of concurrent connections for the same account)"

Added support of account specific max_user_connections limit. Made all
user limits to be counted per account instead of the old behavior,
which was per user/host accounting. Added option which enables the old
behavior. Added testing of these to the test suite.

(After review version).


client/mysqltest.c:
  Extended mysqltest to be able to handle connect() statements for which
  error is expected.
  
  - Added replace_dynstr_append() utility function.
  - added connect_n_handle_errors() function which connects with server
    without retries and handles errors as if "connect" was usual
    statement.
  - do_connect(): added ability to handle connects which are expected
    to return an error.
  - run_query_normal(): Moved all expected-error-handling code to separate
    normal_handle_error()/normal_handle_no_error() functions to be able
    to reuse them in connect_n_handle_errors().
mysql-test/r/grant.result:
  Fixed test results since one more column to mysql.user was added.
mysql-test/r/system_mysql_db.result:
  Fixed test results since one more column to mysql.user was added.
scripts/mysql_create_system_tables.sh:
  Added max_user_connections column to mysql.user table for storing
  new maximal concurrent connections per account limit.
scripts/mysql_fix_privilege_tables.sql:
  Added max_user_connections column to mysql.user table for storing
  new maximal concurrent connections per account limit.
sql/lex.h:
  Added MAX_USER_CONNECTIONS symbol used for specifying
  maximum number of concurrent connections per account.
sql/mysql_priv.h:
  Added declaration of opt_old_style_user_limits variable which is defined
  in sql/mysqld.cc used in sql/sql_parse.cc.
sql/mysqld.cc:
  Added "old-style-user-limits" option which forces user limits to behave
  in old way i.e. to be counted per user/host pair instead of per account.
  Added comment describing mqh_used variable.
sql/set_var.cc:
  Added sys_var_max_user_conn class which implements support for the new 
  behavior of max_user_connections variable. Now the global instance of
  this variable holds default maximum number of concurrent connections per
  account (as it was before) and the session instance gives read-only
  access to account-specific version of this limit.
sql/set_var.h:
  Added sys_var_max_user_conn class which implements support for the new 
  behavior of max_user_connections variable. Now the global instance of
  this variable holds default maximum number of concurrent connections per
  account (as it was before) and the session instance gives read-only
  access to account-specific version of this limit.
sql/sql_acl.cc:
  Added support for account-specific MAX_USER_CONNECTIONS limit.
  Tweaked USER_RESOURCES and their handling for better clarity.
sql/sql_parse.cc:
  Added support for account-specific MAX_USER_CONNECTIONS (maximum number
  of concurrent connections per account) limit. Changed default behavior
  of all user limits to be per account instead of per user+host.
  '--old-style-user-limits' option was added to enable the old behavior.
  Made maximum number of connections per hour to be independant on the
  value of global max_user_connections variable.
sql/sql_yacc.yy:
  Added support of new MAX_USER_CONNECTIONS limit to grammar.
  Renamed USER_RESOURCES::connections member to conn_per_hour and bits
  member to specified_limits. Also enum is used instead of naked numbers
  when we are working with specified_limits.
sql/structs.h:
  USER_RESOURCES struct:
   - Added user_conn member to store the maximum number of concurrent 
     connections for an account. Renamed connections member to 
     conn_per_hour for less ambiguity.
   - Renamed member 'bits' to 'specified_limits' for the sake of clarity.
     The member was used as a flag indicating which limits were mentioned
     in GRANT clause.
   - Added comments.
  USER_CONN struct:
   - Removed unused user_len member.
   - Added comments.

  Implement fine-grained control over access to stored procedures
  Privileges are cached (same way as existing table/column privs)
  


mysql-test/include/system_db_struct.inc:
  WL#925 - Privileges for stored routines
    New system table: procs_priv
mysql-test/r/connect.result:
  WL#925 - Privileges for stored routines
    New system table: procs_priv
mysql-test/r/grant.result:
  WL#925 - Privileges for stored routines
    user table has additional privilege attributes
    SHOW PRIVILEGES amended
mysql-test/r/grant2.result:
  Fix result
mysql-test/r/information_schema.result:
  WL#925 - Privileges for stored routines
    New system table procs_priv
    New user privileges
mysql-test/r/show_check.result:
  Fix result
mysql-test/r/sp-security.result:
  WL#925 - Privileges for stored routines
    Fix existing tests to work with new privileges
    New tests for new privileges
mysql-test/r/sp.result:
  WL#925 - Privileges for stored routines
    Fix SHOW PRIVILEGES results
mysql-test/r/system_mysql_db.result:
  WL#925 - Privileges for stored routines
    New system table: procs_priv
    user and db tables have new privilege attributes
mysql-test/t/grant2.test:
  Fix test
mysql-test/t/show_check.test:
  Fix test
mysql-test/t/sp-security.test:
  WL#925 - Privileges for stored routines
    Allow existing tests to run with new privilege checks
    New tests for privileges
mysql-test/t/system_mysql_db_fix.test:
  WL#925 - Privileges for stored routines
    New system table: procs_priv
scripts/mysql_create_system_tables.sh:
  WL#925 - Privileges for stored routines
    db and user has new privilege attributes
    new system table: procs_priv
scripts/mysql_fix_privilege_tables.sql:
  WL#925 - Privileges for stored routines
    new system table: procs_priv
scripts/mysql_install_db.sh:
  WL#925 - Privileges for stored routines
    Amend comment
sql/item_func.cc:
  WL#925 - Privileges for stored routines
    Privilege check for stored FUNCTION routine
sql/lex.h:
  WL#925 - Privileges for stored routines
    new token ROUTINE
sql/mysql_priv.h:
  WL#925 - Privileges for stored routines
    New function: check_procedure_access()
sql/mysqld.cc:
  WL#925 - Privileges for stored routines
    system option automatic-sp-privileges
sql/set_var.cc:
  WL#925 - Privileges for stored routines
    system option automatic-sp-privileges
sql/share/errmsg.txt:
  WL#925 - Privileges for stored routines
    rename errormessage to conform:
      ER_SP_ACCESS_DENIED_ERROR -> ER_PROCACCESS_DENIED_ERROR
    New error messages
      ER_NONEXISTING_PROC_GRANT, ER_PROC_AUTO_GRANT_FAIL, ER_PROC_AUTO_REVOKE_FAIL
sql/sp.cc:
  WL#925 - Privileges for stored routines
    new function: sp_exists_routine()
sql/sp.h:
  WL#925 - Privileges for stored routines
    new function: sp_exists_routine()
sql/sql_acl.cc:
  WL#925 - Privileges for stored routines
    Implementation for SP privileges.
    Privileges are cached in memory hash.
    New functions:
      mysql_procedure_grant()
      check_grant_procedure()
      sp_revoke_privileges()
      sp_grant_privileges()
sql/sql_acl.h:
  WL#925 - Privileges for stored routines
    New privilege bits: CREATE_PROC_ACL, ALTER_PROC_ACL
    Alter confusing bit-segments to be shifted
    New macros: fix_rights_for_procedure() get_rights_for_procedure()
    New functions:
      mysql_procedure_grant()
      check_grant_procedure()
      sp_grant_privileges()
      sp_revoke_privileges()
sql/sql_lex.h:
  WL#925 - Privileges for stored routines
    new all_privileges attribute in LEX
sql/sql_parse.cc:
  WL#925 - Privileges for stored routines
    Remove function: check_sp_definer_access()
    Add handling for SP grants/revokes
    Add privilege checks for stored procedure invocation
sql/sql_show.cc:
  WL#925 - Privileges for stored routines
    update result for SHOW PRIVILEGES
sql/sql_yacc.yy:
  WL#925 - Privileges for stored routines
    New token ROUTINE
    rename some rules
    handle CREATE ROUTINE / ALTER ROUTINE privileges

fixes. Still to do: 
-  deploy my_strtoll10 in limbysql.c
- add mysql_options option to switch MYSQL_DATA_TRUNCATED on and off.


