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Author SHA1 Message Date
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
Hallvard Furuseth
8ad25001ff ITS#7485 Document key/data size limits in lmdb.h. 
mdb.c already describes them. The user doc should too.
 2013-02-19 21:14:23 +01:00
Hallvard Furuseth
ef25056cfb Revert "ITS#7515 update parent's mt_next_pgno on child commit" 
This reverts commit fd4861bf00.
It duplicated earlier code.
 2013-02-17 08:42:14 +01:00
Howard Chu
fd4861bf00 ITS#7515 update parent's mt_next_pgno on child commit 2013-02-17 00:49:53 +00:00
Howard Chu
890f1da3ee Don't limit retries when coalescing freelist 
Try to use whatever's available.
 2013-02-17 00:48:43 +00:00
Hallvard Furuseth
00d7a96bd5 ITS#7515 Fix MDB parent/child txn interaction. 
mdb_txn_commit(child): Copy more state. Copy all of mt_dbs:
Include mainDB, and even freeDB since mdb_drop() can update
it. Don't skip DBs with unchanged root, this could break
when the new was newly opened and the old unused junk.

mdb_page_get(): Search parents' dirty lists.
 2013-02-16 19:11:20 +01:00
Hallvard Furuseth
d90581fa5a ITS#7377 Catch MDB failure updating root pointers. 
"cannot fail" was wrong, it fails at least when exceeding mapsize.
 2013-02-16 19:08:54 +01:00
Hallvard Furuseth
c7db955a94 ITS#7517 Don't save dropped dirty MDB databases. 
mdb_txn_commit's attempt to save the DB could corrupt another DB if
another thread had called mdb_dbi_open and reused the closed DBI.
 2013-02-16 19:08:37 +01:00
Hallvard Furuseth
8e1bbdf0dd mdb_stat -ff[f]: show contiguous page spans. 2013-02-16 19:07:16 +01:00
Hallvard Furuseth
7aba5f5ab9 Add error code MDB_MAP_RESIZED. 2013-02-16 19:06:28 +01:00
Howard Chu
5e59695b8d Don't memmove freelist entry when chunking it 
Just advance the pointer, now that it's no longer a complex struct
 2013-02-15 13:27:50 +00:00
Hallvard Furuseth
52ecd38e18 ITS#7455 Save freelist in single-page chunks 2013-02-15 13:27:50 +00:00
Hallvard Furuseth
1b8bfc5756 Freelist cleanup/streamlining 
Drop unneeded definitions, redundant code.
 2013-02-15 13:27:02 +00:00
Hallvard Furuseth
65c053a6e7 ITS#7512 Fix MDB page leak when malloc error. 
mdb_page_alloc(): Delay moving me_pgfirst,me_pglast
until malloc(MDB_oldpages to hold the IDs) succeeds.
 2013-02-07 08:17:30 +01:00
Howard Chu
e0eb495fb3 Revert "ITS#7515 fix mdb_dbi_open/close" 
This reverts commit 48dc782ea6.
 2013-02-04 10:53:17 -08:00
Howard Chu
744e311939 NULL key is allowed for MDB_CURRENT 2013-02-01 06:19:23 -08:00
Howard Chu
48dc782ea6 ITS#7515 fix mdb_dbi_open/close 
If a DBI handle is opened by a txn that aborts, the DBI handle
should no longer be valid.
 2013-01-31 20:05:48 -08:00
Howard Chu
27aaecc744 ITS#7511 make sure cursor is marked valid after successful put 2013-01-28 18:45:36 -08:00
Howard Chu
9fa0c3bf31 ITS#7505 fix prev commit, partial revert 2013-01-29 01:08:24 +00:00
Howard Chu
0b8ac92b7a ITS#7505 Fix mdb_update_key when key is too big 2013-01-27 18:02:18 +00:00
Howard Chu
cfedb365b4 Fix MDB_CURRENT updating for dupsort items 2013-01-26 18:55:35 +00:00