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LMDB 0.9 Change Log LMDB 0.9.29 Release (2021/03/16) ITS#9461 refix ITS#9376 ITS#9500 fix regression from ITS#8662 LMDB 0.9.28 Release (2021/02/04) ITS#8662 add -a append option to mdb_load LMDB 0.9.27 Release (2020/10/26) ITS#9376 fix repeated DUPSORT cursor deletes LMDB 0.9.26 Release (2020/08/11) ITS#9278 fix robust mutex cleanup for FreeBSD LMDB 0.9.25 Release (2020/01/30) ITS#9068 fix mdb_dump/load backslashes in printable content ITS#9118 add MAP_NOSYNC for FreeBSD ITS#9155 free mt_spill_pgs in non-nested txn on end LMDB 0.9.24 Release (2019/07/24) ITS#8969 Tweak mdb_page_split ITS#8975 WIN32 fix writemap set_mapsize crash ITS#9007 Fix loose pages in WRITEMAP LMDB 0.9.23 Release (2018/12/19) ITS#8756 Fix loose pages in dirty list ITS#8831 Fix mdb_load flag init ITS#8844 Fix mdb_env_close in forked process Documentation ITS#8857 mdb_cursor_del doesn't invalidate cursor ITS#8908 GET_MULTIPLE etc don't change passed in key LMDB 0.9.22 Release (2018/03/22) Fix MDB_DUPSORT alignment bug (ITS#8819) Fix regression with new db from 0.9.19 (ITS#8760) Fix liblmdb to build on Solaris (ITS#8612) Fix delete behavior with DUPSORT DB (ITS#8622) Fix mdb_cursor_get/mdb_cursor_del behavior (ITS#8722) LMDB 0.9.21 Release (2017/06/01) Fix xcursor after cursor_del (ITS#8622) LMDB 0.9.20 (Withdrawn) Fix mdb_load with escaped plaintext (ITS#8558) Fix mdb_cursor_last / mdb_put interaction (ITS#8557) LMDB 0.9.19 Release (2016/12/28) Fix mdb_env_cwalk cursor init (ITS#8424) Fix robust mutexes on Solaris 10/11 (ITS#8339) Tweak Win32 error message buffer Fix MDB_GET_BOTH on non-dup record (ITS#8393) Optimize mdb_drop Fix xcursors after mdb_cursor_del (ITS#8406) Fix MDB_NEXT_DUP after mdb_cursor_del (ITS#8412) Fix mdb_cursor_put resetting C_EOF (ITS#8489) Fix mdb_env_copyfd2 to return EPIPE on SIGPIPE (ITS#8504) Fix mdb_env_copy with empty DB (ITS#8209) Fix behaviors with fork (ITS#8505) Fix mdb_dbi_open with mainDB cursors (ITS#8542) Fix robust mutexes on kFreeBSD (ITS#8554) Fix utf8_to_utf16 error checks (ITS#7992) Fix F_NOCACHE on MacOS, error is non-fatal (ITS#7682) Build Make shared lib suffix overridable (ITS#8481) Documentation Cleanup doxygen nits Note reserved vs actual mem/disk usage LMDB 0.9.18 Release (2016/02/05) Fix robust mutex detection on glibc 2.10-11 (ITS#8330) Fix page_search_root assert on FreeDB (ITS#8336) Fix MDB_APPENDDUP vs. rewrite(single item) (ITS#8334) Fix mdb_copy of large files on Windows Fix subcursor move after delete (ITS#8355) Fix mdb_midl_shirnk off-by-one (ITS#8363) Check for utf8_to_utf16 failures (ITS#7992) Catch strdup failure in mdb_dbi_open Build Additional makefile var tweaks (ITS#8169) Documentation Add Getting Started page Update WRITEMAP description LMDB 0.9.17 Release (2015/11/30) Fix ITS#7377 catch calloc failure Fix ITS#8237 regression from ITS#7589 Fix ITS#8238 page_split for DUPFIXED pages Fix ITS#8221 MDB_PAGE_FULL on delete/rebalance Fix ITS#8258 rebalance/split assert