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delta_test.go
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// Copyright 2023 Rivian Automotive, Inc.
// Licensed under the Apache License, Version 2.0 (the “License”);
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an “AS IS” BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package delta
import (
"bytes"
"encoding/binary"
"encoding/json"
"errors"
"fmt"
"math/rand"
"os"
"path/filepath"
"reflect"
"strings"
"sync"
"sync/atomic"
"testing"
"time"
"github.com/apache/arrow/go/v14/parquet"
"github.com/apache/arrow/go/v14/parquet/compress"
"github.com/aws/aws-sdk-go-v2/service/dynamodb/types"
"github.com/chelseajonesr/rfarrow"
"github.com/google/uuid"
"github.com/rivian/delta-go/internal/dynamodbutils"
"github.com/rivian/delta-go/internal/s3utils"
"github.com/rivian/delta-go/lock"
"github.com/rivian/delta-go/lock/dynamolock"
"github.com/rivian/delta-go/lock/filelock"
"github.com/rivian/delta-go/lock/nillock"
"github.com/rivian/delta-go/logstore/dynamodblogstore"
"github.com/rivian/delta-go/state/filestate"
"github.com/rivian/delta-go/state/localstate"
"github.com/rivian/delta-go/storage"
"github.com/rivian/delta-go/storage/filestore"
"github.com/rivian/delta-go/storage/s3store"
)
func TestDeltaTransactionPrepareCommit(t *testing.T) {
var store filestore.FileObjectStore
store.SetBaseURI(storage.NewPath("tmp/"))
l := filelock.New(storage.NewPath(""), "tmp/_delta_log/_commit.lock", filelock.Options{})
deltaTable := Table{Store: &store, LockClient: l}
options := TransactionOptions{MaxRetryCommitAttempts: 3}
tempDeltaLogDir := "tmp/_delta_log/"
if err := os.MkdirAll(tempDeltaLogDir, 0700); err != nil {
t.Errorf("Failed to create directory %s", tempDeltaLogDir)
}
defer func() {
if err := os.RemoveAll(tempDeltaLogDir); err != nil {
t.Errorf("Failed to remove directory %s", tempDeltaLogDir)
}
}()
transaction := deltaTable.CreateTransaction(options)
add := Add{
Path: "part-00000-80a9bb40-ec43-43b6-bb8a-fc66ef7cd768-c000.snappy.parquet",
Size: 984,
ModificationTime: time.Now().UnixMilli(),
}
transaction.AddAction(add)
operation := Write{Mode: Overwrite}
appMetaData := make(map[string]any)
appMetaData["test"] = 123
transaction.SetOperation(operation)
transaction.SetAppMetadata(appMetaData)
commit, err := transaction.prepareCommit()
if err != nil {
t.Error("should be locked")
}
if commit.URI.Ext() != ".json" {
t.Errorf("extension should be .json, has %s", commit.URI.Ext())
}
commitFullPath := filepath.Join(store.BaseURI().Base(), commit.URI.Raw)
exists := fileExists(commitFullPath)
if !exists {
t.Error("commit file does not exist")
}
b, err := os.ReadFile(commitFullPath)
if err != nil {
t.Error("should be locked")
}
if !strings.Contains(string(b), add.Path) {
t.Errorf("File should contain add part file")
}
}
func TestDeltaTableReadCommitVersion(t *testing.T) {
table, _, _ := setupTest(t)
if err := table.Create(TableMetaData{}, Protocol{}, CommitInfo{}, []Add{}); err != nil {
t.Errorf("Failed to create table: %v", err)
}
transaction := setupTransaction(t, table, NewTransactionOptions())
commit, err := transaction.prepareCommit()
if err != nil {
t.Fatal(err)
}
err = transaction.tryCommit(&commit)
if err != nil {
t.Fatal(err)
}
actions, err := table.ReadCommitVersion(0)
if err != nil {
t.Fatal(err)
}
if len(actions) != 3 {
t.Fatal("Expected 3 actions")
}
_, ok := actions[0].(*CommitInfo)
if !ok {
t.Error("Expected CommitInfo for first action")
}
_, ok = actions[1].(*Protocol)
if !ok {
t.Error("Expected Protocol for second action")
}
_, ok = actions[2].(*MetaData)
if !ok {
t.Error("Expected MetaData for third action")
}
}
func TestDeltaTableReadCommitVersionWithAddStats(t *testing.T) {
table, _, _ := setupTest(t)
firstFieldMetaData := make(map[string]any)
firstFieldMetaData["hasMetaData"] = true
fields := []SchemaField{
{Name: "first_column", Type: Integer, Nullable: true, Metadata: firstFieldMetaData},
{Name: "second_column", Type: String, Nullable: false, Metadata: map[string]any{}},
{Name: "third_field", Type: Boolean, Nullable: true, Metadata: map[string]any{}},
}
schema := SchemaTypeStruct{Fields: fields}
format := new(Format).Default()
config := make(map[string]string)
config[string(AppendOnlyDeltaConfigKey)] = "true"
metadata := NewTableMetaData("Test Table", "", format, schema, []string{}, config)
protocol := new(Protocol).Default()
stats := Stats{NumRecords: 1, MinValues: map[string]any{"first_column": 1}}
path := "part-123.snappy.parquet"
