Alterações na distribuição 3.23.28 (22 Nov 2000: Gamma)

Added new options --pager[=...], --no-pager, --tee=... and --no-tee to the MariaDB client. The new corresponding interactive commands are pager, nopager, tee and notee. Leia "MariaDB, A Ferramenta de Linha de Comando", mysql --help and the interactive help for more information.

• Fixed crash when automatic repair of MyISAM table failed.
• Fixed a major performance bug in the table locking code when one constantly had a lot of SELECT, UPDATE and INSERT statements running. The symptom was that the UPDATE and INSERT queries were locked for a long time while new SELECT statements were executed before the updates.
• When reading options_files with mysql_options() the return-found-rows option was ignored.
• One can now specify interactive-timeout in the option file that is read by mysql_options(). This makes it possible to force programs that run for a long time (like mysqlhotcopy) to use the interactive_timeout time instead of the wait_timeout time.
• Added to the slow query log the time and the user name for each logged query. If you are using --log-long-format then also queries that do not use an index are logged, even if the query takes less than long_query_time seconds.
• Fixed a problem in LEFT JOIN which caused all columns in a reference table to be NULL.
• Fixed a problem when using NATURAL JOIN without keys.
• Fixed a bug when using a multi-part keys where the first part was of type TEXT or BLOB.
• DROP of temporary tables wasn't stored in the update/binary log.
• Fixed a bug where SELECT DISTINCT * ... LIMIT row_count only returned one row.
• Fixed a bug in the assembler code in strstr() for SPARC and cleaned up the global.h header file to avoid a problem with bad aliasing with the compiler submitted with Red Hat 7.0. (Reported by Trond Eivind Glomsrød)
• The --skip-networking option now works properly on NT.
• Fixed a long outstanding bug in the ISAM tables when a row with a length of more than 65K was shortened by a single byte.
• Fixed a bug in MyISAM when running multiple updating processes on the same table.
• Allow one to use FLUSH TABLE tbl_name.
• Added --replicate-ignore-table, --replicate-do-table, --replicate-wild-ignore-table, and --replicate-wild-do-table options to mysqld.
• Changed all log files to use our own IO_CACHE mechanism instead of FILE to avoid OS problems when there are many files open.
• Added --open-files and --timezone options to safe_mysqld.
• Fixed a fatal bug in CREATE TEMPORARY TABLE ... SELECT ....
• Fixed a problem with CREATE TABLE ... SELECT NULL.
• Added variables large_file_support,net_read_timeout, net_write_timeout and query_buffer_size to SHOW VARIABLES.
• Added status variables created_tmp_files and sort_merge_passes to SHOW STATUS.
• Fixed a bug where we didn't allow an index name after the FOREIGN KEY definition.
• Added TRUNCATE table_name as a synonym for DELETE FROM table_name.
• Fixed a bug in a BDB key compare function when comparing part keys.
• Added bdb_lock_max variable to mysqld.
• Added more tests to the benchmark suite.
• Fixed an overflow bug in the client code when using overly long database names.
• mysql_connect() now aborts on Linux if the server doesn't answer in timeout seconds.
• SLAVE START did not work if you started with --skip-slave-start and had not explicitly run CHANGE MASTER TO.
• Fixed the output of SHOW MASTER STATUS to be consistent with SHOW SLAVE STATUS. (It now has no directory in the log name.)
• Added PURGE MASTER LOGS TO.
• Added SHOW MASTER LOGS.
• Added --safemalloc-mem-limit option to mysqld to simulate memory shortage when compiled with the --with-debug=full option.
• Fixed several core dumps in out-of-memory conditions.
• SHOW SLAVE STATUS was using an uninitialised mutex if the slave had not been started yet.
• Fixed bug in ELT() and MAKE_SET() when the query used a temporary table.
• CHANGE MASTER TO without specifying MASTER_LOG_POS would set it to 0 instead of 4 and hit the magic number in the master binlog.
• ALTER TABLE ... ORDER BY ... syntax added. This will create the new table with the rows in a specific order.

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