fixed LIMIT 0 for zero rows optimisation
mysql-test/r/subselect.result:
test case for bugreport
mysql-test/t/subselect.test:
test case for bugreport
sql/sql_select.cc:
cleanup sum function on reinit
take in account LIMIT if zero result optimisation case
do not forgot sum function in zero result case for subqueries
BitKeeper/etc/ignore:
auto-union
BitKeeper/etc/logging_ok:
auto-union
VC++Files/sql/mysqld.dsp:
Auto merged
client/Makefile.am:
Auto merged
client/mysql.cc:
Auto merged
client/mysqltest.c:
Auto merged
configure.in:
Auto merged
include/my_global.h:
Auto merged
include/my_pthread.h:
Auto merged
include/my_sys.h:
Auto merged
include/mysql_com.h:
Auto merged
libmysqld/Makefile.am:
Auto merged
libmysqld/lib_sql.cc:
Auto merged
myisam/mi_check.c:
Auto merged
myisam/myisamchk.c:
Auto merged
myisam/myisamdef.h:
Auto merged
mysql-test/install_test_db.sh:
Auto merged
mysql-test/r/insert_select.result:
Auto merged
mysql-test/r/join_outer.result:
Auto merged
mysql-test/r/null.result:
Auto merged
mysql-test/r/connect.result:
Auto merged
mysql-test/r/func_sapdb.result:
Auto merged
mysql-test/r/mix_innodb_myisam_binlog.result:
Auto merged
mysql-test/r/mysqldump.result:
Auto merged
mysql-test/r/rpl_change_master.result:
Auto merged
mysql-test/r/rpl_log.result:
Auto merged
mysql-test/r/show_check.result:
Auto merged
mysql-test/r/symlink.result:
Auto merged
mysql-test/r/rpl_flush_log_loop.result:
Auto merged
mysql-test/r/rpl_flush_tables.result:
Auto merged
mysql-test/r/rpl_loaddata.result:
Auto merged
mysql-test/r/rpl_loaddata_rule_m.result:
Auto merged
mysql-test/r/rpl_loaddata_rule_s.result:
Auto merged
mysql-test/r/rpl_max_relay_size.result:
Auto merged
mysql-test/r/rpl_reset_slave.result:
Auto merged
mysql-test/r/rpl_temporary.result:
Auto merged
mysql-test/r/rpl_until.result:
Auto merged
mysql-test/r/rpl_user_variables.result:
Auto merged
mysql-test/r/subselect.result:
Auto merged
mysql-test/r/union.result:
Auto merged
mysql-test/r/variables.result:
Auto merged
mysql-test/t/func_sapdb.test:
Auto merged
mysql-test/t/mix_innodb_myisam_binlog.test:
Auto merged
mysql-test/t/mysqlbinlog.test:
Auto merged
mysql-test/t/rpl_change_master.test:
Auto merged
mysql-test/t/rpl_log.test:
Auto merged
mysql-test/t/variables.test:
Auto merged
netware/BUILD/compile-linux-tools:
Auto merged
netware/BUILD/compile-netware-END:
Auto merged
netware/BUILD/compile-netware-all:
Auto merged
netware/BUILD/compile-netware-standard:
Auto merged
mysql-test/t/rpl_empty_master_crash.test:
Auto merged
mysql-test/t/rpl_error_ignored_table.test:
Auto merged
mysql-test/t/rpl_flush_log_loop.test:
Auto merged
mysql-test/t/rpl_loaddata.test:
Auto merged
mysql-test/t/rpl_loaddata_rule_m.test:
Auto merged
mysql-test/t/rpl_loaddata_rule_s.test:
Auto merged
mysql-test/t/rpl_max_relay_size.test:
Auto merged
mysql-test/t/rpl_openssl.test:
Auto merged
mysql-test/t/rpl_relayrotate-slave.opt:
Auto merged
mysql-test/t/rpl_reset_slave.test:
Auto merged
mysql-test/t/rpl_trunc_binlog.test:
Auto merged
mysql-test/t/rpl_until.test:
