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and 'THREAD_SAFE_CLIENT'.
As of MySQL 5.5, we no longer support non-threaded
builds. This patch removes all references to the
obsolete THREAD and THREAD_SAFE_CLIENT preprocessor
symbols. These were used to distinguish between
threaded and non-threaded builds.
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remove all
EXCEPTIONS-CLIENT from all the places.
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Bug#57995: Compiler flag change build error on OSX 10.4: my_getncpus.c
Bug#57996: Compiler flag change build error on OSX 10.5 : bind.c
Bug#57994: Compiler flag change build error : my_redel.c
Bug#57993: Compiler flag change build error on FreeBsd 7.0 : regexec.c
Bug#57992: Compiler flag change build error on FreeBsd : mf_keycache.c
Bug#57997: Compiler flag change build error on OSX 10.6: debug_sync.cc
Fix assorted compiler generated warnings.
cmd-line-utils/readline/bind.c:
Bug#57996: Compiler flag change build error on OSX 10.5 : bind.c
Initialize variable to work around a false positive warning.
include/m_string.h:
Bug#57994: Compiler flag change build error : my_redel.c
The expansion of stpcpy (in glibc) causes warnings if the
return value of strmov is not being used. Since stpcpy is
a GNU extension and the expansion ends up using a built-in
provided by GCC, use the compiler provided built-in directly
when possible.
include/my_compiler.h:
Define a dummy MY_GNUC_PREREQ when not compiling with GCC.
libmysql/libmysql.c:
Bug#58057: 5.1 libmysql/libmysql.c unused variable/compile failure
Variable might not be used in some cases. So, tag it as unused.
mysys/mf_keycache.c:
Bug#57992: Compiler flag change build error on FreeBsd : mf_keycache.c
Use UNINIT_VAR to work around a false positive warning.
mysys/my_getncpus.c:
Bug#57995: Compiler flag change build error on OSX 10.4: my_getncpus.c
Declare variable in the same block where it is used.
regex/regexec.c:
Bug#57993: Compiler flag change build error on FreeBsd 7.0 : regexec.c
Work around a compiler bug which causes the cast to not be enforced.
sql/debug_sync.cc:
Bug#57997: Compiler flag change build error on OSX 10.6: debug_sync.cc
Use UNINIT_VAR to work around a false positive warning.
sql/handler.cc:
Use UNINIT_VAR to work around a false positive warning.
sql/slave.cc:
Use UNINIT_VAR to work around a false positive warning.
sql/sql_partition.cc:
Use UNINIT_VAR to work around a false positive warning.
storage/myisam/ft_nlq_search.c:
Use UNINIT_VAR to work around a false positive warning.
storage/myisam/mi_create.c:
Use UNINIT_VAR to work around a false positive warning.
storage/myisammrg/myrg_open.c:
Use UNINIT_VAR to work around a false positive warning.
tests/mysql_client_test.c:
Change function to take a pointer to const, no need for a cast.
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The autotools-based build system has been superseded and
is being removed in order to ease the maintenance burden on
developers tweaking and maintaining the build system.
In order to support tools that need to extract the server
version, a new file that (only) contains the server version,
called VERSION, is introduced. The file contents are human
and machine-readable. The format is:
MYSQL_VERSION_MAJOR=5
MYSQL_VERSION_MINOR=5
MYSQL_VERSION_PATCH=8
MYSQL_VERSION_EXTRA=-rc
The CMake based version extraction in cmake/mysql_version.cmake
is changed to extract the version from this file. The configure
to CMake wrapper is retained for backwards compatibility and to
support the BUILD/ scripts. Also, a new a makefile target
show-dist-name that prints the server version is introduced.
VERSION:
Add top-level version file.
cmake/mysql_version.cmake:
Get version information from the top-level VERSION file.
Do not cache the version components (MAJOR_VERSION, etc).
Add MYSQL_RPM_VERSION as a replacement for MYSQL_U_SCORE_VERSION.
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connectors plugins
Implemented changes needed to keep the client plugin API compatible with
the existing plugins :
1. Provided an options() client plugin API to let the application pass
options to the plugin after loading it
2. Added "License" (const char *) to specify the client plugin's license
3. Added "mysql_api" as a placeholder that the client library can use
to pass function pointers to the plugin so that the plugin can call the
C lib back.
4. Updated the existing client plugins to comply with the API change.
5. Added more detailed error message generation for Windows.
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The problem was that mysql_stmt_next_result() (new to 5.5)
was not properly updated.
libmysql/libmysql.c:
mysql_stmt_next_result() modified: set mysql->status= MYSQL_STATUS_STATEMENT_GET_RESULT before return
if there is a result set.
