Lots of fixes for BDB tables (7617d198) · Commits · Software / OSDI20 Artifacts / mariadb

.bzrignore

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		@@ -425,3 +425,4 @@ mysql-test/var/slave-data/mysql-bin.012
		mysql-test/var/slave-data/mysql-bin.013
		mysql-test/var/slave-data/mysql-bin.014
		mysql-test/var/slave-data/mysql-bin.index
		scripts/mysqld_multi

BitKeeper/etc/logging_ok

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		jani@prima.mysql.com
		sasha@mysql.sashanet.com
		sasha@work.mysql.com
		serg@serg.mysql.com
		jani@prima.mysql.fi
		monty@donna.mysql.com

Docs/manual.texi

+70 −26

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		@@ -31688,9 +31688,9 @@ for a similar query to get the correct row count.
		@cindex Borland Buidler 4 program
		@item Borland Builder 4
		When you start a query you can use the property @code{Active} or use the
		method @code{Open}. Note that @code{Active} will start by automatically issuing
		a @code{SELECT * FROM ...} query that may not be a good thing if your tables
		are big!
		method @code{Open}. Note that @code{Active} will start by automatically
		issuing a @code{SELECT * FROM ...} query that may not be a good thing if
		your tables are big!
		@item ColdFusion (On Unix)
		The following information is taken from the ColdFusion documentation:

		@@ -31702,11 +31702,16 @@ newer version should also work.) You can download @strong{MyODBC} at
		@uref{http://www.mysql.com/downloads/api-myodbc.html}

		@cindex ColdFusion program
		ColdFusion Version 4.5.1 allows you to us the ColdFusion Administrator to add
		the @strong{MySQL} data source. However, the driver is not included with
		ColdFusion Version 4.5.1. Before the @strong{MySQL} driver will appear in the ODBC
		datasources drop-down list, you must build and copy the @strong{MyODBC} driver
		to @file{/opt/coldfusion/lib/libmyodbc.so}.
		ColdFusion Version 4.5.1 allows you to us the ColdFusion Administrator
		to add the @strong{MySQL} data source. However, the driver is not
		included with ColdFusion Version 4.5.1. Before the @strong{MySQL} driver
		will appear in the ODBC datasources drop-down list, you must build and
		copy the @strong{MyODBC} driver to
		@file{/opt/coldfusion/lib/libmyodbc.so}.

		The Contrib directory contains the program mydsn-xxx.zip which allows
		you to build and remove the DSN registry file for the MyODBC driver
		on Coldfusion applications.

		@cindex DataJunction
		@item DataJunction
		@@ -38643,13 +38648,18 @@ databases. By Hal Roberts.
		Interface for Stk. Stk is the Tk widgets with Scheme underneath instead of Tcl.
		By Terry Jones.

		@item @uref{http://www.mysql.com/Downloads/Contrib/eiffel-wrapper-1.0.tar.gz,eiffel-wrapper-1.0.tar.gz}.
		@item @uref{http://www.mysql.com/Downloads/Contrib/eiffel-wrapper-1.0.tar.gz,eiffel-wrapper-1.0.tar.gz}
		Eiffel wrapper by Michael Ravits.

		@item @uref{http://www.mysql.com/Downloads/Contrib/SQLmy0.06.tgz,SQLmy0.06.tgz}.
		@item @uref{http://www.mysql.com/Downloads/Contrib/SQLmy0.06.tgz,SQLmy0.06.tgz}
		FlagShip Replaceable Database Driver (RDD) for MySQL. By Alejandro
		Fernandez Herrero.
		@uref{http://www.fship.com/rdds.html, Flagship RDD home page}

		@item @uref{http://www.mysql.com/Downloads/Contrib/mydsn-1.0.zip,mydsn-1.0.zip}
		Binary and source for @code{mydsn.dll}. mydsn should be used to build
		and remove the DSN registry file for the MyODBC driver in Coldfusion
		applications. By Miguel Angel Solórzano.
		@end itemize

