aboutsummaryrefslogtreecommitdiff
path: root/bucket.go
diff options
context:
space:
mode:
Diffstat (limited to 'bucket.go')
-rw-r--r--bucket.go6
1 files changed, 5 insertions, 1 deletions
diff --git a/bucket.go b/bucket.go
index 8c3edae..d2f8c52 100644
--- a/bucket.go
+++ b/bucket.go
@@ -11,7 +11,7 @@ const (
MaxKeySize = 32768
// MaxValueSize is the maximum length of a value, in bytes.
- MaxValueSize = 4294967295
+ MaxValueSize = (1 << 31) - 2
)
const (
@@ -99,6 +99,7 @@ func (b *Bucket) Cursor() *Cursor {
// Bucket retrieves a nested bucket by name.
// Returns nil if the bucket does not exist.
+// The bucket instance is only valid for the lifetime of the transaction.
func (b *Bucket) Bucket(name []byte) *Bucket {
if b.buckets != nil {
if child := b.buckets[string(name)]; child != nil {
@@ -148,6 +149,7 @@ func (b *Bucket) openBucket(value []byte) *Bucket {
// CreateBucket creates a new bucket at the given key and returns the new bucket.
// Returns an error if the key already exists, if the bucket name is blank, or if the bucket name is too long.
+// The bucket instance is only valid for the lifetime of the transaction.
func (b *Bucket) CreateBucket(key []byte) (*Bucket, error) {
if b.tx.db == nil {
return nil, ErrTxClosed
@@ -192,6 +194,7 @@ func (b *Bucket) CreateBucket(key []byte) (*Bucket, error) {
// CreateBucketIfNotExists creates a new bucket if it doesn't already exist and returns a reference to it.
// Returns an error if the bucket name is blank, or if the bucket name is too long.
+// The bucket instance is only valid for the lifetime of the transaction.
func (b *Bucket) CreateBucketIfNotExists(key []byte) (*Bucket, error) {
child, err := b.CreateBucket(key)
if err == ErrBucketExists {
@@ -270,6 +273,7 @@ func (b *Bucket) Get(key []byte) []byte {
// Put sets the value for a key in the bucket.
// If the key exist then its previous value will be overwritten.
+// Supplied value must remain valid for the life of the transaction.
// Returns an error if the bucket was created from a read-only transaction, if the key is blank, if the key is too large, or if the value is too large.
func (b *Bucket) Put(key []byte, value []byte) error {
if b.tx.db == nil {