Store decimal 0.0 in zero bytes in dynamic strings.
mysqltest: Don't ignore error from mysql_stmt_fetch;  This could cause rows to be missing from log when running with --ps-protocol
Fixed wrong result length for CAST(... as TIME)






client/mysqltest.cc:
  Don't ignore error from mysql_stmt_fetch;  This could cause rows to be missing from log when running with --ps-protocol
libmysql/libmysql.c:
  The max length for a TIME column is 17, not 15.
mysql-test/r/dyncol.result:
  More tests
mysql-test/t/dyncol.test:
  More tests
mysys/ma_dyncol.c:
  Check content of decimal value on read and store to not get assert in decimal_bin_size().
  Store decimal 0.0 in zero bytes in dynamic strings. This also solves a problem where decimal 0 had different internal representations.
sql-common/my_time.c:
  Fixed DBUG_PRINT
sql/item_timefunc.h:
  Fixed wrong result length for CAST(... as TIME). This was the cause of failures in buildbot when doing cast(... as time);
sql/protocol.cc:
  More DBUG_PRINT

Fixed a memory overrun in dynamic columns when sending in a mailformed (too short in this case) string.

mysql-test/t/dyncol.test:
  Added test case for mailformed string usage
mysys/ma_dyncol.c:
  Added test for wrong dynamic string data

mysql-test/r/dyncol.result:
  Updated test results
mysql-test/r/index_intersect.result:
  Updated results
mysql-test/r/index_intersect_innodb.result:
  Updated results
mysql-test/t/dyncol.test:
  Added replace_result for floating point results that are different on windows
  Added round() around a result to get same result on all platforms.
mysql-test/t/index_intersect.test:
  Added replace_result to fix that index_merge may put key names in different order.
mysys/ma_dyncol.c:
  Fixed compiler warnings on Solaris
sql/key.cc:
  Fixed compiler warnings on Solaris
sql/mysqld.cc:
  Fixed compiler warning on windows
support-files/compiler_warnings.supp:
  Suppressed an unintersting warning on Solaris

Fix various warnings about conversion from bigger to smaller integer types in assignments

Bugs fixed:
- Added automatic detection of unsigned arguments to COLUMN_CREATE()
- If string length is not know for COLUMN_GET() use MAX_DYNAMIC_COLUMN_LENGTH instead of MAX_FIELD_BLOBLENGTH
- null_value flag was not propery reset for COLUMN_LIST() and COLUMN_CREATE() which could lead to crashes later:
- lp:778905 Assertion `value->year <= 9999' failed in dynamic_column_date_store
- lp:778912 Assertion `field_pos < field_count' failed in Protocol_text::store in maria-5.3-mwl34

include/ma_dyncol.h:
  Added define for max dynamic column length.
mysql-test/r/cast.result:
  Added test of cast big unsigned int to signed (this test case was missing)
mysql-test/r/dyncol.result:
  Added tests from reported bugs
  Added testing of automatic store of signed/unsigned integers
mysql-test/t/cast.test:
  Added test of cast big unsigned int to signed (this test case was missing)
mysql-test/t/dyncol.test:
  Added tests from reported bugs
  Added testing of automatic store of signed/unsigned integers
sql/item.cc:
  Added assert to catch cases where null_value is not set properly
sql/item_strfunc.cc:
  Added automatic detection of unsigned arguments to COLUMN_CREATE()
  COLUMN_GET() returned wrong value for illegal strings which lead to assert later
  null_value flag was not propery reset for COLUMN_LIST() and COLUMN_CREATE() which could lead to crashes later.
sql/item_strfunc.h:
  If string length is not know for COLUMN_GET() use MAX_DYNAMIC_COLUMN_LENGTH

(Test failed if we added my_sleep(200000) in event_queue::cond_wait() just before pthread_cond_wait();  Not likely scenario but better to get that fixed too)

Fixed race condition in event that could cause hang when stopping event scheduler with SET GLOBAL event_scheduler=OFF 

client/mysqltest.cc:
  Write command to be executed to the log BEFORE executing the command.
  This makes it easier to debug crashes as the log will contain the fatal command.
mysql-test/r/mysqltest.result:
  Updated results (we now get more things logged)
sql/event_queue.cc:
  Fixed race condition in event that could cause hang when stopping event scheduler with SET GLOBAL event_scheduler=OFF.
  The reason was that a kill signal could be sent between last check of thd->killed and before thd->enter_cond() in which case the signal
  would be missed and we would be stuck in Event_scheduler::stop() forever.

