mirror of
https://source.quilibrium.com/quilibrium/ceremonyclient.git
synced 2024-12-25 08:05:17 +00:00
501 lines
13 KiB
Go
501 lines
13 KiB
Go
// Copyright 2019 The LevelDB-Go and Pebble Authors. All rights reserved. Use
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// of this source code is governed by a BSD-style license that can be found in
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// the LICENSE file.
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package sstable
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import (
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"bytes"
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"context"
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"fmt"
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"io"
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"strconv"
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"strings"
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"github.com/cockroachdb/datadriven"
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"github.com/cockroachdb/errors"
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"github.com/cockroachdb/pebble/bloom"
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"github.com/cockroachdb/pebble/internal/base"
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"github.com/cockroachdb/pebble/internal/cache"
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"github.com/cockroachdb/pebble/internal/keyspan"
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"github.com/cockroachdb/pebble/internal/testkeys"
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"github.com/cockroachdb/pebble/objstorage"
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"github.com/cockroachdb/pebble/objstorage/objstorageprovider"
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"github.com/cockroachdb/pebble/vfs"
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)
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func optsFromArgs(td *datadriven.TestData, writerOpts *WriterOptions) error {
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for _, arg := range td.CmdArgs {
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switch arg.Key {
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case "leveldb":
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if len(arg.Vals) != 0 {
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return errors.Errorf("%s: arg %s expects 0 values", td.Cmd, arg.Key)
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}
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writerOpts.TableFormat = TableFormatLevelDB
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case "block-size":
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if len(arg.Vals) != 1 {
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return errors.Errorf("%s: arg %s expects 1 value", td.Cmd, arg.Key)
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}
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var err error
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writerOpts.BlockSize, err = strconv.Atoi(arg.Vals[0])
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if err != nil {
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return err
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}
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case "index-block-size":
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if len(arg.Vals) != 1 {
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return errors.Errorf("%s: arg %s expects 1 value", td.Cmd, arg.Key)
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}
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var err error
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writerOpts.IndexBlockSize, err = strconv.Atoi(arg.Vals[0])
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if err != nil {
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return err
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}
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case "filter":
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writerOpts.FilterPolicy = bloom.FilterPolicy(10)
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case "comparer-split-4b-suffix":
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writerOpts.Comparer = test4bSuffixComparer
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case "writing-to-lowest-level":
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writerOpts.WritingToLowestLevel = true
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case "is-strict-obsolete":
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writerOpts.IsStrictObsolete = true
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}
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}
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return nil
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}
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func runBuildCmd(
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td *datadriven.TestData, writerOpts *WriterOptions, cacheSize int,
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) (*WriterMetadata, *Reader, error) {
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f0 := &memFile{}
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if err := optsFromArgs(td, writerOpts); err != nil {
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return nil, nil, err
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}
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w := NewWriter(f0, *writerOpts)
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var rangeDels []keyspan.Span
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rangeDelFrag := keyspan.Fragmenter{
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Cmp: DefaultComparer.Compare,
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Format: DefaultComparer.FormatKey,
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Emit: func(s keyspan.Span) {
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rangeDels = append(rangeDels, s)
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},
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}
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var rangeKeys []keyspan.Span
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rangeKeyFrag := keyspan.Fragmenter{
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Cmp: DefaultComparer.Compare,
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Format: DefaultComparer.FormatKey,
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Emit: func(s keyspan.Span) {
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rangeKeys = append(rangeKeys, s)
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},
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}
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for _, data := range strings.Split(td.Input, "\n") {
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if strings.HasPrefix(data, "rangekey:") {
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var err error
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func() {
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defer func() {
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if r := recover(); r != nil {
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err = errors.Errorf("%v", r)
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}
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}()
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rangeKeyFrag.Add(keyspan.ParseSpan(strings.TrimPrefix(data, "rangekey:")))
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}()
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if err != nil {
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return nil, nil, err
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}
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continue
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}
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forceObsolete := false
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if strings.HasPrefix(data, "force-obsolete:") {
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data = strings.TrimSpace(strings.TrimPrefix(data, "force-obsolete:"))
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forceObsolete = true
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}
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j := strings.Index(data, ":")
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key := base.ParseInternalKey(data[:j])
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value := []byte(data[j+1:])
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switch key.Kind() {
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case InternalKeyKindRangeDelete:
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if forceObsolete {
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return nil, nil, errors.Errorf("force-obsolete is not allowed for RANGEDEL")
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}
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var err error
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func() {
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defer func() {
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if r := recover(); r != nil {
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err = errors.Errorf("%v", r)
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}
