, one might need FLUSH PRIVILEGES to activate all
existing accounts that were using this new plugin.
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implementation to "inline" style
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Bump mysqldump to a version greater than that on the 10.3 branch.
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pthread_detach_this_thread() was intended to be defined to something
meaningful only on some ancient unixes, which don't have
pthread_attr_setdetachstate() defined. Otherwise, on normal unixes,
threads are created detached in the first place.
This was broken in 0f01bf267680244ec488adaf65a42838756ed48e so that
we started calling pthread_detach() for already detached threads.
Intention was to detach aria checkpoint thread.
However in 87007dc2f71634cc460271eb277ad851ec69c04b aria service threads
were made joinable with appropriate handling, which makes breaking
revision unneccessary.
Revert remnants of 0f01bf267680244ec488adaf65a42838756ed48e, so that
pthread_detach_this_thread() is meaningful only on some ancient unixes
again.
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"inline" style
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TIME-alike argument
Problems:
Functions LEAST() and GREATEST() in TIME context, as well as functions
TIMESTAMP(a,b) and ADDTIME(a,b), returned confusing results when the
input TIME-alike value in a number or in a string was out of the TIME
supported range.
In case of TIMESTAMP(a,b) and ADDTIME(a,b), the second argument
value could get extra unexpected digits. For example, in:
ADDTIME('2001-01-01 00:00:00', 10000000) or
ADDTIME('2001-01-01 00:00:00', '1000:00:00')
the second argument was converted to '838:59:59.999999'
with six fractional digits, which contradicted "decimals"
previously set to 0 in fix_length_and_dec().
These unexpected fractional digits led to confusing function results.
Changes:
1. GREATEST(), LEAST()
- fixing Item_func_min_max::get_time_native()
to respect "decimals" set by fix_length_and_dec().
If a value of some numeric or string time-alike argument
goes outside of the TIME range and gets limited to '838:59:59.999999',
it's now right-truncated to the correct fractional precision.
- fixing, Type_handler_temporal_result::Item_func_min_max_fix_attributes()
to take into account arguments' time_precision() or datetime_precision(),
rather than rely on "decimals" calculated by the generic implementation
in Type_handler::Item_func_min_max_fix_attributes(). This makes
GREATEST() and LEAST() return better data types, with the same
fractional precision with what TIMESTAMP(a,b) and ADDTIME(a,b) return
for the same arguments, and with DATE(a) and TIMESTAMP(a).
2. Item_func_add_time and Item_func_timestamp
It was semantically wrong to apply the limit of the TIME data type
to the argument "b", which plays the role of "INTERVAL DAY TO SECOND" here.
Changing the code to fetch the argument "b" as INTERVAL rather than as TIME.
The low level routine calc_time_diff() now gets the interval
value without limiting to '838:59:59.999999', so in these examples:
ADDTIME('2001-01-01 00:00:00', 10000000)
ADDTIME('2001-01-01 00:00:00', '1000:00:00')
calc_time_diff() gets '1000:00:00' as is. The SQL function result
now gets limited to the supported result data type range
(datetime or time) inside calc_time_diff(), which now calculates
the return value using the real fractional digits that
came directly from the arguments (without the effect of limiting
to the TIME range), so the result does not have any unexpected
fractional digits any more.
Detailed changes in TIMESTAMP() and ADDTIME():
- Adding a new class Interval_DDhhmmssff. It's similar to Time, but:
* does not try to parse datetime format, as it's not needed for
functions TIMESTAMP() and ADDTIME().
* does not cut values to '838:59:59.999999'
The maximum supported Interval_DDhhmmssff's hard limit is
'UINT_MAX32:59:59.999999'. The maximum used soft limit is:
- '87649415:59:59.999999' (in 'hh:mm:ss.ff' format)
- '3652058 23:59:59.999999' (in 'DD hh:mm:ss.ff' format)
which is a difference between:
- TIMESTAMP'0001-01-01 00:00:00' and
- TIMESTAMP'9999-12-31 23:59:59.999999'
(the minimum datetime that supports arithmetic, and the
maximum possible datetime value).
- Fixing get_date() methods in the classes related to functions
ADDTIME(a,b) and TIMESTAMP(a,b) to use the new class Interval_DDhhmmssff
for fetching data from the second argument, instead of get_date().
- Fixing fix_length_and_dec() methods in the classes related
to functions ADDTIME(a,b) and TIMESTAMP(a,b) to use
Interval_DDhhmmssff::fsp(item) instead of item->time_precision()
to get the fractional precision of the second argument correctly.
- Splitting the low level function str_to_time() into smaller pieces
to reuse the code. Adding a new function str_to_DDhhmmssff(), to
parse "INTERVAL DAY TO SECOND" values.
After these changes, functions TIMESTAMP() and ADDTIME()
return much more predictable results, in terms of fractional
digits, and in terms of the overall result.
The full ranges of DATETIME and TIME values are now covered by TIMESTAMP()
and ADDTIME(), so the following can now be calculated:
SELECT ADDTIME(TIMESTAMP'0001-01-01 00:00:00', '87649415:59:59.999999');
-> '9999-12-31 23:59:59.999999'
SELECT TIMESTAMP(DATE'0001-01-01', '87649415:59:59.999999')
-> '9999-12-31 23:59:59.999999'
SELECT ADDTIME(TIME'-838:59:59.999999', '1677:59:59.999998');
-> '838:59:59.999999'
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- remove function prototype for shared memory (no more used), and VIO
members that are unused
- Do not call DisconnectNamedPipe on pipe handle. CloseHandle() is enough.
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