- COLUMN_CREATE(column_nr, value, [column_nr,value]...)
- COLUMN_ADD(blob,column_nr, value, column_nr,value]...)
- COLUMN_DELETE(blob, column_nr, column_nr...)
- COLUMN_EXISTS(blob, column_nr)
- COLUMN_LIST(blob, column_nr)
- COLUMN_GET(string, column_nr AS type)

Added cast(X as DOUBLE) and cast(x as INT)
Better warning and error messages for wrong cast's
Created some sub functions to simplify and reuse code.
Added a lot of conversation functions with error/warnings for what went wrong.
Fixed some issues when casting time to datetime.
Added functions to dynamic strings and Strings to allow one to move a string buffer from dynamic strings to String (to save malloc+ copy)
Added dynamic columns library to libmysqlclient


include/Makefile.am:
  Added ma_dyncol.h
include/decimal.h:
  Added 'const' to arguments for some functions.
include/my_sys.h:
  Added dynstr_reassociate()
include/my_time.h:
  Added TIME_SUBSECOND_RANGE
  Added double_to_datetime()
  Added flag argument to str_to_time()
libmysql/CMakeLists.txt:
  Added mysys/ma_dyncol.c
libmysql/Makefile.shared:
  Added ma_dyncol
libmysql/libmysql.c:
  Added argument to str_to_time()
mysql-test/r/bigint.result:
  Better error messages
mysql-test/r/cast.result:
  Better warning and error messages
  A lot of new cast() tests
mysql-test/r/func_math.result:
  Better warning messages
mysql-test/r/func_str.result:
  Better warning messages
mysql-test/r/func_time.result:
  Better warning messages
mysql-test/r/sp-vars.result:
  Better warning messages
mysql-test/r/strict.result:
  Better warning messages
  New test result
mysql-test/r/type_newdecimal.result:
  Better warning messages
mysql-test/r/warnings.result:
  Better warning messages
mysql-test/suite/funcs_1/r/innodb_func_view.result:
  Updated results after better cast warnings
mysql-test/suite/funcs_1/r/memory_func_view.result:
  Updated results after better cast warnings
mysql-test/suite/funcs_1/r/myisam_func_view.result:
  Updated results after better cast warnings
mysql-test/suite/optimizer_unfixed_bugs/t/bug43448.test:
  Added begin...commit to speed up test.
mysql-test/suite/parts/inc/part_supported_sql_funcs_delete.inc:
  Added begin...commit to speed up test.
mysql-test/suite/parts/inc/partition_supported_sql_funcs.inc:
  Added begin...commit to speed up test.
mysql-test/suite/parts/r/part_supported_sql_func_innodb.result:
  Added begin...commit to speed up test.
mysql-test/suite/parts/r/part_supported_sql_func_myisam.result:
  Added begin...commit to speed up test.
mysql-test/suite/parts/r/rpl_partition.result:
  Added begin...commit to speed up test.
mysql-test/suite/parts/t/part_supported_sql_func_innodb.test:
  Removed duplicated --big_test
mysql-test/suite/parts/t/rpl_partition.test:
  Added begin...commit to speed up test.
mysql-test/suite/pbxt/r/cast.result:
  Updated results after better cast warnings
mysql-test/suite/pbxt/r/func_str.result:
  Updated results after better cast warnings
mysql-test/suite/pbxt/r/type_newdecimal.result:
  Updated results after better cast warnings
mysql-test/suite/rpl/r/rpl_innodb_bug28430.result:
  Added begin...commit to speed up test.
mysql-test/suite/rpl/t/rpl_innodb_bug28430.test:
  Added begin...commit to speed up test.
mysql-test/suite/vcol/r/vcol_supported_sql_funcs_innodb.result:
  More warnings
mysql-test/suite/vcol/r/vcol_supported_sql_funcs_myisam.result:
  More warnings
mysql-test/t/cast.test:
  A lot of new cast() tests
mysql-test/t/strict.test:
  Added new test
mysys/CMakeLists.txt:
  Added ma_dyncol.c
mysys/Makefile.am:
  Added ma_dyncol.c
mysys/string.c:
  Added dynstr_reassociate() to move a buffer from dynamic_strings to some other allocator
sql-common/my_time.c:
  Added 'fuzzydate' flag to str_to_time()
  Added support for microseconds to my_time_to_str() and my_datetime_to_str()
  Reset second_parts in number_to_datetime()
  Added double_to_datetime()
sql/field.cc:
  Added double_to_longlong() and truncate_double() to simplify and reuse code
sql/field.h:
  New prototypes
sql/item.cc:
  Changed Item::get_date(MYSQL_TIME *ltime,uint fuzzydate) to be aware of type of argument.
  (Needed to make it microsecond safe and get better warnings).
  Updated call to str_to_time_with_warn()
sql/item.h:
  Added struct st_dyncall_create_def used by dynamic columns
  Added virtual bool dynamic_result() to tell if type of argument may change over calls.
sql/item_cmpfunc.cc:
  Added Item_func_dyncol_exists()
sql/item_cmpfunc.h:
  Added class Item_func_dyncol_exists
sql/item_create.cc:
  Added get_length_and_scale() to simplify other functions
  Simplified and extended create_func_cast()
  Added support for cast(X as double(X,Y))
  Added functions to create dynamic column functions.
sql/item_create.h:
  Added prototypes
sql/item_func.cc:
  Extended cast functions Item_func_signed() and Item_func_unsigned() to work with dynamic types
  Added Item_double_typecast()
sql/item_func.h:
  Added class Item_double_typecast()
sql/item_strfunc.cc:
  Added functions for COLUMN_CREATE(), COLUMN_ADD(), COLUMN_GET() and COLUMN_LIST()
sql/item_strfunc.h:
  Added classes for COLUMN_CREATE(), COLUMN_ADD(), COLUMN_GET() and COLUMN_LIST()
sql/item_timefunc.cc:
  Added flag argument to str_to_time_with_warn()
  Updated Item_char_typecast() to handle result type that may change between calls (for dynamic columns)
  Added Item_time_typecast::get_date() to ensure that we cast a datetime to time properly.
sql/item_timefunc.h:
  Added get_date() to Item_time_typecast() to allow proper results for casting time to datetime
sql/lex.h:
  Added new SQL function names
sql/my_decimal.cc:
  Added 'const' to some arguments.
  Better error message in case of errors (we now print out the wrong value)
  Added my_decimal2int()
sql/my_decimal.h:
  Moved some constants to my_decimal_limits.h
  Updated prototypes.
  Made my_decimal2int() a function as it's rather long (no reason to have it inline)
  Added decimal2my_decimal() function.
sql/mysql_priv.h:
  Prototypes for new functions
sql/share/errmsg.txt:
  New error messages for wrong casts and dynamic columns
sql/sql_acl.cc:
  Fixed indentation
sql/sql_base.cc:
  Added dynamic_column_error_message()
sql/sql_string.h:
  Added reassociate() to move a buffer to be owned by String object.
sql/sql_yacc.yy:
  Added syntax for COLUMN_ functions.
sql/time.cc:
  Updated str_to_datetime_with_warn() flag argument to same type as other functions
  Added conversion flag to str_to_time_with_warn() (Similar to all datetime functions)
  Added conversion functions with warnings: double_to_datetime_with_warn() and decimal_to_datetime_with_warn()
strings/decimal.c:
  Added 'const' to arguments for some functions.
unittest/mysys/Makefile.am:
  Added test for dynamic columns code