include/my_time.h:
  More calls are shared between client and server (libmysql now performs
  more intelligent date->number and number->date conversions).
  TODO: rename those which are not starting with 'my_'
include/mysql.h:
  MYSQL_BIND:
  - more elaborated comment
  - some of the ex-private members were given public names - 
    it's sometimes convenient to set bind->error to &bind->error_value.
    However Monty questions the idea, so it should be given
    more thought in future.
  - added new members to support data truncation.
  Added new return value of mysql_stmt_fetch, MYSQL_DATA_TRUNCATED.
libmysql/libmysql.c:
  - added support for data truncation during fetch
  - implementation for is_binary_compatible: now conversion functions
    are used less frequently
  - we now use number_to_datetime and TIME_to_ulonglong for date->number and
    number->date conversions
sql-common/my_time.c:
  - added implementation of date->number and number->date calls shared 
    between client and server (moved from time.cc).
sql/field.cc:
  - implemented Field_time::store_time() to better support date->time
    conversions in prepared mode. After-review fixes.
sql/field.h:
  - Field::store_time now returns int
sql/mysql_priv.h:
  - removed date->number and number->date conversion functions headers
    (moved to my_time.h)
sql/time.cc:
  - removed implementation of date->number and number->date conversion
    functions (moved to my_time.c)
tests/client_test.c:
  - added a test case for data truncation; other test cases adjusted.
  - fixed my_process_stmt_result to set STMT_ATTR_UPDATE_MAX_LENGTH (tables
    are now printed out prettier).

BitKeeper/etc/logging_ok:
  Logging to logging@openlogging.org accepted

First commit to mysql-5.0 tree to include MySQL Federated Storage Handler. This includes both the source and header files, test (results, test, require), and modifications to server and handler base files, and autoconf modifications to properly build federated handler.


configure.in:
  inclusion of federated handler autoheader macro
mysql-test/mysql-test-run.sh:
  allow usage of replication tests for federated handler
sql/Makefile.am:
  inclusion of federated header and source file
sql/field.h:
  overloaded method val_str() to work with fields in 'old_data' in 'update_row()'
sql/handler.cc:
  added code to include federated handler
sql/handler.h:
  add db type for federated
sql/mysql_priv.h:
  added code for federated handler
sql/mysqld.cc:
  added code for federated handler
sql/set_var.cc:
  added code for federated handler

transactional table locks to tables mentioned in the query. These locks
are released at the end of the transaction automatically.
This is fix for bugs #5655, #5998 and issue #3762.




innobase/include/lock0lock.h:
  Added a new lock type LOCK_TABLE_TRANSACTIONAL.
innobase/include/trx0trx.h:
  Added a varible to store the number of transactional table locks
  reserved by the transaction and stored in the trx_locks list.
innobase/lock/lock0lock.c:
  Added a lock type LOCK_TABLE_TRANSACTIONAL.
innobase/row/row0mysql.c:
  Added support for a transactional table lock.
innobase/trx/trx0roll.c:
  Make compiler happy and format function.
innobase/trx/trx0trx.c:
  Added information about number of explicit and transactional table locks in
  the innodb monitor.
sql/ha_innodb.cc:
  Added support for a LOCK_TABLE_TRANSACTIONAL table lock (SQLCOM_LOCK_TABLES_TRANSACTIONAL).
  Transactional table locks are taken in the function ::transactional_table_lock().
sql/ha_innodb.h:
  Added prototype for a function trandactional_table_lock().
sql/handler.h:
  Added prototype for a virtual function transactional_table_lock().
  Handler does not need to implement this function.
sql/lock.cc:
  Added a function transactional_lock_tables() to lock all tables in the list
  with transactional table lock. These locks can cause a deadlock and
  this error should be reported back to user.
sql/mysql_priv.h:
  Added prototype for a function transactional_lock_tables().
sql/sql_lex.h:
  Added SQLCOM_LOCK_TABLES_TRANSACTIONAL command.
sql/sql_parse.cc:
  Added SQLCOM_LOCK_TABLES_TRANSACTIONAL command.
sql/sql_yacc.yy:
  Added parsing rules for a LOCK TABLES...WHERE ENGINE = x;

Making FLUSH TABLES WITH READ LOCK killable while it's waiting for running commits to finish. Normally this step is not long but it's still nice to be killable
(especially in case of bug like BUG#6732 "FLUSH TABLES WITH READ LOCK + COMMIT makes next FLUSH...LOCK hang forever").


sql/lock.cc:
  making FLUSH TABLES WITH READ LOCK killable while it's waiting for running commits to finish
sql/mysql_priv.h:
  prototype change
sql/sql_parse.cc:
  now it's possible that make_global_read_lock_block_commit fails (killed)

Added auto-correct of field length for enum/set tables for ALTER TABLE
This is becasue of a bug in previous MySQL 4.1 versions where the length for enum/set was set incorrectly after ALTER TABLE


mysql-test/r/rpl_start_stop_slave.result:
  Fixed wrong test
mysql-test/r/type_enum.result:
  Added test for wrong enum/set length after alter table
mysql-test/t/ps.test:
  removed empty line
mysql-test/t/type_enum.test:
  Added test for wrong enum/set length after alter table
sql/field.cc:
  Added auto-correct of field length for enum/set tables.
  This is becasue of a bug in previous MySQL 4.1 versions where the length for enum/set was set incorrectly after ALTER TABLE
sql/item_cmpfunc.cc:
  Simple optimization
sql/mysql_priv.h:
  Made local function global
sql/set_var.cc:
  Simple cleanup
sql/sql_table.cc:
  Simple cleanups & optimizations

- add_field_to_list() now uses <List>String
instead of TYPELIB to be able to distinguish
literals 'aaa' and hex literals 0xaabbcc.
- move some code from add_field_to_list() where
  we don't know column charset yet, to 
  mysql_prepare_table(), where we do.