Auto merged
mysql-test/t/rpl_user_variables.test:
Auto merged
mysql-test/t/subselect.test:
Auto merged
scripts/make_binary_distribution.sh:
Auto merged
scripts/mysql_create_system_tables.sh:
Auto merged
scripts/mysql_fix_privilege_tables.sql:
Auto merged
scripts/mysql_install_db.sh:
Auto merged
sql/filesort.cc:
Auto merged
sql/ha_berkeley.cc:
Auto merged
sql/ha_berkeley.h:
Auto merged
sql/ha_innodb.h:
Auto merged
sql/ha_myisam.cc:
Auto merged
sql/handler.cc:
Auto merged
sql/handler.h:
Auto merged
sql/item.cc:
Auto merged
sql/item.h:
Auto merged
sql/item_cmpfunc.cc:
Auto merged
sql/item_cmpfunc.h:
Auto merged
sql/item_create.cc:
Auto merged
sql/item_create.h:
Auto merged
sql/item_subselect.cc:
Auto merged
sql/item_sum.cc:
Auto merged
sql/item_sum.h:
Auto merged
sql/item_timefunc.h:
Auto merged
sql/lock.cc:
Auto merged
sql/log_event.h:
Auto merged
sql/mysqld.cc:
Auto merged
sql/net_serv.cc:
Auto merged
sql/protocol.cc:
Auto merged
sql/protocol.h:
Auto merged
sql/repl_failsafe.cc:
Auto merged
sql/sql_acl.cc:
Auto merged
sql/sql_acl.h:
Auto merged
sql/sql_base.cc:
Auto merged
sql/sql_cache.cc:
Auto merged
sql/sql_class.h:
Auto merged
sql/sql_db.cc:
Auto merged
sql/sql_delete.cc:
Auto merged
sql/sql_derived.cc:
Auto merged
sql/sql_lex.h:
Auto merged
sql/sql_list.h:
Auto merged
sql/sql_load.cc:
Auto merged
sql/sql_rename.cc:
Auto merged
sql/sql_repl.cc:
Auto merged
sql/sql_repl.h:
Auto merged
sql/sql_select.cc:
Auto merged
sql/sql_select.h:
Auto merged
sql/sql_show.cc:
Auto merged
sql/sql_table.cc:
Auto merged
sql/sql_test.cc:
Auto merged
sql/sql_update.cc:
Auto merged
sql-common/client.c:
Auto merged
tests/client_test.c:
Auto merged
mysql-test/r/subselect.result:
appropriate test result
mysql-test/t/subselect.test:
test case
sql/item.cc:
we can get NULL here if the field isn't unique
sql/item.h:
Auto merged
sql/item_func.cc:
Auto merged
sql/sql_select.cc:
Auto merged
mysql-test/r/subselect.result:
resolving conflicts
mysql-test/t/subselect.test:
resolving conflicts
mysql-test/r/subselect.result:
Auto merged
mysql-test/t/subselect.test:
Auto merged
sql/item.cc:
Auto merged
sql/item_cmpfunc.cc:
Auto merged
sql/item_sum.cc:
Auto merged
sql/set_var.cc:
Auto merged
sql/sql_base.cc:
Auto merged
sql/sql_class.cc:
Auto merged
mysql-test/r/subselect.result:
test suite for BUG#2838
mysql-test/t/subselect.test:
test suite for BUG#2838
sql/item.cc:
revision of fix_fields() calls
removed unnecessary variabl, and used correct last parameter of fix_fields()
sql/item_cmpfunc.cc:
revision of fix_fields() calls (BUG#2838)
sql/item_func.cc:
revision of fix_fields() calls
sql/item_row.cc:
changed for efficience (and to be similar for Item_func::fix_fields)
sql/item_subselect.cc:
fixed last arguments for fix_fields call
sql/item_sum.cc:
layout fixed
revision of fix_fields() calls
sql/log_event.cc:
revision of fix_fields() calls
sql/set_var.cc:
revision of fix_fields() calls
sql/sql_base.cc:
revision of fix_fields() calls
sql/sql_class.cc:
revision of fix_fields() calls
sql/sql_handler.cc:
