WL#2067 add features to mysqltest: "disable_error_abort" + "$mysql_errno"

$mysql_errno is a new builtin variable of mysqltest and contains the
return code of the last command send to the server.

"--disable_abort_on_error" switches the abort of mysqltest
after "unmasked" failing statements off.
"--enable_abort_on_error" switches the abort of mysqltest
after "unmasked" failing statements on. (default)

"Maskings" are
    !$<error number>  and  --error <error number>
in the line before the statement to be checked.

The benefit of the option "--disable_abort_on_error" is that
- all statements after the failing statement are executed
- a r/<test>.reject will be produced
- it is possible to write test cases, which perform
  code sequences depending on the return code of a single
  statement


client/mysqltest.c:
  Implementation of the features
  - "--disable_abort_on_error"/"--enable_abort_on_error" switch
  - "$mysql_errno" variable
mysql-test/r/mysqltest.result:
  test cases for the features added
mysql-test/t/mysqltest.test:
  updated results

into mysql.com:/home/jonas/src/mysql-4.1

into deer.(none):/home/hf/work/mysql-4.1.6117

into the column character set on INSERT/UPDATE.


sql/sql_string.cc:
  New argument to report an error.
sql/sql_string.h:
  New argument to report an error.

into mysql.com:/M41/mysql-4.1

into mysql.com:/home/jonas/src/mysql-4.1

ENOSYS

args[0] is now used instead.

into deer.(none):/home/hf/work/mysql-4.1.6117

sql/sql_prepare.cc:
  Catch another class of errors possible during yyparse:
  if thd->net.report_error is set, we need to send the message and 
  abort.

into sanja.is.com.ua:/home/bell/mysql/bk/work-ps-4.1

Windows style line end \r\n on README, license, and similar essential plaintext files.


scripts/make_win_src_distribution.sh:
  Some plain text files (which a Windows user might view in any editor) should have 
  Windows style line end \r\n (bug#5385). The tool is changed to do a systematic pass 
  over all files, find all relevant ones (especially "README*", "ChangeLog", "INSTALL*", 
  license text), and adapt them.
  Included are two minor cleanups ("useless use of cat" avoided, variable setting 
  moved to more sensible place).

numeric columns (stmt_resultset_metadata)"


libmysql/libmysql.c:
  A fix for Bug#6096 "field.max_length is always zero for numeric columns
   (stmt_resultset_metadata)": set field->max_lenght for numeric
  columns when we set up skip_result functions. A minor drawback for this 
  approach is that field->max_length  can be not zero even if 
  STMT_ATTR_UPDATE_MAX_LENGTH is not set.
sql-common/my_time.c:
  Fix valgrind warning.
tests/client_test.c:
  A test case for Bug#6096 "field.max_length is always zero for numeric 
  columns (stmt_resultset_metadata)

innobase/srv/srv0srv.c:
  after merge fix
sql/set_var.cc:
  after merge fix
sql/sql_cache.cc:
  after merge fix

into sanja.is.com.ua:/home/bell/mysql/bk/work-ps-4.1

improved mechanisn of detection posibility to be NULL for single row queries
switched off substitution optimisation for single row subqueries in PS due to problem in resolving substituted expressions
(changes to make subselects test working with PS protocol)


mysql-test/r/subselect.result:
  removed incorrect error message about aggregate functions
  improved mechanisn of detection posibility to be NULL for single row queries
mysql-test/t/subselect.test:
  removed incorrect error message about aggregate functions
sql/item_subselect.cc:
  removed incorrect error message about aggregate functions
  switched off substitution optimisation for single row subqueries in PS due to problem in resolving substituted expressions
  improved mechanisn of detection posibility to be NULL for single row queries
sql/item_subselect.h:
  new method to help in NULL ability detection

BitKeeper/deleted/.del-innodb-lock-master.opt~f76a4a1999728f87:
  Auto merged
innobase/include/trx0sys.h:
  Auto merged
innobase/srv/srv0srv.c:
  Auto merged
innobase/trx/trx0purge.c:
  Auto merged
innobase/trx/trx0rseg.c:
  Auto merged
mysql-test/r/innodb-lock.result:
  Auto merged
mysql-test/t/innodb-lock.test:
  Auto merged
sql/mysql_priv.h:
  Auto merged
sql/set_var.cc:
  Auto merged
sql/sql_base.cc:
  Auto merged
sql/sql_parse.cc:
  Auto merged
sql/mysqld.cc:
  Use local version during merge

