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2000-04-26 Michael Widenius <monty@mysql.com>
* Fixed bug when doing read_next after a delete/insert which balanced key
pages (In this case one internal buffer was wrongly reused)
1999-11-23 Michael Widenius <monty@monty.pp.sci.fi>
* Changed prefix from ni_ to nisam_ to avoid problems on MacOS X.
1999-08-17 Michael Widenius <monty@tik.pp.sci.fi>
* Changed last parameter to mi_open() to be a bit flag instead of an int.
1998-10-01 Michael Widenius <monty@monty.pp.sci.fi>
* Fixed bug in key packing when using some USE_STRCOLL character sets.
Thu Aug 20 23:17:41 1998 Michael Widenius <monty@bitch.pp.sci.fi>
* isamchk.c: Sometimes isamchk --sort-table caused isamchk to die.
1998-06-28 Michael Widenius <monty@monty.pp.sci.fi>
* Fixed some possible race conditions when using with MySQL and
many reopen/close of the same tables under heavy load!
* Changed isamchk to re-pack records when doing a repair to make it more safer.
Thu Mar 12 21:44:08 1998 Michael Widenius <monty@monty.pp.sci.fi>
* Added a safty test to _ni_rec_unpack.
Wed Nov 26 01:52:55 1997 <monty@monty.pp.sci.fi>
* Fixed small problem when reading delete-marked records with rkey, rnext and
rprev. In normal applications this should never happen.
Thu Nov 20 14:01:21 1997 <monty@monty.pp.sci.fi>
* Fixed range key bug when using compressed key where the first part wasn't
compressed.
* Converted everything to use prototypes.
Mon Sep 29 13:16:27 1997 <monty@monty.pp.sci.fi>
* Fixed problem with isamchk and compressed records files with record_reflength
< 4 (Gave wrong key when using isamchk -rq).
Fri Sep 26 16:06:37 1997 <monty@monty.pp.sci.fi>
* Fixed bug in range calculation.
Thu Aug 14 14:44:33 1997 <monty@monty.pp.sci.fi>
* Removed a couple of unnecessary seeks from 'delete static record'
Tue Jul 1 22:04:16 1997 <monty@monty.pp.sci.fi>
* Added checking of 'wrong packed records' when using 'isamchk -e' or
isamchk -ro.
Fri Feb 7 22:22:28 1997 Michael Widenius <monty@bitch.sci.fi>
* Fixed use of packed tables with threads (One static variable left)
Thu Jan 23 09:05:22 1997 Michael Widenius <monty@bitch.sci.fi>
* Changed create to detect keys > 127 and not pack them. Now one can
define keys with a length of up to (nisam_block_size-18)/2
by changeing N_MAX_KEY_LENGTH.
Fri Jan 10 21:01:44 1997 Michael Widenius <monty@bitch.sci.fi>
* added signed chars as key type.
Fri Apr 26 14:31:05 1996 Michael Widenius <monty@bitch.clinet.fi (Michael Widenius)>
* create.c: All keyfile blocks are now IO_SIZE big (for better keycashing).
Tue Mar 12 22:42:52 1996 Michael Widenius <monty@bitch.clinet.fi (Michael Widenius)>
* isamchk.c: Changed to print info if system table
* write.c: Don't allow more than 1 record in system table.
Fri Feb 2 16:40:32 1996 Michael Widenius <monty@bitch.clinet.fi (Michael Widenius)>
* isamchk.c; Check that delete-link-chain is ok before trying to delete with 'q'.
Thu Jan 11 13:21:23 1996 Michael Widenius <monty@bitch.clinet.fi (Michael Widenius)>
* All same isam files now shares a structure to allow many opens off the same
file
Sat Nov 25 12:33:53 1995 Michael Widenius <monty@bitch.clinet.fi (Michael Widenius)>
* All functions now used my_errno instead of errno
Mon Oct 23 12:32:02 1995 Michael Widenius <monty@bitch.clinet.fi (Michael Widenius)>
* isamchk.c: Don't print that database should be fixed on automatic rep.
Sun Aug 27 20:13:56 1995 Michael Widenius <monty@bitch.analytikerna.se (Michael Widenius)>
* _dynrec.c added flush_io_cash() if someone did a read when using
WRITE CASHING.
Thu Apr 20 01:41:24 1995 Michael Widenius (monty@bitch)
* fixed errno when got error of 'key-not-found' when updateing or
deleting record.
Tue Jan 17 19:37:48 1995 Michael Widenius (monty@bitch)
* isamchk can now unpack databases.
* prolinted all files.
Fri May 27 15:01:06 1994 Michael Widenius (monty@bitch)
* Don't lock packed databases.
Sat Apr 16 22:41:23 1994 Michael Widenius (monty@bitch)
* Added new function read_rsame_with_pos.
Wed Mar 30 15:52:19 1994 Michael Widenius (monty@bitch)
* Added creation and recover date to indexfile and isamchk.
Sat Mar 26 15:03:37 1994 Michael Widenius (monty@bitch)
* change is_panic() to close all files on ha_panic(write) on systems
(VMS) with can't open one file twice.
Fri Feb 4 21:09:56 1994 Michael Widenius (monty@bitch)
* READ_CASH on packed files now makes them mem-mapped if possibly
Sat Sep 18 14:56:32 1993 Michael Widenius (monty at bitch)
* changed _search to use pointer to buffer when reading keys.
Mon Aug 16 19:45:29 1993 Michael Widenius (monty at bitch)
* isamchk and packisam resolves symbolic links before file is used.
This forces temp-files on same disk as orginal file and rename
of temp-files dosen't destroy symbolic links.
Mon May 31 18:26:08 1993 Michael Widenius (monty at bitch)
* Added crc-check of records when packing for safe test if pack ok.
Tue Mar 2 19:16:00 1993 Michael Widenius (monty@bitch)
* Added logging of records with ni_log().
Fri Jan 29 00:56:58 1993 Michael Widenius (monty@bitch)
* Fixed bug in _read_rnd_static_record ; A lock was made for
each record even if it was in cash.
Sun Nov 15 12:51:36 1992 Michael Widenius (monty@bitch)
* last change breaked _dynrec, when not compileing with dbug.
Fri Nov 6 03:46:38 1992 Michael Widenius (monty@bitch)
* Fixed bugg when using packed records and reclength < 8 byte.
Wed Oct 28 22:23:32 1992 Michael Widenius (monty@bitch)
* Changed _cash.c to use io_cash to allow use of aioread.
Fri Oct 23 00:45:53 1992 Michael Widenius (monty@bitch)
* Added MY_WAIT_IF_FULL to pack_isam.
Sat Oct 17 14:51:15 1992 Michael Widenius (monty@bitch)
* Added use of subset of keys (isamchk -k#)
Mon Oct 5 21:53:18 1992 Michael Widenius (monty@bitch)
* Remove reloc of database ; Gives only problems with isamchk.
Mon Aug 17 03:17:09 1992 Michael Widenius (monty@bitch)
* Changed isam to use io_cash instead of rec_cash
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