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for a prepared statement.
include/mysql.h:
enumerator MYSQL_STATUS_STATEMENT_GET_RESULT was added
into mysql_status enum.
include/mysql.h.pp:
enumerator MYSQL_STATUS_STATEMENT_GET_RESULT was added
into mysql_status enum.
libmysql/libmysql.c:
Introduce a separate mysql state to distinguish the situation
when we have a binary result set pending on the server from the
situation when the result set is in text protocol.
execute() modified: if mysql->status == MYSQL_STATUS_GET_RESULT
before return then set it to value MYSQL_STATUS_STATEMENT_GET_RESULT.
stmt_read_row_unbuffered() and mysql_stmt_store_result()
were modified: added checking for mysql->status against
MYSQL_STATUS_STATEMENT_GET_RESULT value instead of MYSQL_STATUS_GET_RESULT.
tests/mysql_client_test.c:
added test_bug47485()
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Fixing copyright text.
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Merged the implementation to a new base tree.
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Remove unused string functions.
include/m_string.h:
Remove prototypes for unused string functions and for functions
that do not exist anymore.
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Remove unused macros or macro which are always defined.
include/my_global.h:
Remove unused macros and move macros which aren't used globally.
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Remove the ancient and dead raid code. By now, even the server side
has been removed.
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Remove unused source code and associated paraphernalia.
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Remove Windows related files which aren't used anymore.
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Remove unused variables.
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Remove VMS specific code.
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Remove MS-DOS specific code.
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Remove Netware specific code.
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Post-merge fix: remove reference to file that is now gone.
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Essentially, the problem is that safemalloc is excruciatingly
slow as it checks all allocated blocks for overrun at each
memory management primitive, yielding a almost exponential
slowdown for the memory management functions (malloc, realloc,
free). The overrun check basically consists of verifying some
bytes of a block for certain magic keys, which catches some
simple forms of overrun. Another minor problem is violation
of aliasing rules and that its own internal list of blocks
is prone to corruption.
Another issue with safemalloc is rather the maintenance cost
as the tool has a significant impact on the server code.
Given the magnitude of memory debuggers available nowadays,
especially those that are provided with the platform malloc
implementation, maintenance of a in-house and largely obsolete
memory debugger becomes a burden that is not worth the effort
due to its slowness and lack of support for detecting more
common forms of heap corruption.
Since there are third-party tools that can provide the same
functionality at a lower or comparable performance cost, the
solution is to simply remove safemalloc. Third-party tools
can provide the same functionality at a lower or comparable
performance cost.
The removal of safemalloc also allows a simplification of the
malloc wrappers, removing quite a bit of kludge: redefinition
of my_malloc, my_free and the removal of the unused second
argument of my_free. Since free() always check whether the
supplied pointer is null, redudant checks are also removed.
Also, this patch adds unit testing for my_malloc and moves
my_realloc implementation into the same file as the other
memory allocation primitives.
client/mysqldump.c:
Pass my_free directly as its signature is compatible with the
callback type -- which wasn't the case for free_table_ent.
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Apart strict-aliasing warnings, fix the remaining warnings
generated by GCC 4.4.4 -Wall and -Wextra flags.
One major source of warnings was the in-house function my_bcmp
which (unconventionally) took pointers to unsigned characters
as the byte sequences to be compared. Since my_bcmp and bcmp
are deprecated functions whose only difference with memcmp is
the return value, every use of the function is replaced with
memcmp as the special return value wasn't actually being used
by any caller.
There were also various other warnings, mostly due to type
mismatches, missing return values, missing prototypes, dead
code (unreachable) and ignored return values.
BUILD/SETUP.sh:
Remove flags that are implied by -Wall and -Wextra.
Do not warn about unused parameters in C++.
BUILD/check-cpu:
Print only the compiler version instead of verbose banner.
Although the option is gcc specific, the check was only
being used for GCC specific checks anyway.
client/mysql.cc:
bcmp is no longer defined.
client/mysqltest.cc:
Pass a string to function expecting a format string.
Replace use of bcmp with memcmp.
cmd-line-utils/readline/Makefile.am:
Always define _GNU_SOURCE when compiling GNU readline.
Required to make certain prototypes visible.
cmd-line-utils/readline/input.c:
Condition for the code to be meaningful.
configure.in:
Remove check for bcmp.
extra/comp_err.c:
Use appropriate type.
extra/replace.c:
Replace use of bcmp with memcmp.
extra/yassl/src/crypto_wrapper.cpp:
Do not ignore the return value of fgets. Retrieve the file
position if fgets succeed -- if it fails, the function will
bail out and return a error.
extra/yassl/taocrypt/include/blowfish.hpp:
Use a single array instead of accessing positions of the sbox_
through a subscript to pbox_.
extra/yassl/taocrypt/include/runtime.hpp:
One definition of such functions is enough.
extra/yassl/taocrypt/src/aes.cpp:
Avoid potentially ambiguous conditions.
extra/yassl/taocrypt/src/algebra.cpp:
Rename arguments to avoid shadowing related warnings.
extra/yassl/taocrypt/src/blowfish.cpp:
Avoid potentially ambiguous conditions.
extra/yassl/taocrypt/src/integer.cpp:
Do not define type within a anonymous union.