revision of fix_fields() calls
client/mysqldump.c:
Auto merged
configure.in:
Auto merged
include/m_ctype.h:
Auto merged
include/m_string.h:
Auto merged
include/my_global.h:
Auto merged
mysql-test/r/ctype_utf8.result:
Auto merged
mysql-test/r/fulltext.result:
Auto merged
mysql-test/r/subselect.result:
Auto merged
mysql-test/t/fulltext.test:
Auto merged
mysql-test/t/grant.test:
Auto merged
mysql-test/t/subselect.test:
Auto merged
mysql-test/t/union.test:
Auto merged
sql/field.cc:
Auto merged
sql/field.h:
Auto merged
sql/item.cc:
Auto merged
sql/item_func.cc:
Auto merged
sql/item_strfunc.cc:
Auto merged
sql/mysql_priv.h:
Auto merged
sql/set_var.cc:
Auto merged
sql/sql_acl.cc:
Auto merged
sql/sql_class.h:
Auto merged
sql/sql_parse.cc:
Auto merged
sql/share/english/errmsg.txt:
Auto merged
sql/sql_select.cc:
Auto merged
sql/sql_show.cc:
Auto merged
sql/sql_string.cc:
Auto merged
sql/sql_table.cc:
Auto merged
sql/sql_yacc.yy:
Auto merged
strings/ctype-mb.c:
Auto merged
strings/ctype-simple.c:
Auto merged
mysql-test/r/warnings.result:
Fix error numbers after merge
sql/share/czech/errmsg.txt:
Add missing ',' and fix typo
sql/share/danish/errmsg.txt:
Add missing ',' and fix typo
sql/share/dutch/errmsg.txt:
Add missing ',' and fix typo
sql/share/estonian/errmsg.txt:
Add missing ',' and fix typo
sql/share/french/errmsg.txt:
Add missing ',' and fix typo
sql/share/german/errmsg.txt:
Add missing ',' and fix typo
sql/share/greek/errmsg.txt:
Add missing ',' and fix typo
sql/share/hungarian/errmsg.txt:
Add missing ',' and fix typo
sql/share/italian/errmsg.txt:
Add missing ',' and fix typo
sql/share/japanese/errmsg.txt:
Add missing ',' and fix typo
sql/share/korean/errmsg.txt:
Add missing ',' and fix typo
sql/share/norwegian-ny/errmsg.txt:
Add missing ',' and fix typo
sql/share/norwegian/errmsg.txt:
Add missing ',' and fix typo
sql/share/polish/errmsg.txt:
Add missing ',' and fix typo
sql/share/portuguese/errmsg.txt:
Add missing ',' and fix typo
sql/share/romanian/errmsg.txt:
Add missing ',' and fix typo
sql/share/russian/errmsg.txt:
Add missing ',' and fix typo
sql/share/slovak/errmsg.txt:
Add missing ',' and fix typo
sql/share/spanish/errmsg.txt:
Add missing ',' and fix typo
sql/share/swedish/errmsg.txt:
Add missing ',' and fix typo
sql/share/ukrainian/errmsg.txt:
Add missing ',' and fix typo
Added more DBUG statements
Ensure that we are comparing end space with BINARY strings
Use 'any_db' instead of '' to mean any database. (For HANDLER command)
Only strip ' ' when comparing CHAR, not other space-like characters (like \t)
BitKeeper/deleted/.del-ctype_tis620.result-old~3578ceb0b8284685:
Delete: mysql-test/r/ctype_tis620.result-old
BitKeeper/deleted/.del-ctype_tis620.test-old~ffb1bbd2935d1aba:
Delete: mysql-test/t/ctype_tis620.test-old
client/mysqlbinlog.cc:
Added DBUG statements
Added call of my_end() to free all used memory on exit
heap/hp_info.c:
After merge fixes
heap/hp_open.c:
After merge fixes
include/heap.h:
After merge fixes
include/m_ctype.h:
Use pchar instead of 'int' for character parameters.
