into  moonlight.home:/home/tomash/src/mysql_ab/mysql-5.1-bug23527


sql/sql_cache.cc:
  Auto merged

           high load

MySQL server could crash if two or more threads would initiate query
cache resize at the moments very close in time.

The problem was introduced with the fix of bug 21051 in 5.0 and 5.1:
simultaneous query cache resizes would wait for the first one in
progress, but then each thread would try to finish the operation,
accessing the data that was already reset (attempt to dereference
'bins' pointer, which may be NULL already).

The solution is to check after synchronization if another thread has
done the reset already (test 'query_cache_size > 0' again).

No test case is provided because the bug is a subject to a race.


sql/sql_cache.cc:
  We release 'structure_guard_mutex' in flush_cache(), so after the
  call we check if another thread had reset the cache before us.

into  mockturtle.local:/home/dlenev/src/mysql-5.1-merge

into  mockturtle.local:/home/dlenev/src/mysql-5.1-merge


sql/mysqld.cc:
  Auto merged
sql/sql_class.cc:
  Auto merged

into  mysql.com:/home/svoj/devel/mysql/merge/mysql-5.1-engines


mysql-test/r/symlink.result:
  Auto merged
mysql-test/t/symlink.test:
  Auto merged
sql/ha_ndbcluster.cc:
  Auto merged
sql/mysqld.cc:
  Auto merged
sql/sql_class.cc:
  Auto merged
sql/table.cc:
  Auto merged
mysql-test/r/myisam.result:
  Use local.
mysql-test/t/myisam.test:
  Use local.

into  mysql.com:/home/svoj/devel/mysql/merge/mysql-5.1-engines


mysql-test/r/symlink.result:
  Auto merged
mysql-test/t/symlink.test:
  Auto merged
sql/lock.cc:
  Auto merged
sql/opt_range.cc:
  Auto merged
sql/sql_class.h:
  Auto merged
sql/sql_insert.cc:
  Auto merged
sql/sql_parse.cc:
  Auto merged
sql/table.cc:
  Auto merged
storage/federated/ha_federated.cc:
  Auto merged
storage/myisam/mi_check.c:
  Auto merged
storage/myisam/mi_packrec.c:
  Auto merged
mysql-test/r/myisam.result:
  Manually merged.
mysql-test/t/myisam.test:
  Manually merged.

into  weblab.(none):/home/marcsql/TREE/mysql-5.1-21029


Makefile.am:
  Auto merged
sql/Makefile.am:
  Auto merged
sql/sql_yacc.yy:
  Auto merged

The build scripts in general, using automake, autoconf, etc, contain several
special commands and work around all related to the way the bison code in the
parser is built, for sql/sql_yacc.yy. These work arounds, accumulated over
time during development, ultimately cause the build scripts to be unstable
and cause build defects by not enforcing dependencies.

This fix simplifies the build process and aligns it with the automake tooling,
which provides native support for bison and *.yy files.

In particular, the following problem have been fixed:
- dependencies with sql_yacc.cc were not honored (Bug 21029), leading to
  corrupted builds,
- the work around introduced by Bug 24557, to cleanup the generated files
  sql_yacc.h and sql_yacc.cc, has been removed,
- the generated makefile, in a source distribution, used to destroy the files
  sql_yacc.h and sql_yacc.cc on a 'make clean' target. This has been fixed:
  these files are now removed by make maintainer-clean.
- The root cause of the problem found with gcc 4.1 (see Bug 24619) has been
  clearly documented, and the "sed" hack has been replaced by a cleaner
  work around, when building the code with bison 1.875.
- Removed the file sql/sql_yacc.yy.bak, added by WL 3031 by accident.
- Removed the unnecessary AM_YFLAG= --debug introduced by WL 3432, since
  the compiling option DBUG_OFF takes precedence when setting YYDEBUG.


BitKeeper/deleted/.del-sql_yacc.yy.bak:
  Rename: sql/sql_yacc.yy.bak -> BitKeeper/deleted/.del-sql_yacc.yy.bak
Makefile.am:
  General cleanup of the build process for sql_yacc.yy
sql/Makefile.am:
  General cleanup of the build process for sql_yacc.yy
sql/sql_yacc.yy:
  General cleanup of the build process for sql_yacc.yy

into  mysql.com:/home/svoj/devel/mysql/merge/mysql-5.0-engines


mysql-test/t/myisam.test:
  Auto merged

into  mysql.com:/home/svoj/devel/mysql/merge/mysql-5.0-engines


mysql-test/r/symlink.result:
  Auto merged
mysql-test/t/symlink.test:
  Auto merged
sql/table.cc:
  Auto merged
mysql-test/r/myisam.result:
  Manually merged.
mysql-test/t/myisam.test:
  Manually merged.