Use a variable to return a value instead of
leaving the result in a register -- compiler
does not know the logic inside the asm.
extra/yassl/taocrypt/src/misc.cpp:
Define handler for pure virtual functions.
Remove unused code.
extra/yassl/taocrypt/src/twofish.cpp:
Avoid potentially ambiguous conditions.
extra/yassl/testsuite/test.hpp:
Function must have C language linkage.
include/m_string.h:
Remove check which relied on bcmp being defined -- they weren't
being used as bcmp is only visible when _BSD_SOURCE is defined.
include/my_bitmap.h:
Remove bogus helpers which were used only in a few files and
were causing warnings about dead code.
include/my_global.h:
Due to G++ bug, always silence false-positive uninitialized
variables warnings when compiling C++ code with G++.
Remove bogus helper.
libmysql/Makefile.shared:
Remove built-in implementation of bcmp.
mysql-test/lib/My/SafeProcess/safe_process.cc:
Cast pid to largest possible type for a process identifier.
mysys/mf_loadpath.c:
Leave space of the ending nul.
mysys/mf_pack.c:
Replace bcmp with memcmp.
mysys/my_bitmap.c:
Dead code removal.
mysys/my_gethwaddr.c:
Remove unused variable.
mysys/my_getopt.c:
Silence bogus uninitialized variable warning.
Do not cast away the constant qualifier.
mysys/safemalloc.c:
Cast to expected type.
mysys/thr_lock.c:
Silence bogus uninitialized variable warning.
sql/field.cc:
Replace bogus helper with a more appropriate logic which is
used throughout the code.
sql/item.cc:
Remove bogus logical condition which always evaluates to TRUE.
sql/item_create.cc:
Simplify code to avoid signedness related warnings.
sql/log_event.cc:
Replace use of bcmp with memcmp.
No need to use helpers for simple bit operations.
sql/log_event_old.cc:
Replace bmove_align with memcpy.
sql/mysqld.cc:
Move use declaration of variable to the ifdef block where it
is used. Remove now-unnecessary casts and arguments.
sql/set_var.cc:
Replace bogus helpers with simple and classic bit operations.
sql/slave.cc:
Cast to expected type and silence bogus warning.
sql/sql_class.h:
Don't use enum values as bit flags, the supposed type safety is
bogus as the combined bit flags are not a value in the enumeration.
sql/udf_example.c:
Only declare variable when necessary.
sql/unireg.h:
Replace use of bmove_align with memcpy.
storage/innobase/os/os0file.c:
Silence bogus warning.
storage/myisam/mi_open.c:
Remove bogus cast, DBUG_DUMP expects a pointer to unsigned
char.
storage/myisam/mi_page.c:
Remove bogus cast, DBUG_DUMP expects a pointer to unsigned
char.
strings/bcmp.c:
Remove built-in bcmp.
strings/ctype-ucs2.c:
Silence bogus warning.
tests/mysql_client_test.c:
Use a appropriate type as expected by simple_command().
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conflicts:
conflict include/my_alarm.h
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POSIX requires that a signal handler defined with sigaction()
is not reset on delivering a signal unless SA_NODEFER or
SA_RESETHAND is set. It is therefore unnecessary to redefine
the handler on signal delivery on platforms where sigaction()
is used without those flags.
include/my_alarm.h:
Renamed DONT_REMEMBER_SIGNAL ->
SIGNAL_HANDLER_RESET_ON_DELIVERY.
include/my_global.h:
Renamed DONT_REMEMBER_SIGNAL ->
SIGNAL_HANDLER_RESET_ON_DELIVERY. The latter is now defined
only on non-BSD platforms missing the POSIX sigaction()
function.
libmysql/libmysql.c:
Renamed DONT_REMEMBER_SIGNAL ->
SIGNAL_HANDLER_RESET_ON_DELIVERY
mysys/thr_alarm.c:
Renamed DONT_REMEMBER_SIGNAL ->
SIGNAL_HANDLER_RESET_ON_DELIVERY
sql/mysqld.cc:
Renamed DONT_REMEMBER_SIGNAL ->
SIGNAL_HANDLER_RESET_ON_DELIVERY
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automatic reconnect
A client with automatic reconnect enabled will see the error
message "Lost connection to MySQL server during query" if the
connection is lost between mysql_stmt_prepare() and
mysql_stmt_execute(). The mysql_stmt_errno() number, however,
is 0 -- not the corresponding value 2013.
This patch checks for the case where the prepared statement
has been pruned due to a connection loss (i.e., stmt->mysql
has been set to NULL) during a call to cli_advanced_command(),
and avoids changing the last_errno to the result of the last
reconnect attempt.
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Fix libmysqlclient_r symlinks.
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Remove libmysqld-debug.a, it doesn't exist in current packages?
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