Howard Chu
179c44e7da
Revert "libmdb: Do not use the MDB_txbody.mtb_txnid field."
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This reverts commit 4a0b30499c
.
2012-07-08 18:18:12 -07:00
Howard Chu
433105f09b
Fix: avoid direct reference to meta pages
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Relevant info should be copied during txn_begin only.
2012-07-06 17:38:03 -07:00
Howard Chu
df7ddb6bf4
Add MDB_NOMETASYNC env option.
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Just a trial. This may not make sense if we decide to split the
meta pages into their own separate file, to allow meta traffic to
reside on a separate spindle.
2012-07-05 18:11:18 -07:00
Howard Chu
38560c2517
Tweak b802bcf704
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Clarify prev commit, fix Doxygen comments broken by earlier changes
2012-07-05 17:43:29 -07:00
Howard Chu
b802bcf704
Partial revert of 13c663f666
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Don't re-use free pages so soon; that leaves us vulnerable to
DB corruption if data syncs successfully but meta doesn't.
2012-07-05 16:52:13 -07:00
Howard Chu
a334257800
Tweak prev commit, use first unused slot
2012-06-02 05:26:31 -07:00
Howard Chu
4cabb24b83
Fix mdb_open, re-use closed dbi slots
2012-06-02 05:24:47 -07:00
Howard Chu
eeec509150
ITS#7266 fix rebalance for LEAF2 pages
2012-05-09 11:24:25 -07:00
Howard Chu
a540597dd6
More freelist tweaks, avoid referencing freed page
2012-05-08 22:17:17 -07:00
Howard Chu
fadf75a9cb
Further clarification of mdb_open()
2012-05-05 19:41:45 -07:00
Howard Chu
fbf9c23304
ITS#7251 fix Apple/Windows shared mutex naming
2012-04-18 15:59:54 -07:00
Hallvard Furuseth
20baad4a20
libmdb: midl.h namespace cleanup.
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Prefix ID, NOID, ID2, IDL, ID2L with 'MDB_'.
Also drop bdb from file description.
2012-04-12 08:24:36 +02:00
Hallvard Furuseth
0a4aa88927
libmdb: Simplify pick_meta() from read_meta().
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Put one call in #if MDB_DEBUG. Move DPRINTF(Using meta page #) there.
2012-04-12 08:15:33 +02:00
Hallvard Furuseth
dce5bb2fee
libmdb: Simplify mdb_default_cmp. No real change.
2012-04-12 08:15:33 +02:00
Hallvard Furuseth
729a8a2819
libmdb: signed meets unsigned warning cleanup
2012-04-12 08:15:33 +02:00
Hallvard Furuseth
99fa22c164
libmdb: MDB_FDATASYNC code cleanup.
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Define MDB_FDATASYNC() instead of redefining fdatasync().
2012-04-12 08:15:33 +02:00
Hallvard Furuseth
592b3f8727
libmdb: Add C++ 'extern "C" {}' to *.h
2012-04-12 08:15:33 +02:00
Hallvard Furuseth
8e1ebbb4a8
libmdb: Don't open datafile twice when not needed.
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If the database is opened with MDB_RDONLY or MDB_NOSYNC,
instead use the same file descriptor for me_mfd and me_fd.
Also factor out Windows/Unix error handling after open.
2012-04-12 08:15:33 +02:00
Hallvard Furuseth
6d0b424dbe
libmdb: Set close-on-exec flag on lockfile
2012-04-12 08:15:33 +02:00
Hallvard Furuseth
4a0b30499c
libmdb: Do not use the MDB_txbody.mtb_txnid field.
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Get txn->mt_txnid from the meta page instead. Otherwise it
and txn->mt_toggle could become inconsistent, since read-only
txns fetched both from MDB_txbody without mutex proteciton.
2012-04-12 08:15:33 +02:00
Hallvard Furuseth
d1738c3e6b
Fix MDB_DEBUG in last ITS#7299 commit.
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Make DPRINTF usable in if-else. Silence signed vs unsigned warning.
