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author | Ben Johnson <benbjohnson@yahoo.com> | 2014-01-21 15:22:49 -0700 |
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committer | Ben Johnson <benbjohnson@yahoo.com> | 2014-01-21 15:22:49 -0700 |
commit | a5d6fd8d5093a960029f65d3a25f404608c6a8d2 (patch) | |
tree | edb3be22a141bf5c1147b63aed415d02a90c3131 | |
parent | Update README.md (diff) | |
download | dedo-a5d6fd8d5093a960029f65d3a25f404608c6a8d2.tar.gz dedo-a5d6fd8d5093a960029f65d3a25f404608c6a8d2.tar.xz |
Update README.md
-rw-r--r-- | README.md | 36 |
1 files changed, 34 insertions, 2 deletions
@@ -55,7 +55,7 @@ err := db.DeleteBucket("widgets") ### Transactions -All access to the bucket data happens through a Transaction. +Versioning of data in the bucket data happens through a Transaction. These transactions can be either be read-only or read/write transactions. Transactions are what keeps Bolt consistent and allows data to be rolled back if needed. @@ -69,12 +69,44 @@ Please double check that you are appropriately closing all transactions after yo ```go t, err := db.Transaction() +t.Close() +``` + +#### Creating and committing a read/write transaction + +``` +t, err := db.RWTransaction() +err := t.Commit() +``` + +#### Creating and aborting a read/write transaction -// Read/write txn: +``` t, err := db.RWTransaction() +err := t.Abort() +``` + + +### Cursors + +Cursors provide access to a specific bucket within a transaction. + + +#### Creating a read-only cursor + +```go +t, err := db.Transaction() +b, err := t.Bucket("widgets") +c, err := b.Cursor() ``` +#### Creating a read/write cursor +```go +t, err := db.RWTransaction() +b, err := t.Bucket("widgets") +c, err := b.RWCursor() +``` |