  Reverts incomplete change of insert_fields()


sql/mysql_priv.h:
  Reverts incomplete change of insert_fields()

mysql-test/r/view.result:
  changes in error number, and key in view processing
mysql-test/t/view.test:
  changes in error number, and key in view processing
sql/mysql_priv.h:
  changes functions
sql/sp.cc:
  now we report to setup_tables(), are we setuping SELECT...INSERT
sql/sql_base.cc:
  fixed finding table, taking in account join view, which can have not TABLE pointer
  now we report to setup_tables(), are we setuping SELECT...INSERT and ennumerete insert table separately
sql/sql_delete.cc:
  now we report to setup_tables(), are we setuping SELECT...INSERT
sql/sql_help.cc:
  now we report to setup_tables(), are we setuping SELECT...INSERT
sql/sql_insert.cc:
  fixed returning value of functions
sql/sql_load.cc:
  now we report to setup_tables(), are we setuping SELECT...INSERT
  removed second setup_tables call (merge)
sql/sql_olap.cc:
  now we report to setup_tables(), are we setuping SELECT...INSERT
sql/sql_parse.cc:
  UPDATE->MULTIUPDATE switching fixed
sql/sql_prepare.cc:
  UPDATE->MULTIUPDATE switching fixed
sql/sql_select.cc:
  now we report to setup_tables(), are we setuping SELECT...INSERT
sql/sql_update.cc:
  UPDATE->MULTIUPDATE switching fixed
sql/sql_view.cc:
  returning value fixed
sql/sql_view.h:
  returning value fixed

out of order". (final version)

Now instead of binding Item_trigger_field to TABLE objects during
trigger definition parsing at table open, we perform pass through
special list of all such objects in trigger. This allows easily check
all references to fields in old/new version of row in trigger during
execution of CREATE TRIGGER statement (this is more courtesy for users
since we can't check everything anyway).
We also report that such reference is bad by returning error from
Item_trigger_field::fix_fields() method (instead of setup_field())
This means that if trigger is broken we will bark during trigger
execution instead of trigger definition parsing at table open.
(i.e. now we allow to open tables with broken triggers).


mysql-test/r/trigger.result:
  Added test which attempts to create trigger for table referencing to
  field which does not exist in this table.
mysql-test/t/trigger.test:
  Added test which attempts to create trigger for table referencing to
  field which does not exist in this table.
sql/item.cc:
  Item_trigger_field::setup_field() now returns void. If any error
  will occur we will report it at fix_fields() stage.
sql/item.h:
  Item_trigger_field:
  - Added next_trg_field member for linking all such objects in trigger
    in one list.
  - Also setup_field() now returns void. If any error will occur we will
    report it at fix_fields() stage.
sql/mysql_priv.h:
  Added SQL_LIST::push_back() method which allows to add another SQL_LIST
  to the end of this SQL_LIST.
sql/sp_head.cc:
  sp_head::init()/reset_lex()/restore_lex():
   In order to fill global LEX::trg_table_fields (list of all 
   Item_trigger_field objects for trigger) we should init the same list
   in LEX of substatement before its parsing and merge it to global list
   after parsing.
sql/sp_head.h:
  sp_instr_trigger_field:
    Made trigger_field member public to be able to add it more easily to
    global list of all Item_trigger_field objects in trigger.
sql/sql_lex.cc:
  LEX::trg_table was removed.
sql/sql_lex.h:
  Now we are binding Item_trigger_field's to TABLE object by passing
  through specially constructed list of all such objects in this trigger
  instead of doing this during trigger definition parsing at table open.
  So we no longer need LEX::trg_table, we use LEX::trg_table_fields list
  instead.
sql/sql_parse.cc:
  mysql_execute_command():
    Since now we use trigger body for some checks in
    mysql_create_or_drop_trigger() we should destroy it only
    after calling this function.
sql/sql_trigger.cc:
  Now instead of binding Item_trigger_field to TABLE objects during
  trigger definition parsing at table open, we perform pass through
  special list of all such objects in trigger. This allows easily check
  all references to fields in old/new version of row in trigger during
  execution of CREATE TRIGGER statement (this is more courtesy for users
  since we can't check everything anyway).
  We also report that such reference is bad by returning error from
  Item_trigger_field::fix_fields() method (instead of setup_field())
  This means that if trigger is broken we will bark during trigger
  execution instead of trigger definition parsing at table open.
  (i.e. now we allow to open tables with broken triggers).
  
  Table_triggers_list::prepare_old_row_accessors() method was added to be
  able to reuse code creating Field objects referencing TABLE::record[1]
  buffer instead of TABLE::record[0].
sql/sql_trigger.h:
  Added Table_triggers_list::prepare_old_row_accessors() method to be
  able to reuse code creating Field objects referencing to TABLE::record[1]
  instead of record[0].
sql/sql_yacc.yy:
  Now instead of performing binding of Item_trigger_field objects
  to TABLE object during trigger definition parsing at table open,
  we perform this binding by passing through specially constructed
  list of all such items in trigger.
  We also check value returned from memory allocation functions.

InnoDB status variables


innobase/buf/buf0buf.c:
  Added function to get the number of latched pages
innobase/buf/buf0flu.c:
  Added support for dblwr_pages_written, dblwr_writes and
  buffer_pool_pages_flushed status variables
innobase/buf/buf0lru.c:
  Added support for _buffer_pool_wait_free status variable
innobase/buf/buf0rea.c:
  Added support for buffer_pool_read_ahead_rnd, buffer_pool_read_ahead_seq
  and srv_buf_pool_reads status variables
innobase/fil/fil0fil.c:
  Added support for os_log_fsyncs, data_read, and data_written
innobase/include/buf0buf.h:
  Functions and variables needed for new status variables declared
innobase/include/buf0flu.ic:
  Added support for buffer_pool_write_requests status variable
innobase/include/fil0fil.h:
  Variable declared
innobase/include/os0file.h:
  Declared several variabled
innobase/include/srv0srv.h:
  Declared all new variables needed for InnoDB status variables
innobase/log/log0log.c:
  Added support for various log-related status variables
innobase/os/os0file.c:
  Added support for pending_writes, pending_reads status variables
innobase/srv/srv0srv.c:
  Added internal counters and function to accumulate information for
  InnoDB status variables
mysql-test/r/innodb.result:
  result fot the test
mysql-test/t/innodb.test:
  We have tests only for few variables, as we cannot predict value for
  most of the added variables. It depends on the system load, OS, HDD
  e.t.c Thus, we cannot test them with mysql-test.
sql/ha_innodb.cc:
  Added an array for InnoDB status variables. This is part of the
  WL2059 Engine-specific status variables framework
sql/ha_innodb.h:
  Declared status variables array and the function to refresh statistics
sql/handler.cc:
  Added function to get statistics
sql/handler.h:
  Declared function to update handlers statistics
sql/mysql_priv.h:
  declared opt_innodb to see it from handlers
sql/mysqld.cc:
  Don't include Innodb_*  status variables into "show status" if we
  are compiling without InnoDB
sql/sql_show.cc:
  mysqld_show modified and split into two parts to support enclosed
  arrays in the show_var_st structure. This is a part of
  WL2059 Engine-specific status variables framework.
sql/structs.h:
  Added new value to mark enclosed array in the status variables array

fix for 'show create schema_table'
fix for usage schema tables in subselect
'wrong schema table charset' fix


mysql-test/r/information_schema.result:
  'wrong schema table charset' fix
mysql-test/t/information_schema.test:
  'wrong schema table charset' fix
sql/mysql_priv.h:
  fix for 'show create schema_table'
sql/sql_class.cc:
  'wrong schema table charset' fix
sql/sql_class.h:
  'wrong schema table charset' fix
sql/sql_parse.cc:
  fix for 'show create schema_table'
sql/sql_select.cc:
  'wrong schema table charset' fix
sql/sql_show.cc:
  remove unused parts of code
  fix for 'show create schema_table'
  fix for usage schema tables in subselect
sql/table.h:
  remove unused parts of coed
tests/client_test.c:
  'wrong schema table charset' fix