2012-04-12 07:34:13 +02:00
Howard Chu
d793594173
ITS#7229 more mdb_page_split tweaks
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Also add mdb_debug/mdb_debug_start to toggle debug output at runtime
2012-04-10 14:05:05 -07:00
Howard Chu
a66f9e9292
ITS#7210 fix check for freelist changes
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Was being fooled before because the newly malloc'd block had
the same address as the previously freed block.
2012-04-09 19:24:47 -07:00
Howard Chu
191d78948b
ITS#7238 doc clarification
2012-04-09 05:01:37 -07:00
Howard Chu
ae027b5214
ITS#7229 additional tweaks
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Should probably compare nsize to pg_size/4 instead...
2012-04-09 04:45:32 -07:00
Howard Chu
de0cb27d70
ITS#7230 check and strip 0 length IDLs from freelist
2012-04-09 04:44:08 -07:00
Howard Chu
7ba25c488a
ITS#7229 more mdb_page_split fixes
2012-04-07 01:27:38 -07:00
Howard Chu
84acc0e803
ITS#7219 fixup keysize in previous commit
2012-04-04 05:44:53 -07:00
Howard Chu
0f10814494
ITS#7219 fix for odd-aligned keys in mdb_update_key()
2012-04-03 12:24:27 -07:00
Howard Chu
91bab157f6
ITS#7210 fix leak of overflow pages in freelist
2012-03-30 06:36:02 -07:00
Howard Chu
f53beeabee
Partial revert of prev commit
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Sub-DBs were correct before
2012-03-28 10:44:18 -07:00
Howard Chu
ac0b18911b
Fix entry counts in cursor_put
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when replacing an existing item
2012-03-28 10:34:35 -07:00
Howard Chu
0952cfdf84
Fix uninit'd xcursor index
2012-03-28 09:33:06 -07:00
Howard Chu
5c16c8842b
Add mfree utility to show the freelist
2012-03-28 09:20:18 -07:00
Howard Chu
04f488e7a0
ITS#7210 additional freelist fixes
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Also allow read access to freelist in mdb_cursor_open
2012-03-28 09:18:00 -07:00
Howard Chu
b92af0760b
ITS#7210 partial fix
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Allow pages from free list to be used when growing the free list.
(Yes, this is self-referential...)
2012-03-27 06:44:28 -07:00
Howard Chu
8a4981d8aa
ITS#7213 fix page_split with MDB_APPEND
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don't skip the cursor adjust checks
2012-03-26 06:58:16 -07:00
Howard Chu
25e8e82c5f
Update overflow page count when freeing overflow page
2012-03-20 17:14:59 -07:00
Hallvard Furuseth
c7da506dd2
Fix MDB_txninfo.mt2 padding on Windows/Apple
2012-03-09 19:30:34 +01:00
Hallvard Furuseth
c7fe1f466e
Tweak mdb comment with conflicting spec of 'ID'
2012-03-09 19:25:44 +01:00
Hallvard Furuseth
5c182fbedf
Fix valgrind call after malloc failure in mdb.
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Also line up the code logic a bit.
2012-03-09 19:22:31 +01:00
Hallvard Furuseth
d3b9939e71
Clean up MAP_FAILED handling in mdb.
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Delay (MDB_txninfo*) cast to after comparing mmap() with MAP_FAILED.
Otherwise, if MAP_FAILED = (void*)-1 but MDB_txninfo requires stricter
alignment, the compiler could assume the result is never MAP_FAILED.
Also store NULL in env->(me_map, me_txns) after mmap failure.
