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Author SHA1 Message Date
Howard Chu
34459e0585 ITS#7589 another mdb_page_split fix 
Tweak split_indx check, go one slot further.
 2013-10-31 17:31:15 -07:00
Howard Chu
e31983c723 ITS#7736 fix regression in ITS#7733 patch 
In d8eccb353b
 2013-10-31 16:01:49 -07:00
Howard Chu
d8eccb353b ITS#7733 check cursor index before cursor_del 2013-10-28 07:25:54 -07:00
David Wilson
742a078ea5 ITS#7734 Add MDB_NORDAHEAD to CHANGELESS. 2013-10-28 06:58:52 -07:00
Howard Chu
7449ca604c Bump to 0.9.9 2013-10-24 15:57:17 -07:00
Howard Chu
b86f08e9d6 Add mdb_env_get_fd() 
Return the environment's filedescriptor. Useful when the caller
is doing their own locking.
 2013-10-21 10:41:41 -07:00
Howard Chu
dddc7a385b Fix 01dfb2083d 
USE_POSIX_SEM must define USE_HASH
 2013-10-14 09:47:26 -07:00
Howard Chu
ab9b08f8af ITS#7725 add MDB_NORDAHEAD flag for env_open 2013-10-12 16:20:04 -07:00
Howard Chu
5a9ddfd289 ITS#7589 silence warnings 2013-10-12 13:40:28 -07:00
Howard Chu
2211fb15db ITS#7589 Fix typo in prev commit 2013-10-12 13:31:09 -07:00
Howard Chu
400e21370b ITS#7589 Cleanup unneeded vars in prev patch 2013-10-12 13:20:02 -07:00
Howard Chu
310b656a2e ITS#7589 avoid wasting space in mdb_page_split 
Also, check the split point on branch pages as well as leaf pages.
 2013-10-12 09:34:40 -07:00
Howard Chu
01dfb2083d Add MDB_USE_HASH 
There may be other uses for it besides semaphore names.
 2013-10-12 09:28:37 -07:00
Howard Chu
940f5cb373 ITS#7722 fix page_merge for collapsing root 
Other cursors being fixed up are not necessarily height 1.
 2013-10-09 02:24:45 -07:00
Howard Chu
bf0e97aa0e ITS#7718 invalidate cursor when DB gets emptied 2013-10-08 04:43:58 -07:00
Howard Chu
d327a36ad8 Fix mdb_env_set_mapsize() 
Don't allow shrinking below minimum size for an already open env.
 2013-10-04 02:55:34 -07:00
Howard Chu
2520247ba1 ITS#7715 always set filesize for WRITEMAP 2013-10-04 02:46:38 -07:00
Hallvard Furuseth
9f7ae8925f Add Caveat: Readers need write access. Whitespace. 2013-10-04 00:51:58 +02:00
Hallvard Furuseth
0f9b79e12c Maintain MDB_cursor.mc_top 2013-10-04 00:32:35 +02:00
Hallvard Furuseth
99ea7669a3 mdb_cursor_sibling(): Fix error result 2013-10-03 23:59:25 +02:00
Hallvard Furuseth
8f075595a1 mdb_node_add(): Plug page leak when MDB_PAGE_FULL. 
Do not fail after mdb_page_new() succeeds.
 2013-10-03 23:59:25 +02:00
Hallvard Furuseth
3a1d73daff Optimize code holding reader mutex 2013-10-03 23:59:24 +02:00
Hallvard Furuseth
3d67838a59 Set MDB_xcursor DB_DIRTY, clear md_name. 
Both were unused and md_name was unmaintained -- except
mdb_cursor_touch(xcursor) would abuse md_name as a key to
touch MAIN_DBI if it could somehow get passed ! DB_DIRTY.
 2013-10-03 23:59:24 +02:00
Hallvard Furuseth
07dc79a7c3 Set subDB DBI=parent DBI, fix MDB_DUPSORT delete. 
xcursor DBIs were parent DBI+1 for debugging. Instead output
-(parent DBI).  Fixes a crash in mdb_cursor_del0()'s xcursor
tracking, it forgot to subtract 1 for C_SUB cursors.
 2013-10-03 23:59:24 +02:00
Howard Chu
79eac42c0f s/MDB_NORDLOCK/MDB_NOLOCK/ 
Leave all lock management to the caller.
 2013-10-03 10:26:44 -07:00
Howard Chu
a1685c3ef7 More doc for MDB_NORDLOCK 2013-10-01 23:36:57 -07:00
Howard Chu
f739940547 Add MDB_NORDLOCK to omit all reader table usage 
Calling app wants to manage its own locking.
 2013-10-01 13:16:38 -07:00
Hallvard Furuseth
e3f6c152c5 Drop unneeded code. 