  Rework parser expression rules
  Rework handling for "||" concat/or
  Eliminate some shift/reduce conflicts
  Add support for "xxx IS [ NOT ] truth_value"


mysql-test/r/ansi.result:
  Fix test for new BROKEN_NOT mode bit
mysql-test/r/bool.result:
  WL#638
    New test for BROKEN_NOT mode
    New test for "expr IS [NOT] truth_value" syntax
mysql-test/r/sql_mode.result:
  Fix test for new BROKEN_NOT mode bit
mysql-test/t/bool.test:
  WL#638
    New test for BROKEN_NOT mode
    New test for "expr IS [NOT] truth_value" syntax
sql/lex.h:
  WL#638
    "&&" and "AND" return different tokens,
    NOT token changed to NOT_SYM
    OR_OR_CONCAT token changed to OR_OR_SYM
    New token "UNKNOWN"
sql/mysql_priv.h:
  WL#638
    New mode: BROKEN_NOT
sql/mysqld.cc:
  WL#638
    New mode: BROKEN_NOT
sql/set_var.cc:
  WL#638
    New mode: BROKEN_NOT
    BROKEN_NOT is set in MYSQL323 and MYSQL40 modes
sql/sql_lex.cc:
  Bug#638
    Alter tokens returned by lexer depending upon sql_mode:
    Return NOT2_SYM token instead of NOT_SYM when in BROKEN_NOT mode
    Return OR2_SYM token instead of OR_OR_SYM when not in PIPES_AS_CONCAT mode
sql/sql_yacc.yy:
  WL#638
    Change grammar to respect proper SQL syntax for NOT
    Clean up grammar, eliminate >100 shift/reduce conflicts
    New support for "expr IS [NOT] truth_value" SQL syntax
    Remove or_or_concat() support func. New support func is_truth_value()

mysql-test/r/view.result:
  erorr reported
sql/item.cc:
  removed starnge code
sql/mysql_priv.h:
  now error represented by Bool value
sql/sql_parse.cc:
  removed old send_error calls
sql/sql_select.cc:
  removed starnge code
sql/sql_show.cc:
  show functions fixed
sql/table.h:
  now error represented by Bool value

WL#173:  Create Data Dictionary Tables for SHOW Commands

After merge fixes


mysql-test/r/mix_innodb_myisam_binlog.result:
  After merge fixes
mysys/default.c:
  After merge fixes
sql/mysql_priv.h:
  Portability fix for gcc 2.95.3
sql/sql_base.cc:
  Portability fix for gcc 2.95.3

mysql-test/r/rpl_rotate_logs.result:
  removed host dependence in error messages
mysql-test/t/rpl_rotate_logs.test:
  removed host dependence in error messages
mysys/my_error.c:
  comment about using my_error family functions
sql/filesort.cc:
  changing my_error on my_message and my_printf_error where if they are prefered
sql/ha_innodb.cc:
  changing my_error on my_message and my_printf_error where if they are prefered
sql/handler.cc:
  changing my_error on my_message and my_printf_error where if they are prefered
sql/item.cc:
  changing my_error on my_message and my_printf_error where if they are prefered
sql/item_cmpfunc.cc:
  changing my_error on my_message and my_printf_error where if they are prefered
sql/item_func.cc:
  changing my_error on my_message and my_printf_error where if they are prefered
sql/item_strfunc.cc:
  changing my_error on my_message and my_printf_error where if they are prefered
sql/item_subselect.cc:
  changing my_error on my_message and my_printf_error where if they are prefered
sql/item_sum.cc:
  changing my_error on my_message and my_printf_error where if they are prefered
sql/lock.cc:
  changing my_error on my_message and my_printf_error where if they are prefered
sql/log.cc:
  changing my_error on my_message and my_printf_error where if they are prefered
sql/mysql_priv.h:
  error check moved to fill_record
sql/mysqld.cc:
  fixed error messages
sql/parse_file.cc:
  changing my_error on my_message and my_printf_error where if they are prefered
sql/protocol.cc:
  changing my_error on my_message and my_printf_error where if they are prefered
sql/protocol_cursor.cc:
  changing my_error on my_message and my_printf_error where if they are prefered
sql/repl_failsafe.cc:
  changing my_error on my_message and my_printf_error where if they are prefered
sql/set_var.cc:
  changing my_error on my_message and my_printf_error where if they are prefered
sql/slave.cc:
  changing my_error on my_message and my_printf_error where if they are prefered
sql/sp.cc:
  changing my_error on my_message and my_printf_error where if they are prefered
sql/sp_head.cc:
  changing my_error on my_message and my_printf_error where if they are prefered
sql/sp_rcontext.cc:
  changing my_error on my_message and my_printf_error where if they are prefered
sql/sql_acl.cc:
  changing my_error on my_message and my_printf_error where if they are prefered
sql/sql_analyse.cc:
  changing my_error on my_message and my_printf_error where if they are prefered
sql/sql_base.cc:
  changing my_error on my_message and my_printf_error where if they are prefered
  error check moved to fill_record
sql/sql_class.cc:
  changing my_error on my_message and my_printf_error where if they are prefered
sql/sql_class.h:
  changing my_error on my_message and my_printf_error where if they are prefered
sql/sql_db.cc:
  changing my_error on my_message and my_printf_error where if they are prefered
sql/sql_delete.cc:
  changing my_error on my_message and my_printf_error where if they are prefered
  error check moved to fill_record
sql/sql_handler.cc:
  changing my_error on my_message and my_printf_error where if they are prefered
sql/sql_help.cc:
  changing my_error on my_message and my_printf_error where if they are prefered
sql/sql_insert.cc:
  changing my_error on my_message and my_printf_error where if they are prefered
  error check moved to fill_record
sql/sql_lex.cc:
  layout fixed
sql/sql_load.cc:
  changing my_error on my_message and my_printf_error where if they are prefered
sql/sql_map.cc:
  changing my_error on my_message and my_printf_error where if they are prefered
sql/sql_parse.cc:
  error check moved to fill_record
  changing my_error on my_message and my_printf_error where if they are prefered
sql/sql_prepare.cc:
  changing my_error on my_message and my_printf_error where if they are prefered
sql/sql_rename.cc:
  changing my_error on my_message and my_printf_error where if they are prefered
sql/sql_repl.cc:
  changing my_error on my_message and my_printf_error where if they are prefered
sql/sql_select.cc:
  changing my_error on my_message and my_printf_error where if they are prefered
sql/sql_show.cc:
  changing my_error on my_message and my_printf_error where if they are prefered
sql/sql_table.cc:
  changing my_error on my_message and my_printf_error where if they are prefered
sql/sql_trigger.cc:
  changing my_error on my_message and my_printf_error where if they are prefered
sql/sql_udf.cc:
  changing my_error on my_message and my_printf_error where if they are prefered
sql/sql_union.cc:
  error check moved to fill_record
sql/sql_update.cc:
  error check moved to fill_record
sql/sql_view.cc:
  changing my_error on my_message and my_printf_error where if they are prefered
sql/sql_yacc.yy:
  changing my_error on my_message and my_printf_error where if they are prefered
sql/table.cc:
  changing my_error on my_message and my_printf_error where if they are prefered
sql/unireg.cc:
  changing my_error on my_message and my_printf_error where if they are prefered

