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package bolt
var (
// ErrInvalid is returned when a data file is not a Bolt-formatted database.
ErrInvalid = &Error{"Invalid database", nil}
// ErrVersionMismatch is returned when the data file was created with a
// different version of Bolt.
ErrVersionMismatch = &Error{"version mismatch", nil}
// ErrDatabaseNotOpen is returned when a DB instance is accessed before it
// is opened or after it is closed.
ErrDatabaseNotOpen = &Error{"database not open", nil}
// ErrDatabaseOpen is returned when opening a database that is
// already open.
ErrDatabaseOpen = &Error{"database already open", nil}
// ErrTxNotWritable is returned when performing a write operation on a
// read-only transaction.
ErrTxNotWritable = &Error{"tx not writable", nil}
// ErrTxClosed is returned when committing or rolling back a transaction
// that has already been committed or rolled back.
ErrTxClosed = &Error{"tx closed", nil}
// ErrBucketNotFound is returned when trying to access a bucket that has
// not been created yet.
ErrBucketNotFound = &Error{"bucket not found", nil}
// ErrBucketExists is returned when creating a bucket that already exists.
ErrBucketExists = &Error{"bucket already exists", nil}
// ErrBucketNameRequired is returned when creating a bucket with a blank name.
ErrBucketNameRequired = &Error{"bucket name required", nil}
// ErrBucketNameTooLarge is returned when creating a bucket with a name
// that is longer than MaxBucketNameSize.
ErrBucketNameTooLarge = &Error{"bucket name too large", nil}
// ErrBucketNotWritable is returned when changing data on a bucket
// reference that was created from a read-only transaction.
ErrBucketNotWritable = &Error{"bucket not writable", nil}
// ErrKeyRequired is returned when inserting a zero-length key.
ErrKeyRequired = &Error{"key required", nil}
// ErrKeyTooLarge is returned when inserting a key that is larger than MaxKeySize.
ErrKeyTooLarge = &Error{"key too large", nil}
// ErrValueTooLarge is returned when inserting a value that is larger than MaxValueSize.
ErrValueTooLarge = &Error{"value too large", nil}
// ErrSequenceOverflow is returned when the next sequence number will be
// larger than the maximum integer size.
ErrSequenceOverflow = &Error{"sequence overflow", nil}
)
// Error represents an error condition caused by Bolt.
type Error struct {
message string
cause error
}
// Error returns a string representation of the error.
func (e *Error) Error() string {
if e.cause != nil {
return e.message + ": " + e.cause.Error()
}
return e.message
}
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