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<!--$Id: 3.1.17.html,v 1.4 2007/05/17 18:17:18 bostic Exp $--> <html> <head> <title>The Berkeley DB Package: DB 3.1.17 Change Log</title> <meta name="description" content="Berkeley DB: A database programmatic toolkit."> <meta name="keywords" content="embedded,database,programmatic,toolkit,b+tree,btree,hash,hashing,transaction,transactions,locking,logging,access method,access methods"> </head> <body bgcolor=white> <h3 align=center>Berkeley DB 3.1.17 Change Log</h3> <h3>Database On-Disk Format Changes:</h3> <blockquote>None.</blockquote> <h3>Major New Features:</h3> <blockquote>None.</blockquote> <h3>Interface Additions and Changes:</h3> <ol> <li>The documentation for DB->set_feedback stated that the third argument to the callback function is "the percent of the operation remaining to be completed, specified as an integer value between 0 and 100", implying that it's a countdown from 100 to 0. The actual implementation was to count upward from 0 to 100. The documentation has been changed to match the code. [#2310] </ol> <h3>General Environment Changes:</h3> <ol> <li>Fix a bug where attempts to remove a region never returned. [#2379] <li>Fix a typo in the freeing of the shared log region. [#2379] <li>Remove the requirement that all threads of control using System V shared memory for regions specify the base segment ID [#2379] <li>Fix a bug where applications using different sets of regions in an environment would fail when using System V shared memory for the regions. [#2379] <li>Fix a bug where the DB_USE_ENVIRON_ROOT flag was incorrectly tested, using the environment for processes without sufficient privilege. [#2400] <li>Fix a bug where the error prefix was ignored by the Db handle method error calls. [#2484] <li>Fix a bug where the db_archive utility could create an environment that would cause applications or other Berkeley DB utilities to fail. [#2524] </ol> <h3>General Access Method Changes:</h3> <ol> <li>Fix a memory leak in the DB->verify method. [#2347] <li>Fix memory leaks in DB->rename and DB->remove method recovery [#2363] <li>Fix a bug in the DB->verify method where 64K pages with large offsets were incorrectly verified. [#2408] <li>Fix a bug where data strings containing % characters could be corrupted by the DB->verify method. [#2427] <li>Fix a bug where the DB_TRUNCATE flag could trigger a program error if the database type was not specified. [#2423] <li>Fix a bug in the Concurrent Data Store product where operations could result in application hang or segmentation fault. [#2493] </ol> <h3>Btree Access Method Changes:</h3> <ol> <li>Fix a bug where uninitialized parts of a database page could be read and an incorrect record count returned. [#2250] <li>Fix a bug where reverse splits could corrupt a page under rare conditions. [#2362] <li>Fix a bug where cursors in the parent of a nested transaction could be incorrectly adjusted after a child transaction was aborted. [#2373] <li>Fix a bug where threads could race when updating a tree. [#2402] <li>Fix a bug where a lock was leaked by the DB->stat method. [#2418] <li>Fix a bug where DB->put could fail when the data matched a duplicate data item previously deleted using a still-open cursor. [#2451] <li>Fix a bug where one abort path after a page allocation could leak the page. [#2455] <li>Fix a bug where recovering the operation of moving on-page duplicates into their own tree could cause corruption. [#2459] <li>Fix a bug where moving on-page duplicates into their own tree could cause cursors on the same page to reference an invalid key/data pair. [#2462] <li>Fix a bug where an error could be ignored when reverse splitting the tree. [#2472] <li>Fix a bug where creating Btrees deeper than 5 levels could cause core dumps or out-of-memory errors. [#2514] <li>Fix a bug where the DB->verify method did not correctly diagnose Btree/Recno internal page references to invalid pages. [#2525] </ol> <h3>Hash Access Method Changes:</h3> <blockquote>None.