BitKeeper/deleted/.del-innodb-lock-master.opt~f76a4a1999728f87:
  Delete: mysql-test/t/innodb-lock-master.opt

innobase/include/srv0srv.h:
  Add configuration parameter srv_max_purge_lag.
  Add global variable srv_dml_needed_delay.
innobase/include/trx0sys.h:
  Add trx_sys->rseg_history_len
innobase/row/row0mysql.c:
  Add row_mysql_delay_if_needed() for delaying INSERTs, UPDATEs and
  DELETEs for srv_dml_needed_delay microseconds.
innobase/srv/srv0srv.c:
  Define global variable srv_dml_needed_delay.
  Define configuration parameter srv_max_purge_lag.
innobase/trx/trx0purge.c:
  Update trx_sys->rseg_history_len.
  trx_purge(): Compute srv_dml_needed_delay from srv_max_purge_lag
  and trx_sys->rseg_history_len.
innobase/trx/trx0rseg.c:
  Initialize trx_sys->rseg_history_len at InnoDB start-up.
sql/ha_innodb.h:
  Add configuration parameter srv_max_purge_lag.
sql/mysqld.cc:
  Add startup option innodb_max_purge_lag,
  with default value 0 (meaning infinite, disabling the feature).
sql/set_var.cc:
  Add global variable innodb_max_purge_lag.

sql/field.cc:
  Auto merged

reason for the failure was found, so the guess is that it is a 
compiler bug.

Field_string::pack should respect max_length as Field_string::pack_key does

into hundin.mysql.fi:/home/heikki/mysql-4.1

  Print to the .err log a more detailed error message if in IMPORT TABLESPACE the .ibd file does not exist


innobase/fil/fil0fil.c:
  Print to the .err log a more detailed error message if in IMPORT TABLESPACE the .ibd file does not exist

  Print more warnings to the .err log if ALTER TABLE ... IMPORT TABLESPACE fails for some reason
os0file.c:
  Do not call exit(1) if os_file_delete() fails; remove unused parameter from
handle_error_no_exit()

fil0fil.c:
  Allow DROP TABLE even if the .ibd file for the table does not exist


innobase/fil/fil0fil.c:
  Allow DROP TABLE even if the .ibd file for the table does not exist
innobase/os/os0file.c:
  Dono not call exit(1) if os_file_delete() fails; remove unused parameter from handle_error_no_exit()
innobase/row/row0mysql.c:
  Print more warnings to the .err log if ALTER TABLE ... IMPORT TABLESPACE fails for some reason

into mysql.com:/space/my/mysql-4.1


configure.in:
  Auto merged

 - tagged ChangeSet 1.2029 as "mysql-4.1.7"


configure.in:
   - Bumped up version number to 4.1.8

into mysql.com:/home/my/mysql-4.1


mysql-test/r/ctype_utf8.result:
  Auto merged
mysql-test/t/ctype_utf8.test:
  Auto merged
sql/field.cc:
  Auto merged
sql/set_var.cc:
  Auto merged
sql/sql_class.cc:
  Auto merged
sql/sql_parse.cc:
  Auto merged

New mysqltest that can run mysqltest with PS
Added support for ZEROFILL in PS
Fixed crash when one called mysql_stmt_store_result() without a preceding mysql_stmt_bind_result()
Updated test cases to support --ps-protocol
(Some tests are still run using old protocol)
Fixed crash in PS when using SELECT * FROM t1 NATURAL JOIN t2...
Fixed crash in PS when using sub queries
Create table didn't signal when table was created. This could cause a "DROP TABLE created_table" in another thread to wait "forever"
Fixed wrong permissions check in PS and multi-table updates (one could get permission denied for legal quries)
Fix for PS and SELECT ... PROCEDURE
Reset all warnings when executing a new PS query
group_concat(...ORDER BY) didn't work with PS
Fixed problem with test suite when not using innodb


