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8a562f560e
Commit Graph

99 Commits

Author SHA1 Message Date
Hallvard Furuseth
8a562f560e Support mdb_txn_abort(a reset txn). 2013-04-18 04:15:45 +02:00
Hallvard Furuseth
ce6335b0d9 Cleanup for TLS key and read-only filesystem. 
Move key init into mdb_env_setup_locks().
Don't create unused TLS key when read-only filesystem.
Drop internal flag MDB_ROFS, we can instead test either
!me_txns, !mt_u.reader or me_lfd==INVALID_HANDLE_VALUE.
 2013-04-18 04:15:13 +02:00
Hallvard Furuseth
65a6542765 Clean up MDB_env setup. 
Malloc before I/O. Avoids possible malloc error after I/O.
Don't allocate dirty & free lists when MDB_RDONLY.
Factor out code.
 2013-04-18 04:13:43 +02:00
Howard Chu
dbb9ded2f8 Fix mdb_rebalance 
Don't do anything with (fake root) subpages
 2013-04-17 14:33:41 -07:00
Howard Chu
aca6c08897 ITS#7574 blind fix 
Fix 227329c8e1, don't persist
the MDB_VALID bit in db.md_flags.
 2013-04-16 12:05:03 -07:00
Howard Chu
92fc932f21 fix prev commit 2013-04-15 09:30:39 -07:00
Howard Chu
0cccf79a02 Fix mdb_rebalance 
Need to check NUMKEYS as well as fill threshold, when deciding
whether to change anything. Don't let the page drop below the
minimum number of keys.
 2013-04-14 23:59:54 -07:00
Howard Chu
14c5a5dff1 Revert "ITS#7570 fix MDB_GET_MULTIPLE and MDB_NEXT_MULTIPLE" 
This reverts commit 372b3ddb85.

Original code works as designed.
 2013-04-14 16:53:30 -07:00
Claude Brisson
372b3ddb85 ITS#7570 fix MDB_GET_MULTIPLE and MDB_NEXT_MULTIPLE 2013-04-11 15:10:23 -07:00
Howard Chu
fbe6a6051b Fix 227329c8e1 
mdb_dbi_close() must allow any dbi < maxdbs, since opens in an
uncommitted txn don't increment env->me_numdbs.
 2013-04-07 19:21:46 -07:00
Howard Chu
e43fa77eaa Revert "Fix 6beaad52129da5353fd40c0ec48e6a78c4f71a2e" 
This reverts commit 8eef7a4275.
Previous commit was correct, duplicate keys should not appear here.
 2013-04-05 03:44:56 -07:00
Howard Chu
227329c8e1 Fixes for dbi_open/close, ITS#7515 2013-04-05 02:58:08 -07:00
Howard Chu
6b46799379 ITS#7561 Fix mdb_drop bugs 
Check for overflow pages, reset cursor position properly.
 2013-04-04 16:52:55 -07:00
Howard Chu
8eef7a4275 Fix 6beaad5212 
In APPEND don't immediately reject matching key, since this
is valid for APPENDDUP.
 2013-04-04 07:25:21 -07:00
Howard Chu
6beaad5212 Fix d3990eb2f8 
Append mode should *reject* keys that are too small.
Also allow APPENDDUP in mdb_put().
 2013-04-03 18:26:41 -07:00
Howard Chu
e31d748dbe Fix rebalance when collapsing root page 
When fixing other cursors, must also fix their depth.
 2013-04-01 20:34:40 -07:00
Howard Chu
cb1cc64831 More fixes for MDB_LAST 
Make sure C_INITIALIZED gets set on successful call
 2013-04-01 19:49:40 -07:00
Howard Chu
3213fc4db7 ITS#7556 fix cursor_sibling for PREV 2013-04-01 19:06:05 -07:00
Hallvard Furuseth
7d643d3acb Plug MDB memory leak of DB names. 2013-03-31 23:50:02 +02:00
Hallvard Furuseth
ccb7b26916 Silence signedness warning 2013-03-31 23:48:10 +02:00
Hallvard Furuseth
a70b026f6b Fix MDB_DEBUG compile when no varargs macros. 
Variables mdb_debug, mdb_debug_start were used undefined.
 2013-03-31 23:47:45 +02:00
Howard Chu
30da15a18d Tweak mode_t def per Hallvard's suggestion 2013-03-31 20:56:08 +01:00
Howard Chu
0c568117ce MSVC doesn't define mode_t 2013-03-31 08:10:43 -08:00
Howard Chu
7aae15739b Fix CURSOR_LAST/CURSOR_PREV 2013-03-29 01:08:06 -07:00
Howard Chu
863fa77a08 ITS#7553 better fix 2013-03-26 11:24:59 -07:00
Howard Chu
8a99b00acc ITS#7553 deinit cursor after deleting last node 2013-03-25 12:15:53 -07:00
Howard Chu
bccbcd1938 Silence stupid warnings 2013-03-25 11:53:32 -07:00
Claude Brisson
bbb27cde4a bugfix for mdb_cursor_put with MDB_MULTIPLE 
If the variable dkey.mv_size is non-zero, then it means dkey
contains some original data which has to be put back in the
child db, typically when the child db has just been created.