Added 'my_binary_compare()'
include/m_string.h:
Fixed wrong define
innobase/ibuf/ibuf0ibuf.c:
After merge fixes
innobase/srv/srv0start.c:
After merge fixes
mysql-test/r/alter_table.result:
Fixed results after merge
mysql-test/r/auto_increment.result:
Fixed results after merge
mysql-test/r/bdb.result:
Fixed results after merge
mysql-test/r/binary.result:
Fixed results after merge
mysql-test/r/create.result:
Fixed results after merge
mysql-test/r/ctype_mb.result:
Fixed results after merge
mysql-test/r/ctype_tis620.result:
Fixed results after merge
mysql-test/r/ctype_utf8.result:
Fixed results after merge
mysql-test/r/delete.result:
Fixed results after merge
mysql-test/r/func_compress.result:
Fixed results after merge
mysql-test/r/func_gconcat.result:
Fixed results after merge
mysql-test/r/func_group.result:
Fixed results after merge
mysql-test/r/func_str.result:
Fixed results after merge
mysql-test/r/innodb.result:
Fixed results after merge
mysql-test/r/insert.result:
Fixed results after merge
mysql-test/r/insert_select.result:
Fixed results after merge
mysql-test/r/key.result:
Fixed results after merge
mysql-test/r/loaddata.result:
Fixed results after merge
mysql-test/r/lock.result:
Fixed results after merge
mysql-test/r/myisam.result:
Fixed results after merge
mysql-test/r/null.result:
Fixed results after merge
mysql-test/r/null_key.result:
Fixed results after merge
mysql-test/r/order_by.result:
Fixed results after merge
mysql-test/r/query_cache.result:
Fixed results after merge
mysql-test/r/range.result:
Fixed results after merge
mysql-test/r/rpl_multi_delete.result:
Fixed results after merge
mysql-test/r/rpl_until.result:
Fixed results after merge
mysql-test/r/subselect.result:
Fixed results after merge
mysql-test/r/subselect_innodb.result:
Fixed results after merge
mysql-test/r/type_blob.result:
Fixed results after merge
mysql-test/r/type_datetime.result:
Fixed results after merge
mysql-test/r/type_decimal.result:
Fixed results after merge
mysql-test/r/type_enum.result:
Fixed results after merge
mysql-test/r/type_float.result:
Fixed results after merge
mysql-test/r/type_ranges.result:
Fixed results after merge
mysql-test/r/type_time.result:
Fixed results after merge
mysql-test/r/type_timestamp.result:
Fixed results after merge
mysql-test/r/type_uint.result:
Fixed results after merge
mysql-test/r/type_year.result:
Fixed results after merge
mysql-test/r/variables.result:
Fixed results after merge
mysql-test/r/warnings.result:
Fixed results after merge
mysql-test/t/case.test:
Fixed shifted error messages
mysql-test/t/create.test:
Fixed shifted error messages
mysql-test/t/ctype_collate.test:
Fixed shifted error messages
mysql-test/t/ctype_tis620.test:
Merge with 4.0 ctype_tis620 test
mysql-test/t/delete.test:
Fixed shifted error messages
mysql-test/t/derived.test:
Fixed shifted error messages
mysql-test/t/fulltext.test:
Fixed shifted error messages
mysql-test/t/func_in.test:
Fixed shifted error messages
mysql-test/t/func_str.test:
Fixed shifted error messages
mysql-test/t/func_test.test:
Fixed shifted error messages
mysql-test/t/grant.test:
Fixed shifted error messages
mysql-test/t/innodb.test:
Change to 4.1 syntax
mysql-test/t/key_cache.test:
Fixed shifted error messages
mysql-test/t/myisam.test:
New test of blob and end space
mysql-test/t/row.test:
Fixed shifted error messages
mysql-test/t/rpl_until.test:
Fixed shifted error messages
mysql-test/t/subselect.test:
Fixed shifted error messages
mysql-test/t/subselect_innodb.test:
Fix test to take into account foreign key constraints
mysql-test/t/union.test:
Fixed shifted error messages
mysql-test/t/user_var.test:
Fixed shifted error messages
mysql-test/t/variables.test:
Fixed shifted error messages
mysys/my_handler.c:
Merge with 4.0 code
sql/ha_heap.cc:
After merge fixes
sql/handler.cc:
After merge fixes
sql/item.cc:
After merge fixes
sql/item_cmpfunc.cc:
Ensure that we are comparing end space with BINARY strings
sql/item_cmpfunc.h:
Ensure that we are comparing end space with BINARY strings
sql/log_event.cc:
More DBUG statements
Ensure that we use all options to LOAD DATA in replication
sql/opt_range.cc:
After merge fixes
sql/sql_db.cc:
After merge fixes
sql/sql_handler.cc:
After merge fixes
Use 'any_db' instead of '' to mean 'no database comparison'
sql/sql_parse.cc:
After merge fixes
sql/sql_select.cc:
After merge fixes
Added function comment for setup_group()
sql/sql_string.cc:
Added stringcmp() for binary comparison.
Added function comments for sortcmp() and stringcmp()
sql/sql_string.h:
Added stringcmp()
sql/sql_table.cc:
After merge fixes
sql/sql_update.cc:
After merge fixes
sql/sql_yacc.yy:
Use 'any_db' instead of '' to mean any database. Using "" causes a 'wrong db name' error.
strings/ctype-big5.c:
Strip only end space, not other space characters.
strings/ctype-bin.c:
Removed some not needed functions.