2012-03-09 19:06:04 +01:00
Hallvard Furuseth
2baadabdff
ITS#7191 Align dirty MDB pages on the stack
2012-03-09 18:45:39 +01:00
Howard Chu
15f3e650da
ITS#7191 more alignment tweaks
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Revealed when gcc optimization is enabled
2012-03-08 21:28:24 -08:00
Howard Chu
2ccf0d58b2
Fix typo in 7bc62c5128
2012-03-06 22:55:53 -08:00
Howard Chu
7bc62c5128
ITS#7190 fix merging of branch pages in deletes
2012-03-06 22:12:21 -08:00
Hallvard Furuseth
d50d57ed63
Fix libmdb comments
2012-03-03 09:58:05 +01:00
Hallvard Furuseth
e1b88d93ac
Remove development file libmdb/make.sh
2012-03-03 09:52:33 +01:00
Hallvard Furuseth
d8b4598085
ITS#7191 Fix mdb_xcursor_init1() unaligned access
2012-03-03 09:49:20 +01:00
Howard Chu
1b07b48c1a
ITS#7196 use IOV_MAX if it's defined and small
2012-03-02 17:26:49 -08:00
Howard Chu
b23bb7a0b1
ITS#7160 get BYTE_ORDER def for HPUX (and Solaris)
2012-02-21 11:52:01 -08:00
Howard Chu
953796759e
Fix typo in e8e57be421
2012-01-21 17:31:23 -08:00
Howard Chu
e8e57be421
Add valgrind support with -DUSE_VALGRIND
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Track allocations and invalid accesses to freed tmp pages.
2012-01-21 08:22:59 -08:00
Howard Chu
3d6b924c25
txn_commit must abort txn before returning errors
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Fix for failure when committing a txn that is a child of
some parent txn.
2012-01-21 08:20:43 -08:00
Howard Chu
1c8de1883c
ITS#7121 fix page splits when newindx == 0
2012-01-21 08:18:37 -08:00
Howard Chu
b9cbcb0588
ITS#7126 fix cursor tracking code
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Don't compare cursors that aren't deep enough to match the
current cursor.
2012-01-21 08:12:56 -08:00
Howard Chu
713bf092b6
Happy New Year!
2012-01-21 08:09:16 -08:00
Howard Chu
a17f8e7326
ITS#7121 fix page splits when data+key size is too large
2012-01-21 08:09:16 -08:00
Kurt Zeilenga
81afbb2fca
Happy New Year!
2012-01-21 08:07:21 -08:00
Howard Chu
95a72ac82a
Add $(SOLIBS) macro for shared lib dependencies
2011-11-18 15:43:55 -08:00
Howard Chu
dd9c56f0fb
More s/DEBUG/MDB_DEBUG/
2011-11-15 11:23:00 -08:00
Howard Chu
575691ca8a
Alignment fixes for debug msgs
2011-11-14 16:21:59 -08:00
Howard Chu
51c1ba6818
s/DEBUG/MDB_DEBUG/
2011-11-14 14:40:43 -08:00
Howard Chu
29de655bc4
Add MDB_FDATASYNC to allow override to fsync if needed.
2011-11-11 12:49:11 -08:00
Howard Chu
291c0ce2db
Use <inttypes.h> instead of <stdint.h>
2011-11-11 10:59:27 -08:00
Howard Chu
8763c41e30
Fix size check
2011-11-10 12:41:34 -08:00
Howard Chu
04b522cc72
More Solaris warning cleanup
2011-11-09 15:32:37 -08:00
Howard Chu
68143e4532
More pgno alignment tweaks
2011-11-09 00:36:50 -08:00
Howard Chu
690792c170
Add dummy DKEY define
2011-11-08 20:05:29 -08:00
Howard Chu
cc7a89cd67
Add Solaris byte-order detection
2011-11-08 19:04:39 -08:00
Howard Chu
f0c9d77326
Fix mdb_drop return
2011-11-08 16:45:45 -08:00
Howard Chu
a103a64434
Android/ARM portability
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2-byte alignment isn't good enough for subpages
2011-10-14 22:03:46 -07:00
Howard Chu
331bf92df5
Fix page_split with MDB_RESERVE
2011-10-06 18:53:07 -07:00
Howard Chu
19e4df476d
Fix subcursor initialization
2011-10-06 16:12:52 -07:00
Howard Chu
934a19553c
Don't use Append mode when splits are caused by sub-page inserts
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Sub-pages need room to grow...