Fix ITS#8263 cursor_put cursor tracking Fix ITS#8264 cursor_del cursor tracking Fix ITS#8310 cursor_del cursor tracking Fix ITS#8299 mdb_del cursor tracking Fix ITS#8300 mdb_del cursor tracking Fix ITS#8304 mdb_del cursor tracking Fix ITS#7771 fakepage cursor tracking Fix ITS#7789 ensure mapsize >= pages in use Fix ITS#7971 mdb_txn_renew0() new reader slots Fix ITS#7969 use __sync_synchronize on non-x86 Fix ITS#8311 page_split from update_key Fix ITS#8312 loose pages in nested txn Fix ITS#8313 mdb_rebalance dummy cursor Fix ITS#8315 dirty_room in nested txn Fix ITS#8323 dirty_list in nested txn Fix ITS#8316 page_merge cursor tracking Fix ITS#8321 cursor tracking Fix ITS#8319 mdb_load error messages Fix ITS#8320 mdb_load plaintext input Added mdb_txn_id() (ITS#7994) Added robust mutex support Miscellaneous cleanup/simplification Build Create install dirs if needed (ITS#8256) Fix ThreadProc decl on Win32/MSVC (ITS#8270) Added ssize_t typedef for MSVC (ITS#8067) Use ANSI apis on Windows (ITS#8069) Use O_SYNC if O_DSYNC,MDB_DSYNC are not defined (ITS#7209) Allow passing AR to make (ITS#8168) Allow passing mandir to make install (ITS#8169) LMDB 0.9.16 Release (2015/08/14) Fix cursor EOF bug (ITS#8190) Fix handling of subDB records (ITS#8181) Fix mdb_midl_shrink() usage (ITS#8200) LMDB 0.9.15 Release (2015/06/19) Fix txn init (ITS#7961,#7987) Fix MDB_PREV_DUP (ITS#7955,#7671) Fix compact of empty env (ITS#7956) Fix mdb_copy file mode Fix mdb_env_close() after failed mdb_env_open() Fix mdb_rebalance collapsing root (ITS#8062) Fix mdb_load with large values (ITS#8066) Fix to retry writes on EINTR (ITS#8106) Fix mdb_cursor_del on empty DB (ITS#8109) Fix MDB_INTEGERDUP key compare (ITS#8117) Fix error handling (ITS#7959,#8157,etc.) Fix race conditions (ITS#7969,7970) Added workaround for fdatasync bug in ext3fs Build Don't use -fPIC for static lib Update .gitignore (ITS#7952,#7953) Cleanup for "make test" (ITS#7841), "make clean", mtest*.c Misc. Android/Windows cleanup Documentation Fix MDB_APPEND doc Fix MDB_MAXKEYSIZE doc (ITS#8156) Fix mdb_cursor_put,mdb_cursor_del EACCES description Fix mdb_env_sync(MDB_RDONLY env) doc (ITS#8021) Clarify MDB_WRITEMAP doc (ITS#8021) Clarify mdb_env_open doc Clarify mdb_dbi_open doc LMDB 0.9.14 Release (2014/09/20) Fix to support 64K page size (ITS#7713) Fix to persist decreased as well as increased mapsizes (ITS#7789) Fix cursor bug when deleting last node of a DUPSORT key Fix mdb_env_info to return FIXEDMAP address Fix ambiguous error code from writing to closed DBI (ITS#7825) Fix mdb_copy copying past end of file (ITS#7886) Fix cursor bugs from page_merge/rebalance Fix to dirty fewer pages in deletes (mdb_page_loose()) Fix mdb_dbi_open creating subDBs (ITS#7917) Fix mdb_cursor_get(_DUP) with single value (ITS#7913) Fix Windows compat issues in mtests (ITS#7879) Add compacting variant of mdb_copy Add BigEndian integer key compare code Add mdb_dump/mdb_load utilities LMDB 0.9.13 Release (2014/06/18) Fix mdb_page_alloc unlimited