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}()
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rangeDelFrag.Add(keyspan.Span{
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Start: key.UserKey,
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End: value,
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Keys: []keyspan.Key{{Trailer: key.Trailer}},
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})
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}()
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if err != nil {
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return nil, nil, err
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}
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default:
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if err := w.AddWithForceObsolete(key, value, forceObsolete); err != nil {
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return nil, nil, err
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}
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}
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}
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rangeDelFrag.Finish()
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for _, v := range rangeDels {
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for _, k := range v.Keys {
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ik := base.InternalKey{UserKey: v.Start, Trailer: k.Trailer}
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if err := w.Add(ik, v.End); err != nil {
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return nil, nil, err
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}
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}
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}
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rangeKeyFrag.Finish()
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for _, s := range rangeKeys {
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if err := w.addRangeKeySpan(s); err != nil {
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return nil, nil, err
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}
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}
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if err := w.Close(); err != nil {
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return nil, nil, err
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}
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meta, err := w.Metadata()
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if err != nil {
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return nil, nil, err
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}
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readerOpts := ReaderOptions{Comparer: writerOpts.Comparer}
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if writerOpts.FilterPolicy != nil {
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readerOpts.Filters = map[string]FilterPolicy{
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writerOpts.FilterPolicy.Name(): writerOpts.FilterPolicy,
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}
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}
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if cacheSize > 0 {
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readerOpts.Cache = cache.New(int64(cacheSize))
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defer readerOpts.Cache.Unref()
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}
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r, err := NewMemReader(f0.Data(), readerOpts)
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if err != nil {
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return nil, nil, err
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}
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return meta, r, nil
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}
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func runBuildRawCmd(
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td *datadriven.TestData, opts *WriterOptions,
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) (*WriterMetadata, *Reader, error) {
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mem := vfs.NewMem()
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provider, err := objstorageprovider.Open(objstorageprovider.DefaultSettings(mem, "" /* dirName */))
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if err != nil {
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return nil, nil, err
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}
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defer provider.Close()
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f0, _, err := provider.Create(context.Background(), base.FileTypeTable, base.FileNum(0).DiskFileNum(), objstorage.CreateOptions{})
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if err != nil {
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return nil, nil, err
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}
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w := NewWriter(f0, *opts)
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for i := range td.CmdArgs {
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arg := &td.CmdArgs[i]
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if arg.Key == "range-del-v1" {
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w.rangeDelV1Format = true
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break
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}
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}
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for _, data := range strings.Split(td.Input, "\n") {
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if strings.HasPrefix(data, "rangekey:") {
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data = strings.TrimPrefix(data, "rangekey:")
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if err := w.addRangeKeySpan(keyspan.ParseSpan(data)); err != nil {
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return nil, nil, err
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}
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continue
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}
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j := strings.Index(data, ":")
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key := base.ParseInternalKey(data[:j])
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value := []byte(data[j+1:])
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switch key.Kind() {
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case base.InternalKeyKindRangeKeyDelete,
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base.InternalKeyKindRangeKeyUnset,
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base.InternalKeyKindRangeKeySet:
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if err := w.AddRangeKey(key, value); err != nil {
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return nil, nil, err
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}
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default:
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if err := w.Add(key, value); err != nil {
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return nil, nil, err
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}
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}
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}
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if err := w.Close(); err != nil {
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return nil, nil, err
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}
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meta, err := w.Metadata()
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if err != nil {
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return nil, nil, err
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}
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f1, err := provider.OpenForReading(context.Background(), base.FileTypeTable, base.FileNum(0).DiskFileNum(), objstorage.OpenOptions{})
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if err != nil {
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return nil, nil, err
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}
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r, err := NewReader(f1, ReaderOptions{})
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if err != nil {
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return nil, nil, err
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}
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return meta, r, nil
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}
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func scanGlobalSeqNum(td *datadriven.TestData) (uint64, error) {
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for _, arg := range td.CmdArgs {
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switch arg.Key {
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case "globalSeqNum":
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if len(arg.Vals) != 1 {
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return 0, errors.Errorf("%s: arg %s expects 1 value", td.Cmd, arg.Key)
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}
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v, err := strconv.Atoi(arg.Vals[0])
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if err != nil {