sql/mysql_priv.h:
  Fix build problems (causing link errors with the Sun compiler).
sql/net_serv.cc:
  Corrected macro definition.
sql/sql_base.cc:
  Fixed build problems (for broken HP compiler).
sql/sql_show.cc:
  64-bit build fix.

Now thd->mem_root is a pointer to thd->main_mem_root and THR_MALLOC is a pointer to thd->mem_root.
This gives us the following benefits:
- Allow us to easily detect if arena has already been swapped before (this fixes a bug in setup_conds() where arena was swaped twice in some cases)
- Faster swaps of arenas (as we don't have to copy the whole MEM_ROOT)
- We don't anymore have to call my_pthread_setspecific_ptr(THR_MALLOC,...) to change where memory is alloced. Now it's enough to set thd->mem_root



client/mysqltest.c:
  Remove some not needed defines
  (Things like this should be done in config-win.h)
include/config-win.h:
  Added popen() and pclose() compatibility macros
mysql-test/t/rpl_failed_optimize-master.opt:
  Portability fix
sql/ha_berkeley.cc:
  New thd->memroot handling
sql/item_cmpfunc.cc:
  Simpler arena swapping code
sql/item_func.cc:
  Simpler arena swapping code
sql/item_subselect.cc:
  Simpler arena swapping code
  New thd->mem_root handling
sql/item_sum.cc:
  New thd->mem_root handling
sql/item_timefunc.cc:
  Fixed not-initalized usage errors found by valgrind
sql/log_event.cc:
  New thd->mem_root handling
sql/mysql_priv.h:
  New thd->mem_root handling
sql/mysqld.cc:
  New thd->mem_root handling
sql/opt_range.cc:
  New thd->mem_root handling
sql/repl_failsafe.cc:
  New thd->mem_root handling
sql/set_var.cc:
  New thd->mem_root handling
sql/sql_acl.cc:
  New thd->mem_root handling
sql/sql_base.cc:
  Simpler arena swapping code
  New thd->mem_root handling
sql/sql_class.cc:
  New thd->mem_root handling
sql/sql_class.h:
  Simpler arena swapping code
  New thd->mem_root handling
sql/sql_db.cc:
  New thd->mem_root handling
sql/sql_error.cc:
  New thd->mem_root handling
sql/sql_help.cc:
  New thd->mem_root handling
sql/sql_insert.cc:
  New thd->mem_root handling
sql/sql_parse.cc:
  New thd->mem_root handling
  Added some extra checking of return value of new
sql/sql_prepare.cc:
  New thd->mem_root handling
sql/sql_select.cc:
  New thd->mem_root handling
sql/sql_select.h:
  New thd->mem_root handling
sql/sql_union.cc:
  Simpler arena swapping code
sql/sql_yacc.yy:
  New thd->mem_root handling
sql/table.cc:
  New thd->mem_root handling
sql/thr_malloc.cc:
  New thd->mem_root handling
tests/client_test.c:
  Added drop table to some tests
  Changed some table names to 't1'

- open and create derived tables
- detect which tables should be locked for write
- lock and fill derived tables
some unitialized variables fixed


mysql-test/r/lock_multi.result:
  correct results returned
mysql-test/r/multi_update.result:
  correct results returned
mysql-test/r/view.result:
  correct results returned
mysql-test/t/multi_update.test:
  correct results returned
mysql-test/t/view.test:
  correct results returned
sql/mysql_priv.h:
  derived tables processing splited on table creation and table filling
sql/sql_base.cc:
  derived tables processing splited on table creation and table filling
sql/sql_class.h:
  function to detect when we need fill derived tables
sql/sql_derived.cc:
  derived tables processing splited on table creation and table filling
sql/sql_lex.cc:
  fixed uninitialized value
sql/sql_load.cc:
  fixed uninitialized value
sql/sql_parse.cc:
  initialization muved (will be done for all queries)
sql/sql_prepare.cc:
  preparation of multiupdate changed a bit because new locking procedure
sql/sql_update.cc:
  new lock for multiupdate:
  - open and create derived tables
  - detect which tables should be locked for write
  - lock and fill derived tables
sql/table.h:
  place to store select_result between creation and filling tables

FOUND is not a reserved keyword anymore
Added Item_field::set_no_const_sub() to be able to mark fields that can't be substituted
Added 'simple_select' method to be able to quickly determinate if a select_result is a normal SELECT
Note that the 5.0 tree is not yet up to date: Sanja will have to fix multi-update-locks for this merge to be complete