BitKeeper/deleted/.del-innodb-lock-master.opt~f76a4a1999728f87:
  Delete: mysql-test/t/innodb-lock-master.opt
client/Makefile.am:
  mysqltest now uses regex
client/mysqltest.c:
  Added support for testing of prepared statements (with --ps-protocol)
  Main code was done by Kent, I did mainly some cleanups and minor bug fixes
  New test commands:
  --disable_ps_protocol
  --enable_ps_protocol
  NOTE: new code still has some things that needs to be cleaned up.
  For example run_query_stmt_handle_error() should be made more general so that same code can be used also by 'normal' queries
configure.in:
  mysqltest now uses regex
libmysql/libmysql.c:
  Reset warning_count after prepare (safety). In the future we should also provide warnings on prepare
  integer -> string conversion now handles ZEROFILL
  double -> string conversion is now closer to the one in the server
  Fixed crash when one called mysql_stmt_store_result() without preceding mysql_stmt_bind_result()
libmysqld/examples/Makefile.am:
  mysqltest now uses regex
mysql-test/include/have_query_cache.inc:
  Fixes for --ps-protocol
mysql-test/include/ps_conv.inc:
  Fixes for --ps-protocol
mysql-test/mysql-test-run.sh:
  Added options --ps-protocol
mysql-test/r/ctype_utf8.result:
  Fixed test case
mysql-test/r/fulltext_cache.result:
  Changed output of MATCH to use round() to get same numbers with --ps-protocol
mysql-test/r/fulltext_left_join.result:
  Changed output of MATCH to use round() to get same numbers with --ps-protocol
mysql-test/r/fulltext_multi.result:
  Changed output of MATCH to use round() to get same numbers with --ps-protocol
mysql-test/r/innodb-lock.result:
  Fixed test to work even if Innodb is not compiled in.
mysql-test/t/create.test:
  Fixes for --ps-protocol
mysql-test/t/ctype_utf8.test:
  Remove warnings
mysql-test/t/date_formats.test:
  Fixes for --ps-protocol
mysql-test/t/fulltext_cache.test:
  Changed output of MATCH to use round() to get same numbers with --ps-protocol
mysql-test/t/fulltext_left_join.test:
  Changed output of MATCH to use round() to get same numbers with --ps-protocol
mysql-test/t/fulltext_multi.test:
  Changed output of MATCH to use round() to get same numbers with --ps-protocol
mysql-test/t/func_group.test:
  Fixes for --ps-protocol
mysql-test/t/func_sapdb.test:
  Fixes for --ps-protocol
mysql-test/t/innodb-lock.test:
  Fixed test to work even if Innodb is not compiled in.
mysql-test/t/insert.test:
  Fixes for --ps-protocol
mysql-test/t/insert_select.test:
  Fixes for --ps-protocol
mysql-test/t/insert_update.test:
  Fixes for --ps-protocol
mysql-test/t/metadata.test:
  Fixes for --ps-protocol
mysql-test/t/multi_statement.test:
  Fixes for --ps-protocol
mysql-test/t/ps_1general.test:
  Fixes for --ps-protocol
mysql-test/t/rollback.test:
  Fixes for --ps-protocol
mysql-test/t/rpl_redirect.test:
  Fixes for --ps-protocol
mysql-test/t/rpl_user_variables.test:
  Fixes for --ps-protocol
mysql-test/t/select.test:
  Fixes for --ps-protocol
mysql-test/t/status.test:
  Fixes for --ps-protocol
mysql-test/t/type_blob.test:
  Fixes for --ps-protocol
mysql-test/t/type_float.test:
  Fixes for --ps-protocol
mysql-test/t/union.test:
  Fixes for --ps-protocol
mysql-test/t/warnings.test:
  Fixes for --ps-protocol
mysys/my_alloc.c:
  More debugging information
sql-common/client.c:
  More debugging information
sql-common/my_time.c:
  TIME didn't support full range with PS
sql/field.cc:
  TIME didn't support full range with PS
sql/item_cmpfunc.cc:
  IN(constants,...) didn't work with PS
sql/item_subselect.cc:
  Some subqueries didn't work with PS
sql/item_sum.cc:
  group_concat(...ORDER BY) didn't work with PS
  Removed variable warning_available as 'warning' can be used for this.
sql/item_sum.h:
  Removed not needed variable
sql/protocol.cc:
  TIME didn't support full range with PS
sql/set_var.cc:
  Style fix
sql/sql_base.cc:
  setup_wild() didn't properly restore old arena, which caused core dump in PS when using
  SELECT * FROM t1 NATURAL JOIN t2...
sql/sql_class.cc:
  Style fix
sql/sql_error.cc:
  Style fix
sql/sql_insert.cc:
  Create table didn't signal when table was created. This could cause a "DROP TABLE created_table" in another thread to wait "forever"
sql/sql_lex.h:
  Fix for PS and procedures
sql/sql_parse.cc:
  More debugging information
  Make a copy of 'db' in PS as this may change
  Fixed wrong permissions check in PS and multi-table updates
sql/sql_prepare.cc:
  Fix for PS and SELECT ... PROCEDURE
  Reset all warnings when executing a new query
sql/sql_union.cc:
  Fixes for PS and SELECT ... PROCEDURE
  Reset 'with_wild' as 'wild' is resolved on prepare

into poseidon.ndb.mysql.com:/home/tomas/mysql-4.1

into gluh.mysql.r18.ru:/home/gluh/MySQL-BUGS/mysql-4.1

into poseidon.ndb.mysql.com:/home/tomas/mysql-4.1

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.