</blockquote> <h3>Queue Access Method Changes:</h3> <ol> <li>Fix a bug where undo could happen incorrectly for record insert and delete. [#2298] <li>Fix a bug where a page could be leaked during Queue recovery. [#2431] </ol> <h3>Recno Access Method Changes:</h3> <ol> <li>Fix a bug where the delete flag was set incorrectly in renumbering Recno trees. [#2490] </ol> <h3>C++ API Changes:</h3> <blockquote>None.</blockquote> <h3>Java API Changes:</h3> <ol> <li>Fix a bug where the wrong classname was used to find the fieldId in storing back the DbEnv.private_dbobj field. [#1628] <li>Fix a Java documentation bug, the com.sleepycat.examples.AccessExample program removes the database so information from previous runs is not available. [#2385] <li>Fix a Java documentation bug, Db.del should show it returning int. [#2480] <li>Fix a bug where the Java Db.del API would fail to return Db.DB_NOTFOUND [#2480] <li>Fix a bug where the Db.DB_THREAD flag wasn't always set by Java. [#2492] </ol> <h3>Tcl API Changes:</h3> <ol> <li>Fix a bug where DB_USE_ENVIRON_ROOT was specified for the Tcl command -use_environ. [#2400] </ol> <h3>RPC Client/Server Changes:</h3> <blockquote>None.</blockquote> <h3>XA Resource Manager Changes:</h3> <blockquote>None.</blockquote> <h3>Locking Subsystem Changes:</h3> <blockquote>None.</blockquote> <h3>Logging Subsystem Changes:</h3> <ol> <li>Fix a bug where the underlying operating system sync interface could be unnecessarily (and repeatedly) called when performing transaction checkpoints. [#2287] <li>Fix a bug where a recovery diagnostic message displayed the wrong information. [#2449] </ol> <h3>Buffer Pool Subsystem Changes:</h3> <ol> <li>Fix a bug where calling memp_sync (including by transaction checkpoint) could cause shared region corruption and core dumps. [#2348, #2392] </ol> <h3>Transaction Subsystem Changes:</h3> <ol> <li>Fix a bug where recovery would succeed but drop core if no close record was ever written after the commit of a remove. [#2316] <li>Fix a bug where file ID mapping could be incorrect [#2324] <li>Fix a memory leak in abort of a nested transaction. [#2440] <li>Fix a freed memory reference when committing active child transactions during parent transaction commit. [#2457] </ol> <h3>Utility Changes:</h3> <blockquote>None.</blockquote> <h3>Configuration, Documentation, Portability and Build Changes:</h3> <ol> <li>Portability fixes to compile on SunOS 4.1.4. [#2309] <li>Fix a bug where VxWorks hash databases could be corrupted on dosFS filesystems because Berkeley DB did not correct for dirty filesystem reads. [#2317] <li>Add a workaround for a MoveFileEx bug in Windows/98 which caused the DB->rename method to fail. [#2341] <li>Fix a bug where the VxWorks support did not accept both slash and backslash as path separators. [#2393] <li>Fix a bug where VxWorks device names were not ignored when evaluating paths. [#2393] <li>Fix txn_begin documentation to correctly specify operations available to parent transactions with active child transactions. [#2457] <li>Fix txn_commit documentation to correctly specify effect of parent transaction commit on active child transactions. [#2457] <li>Fix a bug in the Reference Guide where txn_begin and txn_commit examples had the wrong arguments. [#2485] <li>Fix the documentation on extending Berkeley DB recovery to reference the correct filenames. [#2501] <li>Fix a bug where the DB_CLIENT flag was not listed in the C++/Java API DbEnv class constructor documentation. [#2510] <li>Fix a bug where the DbEnv->set_server interface was not documented for the C++/Java APIs. [#2510] <li>Fix the DBENV->remove method's argument documentation. [#2518] <li>Fix a bug where the Java DbEnv.strerror and version number methods weren't documented. [#2523] </ol> </body> </html>
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