Also fixed test cases related to this

sql/mysql_priv.h:
  Change default number of open tables in cache and table definition cache size to 1024
storage/innobase/handler/ha_innodb.cc:
  Remove limitation in InnoDB by default on only 8 internal threads

SMP patch
Rate IO patch
Multiple IO threads patch

Problem: <=> operator may return wrong results 
comparing NULL and a DATE/DATETIME/TIME value.

Fix: properly check NULLs.


mysql-test/r/type_datetime.result:
  Fix for bug#37526: asymertic operator <=> in trigger
    - test result.
mysql-test/t/type_datetime.test:
  Fix for bug#37526: asymertic operator <=> in trigger
    - test case.
sql/item_cmpfunc.cc:
  Fix for bug#37526: asymertic operator <=> in trigger
    - if is_nulls_eq is TRUE Arg_comparator::compare_datetime() 
  should return 1 only if both arguments are NULL.

statement/stored procedure

View privileges are properly checked after the fix for bug no 
36086, so the method TABLE_LIST::get_db_name() must be used 
instead of field TABLE_LIST::db, as this only works for tables.
Bug appears when accessing views in prepared statements.

mysql-test/r/view_grant.result:
  Bug#35600: Extended existing test case.
mysql-test/t/view_grant.test:
  Bug#35600: Extended existing test result.
sql/sql_parse.cc:
  Bug#35600: Using method to retrieve database name instead of
  field.

SUPER is not required to change binlog format for session

A user without SUPER privileges can change the value of the
session variable BINLOG_FORMAT, causing problems for a DBA.

This changeset requires a user to have SUPER privileges to
change the value of the session variable BINLOG_FORMAT, and
not only the global variable BINLOG_FORMAT.


mysql-test/suite/binlog/t/binlog_grant.test:
  Adding test to test grants needed for SQL_LOG_BIN and BINLOG_FORMAT.
sql/set_var.cc:
  Adding code to check that user has SUPER permission
  needed to change the value of BINLOG_FORMAT.
sql/set_var.h:
  Adding function sys_var_thd_binlog_format::check()