ceremonyclient/pebble/sstable/data_test.go
Cassandra Heart 2e2a1e4789
v1.2.0 (#31)
2024-01-03 01:31:42 -06:00

501 lines
13 KiB
Go

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