into  mockturtle.local:/home/dlenev/src/mysql-5.1-merge


mysql-test/t/ps.test:
  Auto merged
sql/mysqld.cc:
  Auto merged
sql/sql_class.cc:
  Auto merged
mysql-test/t/disabled.def:
  Manual merge.

the team tree for additional investigation.

into  mockturtle.local:/home/dlenev/src/mysql-5.0-merge


mysql-test/t/disabled.def:
  Auto merged
mysql-test/t/ps.test:
  Auto merged

into  mockturtle.local:/home/dlenev/src/mysql-5.1-merge


mysql-test/t/disabled.def:
  Auto merged
mysql-test/t/ps.test:
  Auto merged
sql/sql_view.cc:
  Auto merged

into  chilla.local:/home/mydev/mysql-5.0-bug24607


mysql-test/r/myisam.result:
  Auto merged
mysql-test/t/myisam.test:
  Auto merged

into  chilla.local:/home/mydev/mysql-5.1-bug24607


mysql-test/r/myisam.result:
  Auto merged
mysql-test/t/myisam.test:
  Auto merged

into  chilla.local:/home/mydev/mysql-5.1-bug24607


mysql-test/t/myisam.test:
  Auto merged
mysql-test/r/myisam.result:
  Manual merged

After merge fix

into  chilla.local:/home/mydev/mysql-5.0-bug24607


mysql-test/r/myisam.result:
  Manual merged
mysql-test/t/myisam.test:
  Manual merged

Fixed test. On 32-bit machines which compile without
-DBIG_TABLES, MAX_ROWS is truncated to a 32-bit value.
Using a value below 4G is portable.


mysql-test/r/myisam.result:
  Bug#24607 - MyISAM pointer size determined incorrectly
  Fixed test results.

into  kahlann.erinye.com:/home/df/mysql/build/mysql-5.0-build-work


sql/ha_ndbcluster.cc:
  Auto merged

into  kahlann.erinye.com:/home/df/mysql/build/mysql-5.1-build-work

into  mysql.com:/home/svoj/devel/mysql/BUG24401/mysql-5.1-engines


mysql-test/r/myisam.result:
  Auto merged
mysql-test/t/myisam.test:
  Auto merged

into  mysql.com:/home/svoj/devel/mysql/BUG24401/mysql-5.1-engines

table in insert ... on duplicate key" in 5.1 tree.


mysql-test/t/sp-error.test:
  After merge fix.

into  mockturtle.local:/home/dlenev/src/mysql-5.1-bg24491


mysql-test/t/sp-error.test:
  Auto merged
sql/item.h:
  Auto merged
sql/sql_table.cc:
  Auto merged
mysql-test/r/ps.result:
  SCCS merged
mysql-test/r/sp-error.result:
  SCCS merged
mysql-test/t/disabled.def:
  SCCS merged
mysql-test/t/ps.test:
  SCCS merged

into  mysql.com:/home/svoj/devel/mysql/BUG24401/mysql-5.0-engines


mysql-test/r/myisam.result:
  Auto merged
mysql-test/t/myisam.test:
  Auto merged

into  mysql.com:/home/svoj/devel/mysql/BUG24401/mysql-5.0-engines

into  mysql.com:/home/svoj/devel/mysql/BUG24401/mysql-4.1-engines

into  willster.(none):/home/stewart/Documents/MySQL/5.0/ndb-work

into  willster.(none):/home/stewart/Documents/MySQL/5.1/ndb-work


storage/ndb/src/common/util/SocketClient.cpp:
  Auto merged

ndb/src/common/util/SocketClient.cpp:
  fix two problems recently introduced:
  - HPUX build problem
  - some connect errors not being detected properly

into  poseidon.mysql.com:/home/tomas/mysql-5.0-ndb


sql/mysqld.cc:
  Auto merged
sql/sql_class.cc:
  Auto merged

into  chilla.local:/home/mydev/mysql-4.1-bug24607


mysql-test/r/myisam.result:
  Auto merged
mysql-test/t/myisam.test:
  Auto merged

into  production.mysql.com:/usersnfs/mjorgensen/bktrees/mysql-5.1-build


sql/ha_ndbcluster.cc:
  Auto merged
sql/mysqld.cc:
  Auto merged

into  chilla.local:/home/mydev/mysql-5.0-bug24607


mysql-test/r/myisam.result:
  Auto merged
mysql-test/t/myisam.test:
  Auto merged

into  xiphis.org:/home/antony/work2/p1-bug25396.5


sql/ha_ndbcluster.cc:
  Auto merged
sql/mysqld.cc:
  Auto merged

into  chilla.local:/home/mydev/mysql-5.1-bug24607