overflow page search Documentation Re-fix MDB_CURRENT doc (ITS#7793) Fix MDB_GET_MULTIPLE/MDB_NEXT_MULTIPLE doc LMDB 0.9.12 Release (2014/06/13) Fix MDB_GET_BOTH regression (ITS#7875,#7681) Fix MDB_MULTIPLE writing multiple keys (ITS#7834) Fix mdb_rebalance (ITS#7829) Fix mdb_page_split (ITS#7815) Fix md_entries count (ITS#7861,#7828,#7793) Fix MDB_CURRENT (ITS#7793) Fix possible crash on Windows DLL detach Misc code cleanup Documentation mdb_cursor_put: cursor moves on error (ITS#7771) LMDB 0.9.11 Release (2014/01/15) Add mdb_env_set_assert() (ITS#7775) Fix: invalidate txn on page allocation errors (ITS#7377) Fix xcursor tracking in mdb_cursor_del0() (ITS#7771) Fix corruption from deletes (ITS#7756) Fix Windows/MSVC build issues Raise safe limit of max MDB_MAXKEYSIZE Misc code cleanup Documentation Remove spurious note about non-overlapping flags (ITS#7665) LMDB 0.9.10 Release (2013/11/12) Add MDB_NOMEMINIT option Fix mdb_page_split() again (ITS#7589) Fix MDB_NORDAHEAD definition (ITS#7734) Fix mdb_cursor_del() positioning (ITS#7733) Partial fix for larger page sizes (ITS#7713) Fix Windows64/MSVC build issues LMDB 0.9.9 Release (2013/10/24) Add mdb_env_get_fd() Add MDB_NORDAHEAD option Add MDB_NOLOCK option Avoid wasting space in mdb_page_split() (ITS#7589) Fix mdb_page_merge() cursor fixup (ITS#7722) Fix mdb_cursor_del() on last delete (ITS#7718) Fix adding WRITEMAP on existing env (ITS#7715) Fix nested txns (ITS#7515) Fix mdb_env_copy() O_DIRECT bug (ITS#7682) Fix mdb_cursor_set(SET_RANGE) return code (ITS#7681) Fix mdb_rebalance() cursor fixup (ITS#7701) Misc code cleanup Documentation Note that by default, readers need write access LMDB 0.9.8 Release (2013/09/09) Allow mdb_env_set_mapsize() on an open environment Fix mdb_dbi_flags() (ITS#7672) Fix mdb_page_unspill() in nested txns Fix mdb_cursor_get(CURRENT|NEXT) after a delete Fix mdb_cursor_get(DUP) to always return key (ITS#7671) Fix mdb_cursor_del() to always advance to next item (ITS#7670) Fix mdb_cursor_set(SET_RANGE) for tree with single page (ITS#7681) Fix mdb_env_copy() retry open if O_DIRECT fails (ITS#7682) Tweak mdb_page_spill() to be less aggressive Documentation Update caveats since mdb_reader_check() added in 0.9.7 LMDB 0.9.7 Release (2013/08/17) Don't leave stale lockfile on failed RDONLY open (ITS#7664) Fix mdb_page_split() ref beyond cursor depth Fix read txn data race (ITS#7635) Fix mdb_rebalance (ITS#7536, #7538) Fix mdb_drop() (ITS#7561) Misc DEBUG macro fixes Add MDB_NOTLS envflag Add mdb_env_copyfd() Add mdb_txn_env() (ITS#7660) Add mdb_dbi_flags() (ITS#7661) Add mdb_env_get_maxkeysize() Add mdb_env_reader_list()/mdb_env_reader_check() Add mdb_page_spill/unspill, remove hard txn size limit Use shorter names for semaphores (ITS#7615) Build Fix install target (ITS#7656) Documentation Misc updates for cursors, DB handles, data lifetime LMDB 0.9.6 Release (2013/02/25) Many fixes/enhancements LMDB 0.9.5 Release (2012/11/30) Renamed from libmdb to liblmdb Many fixes/enhancements