2011-10-03 18:02:17 -07:00
Howard Chu
ea0d07ffa3
Fix freelist bug on page split
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NULL out env->pghead before writing it, so that its pages can't be used
to satisfy the write.
2011-10-03 12:40:53 -07:00
Howard Chu
85bfb3c1d1
Add rudimentary MDB_MULTIPLE support for puts
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Only for DUPFIXED DBs. Still could do better.
2011-10-03 11:28:14 -07:00
Howard Chu
fa3c2945f5
Add MDB_APPEND to avoid splitting full pages
2011-10-02 21:27:07 -07:00
Howard Chu
163514e470
Fix 6e05ca17e9
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Missed a MDB_RESERVE case
2011-10-02 19:52:12 -07:00
Howard Chu
28b8aaeb96
Add mdb_cursor_txn() and mdb_cursor_dbi() for querying the cursor
2011-10-02 19:28:33 -07:00
Howard Chu
6e05ca17e9
Add MDB_RESERVE mode
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When putting a record, just make space for the data, don't copy it.
(Not compatible with MDB_DUPSORT, since the actual data is needed
to determine the insert location.)
2011-10-02 10:02:30 -07:00
Howard Chu
fe11433619
Tweak cursor adjustment code
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Skip the original cursor that made the change
2011-09-30 22:15:05 -07:00
Howard Chu
19d1e72bbc
Make sure mdb_open actually got a sub-db record
2011-09-29 21:07:07 -07:00
Howard Chu
fa0d64242b
Doc for the MDB_NOSUBDIR env option
2011-09-22 21:46:12 -07:00
Howard Chu
7a40080dd1
Add MDB_NOSUBDIR option
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Create the data file using exactly the given pathname, and
the lock file using a suffix on the data file name.
2011-09-22 18:05:06 -07:00
Howard Chu
54eb76cc7a
Reader table notes
2011-09-22 04:34:40 -07:00
Howard Chu
4bcaabecf5
assert cleanup
2011-09-21 17:21:48 -07:00
Howard Chu
619e671f1c
txn_abort/commit free all their cursors now.
2011-09-21 16:37:29 -07:00
Howard Chu
9bcc51ef5d
Only free malloc'd cursors
2011-09-21 16:06:52 -07:00
Howard Chu
b9d13a29e6
Track changes to all cursors.
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For any change to a page or node, update all other cursors pointing
at the same page (or node). Cursors are now stored in a linked list
off their owning transaction. Cursors are all closed when the transaction
ends. Cursors in parent transactions are updated when their child
transaction commits.
2011-09-21 15:55:27 -07:00
Howard Chu
c4d5e6e786
Add support for nested transactions.
2011-09-21 12:58:43 -07:00
Hallvard Furuseth
8fa10ae668
libmdb IDL cleanup.
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Microoptimize IDL search.
Use RANGE_<FIRST/LAST> when IDL is known to be a range.
2011-09-19 10:27:49 +02:00
Howard Chu
02abfb91ba
Additional fix for prev commit
2011-09-18 18:26:54 -07:00
Howard Chu
4272e7de4f
Make sure 2 subpages fit in one real page
2011-09-18 18:13:23 -07:00
Howard Chu
237fabda64
Fix last delete from a subpage
2011-09-18 17:07:47 -07:00
Howard Chu
0ab841598f
Fix 09006ccec7
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Check for stale DBs was in the wrong place.
2011-09-18 16:39:18 -07:00
Howard Chu
2c70d0430a
Fix mdb_drop() if not deleting the DB record
2011-09-18 14:22:27 -07:00
Howard Chu
77b1017b85
Fix typo, minor cleanup
2011-09-18 14:12:49 -07:00
Howard Chu
57b5fbea49
Add mdb_drop() for deleting a DB
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Allow MIDLs to grow arbitrarily, to allow unlimited number of
pages to be freed in one txn.
2011-09-18 12:37:02 -07:00
Howard Chu
09006ccec7
API change, consistency check
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mdb_close() takes an env, not a txn.
Also, add check for stale DB records (in case some other process
wrote to the DB last).
2011-09-18 10:48:12 -07:00