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150 lines
5 KiB
Text
150 lines
5 KiB
Text
2000-11-27 Michael Widenius <monty@mysql.com>
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* Changed mi_create.c to use less stack.
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2000-08-23 Michael Widenius <monty@mysql.com>
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* Fixed bug when comparing DECIMAL/NUMERIC key parts.
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2000-08-17 Michael Widenius <monty@mysql.com>
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* Add a new flag in share.status so that we can quickly check if a table
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is analyzed or not!
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2000-07-02 Michael Widenius <monty@mysql.com>
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* Added safety margin to guard against full index file.
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2000-05-22 Michael Widenius <monty@mysql.com>
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* Fixed that --join works with myisampack.
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2000-05-14 Michael Widenius <monty@mysql.com>
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* Don't lock datafile during myisamchk (only indexfile is locked; This is good
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enough for all MyISAM functions); This made it possible to close datafile
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in rep_by_sort().
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2000-05-04 Michael Widenius <monty@mysql.com>
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* Fixed bug in code that scanned after rows in a crashed table.
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This could cause an infinite loop when repairing tables.
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2000-04-26 Michael Widenius <monty@mysql.com>
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* Fixed bug when doing read_next after a delete/insert which balanced key
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pages (In this case one internal buffer was wrongly reused)
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2000-04-21 Michael Widenius <monty@tik.pp.sci.fi>
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* Changed mi_find_halfpos() to return key, key_length and pos after key.
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* Don't join or split key buffers in the middle when inserting a key
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that is bigger than all other keys; This will improve inserts when
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doing these in sorted order.
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2000-04-04 Michael Widenius <monty@mysql.com>
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* Added support for different languages on key part level.
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2000-02-23 Michael Widenius <monty@monty.pp.sci.fi>
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* Fixed that myisamchk works properly with RAID.
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2000-02-07 Michael Widenius <monty@tik.pp.sci.fi>
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* Added delete and rename of tables (works with RAID tables)
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2000-01-29 Michael Widenius <monty@monty.pp.sci.fi>
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* Fixed the sorting of index works with prefix-packed keys.
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1999-11-24 Michael Widenius <monty@monty.pp.sci.fi>
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* Fixed that DECIMAL() keys are sorted correct for negative numbers.
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1999-11-22 Michael Widenius <monty@monty.pp.sci.fi>
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* removed 'NO_LOCKING' macros.
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* Added function mi_rnext_same
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* Added support for concurrent reads.
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1999-11-05 Michael Widenius <monty@tik.pp.sci.fi>
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* Added function mi_scan().
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* Changed all functions to return error number in case of errors.
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1999-08-17 Michael Widenius <monty@tik.pp.sci.fi>
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* Added option DELAY_KEY_WRITE to tables and mi_open()
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1999-08-10 Michael Widenius <monty@tik.pp.sci.fi>
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* Added support of HA_READ_PREFIX_LAST to mi_rkey(). This finds the last
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row with the given prefix.
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Mon Aug 2 13:54:35 1999 Michael Widenius <monty@bitch.pp.sci.fi>
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* Added data- and key-file-length to myisamchk.
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* Fixed some problems with null and space packed keys.
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1999-07-15 Michael Widenius <monty@tik.pp.sci.fi>
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* The following options are for COUNT(DISTINCT ..)
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* Added option HA_EXTRA_NO_ROWS; In this case only the index tree is updated
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* Added mi_delete_all_rows()
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1999-07-13 Michael Widenius <monty@tik.pp.sci.fi>
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* Added special handling of tempoary tables
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1999-06-12 Michael Widenius <monty@monty.pp.sci.fi>
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* Added optional checksum for file and for each dynamic-length row
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* Added unique constraint checking
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1999-05-06 Michael Widenius <monty@tik.pp.sci.fi>
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* All index blocks of the same size now share the same key block delete link
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1999-03-17 Michael Widenius <monty@monty.pp.sci.fi>
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* Different key packing code depending on if the first key part
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is a variable length column (space packed, BLOB or VARCHAR)
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* The create interface allows one to specify a key segment to start and
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end one a specific bit. (The bit handling isn't yet implemented)
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* Added more tests to 'test1'
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1999-03-16 Michael Widenius <monty@monty.pp.sci.fi>
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* Added option -m to myisamchk as an alternative to -e (-m is faster but
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not as quite as safe as -e).
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* Added option --fast to not check not changed tables.
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* The first update will set a bit that the table has been changed.
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* The first update to a table increments a 'open_count' field. This will
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be reset on close. This will allow myisamchk to find tables that hasn't
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been properly closed!
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* Support for true VARCHAR columns
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1999-03-01 Michael Widenius <monty@monty.pp.sci.fi>
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* Dynamic length blocks are double linked to allow easy reallocation
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of block lengths. This will help that the dynamic length data will not be
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as fragmented as with ISAM.
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* Extended mypack_isam to compress BLOB/TEXT columns.
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* Allow keys on BLOB.
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1999-02-06 Michael Widenius <monty@monty.pp.sci.fi>
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* Keys, key pointers and all variables in the index file are stored in
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high-endian-order to get better compression.
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* Allow NULL on keys
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1998-10-29 Michael Widenius <monty@monty.pp.sci.fi>
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* All data is stored in low-endian order
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(This means that the files will be architecture and OS independent)
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* All record numbers are now of type 'ha_rows' and file pointer are now of type
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my_off_t. One can use files with 32-64 bit pointers with a 32bit or 64bit
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record handling.
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Currently the code is limited to 5 bytes pointers, but this is real easy
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to change.
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