Reverted unittest/unit.pl back to Test::Harness as some of our build machines didn't support the new recommended TAP::Harness module

unittest/mytap/tap.c:
  Fixed output for some tests that didn't call plan()

MWL#180: Merge bugfix from 5.2 to 5.3 codebase + really fix version from which mariadb supports binlog checksums.

storage/maria/unittest/ma_test_loghandler-t.c:
  Don't sync during test
storage/maria/unittest/ma_test_loghandler_multigroup-t.c:
  Don't sync during test
storage/maria/unittest/ma_test_loghandler_multithread-t.c:
  Don't sync during test
unittest/mysys/bitmap-t.c:
  Don't test all bit combinations (not needed)
unittest/mysys/thr_template.c:
  Remove sleep as old bug should be fixed nowadays
unittest/mysys/waiting_threads-t.c:
  Only run test with --big
unittest/mytap/tap.c:
  Print total time at end of test.
unittest/unit.pl:
  Use TAP::Harness instead of Test::Harness (recommended according to manual)
  Add times to tests.

If the value of the flag cond_false of an Item_equal object is
true then the print method must return the string '0'.

Fixed compiler warnings

client/readline.cc:
  Fixed compiler warning
mysql-test/suite/innodb/t/innodb_bug60049.test:
  This test failed when running with --mysqld=--loose-innodb-fast-shutdown=2 which we do on some machines
mysql-test/t/mysqldump.test:
  Only run test if utf8 is used
sql/log.cc:
  Fixed compiler warning
sql/mysql_priv.h:
  Fixed compiler warnings
tests/mysql_client_test.c:
  Don't abort test if ucs2 is not in use.

Fixed compiler warnings

client/readline.cc:
  Fixed compiler warning
mysql-test/t/mysqldump.test:
  Only run test if utf8 is used
sql/log.cc:
  Fixed compiler warning
sql/mysql_priv.h:
  Fixed compiler warnings
tests/mysql_client_test.c:
  Don't abort test if ucs2 is not in use.

The third parameter in the call of make_cond_for_table() that
built the pushed condition containing only outer references
was incorrect. This condition appeared for the first time in
the patch fixing bug 729039.
  

into 5.1

The reason for mtr warning is that collect_mysqld_features() starts mysqld with --datadir=/tmp and this 
directory does not exist on Windows.

Fix : instead of passing --datadir=$opt_vardir/tmp in collect_mysqld_features() just use --datadir=.
mysqld does not need a correct directory, just an existing one, as it is started with --help ---verbose -skip-grant-tables.

MWL#180: merge fixes from 5.2-rpl + forgot to adjust revision from which checksums are supported when merging into 5.3-based tree.

 - Fix windows CMake build.
 - Merge some later test case fixes, to see if they solve the random rpl_checksum failure.