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35 Commits

Author SHA1 Message Date
Ben Johnson
482f00fdfc Add ErrTxClosed error. 
Commit/Rollback and mutable calls on Tx and Bucket now return ErrTxClosed
if the transaction has already been committed or rolled back. Non-mutable
calls have added an assertion to check if the transaction is closed which
will cause a panic. I don't want to introduce an error return for accessor
methods that are being used improperly so I think the panic is appropriate.
 2014-03-23 12:20:16 -06:00
Ben Johnson
4132080333 Fix Cursor.Last() on empty buckets. 
@tv42 reported that creating a cursor on an empty bucket and then calling
Cursor.Last() causes an index out of range error and panics. This commit
adds a check for the page's item count being greater than zero.

Fixes #63.
 2014-03-13 14:39:28 -06:00
Ben Johnson
c551e45a47 Consolidate Tx and RWTx. 2014-03-08 20:40:48 -07:00
Ben Johnson
57376f0905 Rename Transaction to Tx. 
I changed the Transaction/RWTransaction types to Tx/RWTx, respectively. This makes the naming
more consistent with other packages such as database/sql. The txnid is changed to txid as well.
 2014-03-08 17:04:02 -07:00
Ben Johnson
a1f43f4d60 Allow reads of unflushed nodes. 
This commit allows cursors to read updated values from within the
RWTransaction.
 2014-03-01 09:13:59 -07:00
Ben Johnson
956453b69f Minor refactor. 2014-02-28 15:13:07 -07:00
Ben Johnson
3b2fd8f2d3 Revert "Refactor Transaction/Bucket API." 
This reverts commit 1ad2b99f281d587b767b36f886401e81d17915a9.
 2014-02-22 22:54:54 -07:00
Ben Johnson
1ad2b99f28 Refactor Transaction/Bucket API. 2014-02-21 22:57:50 -07:00
Ben Johnson
15e0eae829 Bidirectional cursors. 2014-02-20 13:53:40 -07:00
Tommi Virtanen
8438c6ebc3 Cursor.Get is now Cursor.Seek, and returns the first possible key. 
This makes range and prefix queries possible.

Closes: #44
 2014-02-20 11:33:28 -08:00
Ben Johnson
2d1f21a40d Fix Cursor godoc for First(), Next(), and Get(). 2014-02-20 11:04:46 -07:00
Ben Johnson
d1952237ed Improve test coverage. 2014-02-15 23:45:17 -07:00
Ben Johnson
8ad59edd02 API Documentation. 2014-02-13 10:58:27 -07:00
Ben Johnson
b8122bf568 Cursor iteration. 2014-02-11 09:07:07 -07:00
Ben Johnson
509e93dff4 Add freelist. 2014-02-10 14:04:01 -07:00
Ben Johnson
3da04c52b9 Rebalance after deletion. 2014-02-08 23:13:54 -07:00
Ben Johnson
84939c21f6 Refactor node lookup. 2014-02-07 15:03:29 -07:00
Ben Johnson
8b3b81ef47 Fix quick tests. 2014-02-05 07:56:13 -07:00
Ben Johnson
1a17a2cf1e Add RWTransaction.Put(). 2014-02-01 12:30:37 -05:00
Ben Johnson
8d5757e9dd gofmt 2014-01-30 17:04:56 -05:00
Ben Johnson
149d48fb9e Fix leaf/branch deserialization. 2014-01-30 00:11:46 -05:00
Ben Johnson
4fc84daf2a Refactor meta.copy() and page.init(). 2014-01-29 22:35:58 -05:00
Ben Johnson
ef590ecdfb lpage 2014-01-27 22:22:37 -05:00
Ben Johnson
192649f453 Intermediate. 2014-01-27 10:11:54 -05:00
Ben Johnson
1baa6d576a Initialize transaction/rwtransaction. 2014-01-26 15:29:06 -07:00
Ben Johnson
73ab1d420d TODO 2014-01-24 16:32:18 -07:00
Ben Johnson
20b26eac78 TODO 2014-01-24 12:51:56 -07:00
Ben Johnson
bce3e667df Intermediate commit. 2014-01-21 15:00:48 -07:00
Ben Johnson
153372abd4 Refactoring to RWCursor, RWTxn, and branch/leaf nodes and pages. 2014-01-17 15:23:39 -07:00
Ben Johnson
cec7b942e7 Add system buckets. 2014-01-14 13:01:02 -07:00
Ben Johnson
79d9b6bb5a Begin Transaction.Cursor(). 2014-01-13 10:35:04 -07:00
Ben Johnson
ee24437bfc Initial db.open. 2014-01-11 22:51:01 -07:00
Ben Johnson
df8333328f DB.Open(), pages, and meta. 2014-01-10 07:32:12 -07:00
Ben Johnson
f922c1d2bc Move all C code into repo. 2014-01-09 09:07:10 -07:00
Ben Johnson
ebc9f0da9e Basic types. 2014-01-08 08:06:17 -07:00