- 14 Nov, 2007 3 commits
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dkatz@damien-katzs-computer.local authored
into damien-katzs-computer.local:/Users/dkatz/cmdline_events_bug
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dkatz@damien-katzs-computer.local authored
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dkatz@damien-katzs-computer.local authored
into damien-katzs-computer.local:/Users/dkatz/mysql-5.1-runtime
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- 12 Nov, 2007 2 commits
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anozdrin/alik@station. authored
wait_condition timeout. The problem was that the event thread didn't manage to execute the event in 30 seconds on highly-loaded box. The fix is to increase timeout. This is a fix for the test suite.
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anozdrin/alik@station. authored
in stored procedure. The problem was that MySQL used unnecessarily large amounts of memory if user variables were used as an argument to CONCAT or CONCAT_WS -- 16M per each user variable used. Technically, it happened because MySQL used the following allocation strategy for string functions to avoid multiple realloc() calls: in the virtual operation fix_length_and_dec() the attribute max_length was calculated as a sum of max_length values for each argument. Although this approach worked well for small (or fixed) data types, there could be a problem if there as a user variable among the arguments of a string function -- max_length of the function would be 16M (as the max_length of a user variable is 16M). Both CONCAT() and CONCAT_WS() functions suffer from this problem. The fix is to do not use meta-data for allocating memory. The following strategy is proposed instead: allocate the exact length of the result string at the first record, double the amount of memory allocated when it is required. No test case for this bug because there is no way to test memory consumption in a robust way with our test suite.
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- 06 Nov, 2007 2 commits
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gkodinov/kgeorge@magare.gmz authored
into magare.gmz:/home/kgeorge/mysql/autopush/B31974-5.1-runtime
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gkodinov/kgeorge@magare.gmz authored
loose index scan enabled for subqueries
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- 05 Nov, 2007 5 commits
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malff@lambda.hsd1.co.comcast.net. authored
into lambda.hsd1.co.comcast.net.:/home/malff/TREE/mysql-5.1-rt-merge
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malff@lambda.hsd1.co.comcast.net. authored
into lambda.hsd1.co.comcast.net.:/home/malff/TREE/mysql-5.1-rt-merge
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malff@lambda.hsd1.co.comcast.net. authored
into lambda.hsd1.co.comcast.net.:/home/malff/TREE/mysql-5.0-rt-merge
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tomas@whalegate.ndb.mysql.com authored
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gkodinov/kgeorge@magare.gmz authored
The fix for bug 31148 is not correct. It does not have a relation to the problem described in this bug. And removing the fix will not make the bug to re-appear. Fixed the bug #31974 by removing the fix for bug 31148 and adding a test case.
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- 02 Nov, 2007 4 commits
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tomas@whalegate.ndb.mysql.com authored
into whalegate.ndb.mysql.com:/home/tomas/mysql-5.1-new-ndb-merge
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tomas@whalegate.ndb.mysql.com authored
into whalegate.ndb.mysql.com:/home/tomas/mysql-5.0-ndb-merge
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tomas@whalegate.ndb.mysql.com authored
into whalegate.ndb.mysql.com:/home/tomas/mysql-5.0-ndb-merge
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kostja@bodhi.(none) authored
deletes rows if error evaluating WHERE"
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- 01 Nov, 2007 22 commits
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kostja@bodhi.(none) authored
into bodhi.(none):/opt/local/work/mysql-5.1-runtime-inc-2
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kostja@bodhi.(none) authored
error evaluating WHERE" DELETE with a subquery in WHERE clause would sometimes ignore subquery evaluation error and proceed with deletion. The fix is to check for an error after evaluation of the WHERE clause in DELETE. Addressed review comments.
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davi@endora.local authored
into endora.local:/Users/davi/mysql/mysql-5.1-runtime
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davi@endora.local authored
into endora.local:/Users/davi/mysql/mysql-5.1-runtime
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davi@endora.local authored
If a stored function that contains a drop temporary table statement is invoked by a create temporary table of the same name may cause a server crash. The problem is that when dropping a table no check is done to ensure that table is not being used by some outer query (or outer statement), potentially leaving the outer query with a reference to a stale (freed) table. The solution is when dropping a temporary table, always check if the table is being used by some outer statement as a temporary table can be dropped inside stored procedures. The check is performed by looking at the TABLE::query_id value for temporary tables. To simplify this check and to solve a bug related to handling of temporary tables in prelocked mode, this patch changes the way in which this member is used to track the fact that table is used/unused. Now we ensure that TABLE::query_id is zero for unused temporary tables (which means that all temporary tables which were used by a statement should be marked as free for reuse after it's execution has been completed).
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davi@endora.local authored
The mysql_change_user command fails to properly update the database pointer when no database is selected, leading to "use after free" errors. The same happens on the user privilege pointer in the thread security context. The solution is to properly reset and update the database name. Also update the user_priv pointer so that it doesn't point to freed memory.
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tomas@whalegate.ndb.mysql.com authored
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kostja@bodhi.(none) authored
there is nothing to recover. Discovered while working on Bug#12713
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kostja@bodhi.(none) authored
into bodhi.(none):/opt/local/work/mysql-5.1-net_end
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kostja@bodhi.(none) authored
error in mysql_create_frm instead of direct access to my_error() members. This is a pre-requisite for the patch for Bug#12713.
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malff@lambda.hsd1.co.comcast.net. authored
into lambda.hsd1.co.comcast.net.:/home/malff/TREE/mysql-5.1-rt-merge
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kostja@bodhi.(none) authored
in evaluate_join_record(). A minor cleanup required for the fix for Bug#12713.
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kostja@bodhi.(none) authored
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malff@lambda.hsd1.co.comcast.net. authored
into lambda.hsd1.co.comcast.net.:/home/malff/TREE/mysql-5.1-rt-merge
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malff@lambda.hsd1.co.comcast.net. authored
into lambda.hsd1.co.comcast.net.:/home/malff/TREE/mysql-5.0-rt-merge
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kostja@bodhi.(none) authored
into bodhi.(none):/opt/local/work/mysql-5.1-runtime-inc-2
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tomas@whalegate.ndb.mysql.com authored
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tomas@whalegate.ndb.mysql.com authored
into whalegate.ndb.mysql.com:/home/tomas/mysql-5.1-new-ndb-merge
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tomas@whalegate.ndb.mysql.com authored
into whalegate.ndb.mysql.com:/home/tomas/mysql-5.1-new-ndb-merge
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tomas@whalegate.ndb.mysql.com authored
into whalegate.ndb.mysql.com:/home/tomas/cge-5.1
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knielsen@loke.(none) authored
into loke.(none):/home/knielsen/devel/mysql-5.1-new-ndb
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knielsen@ymer.(none) authored
Fix uninitialized variable causing failures for some interpreted update operations on gcc 4.2.1.
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- 31 Oct, 2007 2 commits
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kostja@bodhi.(none) authored
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