Added function comments
Don't remove end space in comparisons
Change my_wildcmp_bin() to be 'identical' with other similar code
strings/ctype-czech.c:
Strip only end space, not other space characters.
strings/ctype-gbk.c:
Strip only end space, not other space characters.
strings/ctype-latin1.c:
Strip only end space, not other space characters.
strings/ctype-mb.c:
Strip only end space, not other space characters.
strings/ctype-simple.c:
Strip only end space, not other space characters.
strings/ctype-sjis.c:
Strip only end space, not other space characters.
strings/ctype-tis620.c:
Added usage of my_instr_simple. This needs to be cleaned up!
strings/ctype-utf8.c:
Strip only end space, not other space characters.
strings/ctype-win1250ch.c:
Strip only end space, not other space characters.
Fixed indentation
strings/strto.c:
Code cleanup
Added more DBUG statements
Ensure that we are comparing end space with BINARY strings
Use 'any_db' instead of '' to mean any database. (For HANDLER command)
Only strip ' ' when comparing CHAR, not other space-like characters (like \t)
into sanja.is.com.ua:/home/bell/mysql/bk/work-limit-4.1
mysql-test/r/subselect.result:
Auto merged
mysql-test/t/subselect.test:
Auto merged
sql/sql_parse.cc:
Auto merged
sql/sql_yacc.yy:
Auto merged
sql/sql_lex.cc:
Auto merged
BitKeeper/etc/logging_ok:
auto-union
configure.in:
Auto merged
BitKeeper/deleted/.del-opt_ft.cc~2048ffa561f9c59:
Auto merged
BitKeeper/deleted/.del-opt_ft.h~24aac1d29304599a:
Auto merged
client/mysql.cc:
Auto merged
include/my_global.h:
Auto merged
libmysql/libmysql.c:
Auto merged
libmysqld/Makefile.am:
Auto merged
libmysqld/lib_sql.cc:
Auto merged
myisam/mi_check.c:
Auto merged
mysql-test/install_test_db.sh:
Auto merged
mysql-test/r/multi_update.result:
Auto merged
mysql-test/r/mysqldump.result:
Auto merged
mysql-test/r/null.result:
Auto merged
mysql-test/r/show_check.result:
Auto merged
mysql-test/r/subselect.result:
Auto merged
mysql-test/r/symlink.result:
Auto merged
mysql-test/t/multi_update.test:
Auto merged
mysql-test/t/null.test:
Auto merged
mysql-test/t/rpl_until.test:
Auto merged
mysql-test/t/subselect.test:
Auto merged
sql/Makefile.am:
Auto merged
sql/filesort.cc:
Auto merged
sql/item.cc:
Auto merged
sql/item_cmpfunc.cc:
Auto merged
sql/item_cmpfunc.h:
Auto merged
sql/item_create.cc:
Auto merged
sql/item_create.h:
Auto merged
sql/item_func.h:
Auto merged
sql/item_subselect.cc:
Auto merged
sql/item_sum.cc:
Auto merged
sql/item_sum.h:
Auto merged
sql/item_timefunc.cc:
Auto merged
sql/mysqld.cc:
Auto merged
sql/protocol.cc:
Auto merged
sql/repl_failsafe.cc:
Auto merged
sql/set_var.cc:
Auto merged
sql/slave.cc:
Auto merged
sql/slave.h:
Auto merged
sql/sql_acl.cc:
Auto merged
sql/sql_base.cc:
Auto merged
sql/sql_cache.cc:
Auto merged
sql/sql_class.h:
Auto merged
sql/sql_db.cc:
Auto merged
sql/sql_delete.cc:
Auto merged
sql/sql_derived.cc:
Auto merged
sql/sql_insert.cc:
Auto merged
sql/sql_lex.cc:
Auto merged
sql/sql_lex.h:
Auto merged
sql/sql_list.h:
Auto merged
sql/sql_load.cc:
Auto merged
sql/sql_prepare.cc:
Auto merged
sql/sql_select.cc:
Auto merged
sql/sql_select.h:
Auto merged
sql/sql_show.cc:
Auto merged
sql/sql_table.cc:
Auto merged
sql/sql_union.cc:
Auto merged
sql/sql_update.cc:
Auto merged
sql-common/client.c:
Auto merged
Fixed output from mysqlbinlog when using --skip-comments
Fixed warnings from valgrind
Fixed ref_length when used with HEAP tables
More efficent need_conversion()
Fixed error handling in UPDATE with not updateable tables
Fixed bug in null handling in CAST to signed/unsigned
client/client_priv.h:
cleanup & added OPT_COMPACT
client/mysqldump.c:
Added option --compact to get a compact readable dump.
