Fixes for valgrind

Added optimzation for clustered index
Fixed bug in UPDATE ... ORDER BY
Fixed handling of UPDATE ... LIMIT


BitKeeper/deleted/.del-.cvsignore~7e29af89a3559f4c:
  Delete: Images/.cvsignore
BitKeeper/deleted/.del-README~d5a4e7ca3a2e87a9:
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BitKeeper/deleted/.del-run-all-tests~4deb6479a13e4568:
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BitKeeper/deleted/.del-run.test~3dc5b9bd1e9feea5:
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BitKeeper/deleted/.del-run.test~4020771cff278f14:
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BitKeeper/deleted/.del-run.test~452f2b66537404a8:
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BitKeeper/deleted/.del-run.test~b1f0c1f96554df8:
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BitKeeper/deleted/.del-table-dump-check.master~e13afeb8c79264b5:
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BitKeeper/deleted/.del-table-dump-select.master~744acb955e33f3db:
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BitKeeper/deleted/.del-x.master~29a93ed7956c8693:
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BitKeeper/deleted/.del-repl-timestamp.master.reject~3492d2b74b413771:
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BitKeeper/deleted/.del-sum-wlen-master.master~1a5ea625c79e978:
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BitKeeper/deleted/.del-sum-wlen-slave.master~f016d98833433084:
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BitKeeper/deleted/.del-test.master~5829e7b3770179db:
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BitKeeper/deleted/.del-master-slave.inc~6775f6ae10137c39:
  Delete: repl-tests/include/master-slave.inc
include/my_global.h:
  Fix for purify/valgrind
myisam/mi_info.c:
  Updated comment
mysql-test/r/group_by.result:
  New test results
mysql-test/r/innodb.result:
  New test results
mysql-test/r/join_outer.result:
  New test results
mysql-test/r/multi_update.result:
  New test results
mysql-test/r/null_key.result:
  New test results
mysql-test/r/update.result:
  New test results
mysql-test/t/group_by.test:
  Added extra explain to 'suspicious' test.
mysql-test/t/innodb.test:
  Added test for UPDATE ... ORDER BY
mysql-test/t/join_outer.test:
  Changed test to be repeatable
mysql-test/t/multi_update.test:
  Slight change of test to catch more bugs
mysql-test/t/update.test:
  Better test for UPDATE ... ORDER BY
sql/field.cc:
  Simple optimization
sql/ha_heap.h:
  Added optimzation for clustered index
sql/ha_innodb.cc:
  Added optimzation for clustered index
sql/ha_innodb.h:
  Added optimzation for clustered index
sql/handler.h:
  Added optimzation for clustered index
sql/item_sum.cc:
  Removed some usage of current_thd
sql/mysqld.cc:
  Fix bug when compiling for purify/valgrind
sql/opt_range.cc:
  Added optimzation for clustered index
sql/records.cc:
  Fixed comment
sql/sql_list.h:
  Fixed comment
sql/sql_select.cc:
  Removed some usage of current_thd
sql/sql_select.h:
  Removed some usage of current_thd
sql/sql_union.cc:
  Removed some usage of current_thd
sql/sql_update.cc:
  Fixed bug in UPDATE ... ORDER BY
  Fixed handling of UPDATE ... LIMIT
support-files/my-huge.cnf.sh:
  Added default size for query cache
support-files/my-large.cnf.sh:
  Added default size for query cache

2 files changed, 2 insertions, 0 deletions

diff --git a/support-files/my-huge.cnf.sh b/support-files/my-huge.cnf.sh
index 3362d5bd131..61d0a923058 100644
--- a/support-files/my-huge.cnf.sh
+++ b/support-files/my-huge.cnf.sh
@@ -33,6 +33,7 @@ set-variable	= sort_buffer_size=2M
 set-variable	= read_buffer_size=2M
 set-variable	= myisam_sort_buffer_size=64M
 set-variable	= thread_cache=8
+set-variable	= query_cache_size=32M
 # Try number of CPU's*2 for thread_concurrency
 set-variable	= thread_concurrency=8
 
diff --git a/support-files/my-large.cnf.sh b/support-files/my-large.cnf.sh
index 5bc3a8eb0c4..56ac70450e6 100644
--- a/support-files/my-large.cnf.sh
+++ b/support-files/my-large.cnf.sh
@@ -33,6 +33,7 @@ set-variable	= sort_buffer_size=1M
 set-variable	= read_buffer_size=1M
 set-variable	= myisam_sort_buffer_size=64M
 set-variable	= thread_cache=8
+set-variable	= query_cache_size=16M
 # Try number of CPU's*2 for thread_concurrency
 set-variable	= thread_concurrency=8