But when using MDB_MULTIPLE, if this variable has not been
reset to zero, we may come back to this section and wrongly
think that there is some original data to be taken care of.
 2013-03-23 14:03:12 -07:00
Howard Chu
77001f549b ITS#7538 fallout from ITS#7536 fix. 
Allow leaf pages to have only 1 key.
 2013-03-12 17:29:34 -07:00
Howard Chu
3247d7cbd6 Precalculate max size of a node 2013-03-12 17:25:49 -07:00
Howard Chu
8c1d95a438 Fix f97552a83a 
Causes Bus Error on SPARC
 2013-03-11 10:28:25 -07:00
Howard Chu
f80171e079 Check for MADV_RANDOM 
Android supports madvise but not posix_madvise
 2013-03-11 06:04:54 -07:00
Howard Chu
9c4ee82297 ITS#7377 Fix c0f3d9b9a8 
Add missing parens
 2013-03-11 05:59:07 -07:00
Howard Chu
b1da555c4c Turn off readahead on main mmap 
It's harmful when the DB is larger than RAM.
 2013-03-11 05:49:14 -07:00
Howard Chu
d74330128a ITS#7536 fix mdb_rebalance 
A page must always have at least 2 keys (unless it's a root page)
 2013-03-06 15:10:22 -08:00
Howard Chu
6dab37f2ac Use CC/LDFLAGS to link the shared lib 2013-02-25 05:06:51 -08:00
Howard Chu
d8b407d9a2 Install manpages too 2013-02-25 02:02:15 -08:00
Howard Chu
26e4222ffb Delete obsolete @todo 
We do it now... (coalescing freelist entries in page_alloc)
 2013-02-24 23:43:36 -08:00
Howard Chu
58e27b6c20 Add sample apps for comparison/education purposes 2013-02-24 23:43:18 -08:00
Howard Chu
66c9f03055 Add $(DESTDIR) to make install target 2013-02-25 06:50:51 +00:00
Howard Chu
3394bac2c0 Update error code instances 2013-02-20 05:08:52 -08:00
Hallvard Furuseth
80cd881184 Tweak MDB_INCOMPATIBLE description 2013-02-20 12:19:45 +01:00
Hallvard Furuseth
fbd76c44e4 Tweak prev commit: Restore if-test as an assert 2013-02-20 09:08:41 +01:00
Hallvard Furuseth
208e5c614d ITS#7515 Fix mdb_txn_commit(nested txn). 
Don't modify the parent txn until the current txn cannot fail.
Don't assume new dirty child pgnos > dirty parent pgnos.

Page alloc/touch: Fail if child+parent dirty pages would exceed
dirty_list's maxsize. Avoids an error situation in commit.
 2013-02-19 18:44:10 -08:00
Hallvard Furuseth
f43ae20be7 ITS#7512 Plug mdb_txn_abort(nested txn) page leaks. 
Also catch mdb_cursor_shadow() errors.
 2013-02-19 22:03:04 +01:00
Hallvard Furuseth
f97552a83a Check DB flags when refreshing a stale MDB DBI. 
It's hairy to figure out when a DBI is valid. Catch destructive
user errors, and flags which another process changed under us.
 2013-02-19 22:02:37 +01:00
Hallvard Furuseth
2dbb8bb833 mdb_cursor_prev,mdb_cursor_next: Fix return value. 
Return mdb_node_read()'s return value if it fails, not 1.
(Can happen if mdb_page_get() fails and NDEBUG is #defined.)
 2013-02-19 22:02:15 +01:00
Hallvard Furuseth
e4af9ee5da ITS#7515 mdb_dbi_open(): Also open in parent txns. 
This makes aborting nested and non-nested txns more
similar: The new DBI is available to the surrounding
context (parent txn and MDB_env respectively).
 2013-02-19 22:01:29 +01:00
Hallvard Furuseth
4b67270374 mdb_page_alloc(): Handle freeDB txnid range holes. 
A txn writes no freeDB entry if previous txn dropped mainDB and a read
txn prevents freelist entry reuse. This surprised mdb_page_alloc (and
mdb_txn_commit too before 65c053a6e7).
 2013-02-19 21:17:33 +01:00
Hallvard Furuseth
f19655eabc ITS#7517 Document that dirty DBs may not be closed 2013-02-19 21:15:26 +01:00