Ensure that SET CHARACTER_SET_CLIENT is not done if we have not remembered the old character set
Print optimization comments even if --skip-comments are given as these are not true comments. (Before these where only printed at end, which was a bug)
mysql-test/r/cast.result:
More cast tests
mysql-test/r/derived.result:
Removed warnings
mysql-test/r/mysqldump.result:
Update results after fixing mysqlbinlog
mysql-test/r/query_cache.result:
Make test usable with --extern
more tests
mysql-test/r/rpl_until.result:
Make test repeatable under valgrind
mysql-test/r/sql_mode.result:
Fix test result
mysql-test/r/subselect.result:
Make test smaller. Update wrong results
mysql-test/t/cast.test:
More cast tests
mysql-test/t/derived.test:
Removed warnings
mysql-test/t/query_cache.test:
Make test usable with --extern
more tests
mysql-test/t/rpl_until.test:
fix for valgrind. Becasue of unknown reason one got 'Slave_SQL_Running=yes' in this setup
mysql-test/t/subselect.test:
Make test case smaller
sql/field.cc:
Updated need_conversion() to use new arguments
sql/ha_heap.cc:
Moved initialization of ref_length to right place. This fixed problem that we had a ref_length of 8 for heap tables, which was not efficent.
sql/item_func.cc:
Cleanup
sql/item_func.h:
Fixed bug in null_handling for cast to signed/unsigned
sql/item_strfunc.cc:
Optimized/cleaned up Item_func_conv_charset3
sql/item_sum.cc:
Cleanup.
Ensure that some flag variables are cleared in cleanup()
sql/item_sum.h:
Fixed references to uninitialized memory
sql/opt_range.cc:
Fixed spelling error
sql/sql_class.cc:
Fixed wrong return code, which could case protocol problems
sql/sql_class.h:
After merge fix
sql/sql_prepare.cc:
Added comments
sql/sql_show.cc:
Cleanup
sql/sql_string.cc:
Optimzed usage of need_conversion().
- Removed not used argument
- Save diff lenght in 'offset' to not have to recalculate length several times.
Cleaned up comment
Optimized copy_aligned() based on the knowledge that it's only called when you have wrong data
sql/sql_string.h:
Updated need_conversion() and copy_aligned() to use new arguments
sql/sql_update.cc:
Fixed error handling with non-updateable tables
sql/sql_yacc.yy:
Ensure that lex->lock_options are set correctly (to get rid of warnings from valgrind)
Ensure that cast_type sets lex->charset and lex->length. Without these CONVERT() didn't work properly
Fixed output from mysqlbinlog when using --skip-comments
Fixed warnings from valgrind
Fixed ref_length when used with HEAP tables
More efficent need_conversion()
Fixed error handling in UPDATE with not updateable tables
Fixed bug in null handling in CAST to signed/unsigned
mysql-test/r/subselect.result:
test of execution plan of subqueries with static tables and rand()
mysql-test/t/subselect.test:
test of execution plan of subqueries with static tables and rand()
sql/item_func.cc:
use normal Item_func mechanism to report used tables
sql/item_func.h:
use normal Item_func mechanism to report used tables
sql/sql_select.cc:
correct processing of rand() in subqueries with static tables
mysql-test/r/subselect.result:
test of global limit and subqueries
mysql-test/t/subselect.test:
test of global limit and subqueries
sql/sql_lex.cc:
correct detection of non-default limits
sql/sql_parse.cc:
correct assignment of default limit
sql/sql_yacc.yy:
correct assignment of default limit
(BUG#2393)
mysql-test/r/subselect.result:
BUG#2393 test suite
test ref replaced ref_of_null joining
mysql-test/t/subselect.test:
BUG#2393 test suite
test ref replaced ref_of_null joining
sql/item_subselect.cc:
avoid null check on fields where NULL is impossible
sql/sql_select.cc:
convert JT_REF_OR_NULL to JT_REF in case of impossible NULL and protect buffer of rewriting through join_tab->null_ref_key
