check that row elements have the same dimention that SELECT list elements in comporison between rows and subqueries added (BUG#8022)

fixed cols() method call (it have to be called only after fix_fields())

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

into rurik.mysql.com:/home/igor/dev/mysql-4.1-0

  Added a test case for bug #7945.
sql_select.cc:
  Fixed bug #7945. If DISTINCT is used only with constants
  in a query with GROUP BY, we can apply an optimization
  that set LIMIT to 1 only in the case when there is 
  no SQL_CALC_FOUND_ROWS.

  Fix a race condition that could cause the assertion space->n_pending_flushes == 0 to fail in fil0fil.c, in fil_space_free(), in DROP TABLE or in ALTER TABLE

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

corrected possible unalignment in NdbRecAttr access methods

into mysql.com:/home/timka/mysql/src/4.1-virgin

  Fix bug #8021 :Windows error number 87 with multiple tablespaces after mysqld restart; still has to be tested on Windows that this now works

  Fix bug #7831: ALTER TABLE ... ADD CONSTRAINT PRIMARY KEY ... complained about bad foreign key definition

into mysql.com:/home/timka/mysql/src/4.1-dbg

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

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

SHOW KEYS FROM t1 now displays number of characters in Sub_part,
not number of bytes, to be compatible with SHOW CREATE TABLE.

  Make sure to ship error code in system error signal

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

into mysql.com:/Users/kent/mysql/bk/mysql-4.1-perl

into mysql.com:/Users/kent/mysql/bk/mysql-4.1-perl

  Bug#7834 Illegal mix of collations in IN operator
  IN was the first function supporting 
  character set convertion.
  agg_arg_charsets() was written afterwards,
  which is more flexible.
  Now IN just reuses this function.

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

  release connections when last op was simple read

  environment (using "build" on SUSE Linux)

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

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

  Minor fix after character set conversion.

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

  Add SJIS version of Japanese error messages.
  Windows version should include this new file,
  instead of the EUC-JP version.

  new file

into mysql.com:/dbdata/psergey/mysql-4.1-bug7885

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

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

(Simpler fix than last commit -- no need to mess with base_cxxflags.)