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From:Chad MILLER Date:August 11 2006 1:49pm
Subject:bk commit into 5.1 tree (cmiller:1.2272) BUG#18875
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Below is the list of changes that have just been committed into a local
5.1 repository of cmiller. When cmiller does a push these changes will
be propagated to the main repository and, within 24 hours after the
push, to the public repository.
For information on how to access the public repository
see http://dev.mysql.com/doc/mysql/en/installing-source-tree.html

ChangeSet@stripped, 2006-08-11 09:49:01-04:00, cmiller@stripped +1 -0
  Bug#18875: Default value of tmp_table_size is meaningless
  
  It makes no sense to have a default tmp_table_size larger than the 
  max_heap_table_size .  In usage, the tmp is ever limited to the max value, 
  so I lowered the default tmp to the default max value.
  
  A great idea would be to emit a warning when the tmp_table_size is set to 
  greater than max_heap_table_size .

  sql/mysqld.cc@stripped, 2006-08-11 09:48:59-04:00, cmiller@stripped +1 -1
    Lowered tmp_table_size default to be the same as max_heap_table_size default.

# This is a BitKeeper patch.  What follows are the unified diffs for the
# set of deltas contained in the patch.  The rest of the patch, the part
# that BitKeeper cares about, is below these diffs.
# User:	cmiller
# Host:	zippy.cornsilk.net
# Root:	/home/cmiller/work/mysql/mysql-5.1-new-maint

--- 1.573/sql/mysqld.cc	2006-08-11 09:49:05 -04:00
+++ 1.574/sql/mysqld.cc	2006-08-11 09:49:05 -04:00
@@ -6310,7 +6310,7 @@
    "If an in-memory temporary table exceeds this size, MySQL will automatically convert it to an on-disk MyISAM table.",
    (gptr*) &global_system_variables.tmp_table_size,
    (gptr*) &max_system_variables.tmp_table_size, 0, GET_ULONG,
-   REQUIRED_ARG, 32*1024*1024L, 1024, ~0L, 0, 1, 0},
+   REQUIRED_ARG, 16*1024*1024L, 1024, ~0L, 0, 1, 0},  /* See  max_heap_table_size . */
   {"transaction_alloc_block_size", OPT_TRANS_ALLOC_BLOCK_SIZE,
    "Allocation block size for transactions to be stored in binary log",
    (gptr*) &global_system_variables.trans_alloc_block_size,
Thread
bk commit into 5.1 tree (cmiller:1.2272) BUG#18875Chad MILLER11 Aug