		@appendixsec Clients
		@@ -39603,36 +39613,49 @@ though, so Version 3.23 is not released as a stable version yet.
		@appendixsubsec Changes in release 3.23.29
		@itemize @bullet
		@item
		Changed drop table to first drop the tables and then the @code{.frm} file.
		@item
		Fixed a bug in the hostname cache which caused @code{mysqld} to report the
		hostname as '' in some error messages.
		@item
		Fixed a bug with @code{HEAP} type tables; the variable
		@code{max_heap_table_size} wasn't used. Now either @code{MAX_ROWS} or
		@code{max_heap_table_size} can be used to limit the size of a @code{HEAP}
		type table.
		@item
		Renamed variable @code{bdb_lock_max} to @code{bdb_max_lock}.
		@item
		Changed the default server-id to 1 for masters and 2 for slaves
		to make it easier to use the binary log.
		@item
		Added @code{CHECK}, @code{ANALYZE} and @code{OPTIMIZE} of BDB tables.
		Renamed variable @code{bdb_lock_max} to @code{bdb_max_lock}.
		@item
		Added support for @code{auto_increment} on sub fields for BDB tables.
		@item
		Added @code{ANALYZE} of BDB tables.
		@item
		Store in BDB tables the number of rows; This helps to optimize queries
		when we need an approximation of the number of row.
		@item
		Made @code{DROP TABLE}, @code{RENAME TABLE}, @code{CREATE INDEX} and
		@code{DROP INDEX} are now transaction endpoints.
		If we get an error in a multi-row statement, we now only rollback the
		last statement, not the entire transaction.
		@item
		If you do a @code{ROLLBACK} when you have updated a non-transactional table
		you will get an error as a warning.
		@item
		Added option @code{--bdb-shared-data} to @code{mysqld}.
		@item
		Added status variable @code{Slave_open_temp_tables}.
		@item
		Added variables @code{binlog_cache_size} and @code{max_binlog_cache_size} to
		@code{mysqld}.
		@item
		Made @code{DROP TABLE}, @code{RENAME TABLE}, @code{CREATE INDEX} and
		@code{DROP INDEX} are now transaction endpoints.
		@item
		If you do a @code{DROP DATABASE} on a symbolic linked database, both
		the link and the original database is deleted.
		@item
		Fixed that @code{DROP DATABASE} works on OS/2.
		@item
		New client @code{mysqld_multi}. @xref{mysqld_multi}.
		@item
		Fixed bug when doing a @code{SELECT DISTINCT ... table1 LEFT JOIN
		table2..} when table2 was empty.
		@item
		@@ -39640,13 +39663,13 @@ Added @code{--abort-slave-event-count} and
		@code{--disconnect-slave-event-count} options to @code{mysqld} for
		debugging and testing of replication.
		@item
		added @code{Slave_open_temp_tables} status variable.
		@item
		Fixed replication of temporary tables. Handles everything except
		slave server restart.
		@item
		@code{SHOW KEYS} now shows whether or not key is @code{FULLTEXT}.
		@item
		New script @code{mysqld_multi}. @xref{mysqld_multi}.
		@item
		Added new script, @file{mysql-multi.server.sh}. Thanks to
		Tim Bunce @email{Tim.Bunce@@ig.co.uk} for modifying @file{mysql.server} to
		easily handle hosts running many @code{mysqld} processes.
		@@ -39682,12 +39705,6 @@ with FrontBase.
		Allow @code{RESTRICT} and @code{CASCADE} after @code{DROP TABLE} to make
		porting easier.
		@item
		If we get an error we now only rollback the statement (for BDB tables),
		not the entire transaction.
		@item
		If you do a @code{ROLLBACK} when you have updated a non-transactional table
		you will get an error as a warning.
		@item
		Reset status variable which could cause problem if one used @code{--slow-log}.
		@item
		Added variable @code{connect_timeout} to @code{mysql} and @code{mysqladmin}.
		@@ -44053,6 +44070,32 @@ Fixed @code{DISTINCT} with calculated columns.
		@node Bugs, TODO, News, Top
		@appendix Known errors and design deficiencies in MySQL

		The following problems are known and have a very high priority to get
		fixed:

		@itemize @bullet
		@item
		@code{ANALYZE TABLE} on a BDB table may in some case make the table
		unusable until one has restarted @code{mysqld}. When this happens you will
		see errors like the following in the @strong{MySQL} error file:

		@example
		001207 22:07:56 bdb: log_flush: LSN past current end-of-log
		@end example

		@item
		Don't execute @code{ALTER TABLE} on a @code{BDB} table on which you are
		running not completed multi-statement transactions. (The transaction
		will probably be ignored).

		@item
		Doing a @code{LOCK TABLE ..} and @code{FLUSH TABLES ..} doesn't
		guarantee that there isn't a half-finished transaction in progress on the
		table.
		@end itemize

		The following problems are known and will be fixed in due time:

		@itemize @bullet
		@item
		@code{mysqldump} on a @code{MERGE} table doesn't include the current
		@@ -44120,7 +44163,7 @@ you a nice speed increase as it allows @strong{MySQL} to do some
		optimizations that otherwise would be very hard to do.

		If you set a column to a wrong value, @strong{MySQL} will, instead of doing
		a rollback, store the @code{best possible value} in the column.
		a rollback, store the @code{best possible value} in the column:

		@itemize @bullet
		@item
		@@ -44144,6 +44187,7 @@ If the date is totally wrong, @strong{MySQL} will store the special
		If you set an @code{enum} to an unsupported value, it will be set to
		the error value 'empty string', with numeric value 0.
		@end itemize

		@item
		If you execute a @code{PROCEDURE} on a query that returns an empty set,
		in some cases the @code{PROCEDURE} will not transform the columns.

include/Makefile.am

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		@@ -51,7 +51,7 @@ my_global.h: global.h
		# These files should not be included in distributions since they are
		# generated by configure from the .h.in files
		dist-hook:
		rm -f $(distdir)/mysql_version.h $(distdir)/my_config.h
		$(RM) -f $(distdir)/mysql_version.h $(distdir)/my_config.h

		# Don't update the files from bitkeeper
		%::SCCS/s.%

mysys/mf_iocache2.c

+13 −14

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		@@ -45,7 +45,6 @@ void my_b_seek(IO_CACHE *info,my_off_t pos)
		else
		flush_io_cache(info);
		}

		info->pos_in_file=pos;
		info->seek_not_done=1;
		}