BUILD/SETUP.sh:
  Portability fix
client/mysqltest.c:
  Portability fix
mysql-test/r/drop.result:
  updated results
mysql-test/r/func_str.result:
  New warnings (after merge)
mysql-test/r/insert.result:
  Updated tests
mysql-test/r/join_nested.result:
  Updated results (because of new column types in 5.0)
mysql-test/r/lock_multi.result:
  Temporarly wrong results until Sanja fixes multi-update-lock in 5.0
mysql-test/r/multi_update.result:
  Temporary fix until Sanja fixes multi-update locking
mysql-test/r/ps_1general.result:
  Update of results after merge
mysql-test/r/ps_2myisam.result:
  Update of results after merge
mysql-test/r/ps_3innodb.result:
  Update of results after merge
mysql-test/r/ps_4heap.result:
  Update of results after merge
mysql-test/r/ps_5merge.result:
  Update of results after merge
mysql-test/r/ps_6bdb.result:
  Update of results after merge
mysql-test/r/query_cache.result:
  Update of results after merge
mysql-test/r/range.result:
  New results for new tests
mysql-test/r/rpl_auto_increment.result:
  Update with new 4.0 information
mysql-test/r/rpl_charset.result:
  After merge fixes
mysql-test/r/subselect.result:
  After merge fixes
mysql-test/r/view.result:
  Temporary fix until multi-update-locking is fixed
mysql-test/t/drop.test:
  Safety fix
mysql-test/t/multi_update.test:
  Temporary fix until multi-update-locking is fixed
mysql-test/t/rpl_charset.test:
  More comments
mysql-test/t/sp-error.test:
  Updated comments
mysql-test/t/view.test:
  Temporary fix until multi-update-locking is fixed
scripts/mysql_fix_privilege_tables.sh:
  Better error message
sql-common/client.c:
  More debugging
sql/ha_ndbcluster.cc:
  After merge fixes
sql/handler.cc:
  After merge fixes
sql/item.cc:
  Simple optimization of creating item
  After merge fixed
  Added Item_field::set_no_const_sub() to be able to mark fields that can't be substituted
  The problem is that if you compare a string field to a binary string, you can't replace the field with a string constant as the binary comparison may then fail (The original field value may be in a different case)
sql/item.h:
  Added Item::set_no_const_sub() to be able to mark fields that can't be substituted
sql/item_cmpfunc.cc:
  Mark fields compared as binary to not be substituted.
sql/item_func.cc:
  After merge fix
sql/log_event.cc:
  After merge fix
sql/mysql_priv.h:
  After merge fix
sql/opt_range.cc:
  After merge fix
sql/protocol.cc:
  Made flags uint instead of int (as it's used as a bit mask)
sql/protocol.h:
  Made flags uint instead of int (as it's used as a bit mask)
sql/protocol_cursor.cc:
  Made flags uint instead of int (as it's used as a bit mask)
  Indentation cleanups
sql/sp.cc:
  After merge fixes
  Removed compiler warnings
sql/sp_head.cc:
  After merge fixes
sql/sql_base.cc:
  After merge fixes
  Removed 'send_error' from 'insert_fields()' as the error is sent higher up
sql/sql_class.cc:
  Give assert if set_n_backup_item_arena is used twice
sql/sql_class.h:
  Give assert if set_n_backup_item_arena is used twice
  After merge fixes
  Added 'simple_select' method to be able to quickly determinate if a select_result is a normal SELECT
sql/sql_handler.cc:
  After merge fixes
sql/sql_parse.cc:
  After merge fixes
sql/sql_prepare.cc:
  After merge fixes
sql/sql_select.cc:
  After merge fixes
  Moved 'build_equal_items' to optimize_cond() (logical place)
sql/sql_table.cc:
  After merge fixes
sql/sql_trigger.cc:
  After merge fixes
sql/sql_update.cc:
  After merge fixes
  (This should be fixed by Sanja to have lower granuality locking of tables in multi-update)
sql/sql_view.cc:
  After merge fixes
sql/sql_yacc.yy:
  After merge fixes
  Don't have FOUND as a reserved keyword

- Changed name resolution for GROUP BY so that derived columns do not shadow table columns
  from the FROM clause. As a result GROUP BY now is handled as a true ANSI extentsion.
- Issue a warning when HAVING is resolved into ambiguous columns, and prefer the columns from
  the GROUP BY clause over SELECT columns.


mysql-test/r/having.result:
  Correct result for updated GROUP BY name resolution.
sql/item.cc:
  - prefer GROUP columns, but if none is found use SELECT list
  - issue a waring when a field may be resolved ambiguously
  - more/fixed comments
sql/mysql_priv.h:
  More flexible find_field_in_tables().
sql/sp.cc:
  More flexible find_field_in_tables().
sql/sql_base.cc:
  More flexible find_field_in_tables().
sql/sql_help.cc:
  More flexible find_field_in_tables().
sql/sql_select.cc:
  - name resolution of GROUP/ORDER BY column references is differentiated:
    - GROUP BY is resolved in SELECT and FROM clauses
    - ORDER BY is resolved only in SELECT (as before)
  - more informative variable names
  - more comments

The same problem with SET columns:

find_set() now executes find_type2() to do charset aware search,
instead of always using system_charset_info comparison.

sql/mysql_priv.h:
  constant definition
sql/sql_base.cc:
  difine used instead of constant
sql/sql_cache.cc:
  difine used instead of constant
  typo fixed

mysql-test/r/view.result:
  LOAD DATA with view and CHECK OPTION
mysql-test/t/view.test:
  LOAD DATA with view and CHECK OPTION
sql/log_event.cc:
  new parameter for load data
sql/mysql_priv.h:
  new parameter for load data
sql/sql_lex.cc:
  LOAD DATA supported by view
sql/sql_load.cc:
  added support of view and CHECK OPTION of view to LOAD DATA
sql/sql_parse.cc:
  new parameter for CHECK OPTION

he has SELECT and INSERT privileges for table with primary key"

Now we set lex->duplicates= DUP_UPDATE right in parser if INSERT has
ON DUPLICATE KEY UPDATE clause, this simplifies insert_precheck()
function (this also fixes a bug) and some other code.


mysql-test/r/grant2.result:
  Added test for bug #6173 "One can circumvent missing UPDATE privilege if
  he has SELECT and INSERT privileges for table with primary key"
mysql-test/t/grant2.test:
  Added test for bug #6173 "One can circumvent missing UPDATE privilege if
  he has SELECT and INSERT privileges for table with primary key"
sql/mysql_priv.h:
  insert_precheck() don't need "update" parameter any longer since
  now we set lex->duplicates to DUP_UPDATE if INSERT has ON DUPLICATE
  KEY UPDATE clause.
sql/sql_parse.cc:
  insert_precheck() don't need "update" parameter any longer since
  now we set lex->duplicates to DUP_UPDATE if INSERT has ON DUPLICATE
  KEY UPDATE clause, so it can determine whenever it is needed to
  require UPDATE_ACL by itself. Also calling of mysql_insert() is
  simplified.
sql/sql_prepare.cc:
  insert_precheck() don't need "update" parameter any longer since
  now we set lex->duplicates to DUP_UPDATE if INSERT has ON DUPLICATE
  KEY UPDATE clause, so it can determine whenever it is needed to
  require UPDATE_ACL by itself. Also calling of mysql_insert() is
  simplified.
sql/sql_yacc.yy:
  It is better to set Lex->duplicates= DUP_UPDATE right in parser if we
  have INSERT with ON DUPLICATE KEY UPDATE clause, rather doing this later.

