ceremonyclient/pebble/error_iter.go

87 lines
2.4 KiB
Go
Raw Normal View History

2024-01-03 07:31:42 +00:00
// Copyright 2018 The LevelDB-Go and Pebble Authors. All rights reserved. Use
// of this source code is governed by a BSD-style license that can be found in
// the LICENSE file.
package pebble
import (
"context"
"github.com/cockroachdb/pebble/internal/base"
"github.com/cockroachdb/pebble/internal/keyspan"
)
type errorIter struct {
err error
}
// errorIter implements the base.InternalIterator interface.
var _ internalIterator = (*errorIter)(nil)
func (c *errorIter) SeekGE(key []byte, flags base.SeekGEFlags) (*InternalKey, base.LazyValue) {
return nil, base.LazyValue{}
}
func (c *errorIter) SeekPrefixGE(
prefix, key []byte, flags base.SeekGEFlags,
) (*base.InternalKey, base.LazyValue) {
return nil, base.LazyValue{}
}
func (c *errorIter) SeekLT(key []byte, flags base.SeekLTFlags) (*InternalKey, base.LazyValue) {
return nil, base.LazyValue{}
}
func (c *errorIter) First() (*InternalKey, base.LazyValue) {
return nil, base.LazyValue{}
}
func (c *errorIter) Last() (*InternalKey, base.LazyValue) {
return nil, base.LazyValue{}
}
func (c *errorIter) Next() (*InternalKey, base.LazyValue) {
return nil, base.LazyValue{}
}
func (c *errorIter) Prev() (*InternalKey, base.LazyValue) {
return nil, base.LazyValue{}
}
func (c *errorIter) NextPrefix([]byte) (*InternalKey, base.LazyValue) {
return nil, base.LazyValue{}
}
func (c *errorIter) Error() error {
return c.err
}
func (c *errorIter) Close() error {
return c.err
}
func (c *errorIter) String() string {
return "error"
}
func (c *errorIter) SetBounds(lower, upper []byte) {}
func (c *errorIter) SetContext(_ context.Context) {}
type errorKeyspanIter struct {
err error
}
// errorKeyspanIter implements the keyspan.FragmentIterator interface.
var _ keyspan.FragmentIterator = (*errorKeyspanIter)(nil)
func (*errorKeyspanIter) SeekGE(key []byte) *keyspan.Span { return nil }
func (*errorKeyspanIter) SeekLT(key []byte) *keyspan.Span { return nil }
func (*errorKeyspanIter) First() *keyspan.Span { return nil }
func (*errorKeyspanIter) Last() *keyspan.Span { return nil }
func (*errorKeyspanIter) Next() *keyspan.Span { return nil }
func (*errorKeyspanIter) Prev() *keyspan.Span { return nil }
func (i *errorKeyspanIter) Error() error { return i.err }
func (i *errorKeyspanIter) Close() error { return i.err }
func (*errorKeyspanIter) String() string { return "error" }