MDB_txn.mt_toggle: Use (mt_txnid & 1) instead.
Drop error checks which will be repeated.
mdb_cursor_set(): Turn assert into if/return to match the above.
mdb_cursor_del(): 'flags' are now used as bitflags.
 2013-09-23 20:21:11 +02:00
Hallvard Furuseth
2980bd30f5 Clean up and simplify mdb_page_search(). 
Only named DBs can have DB_STALE, and they do not use MDB_PS_MODIFY.
Replace magic key values with flags.  Drop duplicated comments at
mdb_page_search_root() vs. mdb_page_search(), and rephrase.
 2013-09-23 20:21:11 +02:00
Hallvard Furuseth
31cfca9316 Tweak MDB_DEBUG output 2013-09-23 20:20:42 +02:00
Hallvard Furuseth
7bdb5be0b5 Rename SWAP() to avoid conflict with sqlightning. 
Happened since sqlightning #includes mdb.c, midl.c.
 2013-09-23 20:20:05 +02:00
Hallvard Furuseth
52cb8b3417 mdb_page_unspill(): Rename local vars. 
The names have caused bugs, "txn" was treated as
the current transaction.
 2013-09-23 20:13:27 +02:00
Hallvard Furuseth
8e1d10e828 ITS#7515 Fix mdb_page_unspill() in nested txn. 
Malloc a page in this txn, not in a parent.
 2013-09-23 20:13:27 +02:00
Hallvard Furuseth
a3b3482854 ITS#7515 Fix mdb_txn_commit(nested txn with spills). 
Catch malloc error.
Fix hunt for dirty vs spilled pages: Don't leave x at a deleted pageno.
Cleanup: Factor out variables, squash pages already marked for deletion.
 2013-09-23 20:13:27 +02:00
Hallvard Furuseth
bc48a40621 ITS#7515 Fix mt_dirty_room in nested txns. 
Fix description & code: Also ignore dirty pages hidden by
spilled pages, as they won't merge into our dirty_list.
Update it in mdb_page_flush() instead of mdb_page_spill().
 2013-09-23 20:13:27 +02:00
Hallvard Furuseth
cfe262dce9 ITS#7515 mdb_pages_xkeep(): Careful about xcursors. 
Don't prod sub-pages or pages referring to uninitialized xcursors.
 2013-09-23 20:13:27 +02:00
Hallvard Furuseth
5b96d68faf mdb_pages_xkeep(): Reformat, use common flag mask 2013-09-23 20:13:27 +02:00
Hallvard Furuseth
5b21307f29 Update MDB documentation and comments. 2013-09-23 20:09:47 +02:00
Hallvard Furuseth
3335b25834 ITS#7682 mdb_env_copy(): Avoid Linux O_DIRECT bug. 
Use fcntl() to set the flag.  Linux open(,O_DIRECT...) can create
the file even on failure, if the filesystem lacks O_DIRECT support.
 2013-09-23 20:07:29 +02:00
Howard Chu
912e09fd04 ITS#7681 fix 18a07eb7c2 
Set rc=0 when taking the SET_RANGE branch
 2013-09-21 14:51:01 -07:00
Howard Chu
0144da6eab ITS#7701 fix mdb_rebalance 
Must copy tmp cursor back to real cursor when merging into tmp cursor.
 2013-09-21 14:37:11 -07:00
Howard Chu
0f842a2710 Release 0.9.8 2013-09-09 08:29:46 -07:00
Howard Chu
7e58cc0fd3 updates 2013-09-05 16:23:49 -07:00
Salvador Ortiz
cfc13e2b48 ITS#7682 In mdb_env_copy retry open if O_DIRECT fails 2013-09-05 16:20:18 -07:00
Howard Chu
90c55178db More for 5f6fa8c042 
Reset delete flag in cursor_put().
 2013-09-05 06:02:07 -07:00
Claude Brisson
18a07eb7c2 ITS#7681 fix mdb_cursor_set behaviour for MDB_SET_RANGE 2013-09-05 05:57:03 -07:00
Howard Chu
5f6fa8c042 Remember if last cursor op was a delete 
If so, don't advance cursor on next NEXT. Also, init xcursor
on the next GET_CURRENT.
 2013-09-03 16:10:20 -07:00
Howard Chu
3d59ca3558 Add a changelog 2013-08-28 20:22:41 -07:00
Howard Chu
5c5300c604 Bump version to 0.9.8 2013-08-28 19:17:25 -07:00
Howard Chu
2e7130cab0 Allow mdb_env_set_mapsize() on an open environment 
The caller is responsible for making sure no transactions are
active in this process before resizing. This is slightly lighter
weight than doing a full env_close/env_open cycle.
 2013-08-28 19:12:59 -07:00