net_printf/send_error calls replaced by my_error family functions
-1/1 (sent/unsent) error reporting removed
(WL#2133)


include/mysqld_error.h:
  new errors added.
mysql-test/r/rpl_charset.result:
  new error
mysql-test/r/rpl_timezone.result:
  new error
mysql-test/r/sp-security.result:
  more clean error message
mysql-test/r/sp.result:
  now error state intercepted correctly
mysql-test/t/connect.test:
  new error message
mysql-test/t/rpl_charset.test:
  new error message
mysql-test/t/rpl_timezone.test:
  new error
mysql-test/t/sp-security.test:
  more correct error handling
mysql-test/t/sp.test:
  now error state intercepted correctly
sql/ha_innodb.cc:
  -1/1 (sent/unsent) error reporting removed
sql/ha_innodb.h:
  -1/1 (sent/unsent) error reporting removed
sql/item.cc:
  only boolean values should be returned by fix_fields()
sql/item_cmpfunc.cc:
  only boolean values should be returned by fix_fields()
sql/item_func.cc:
  only boolean values should be returned by fix_fields()
  net_printf/send_error calls replaced by my_error family functions
sql/item_row.cc:
  only boolean values should be returned by fix_fields()
sql/item_subselect.cc:
  only boolean values should be returned by fix_fields()
  -1/1 (sent/unsent) error reporting removed
sql/item_subselect.h:
  -1/1 (sent/unsent) error reporting removed
sql/item_sum.cc:
  only boolean values should be returned by fix_fields()
sql/item_timefunc.cc:
  only boolean values should be returned by fix_fields()
sql/item_uniq.h:
  only boolean values should be returned by fix_fields()
sql/mysql_priv.h:
  -1/1 (sent/unsent) error reporting removed
sql/mysqld.cc:
  net_printf/send_error calls replaced by my_error family functions
  changes in my_message_sql to support error handling correctly
sql/protocol.cc:
  net_printf/send_error calls replaced by my_error family functions
sql/protocol_cursor.cc:
  net_printf/send_error calls replaced by my_error family functions
sql/repl_failsafe.cc:
  net_printf/send_error calls replaced by my_error family functions
  -1/1 (sent/unsent) error reporting removed
sql/repl_failsafe.h:
  -1/1 (sent/unsent) error reporting removed
sql/set_var.cc:
  net_printf/send_error calls replaced by my_error family functions
sql/share/czech/errmsg.txt:
  new error messages
sql/share/danish/errmsg.txt:
  new error messages
sql/share/dutch/errmsg.txt:
  new error messages
sql/share/english/errmsg.txt:
  new error messages
sql/share/estonian/errmsg.txt:
  new error messages
sql/share/french/errmsg.txt:
  new error messages
sql/share/german/errmsg.txt:
  new error messages
sql/share/greek/errmsg.txt:
  new error messages
sql/share/hungarian/errmsg.txt:
  new error messages
sql/share/italian/errmsg.txt:
  new error messages
sql/share/japanese/errmsg.txt:
  new error messages
sql/share/korean/errmsg.txt:
  new error messages
sql/share/norwegian-ny/errmsg.txt:
  new error messages
sql/share/norwegian/errmsg.txt:
  new error messages
sql/share/polish/errmsg.txt:
  new error messages
sql/share/portuguese/errmsg.txt:
  new error messages
sql/share/romanian/errmsg.txt:
  new error messages
sql/share/russian/errmsg.txt:
  new error messages
sql/share/serbian/errmsg.txt:
  new error messages
sql/share/slovak/errmsg.txt:
  new error messages
sql/share/spanish/errmsg.txt:
  new error messages
sql/share/swedish/errmsg.txt:
  new error messages
sql/share/ukrainian/errmsg.txt:
  new error messages
sql/slave.cc:
  net_printf/send_error calls replaced by my_error family functions
  -1/1 (sent/unsent) error reporting removed
sql/slave.h:
  -1/1 (sent/unsent) error reporting removed
sql/sp.cc:
  net_printf/send_error calls replaced by my_error family functions
sql/sp_head.cc:
  new eror handling support
  net_printf/send_error calls replaced by my_error family functions
sql/sp_rcontext.cc:
  net_printf/send_error calls replaced by my_error family functions
sql/sql_acl.cc:
  net_printf/send_error calls replaced by my_error family functions
  -1/1 (sent/unsent) error reporting removed
sql/sql_acl.h:
  -1/1 (sent/unsent) error reporting removed
sql/sql_base.cc:
  -1/1 (sent/unsent) error reporting removed
  net_printf/send_error calls replaced by my_error family functions
sql/sql_class.cc:
  net_printf/send_error calls replaced by my_error family functions
sql/sql_class.h:
  my_messhage_sql now set/reset query_error flag
sql/sql_db.cc:
  -1/1 (sent/unsent) error reporting removed
sql/sql_delete.cc:
  -1/1 (sent/unsent) error reporting removed
  net_printf/send_error calls replaced by my_error family functions
sql/sql_do.cc:
  -1/1 (sent/unsent) error reporting removed
sql/sql_error.cc:
  -1/1 (sent/unsent) error reporting removed
sql/sql_handler.cc:
  -1/1 (sent/unsent) error reporting removed
  net_printf/send_error calls replaced by my_error family functions
sql/sql_help.cc:
  net_printf/send_error calls replaced by my_error family functions
  -1/1 (sent/unsent) error reporting removed
sql/sql_insert.cc:
  -1/1 (sent/unsent) error reporting removed
  net_printf/send_error calls replaced by my_error family functions
sql/sql_lex.h:
  -1/1 (sent/unsent) error reporting removed
sql/sql_load.cc:
  -1/1 (sent/unsent) error reporting removed
sql/sql_map.cc:
  errors without code removed
sql/sql_parse.cc:
  net_printf/send_error calls replaced by my_error family functions
  -1/1 (sent/unsent) error reporting removed from mysql_execute_command
sql/sql_prepare.cc:
  net_printf/send_error calls replaced by my_error family functions
  -1/1 (sent/unsent) error reporting removed
sql/sql_repl.cc:
  error messages fixed
  net_printf/send_error calls replaced by my_error family functions
  -1/1 (sent/unsent) error reporting removed
sql/sql_repl.h:
  -1/1 (sent/unsent) error reporting removed
sql/sql_select.cc:
  -1/1 (sent/unsent) error reporting removed
sql/sql_select.h:
  -1/1 (sent/unsent) error reporting removed
sql/sql_show.cc:
  -1/1 (sent/unsent) error reporting removed
  net_printf/send_error calls replaced by my_error family functions
sql/sql_table.cc:
  net_printf/send_error calls replaced by my_error family functions
  -1/1 (sent/unsent) error reporting removed
sql/sql_trigger.cc:
  -1/1 (sent/unsent) error reporting removed
sql/sql_udf.cc:
  net_printf/send_error calls replaced by my_error family functions
sql/sql_union.cc:
  -1/1 (sent/unsent) error reporting removed
sql/sql_update.cc:
  -1/1 (sent/unsent) error reporting removed
  net_printf/send_error calls replaced by my_error family functions
sql/sql_view.cc:
  -1/1 (sent/unsent) error reporting removed
sql/sql_view.h:
  -1/1 (sent/unsent) error reporting removed
sql/sql_yacc.yy:
  net_printf/send_error calls replaced by my_error family functions