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return 0, err
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}
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return uint64(v), nil
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}
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}
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return 0, nil
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}
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type runIterCmdOption func(*runIterCmdOptions)
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type runIterCmdOptions struct {
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everyOp func(io.Writer)
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everyOpAfter func(io.Writer)
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stats *base.InternalIteratorStats
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}
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func runIterCmdEveryOp(everyOp func(io.Writer)) runIterCmdOption {
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return func(opts *runIterCmdOptions) { opts.everyOp = everyOp }
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}
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func runIterCmdEveryOpAfter(everyOp func(io.Writer)) runIterCmdOption {
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return func(opts *runIterCmdOptions) { opts.everyOpAfter = everyOp }
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}
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func runIterCmdStats(stats *base.InternalIteratorStats) runIterCmdOption {
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return func(opts *runIterCmdOptions) { opts.stats = stats }
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}
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func runIterCmd(
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td *datadriven.TestData, origIter Iterator, printValue bool, opt ...runIterCmdOption,
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) string {
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var opts runIterCmdOptions
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for _, o := range opt {
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o(&opts)
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}
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iter := newIterAdapter(origIter)
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defer iter.Close()
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var b bytes.Buffer
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var prefix []byte
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for _, line := range strings.Split(td.Input, "\n") {
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parts := strings.Fields(line)
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if len(parts) == 0 {
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continue
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}
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switch parts[0] {
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case "seek-ge":
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if len(parts) < 2 || len(parts) > 3 {
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return "seek-ge <key> [<try-seek-using-next]\n"
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}
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prefix = nil
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var flags base.SeekGEFlags
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if len(parts) == 3 {
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if trySeekUsingNext, err := strconv.ParseBool(parts[2]); err != nil {
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return err.Error()
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} else if trySeekUsingNext {
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flags = flags.EnableTrySeekUsingNext()
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}
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}
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iter.SeekGE([]byte(strings.TrimSpace(parts[1])), flags)
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case "seek-prefix-ge":
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if len(parts) != 2 && len(parts) != 3 {
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return "seek-prefix-ge <key> [<try-seek-using-next>]\n"
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}
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prefix = []byte(strings.TrimSpace(parts[1]))
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var flags base.SeekGEFlags
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if len(parts) == 3 {
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if trySeekUsingNext, err := strconv.ParseBool(parts[2]); err != nil {
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return err.Error()
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} else if trySeekUsingNext {
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flags = flags.EnableTrySeekUsingNext()
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}
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}
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iter.SeekPrefixGE(prefix, prefix /* key */, flags)
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case "seek-lt":
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if len(parts) != 2 {
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return "seek-lt <key>\n"
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}
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prefix = nil
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iter.SeekLT([]byte(strings.TrimSpace(parts[1])), base.SeekLTFlagsNone)
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case "first":
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prefix = nil
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iter.First()
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case "last":
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prefix = nil
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iter.Last()
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case "next":
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iter.Next()
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case "next-ignore-result":
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iter.NextIgnoreResult()
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case "prev":
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iter.Prev()
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case "next-prefix":
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if len(parts) != 1 {
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return "next-prefix should have no parameter\n"
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}
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if iter.Key() == nil {
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return "next-prefix cannot be called on exhauster iterator\n"
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}
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k := iter.Key().UserKey
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prefixLen := testkeys.Comparer.Split(k)
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k = k[:prefixLen]
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kSucc := testkeys.Comparer.ImmediateSuccessor(nil, k)
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iter.NextPrefix(kSucc)
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case "set-bounds":
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if len(parts) <= 1 || len(parts) > 3 {
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return "set-bounds lower=<lower> upper=<upper>\n"
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}
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var lower []byte
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var upper []byte
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for _, part := range parts[1:] {
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arg := strings.Split(strings.TrimSpace(part), "=")
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switch arg[0] {
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case "lower":
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lower = []byte(arg[1])
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if len(lower) == 0 {
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lower = nil
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}
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case "upper":
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upper = []byte(arg[1])
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if len(upper) == 0 {
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upper = nil
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}
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default:
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return fmt.Sprintf("set-bounds: unknown arg: %s", arg)
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}
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}
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iter.SetBounds(lower, upper)
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case "stats":
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// The timing is non-deterministic, so set to 0.
