- 01 Aug, 2007 3 commits
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istruewing@chilla.local authored
into chilla.local:/home/mydev/mysql-5.1-bug29838
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istruewing@chilla.local authored
into chilla.local:/home/mydev/mysql-5.0-bug29838
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istruewing@chilla.local authored
When using concurrent insert with parallel index reads, it could happen that reading sessions found keys that pointed to records yet to be written to the data file. The result was a report of a corrupted table. But it was false alert. When inserting a record in a table with indexes, the keys are inserted into the indexes before the record is written to the data file. When the insert happens concurrently to selects, an index read can find a key that references the record that is not yet written to the data file. To avoid any access to such record, the select saves the current end of file position when it starts. Since concurrent inserts are always appended at end of the data file, the select can easily ignore any concurrently inserted record. The problem was that the ignore was only done for non-exact key searches (partial key or using >, >=, < or <=). The fix is to ignore concurrently inserted records also for exact key searches. No test case. Concurrent inserts cannot be tested with the test suite. Test cases are attached to the bug report.
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- 28 Jul, 2007 3 commits
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istruewing@chilla.local authored
into chilla.local:/home/mydev/mysql-5.1-axmrg
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istruewing@chilla.local authored
into chilla.local:/home/mydev/mysql-5.0-axmrg
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istruewing@chilla.local authored
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- 27 Jul, 2007 3 commits
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svoj@june.mysql.com authored
into mysql.com:/home/svoj/devel/mysql/BUG29957/mysql-5.1-engines
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svoj@june.mysql.com authored
into mysql.com:/home/svoj/devel/mysql/BUG29957/mysql-5.0-engines
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svoj@mysql.com/june.mysql.com authored
INSERT/DELETE/UPDATE followed by ALTER TABLE within LOCK TABLES may cause table corruption on Windows. That happens because ALTER TABLE writes outdated shared state info into index file. Fixed by removing obsolete workaround. Affects MyISAM tables on Windows only.
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- 26 Jul, 2007 8 commits
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acurtis/antony@ltamd64.xiphis.org authored
into xiphis.org:/anubis/antony/work/mysql-5.1-engines.merge
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acurtis/antony@ltamd64.xiphis.org authored
into xiphis.org:/anubis/antony/work/mysql-5.1-engines.merge
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acurtis/antony@ltamd64.xiphis.org authored
into xiphis.org:/anubis/antony/work/mysql-5.0-engines.merge
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antony@pcg5ppc.xiphis.org authored
into pcg5ppc.xiphis.org:/Users/antony/Work/p1-bug29522.1
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gshchepa/uchum@gleb.loc authored
into gleb.loc:/home/uchum/work/bk/5.1-opt
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acurtis/antony@ltamd64.xiphis.org authored
into xiphis.org:/anubis/antony/work/p2-bug25679.3.merge-5.1
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gshchepa/uchum@gleb.loc authored
into gleb.loc:/home/uchum/work/bk/5.1-opt
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- 25 Jul, 2007 10 commits
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gshchepa/uchum@gleb.loc authored
Post-merge fix.
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gshchepa/uchum@gleb.loc authored
Post-merge fix.
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antony@pcg5ppc.xiphis.org authored
"log.cc:1448: failed assertion `mysql_bin_log.is_open() && rex_data->empty()'" When Federated's transaction support was disabled by bug29875, this assertion became unreproducable.
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gshchepa/uchum@gleb.loc authored
into gleb.loc:/home/uchum/work/bk/5.0-opt
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gshchepa/uchum@gleb.loc authored
into gleb.loc:/home/uchum/work/bk/5.1-opt
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acurtis/antony@ltamd64.xiphis.org authored
into xiphis.org:/anubis/antony/work/p2-bug25679.3.merge-5.1
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"Federated Denial of Service" Federated storage engine used to attempt to open connections within the ::create() and ::open() methods which are invoked while LOCK_open mutex is being held by mysqld. As a result, no other client sessions can open tables while Federated is attempting to open a connection. Long DNS lookup times would stall mysqld's operation and a rogue connection string which connects to a remote server which simply stalls during handshake can stall mysqld for a much longer period of time. This patch moves the opening of the connection much later, when the federated actually issues queries, by which time the LOCK_open mutex is no longer being held.
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gshchepa/uchum@gleb.loc authored
into gleb.loc:/home/uchum/work/bk/5.0-opt
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svoj@april.(none) authored
into mysql.com:/home/svoj/devel/mysql/BUG29806/mysql-5.1-engines
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svoj@mysql.com/april.(none) authored
Stopping mysql server could result in an entry in mysql error file: "InnoDB: Error: MySQL is freeing a thd". This happened because InnoDB assumes that the server will never call external_lock(F_UNLCK) in case external_lock(READ/WRITE) failed. Prior to this patch we haven't had strict definition whether external_lock(F_UNLCK) must be called in case external_lock(READ/WRITE) fails. This patch states that we never call external_lock(F_UNLCK) in case external_lock(READ/WRITE) fails.
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- 24 Jul, 2007 13 commits
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kostja@bodhi.(none) authored
into bodhi.(none):/opt/local/work/mysql-5.1-runtime
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kostja@bodhi.(none) authored
into bodhi.(none):/opt/local/work/mysql-5.1-runtime
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kostja@bodhi.(none) authored
into bodhi.(none):/opt/local/work/mysql-5.1-runtime
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kostja@bodhi.(none) authored
into bodhi.(none):/opt/local/work/mysql-5.0-runtime
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antony@pcg5ppc.xiphis.org authored
Merge pcg5ppc.xiphis.org:/private/Network/Servers/anubis.xiphis.org/home/antony/work/p2-bug25714.1.merge-5.0 into pcg5ppc.xiphis.org:/private/Network/Servers/anubis.xiphis.org/home/antony/work/p2-bug25714.1.merge-5.1
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antony@pcg5ppc.xiphis.org authored
--- fix compile on Windows for bug25714.c
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antony@pcg5ppc.xiphis.org authored
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antony@pcg5ppc.xiphis.org authored
Merge pcg5ppc.xiphis.org:/private/Network/Servers/anubis.xiphis.org/home/antony/work/p2-bug25714.1.merge-5.0 into pcg5ppc.xiphis.org:/private/Network/Servers/anubis.xiphis.org/home/antony/work/p2-bug25714.1.merge-5.1
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antony@pcg5ppc.xiphis.org authored
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antony@pcg5ppc.xiphis.org authored
Merge pcg5ppc.xiphis.org:/private/Network/Servers/anubis.xiphis.org/home/antony/work/p2-bug25714.1.merge-5.0 into pcg5ppc.xiphis.org:/private/Network/Servers/anubis.xiphis.org/home/antony/work/p2-bug25714.1.merge-5.1
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antony@pcg5ppc.xiphis.org authored
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evgen@moonbone.local authored
When the SQL_BIG_RESULT flag is specified SELECT should store items from the select list in the filesort data and use them when sending to a client. The get_addon_fields function is responsible for creating necessary structures for that. But this function was allowed to do so only for SELECT and INSERT .. SELECT queries. This makes the SQL_BIG_RESULT useless for the CREATE .. SELECT queries. Now the get_addon_fields allows storing select list items in the filesort data for the CREATE .. SELECT queries.
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acurtis/antony@ltamd64.xiphis.org authored
into xiphis.org:/anubis/antony/work/p2-bug25714.1.merge-5.1
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