Simple optimzations and cleanups
Removed compiler warnings and fixed portability issues
Added client functions 'mysql_embedded()' to allow client to check if we are using embedded server
Fixes for purify


client/mysqlimport.c:
  Remove not used variable
client/mysqltest.c:
  Remove usage of MAXPATHLEN (all MySQL code uses FN_REFLEN)
  Simplified code
  Remove usage of sprintf("%llu") as this is not portable
include/mysql.h:
  Added mysql_embedded() to be able to easily check if we are using the embedded server
innobase/srv/srv0start.c:
  Don't use memcmp() when using purify (to avoid false warnings)
libmysql/libmysql.c:
  Added mysql_embedded() to be able to easily check if we are using the embedded server
libmysql/libmysql.def:
  Added mysql_embedded() to be able to easily check if we are using the embedded server
myisam/myisam_ftdump.c:
  Remove compiler warning
myisam/myisamchk.c:
  Remove compiler warning
myisam/rt_test.c:
  #ifdef not used code
mysys/hash.c:
  Remove compiler warning (from last push)
mysys/my_gethwaddr.c:
  Remove compiler warning
ndb/src/ndbapi/ndberror.c:
  #ifdef not used code
regex/regcomp.c:
  Remove not used code
regex/regcomp.ih:
  Remove not used code (to remove compiler warnings)
sql-common/client.c:
  Remove compiler warnings
sql/field.cc:
  Simple optimization
sql/ha_innodb.cc:
  Rename mysql_embedded -> mysqld_embedded
sql/item.cc:
  Fix comments
  Move variables first on block
  Remove else after return
  Simple optimizations
  (no logic changes)
sql/item_cmpfunc.cc:
  Added comment
sql/mysql_priv.h:
  Rename mysql_embedded -> mysqld_embedded
sql/mysqld.cc:
  Rename mysql_embedded -> mysqld_embedded
sql/sql_acl.cc:
  Added comments
  simple optimization
  Fixed 'very unlikely' bug when doing REVOKE ALL PRIVILEGES
sql/sql_select.cc:
  More comments
  Simple optimization
sql/sql_show.cc:
  Simple changes to make similar code similar
  More comments
sql/sql_string.cc:
  Trivial optimization and better code layout
strings/Makefile.am:
  Change xml.c to use bcmp to avoid warnings from purify
strings/xml.c:
  Change xml.c to use bcmp to avoid warnings from purify
tests/client_test.c:
  Remove usage of MAXPATHLEN (all MySQL code uses FN_REFLEN)

statements and negative time/date values". 
The bug was in wrong sprintf format used in the client library.
The fix moves TIME -> string conversion functions to sql-common and
utilized them in the client library.


include/my_time.h:
  Declarations for new functions shared between the client and server.
libmysql/libmysql.c:
  Fix for Bug#6049 "Loss of sign when using prepared statements and negative
  time/date values": use the same function as the server to convert
  date/time/datetime values to strings.
sql-common/my_time.c:
  Implementation of my_{time,datetime,date,TIME}_to_str: it's
  needed by the client library, so it should be shared.
sql/field.cc:
  Don't create String object if it's not needed.
sql/item.cc:
  Don't create String object if it's not needed: TIME_to_string was
  moved to my_TIME_to_str, with different arguments.
sql/item_timefunc.cc:
  Don't create String object if it's not needed.
sql/mysql_priv.h:
  TIME_to_string and MAX_DATE_REP_LENGTH moved to the client library.
  MAX_DATE_REP_LENGTH was renamed to MAX_DATE_STRING_REP_LENGTH to not 
  conflict with the same name in libmysql.c
sql/protocol.cc:
  Don't create String object if it's not needed.
sql/time.cc:
  Implementation of my_{time,date,datetime,TIME}_to_str moved to my_time.c
  shared between the client and the server.
tests/client_test.c:
  A test case for Bug#6049.

crashes server." The fix makes Item_func_rand prepared-statements
aware plus it fixes the case when RAND is used in prepared
statements and replication is on (as well as several similar issues).
Until now we did not reset THD before every execution of a prepared
statement, so if some execution had set thd->time_zone_used
or thd->rand_used they would not be reset until next mysql_parse.
Some of post-review fixes done.


mysql-test/r/ps.result:
  A test case for Bug#5985: test results fixed.
mysql-test/t/ps.test:
  A test case for Bug#5985 "prepare stmt from "select rand(?)" crashes
  server."
sql/item_func.cc:
  Actual fix for Bug#5985: Item_func_rand rewritten to be 
  prepared statements aware.
sql/item_func.h:
  Actual fix for Bug#5985: Item_func_rand rewritten to be 
  prepared statements aware.
sql/mysql_priv.h:
  We need a separate call to reset THD state before every execute of
  a prepared statement. Otherwise things like THD->user_var_events
  are never cleaned up and bloat binary log (as the list of events
  grows from execution to execution).
sql/sql_class.cc:
  Statement::end_statement -> THD::end_statement()
  (a leftover from some design change which is not to pushed now, but the
  leftover is to be pushed).
sql/sql_class.h:
  Statement::end_statement -> THD::end_statement()
  (a leftover from some design change which is not to pushed now, but the
  leftover is to be pushed).
sql/sql_lex.cc:
  Move the part responsible for initializing LEX from mysql_init_query
  to lex_start.
sql/sql_lex.h:
  All lex-related initialization is now in lex_start.
  Move thd->select_number to lex->select_number to be able to use it
  easily in lex_start.
sql/sql_parse.cc:
  Split mysql_init_query into two functions: mysql_reset_thd_for_next_query,
  which is used in PS and conventional execution, and lex_start, used only
  when we want to parse something.
  Fix init_connect to use initialized THD.
sql/sql_prepare.cc:
  Deploy mysql_reset_thd_for_next_query to reset THD state before
  execution of a prepared statement.
  Normally this should have been added to just one place, but
  we have to reset thd before assigning placeholders from variables,
  thus we can't do that in execute_stmt (yuck).

showing table type now is controled by new parameter 'FULL' of SHOW TABLES command (SHOW FULL TABLES) (as it was decided on last dev conf)


mysql-test/r/connect.result:
  returned SHOW TABLES default behaviour
mysql-test/r/ctype_recoding.result:
  returned SHOW TABLES default behaviour
mysql-test/r/drop.result:
  returned SHOW TABLES default behaviour
mysql-test/r/lowercase_table.result:
  returned SHOW TABLES default behaviour
mysql-test/r/rename.result:
  returned SHOW TABLES default behaviour
mysql-test/r/rpl000009.result:
  returned SHOW TABLES default behaviour
mysql-test/r/rpl_error_ignored_table.result:
  returned SHOW TABLES default behaviour
mysql-test/r/select.result:
  returned SHOW TABLES default behaviour
mysql-test/r/sp.result:
  returned SHOW TABLES default behaviour
mysql-test/r/system_mysql_db.result:
  returned SHOW TABLES default behaviour
mysql-test/r/view.result:
  test of new parameter od SHOW TABLES and default behaviour without parameter
mysql-test/t/view.test:
  test of new parameter od SHOW TABLES and default behaviour without parameter
sql/mysql_priv.h:
  parameter added to mysqld_show_tables
sql/sql_parse.cc:
  parameter added to mysqld_show_tables
sql/sql_show.cc:
  showing table type now is controled by new parameter 'FULL' of SHOW TABLES command (SHOW FULL TABLES)
sql/sql_yacc.yy:
  showing table type now is controled by new parameter 'FULL' of SHOW TABLES command (SHOW FULL TABLES)

(Bug #4315: GROUP_CONCAT with ORDER BY returns strange results for TEXT fields
 Bug #5564: Strange behaviour with group_concat and distinct
 Bug #5970: group_concat doesn't print warnings)