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opts.stats.BlockReadDuration = 0
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fmt.Fprintf(&b, "%+v\n", *opts.stats)
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continue
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case "reset-stats":
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*opts.stats = base.InternalIteratorStats{}
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continue
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case "internal-iter-state":
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fmt.Fprintf(&b, "| %T:\n", origIter)
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si, _ := origIter.(*singleLevelIterator)
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if twoLevelIter, ok := origIter.(*twoLevelIterator); ok {
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si = &twoLevelIter.singleLevelIterator
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if twoLevelIter.topLevelIndex.valid() {
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fmt.Fprintf(&b, "| topLevelIndex.Key() = %q\n", twoLevelIter.topLevelIndex.Key())
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v := twoLevelIter.topLevelIndex.value()
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bhp, err := decodeBlockHandleWithProperties(v.InPlaceValue())
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if err != nil {
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fmt.Fprintf(&b, "| topLevelIndex.InPlaceValue() failed to decode as BHP: %s\n", err)
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} else {
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fmt.Fprintf(&b, "| topLevelIndex.InPlaceValue() = (Offset: %d, Length: %d, Props: %x)\n",
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bhp.Offset, bhp.Length, bhp.Props)
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}
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} else {
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fmt.Fprintf(&b, "| topLevelIndex iter invalid\n")
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}
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fmt.Fprintf(&b, "| topLevelIndex.isDataInvalidated()=%t\n", twoLevelIter.topLevelIndex.isDataInvalidated())
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}
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if si.index.valid() {
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fmt.Fprintf(&b, "| index.Key() = %q\n", si.index.Key())
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v := si.index.value()
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bhp, err := decodeBlockHandleWithProperties(v.InPlaceValue())
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if err != nil {
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fmt.Fprintf(&b, "| index.InPlaceValue() failed to decode as BHP: %s\n", err)
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} else {
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fmt.Fprintf(&b, "| index.InPlaceValue() = (Offset: %d, Length: %d, Props: %x)\n",
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bhp.Offset, bhp.Length, bhp.Props)
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}
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} else {
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fmt.Fprintf(&b, "| index iter invalid\n")
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}
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fmt.Fprintf(&b, "| index.isDataInvalidated()=%t\n", si.index.isDataInvalidated())
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fmt.Fprintf(&b, "| data.isDataInvalidated()=%t\n", si.data.isDataInvalidated())
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fmt.Fprintf(&b, "| hideObsoletePoints = %t\n", si.hideObsoletePoints)
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fmt.Fprintf(&b, "| dataBH = (Offset: %d, Length: %d)\n", si.dataBH.Offset, si.dataBH.Length)
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fmt.Fprintf(&b, "| (boundsCmp,positionedUsingLatestBounds) = (%d,%t)\n", si.boundsCmp, si.positionedUsingLatestBounds)
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fmt.Fprintf(&b, "| exhaustedBounds = %d\n", si.exhaustedBounds)
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continue
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}
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if opts.everyOp != nil {
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opts.everyOp(&b)
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}
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if iter.Valid() && checkValidPrefix(prefix, iter.Key().UserKey) {
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fmt.Fprintf(&b, "<%s:%d>", iter.Key().UserKey, iter.Key().SeqNum())
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if printValue {
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fmt.Fprintf(&b, ":%s", string(iter.Value()))
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}
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} else if err := iter.Error(); err != nil {
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fmt.Fprintf(&b, "<err=%v>", err)
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} else {
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fmt.Fprintf(&b, ".")
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}
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if opts.everyOpAfter != nil {
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opts.everyOpAfter(&b)
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}
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b.WriteString("\n")
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}
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return b.String()
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}
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func runRewriteCmd(
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td *datadriven.TestData, r *Reader, writerOpts WriterOptions,
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) (*WriterMetadata, *Reader, error) {
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var from, to []byte
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for _, arg := range td.CmdArgs {
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switch arg.Key {
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case "from":
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from = []byte(arg.Vals[0])
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case "to":
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to = []byte(arg.Vals[0])
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}
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}
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if from == nil || to == nil {
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return nil, r, errors.New("missing from/to")
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}
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opts := writerOpts
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if err := optsFromArgs(td, &opts); err != nil {
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return nil, r, err
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}
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f := &memFile{}
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meta, _, err := rewriteKeySuffixesInBlocks(r, f, opts, from, to, 2)
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if err != nil {
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return nil, r, errors.Wrap(err, "rewrite failed")
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}
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readerOpts := ReaderOptions{Comparer: opts.Comparer}
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if opts.FilterPolicy != nil {
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readerOpts.Filters = map[string]FilterPolicy{
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opts.FilterPolicy.Name(): opts.FilterPolicy,
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}
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}
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r.Close()
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r, err = NewMemReader(f.Data(), readerOpts)
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if err != nil {
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return nil, nil, err
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}
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return meta, r, nil
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}
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