statsJSON, err := stats.JSON()
if err != nil {
t.Error(err)
}
add := Add{
Path: path,
Size: 984,
ModificationTime: time.Now().UnixMilli(),
Stats: string(statsJSON),
}
commitInfo := make(map[string]any)
commitInfo["test"] = 123
err = table.Create(*metadata, protocol, commitInfo, []Add{add})
if err != nil {
t.Error(err)
}
transaction := setupTransaction(t, table, NewTransactionOptions())
commit, err := transaction.prepareCommit()
if err != nil {
t.Fatal(err)
}
err = transaction.tryCommit(&commit)
if err != nil {
t.Fatal(err)
}
actions, err := table.ReadCommitVersion(0)
if err != nil {
t.Fatal(err)
}
if len(actions) != 4 {
t.Error("Expected 3 actions")
}
_, ok := actions[0].(*CommitInfo)
if !ok {
t.Error("Expected CommitInfo for first action")
}
_, ok = actions[1].(*Protocol)
if !ok {
t.Error("Expected Protocol for second action")
}
_, ok = actions[2].(*MetaData)
if !ok {
t.Error("Expected MetaData for third action")
}
a, ok := actions[3].(*Add)
if !ok {
t.Error("Expected Add for fourth action")
}
if a.Path != path {
t.Error("Add path not deserialized properly")
}
var s Stats
err = json.Unmarshal([]byte(a.Stats), &s)
if err != nil {
t.Fatal(err)
}
if s.NumRecords != 1 {
t.Error("Add path stats NumRecords incorrect")
}
if s.MinValues["first_column"].(float64) != 1 {
t.Error("Add path stats MinValues incorrect")
}
}
func TestDeltaTableTryCommitTransaction(t *testing.T) {
table, _, _ := setupTest(t)
if err := table.Create(TableMetaData{}, Protocol{}, CommitInfo{}, []Add{}); err != nil {
t.Errorf("Failed to create table: %v", err)
}
transaction := setupTransaction(t, table, NewTransactionOptions())
commit, err := transaction.prepareCommit()
if err != nil {
t.Error(err)
}
err = transaction.tryCommit(&commit)
if err != nil {
t.Error(err)
}
if transaction.Table.State.Version != 1 {
t.Errorf("want version = 1,has version = %d", transaction.Table.State.Version)
}
//try again with the same version
err = transaction.tryCommit(&commit)
if !errors.Is(err, storage.ErrCopyObject) {
t.Error(err)
}
if transaction.Table.State.Version != 2 {
t.Errorf("want version = 1,has version = %d", transaction.Table.State.Version)
}
//prpare a new commit and try on the next version
commit, _ = transaction.prepareCommit()
err = transaction.tryCommit(&commit)
if err != nil {
t.Error(err)
}
if transaction.Table.State.Version != 3 {
t.Errorf("want version = 2,has version = %d", transaction.Table.State.Version)
}
}
func TestTryCommitWithExistingLock(t *testing.T) {
tmpDir := t.TempDir()
fileLockKey := filepath.Join(tmpDir, "_delta_log/_commit.lock")
fileLockKeyDir := filepath.Dir(fileLockKey)
if err := os.MkdirAll(filepath.Dir(fileLockKey), 0700); err != nil {
t.Errorf("Failed to create directory %s", fileLockKeyDir)
}
tmpPath := storage.NewPath(tmpDir)
//Create w0 commit lock
w0lockClient := filelock.New(tmpPath, "_delta_log/_commit.lock", filelock.Options{TTL: 10 * time.Second})
if _, err := w0lockClient.TryLock(); err != nil {
t.Errorf("Failed to acquire file lock: %v", err)
}
//try_commit while lock is held by w0
lockClient := filelock.New(tmpPath, "_delta_log/_commit.lock", filelock.Options{TTL: 60 * time.Second})
// lockClient.Unlock()
store := filestore.New(tmpPath)
state := filestate.New(tmpPath, "_delta_log/_commit.state")
table := NewTable(store, lockClient, state)
transaction := setupTransaction(t, table, TransactionOptions{MaxRetryCommitAttempts: 3})
version, err := transaction.Commit()
if !errors.Is(err, ErrExceededCommitRetryAttempts) {
t.Error(err)
}
if version != -1 {
t.Errorf("version stored in table.State.Version was never synced so is -1")
}
commitData, _ := state.Get()
if commitData.Version != 0 {
t.Errorf("commitData.Version is set as table.State.Version+1")
}
//try_commit after w0.Unlock()
if err := w0lockClient.Unlock(); err != nil {
t.Errorf("Failed to release file lock: %v", err)
}
time.Sleep(time.Second)
version, err = transaction.Commit()
if version != 1 {
t.Errorf("version stored in table.State.Version was synced to remote state to 1")
}
if err != nil {
t.Error(err)
}
commitData, _ = state.Get()
if commitData.Version != 1 {
t.Errorf("Version is %d, final Version in lock should be 1", commitData.Version)
}
}
type testBrokenUnlockLocker struct {
filelock.FileLock
}
func (l *testBrokenUnlockLocker) Unlock() error {
return lock.ErrUnableToUnlock
}
func TestCommitUnlockFailure(t *testing.T) {
tmpDir := t.TempDir()
fileLockKey := filepath.Join(tmpDir, "_delta_log/_commit.lock")
fileLockKeyDir := filepath.Dir(fileLockKey)
if err := os.MkdirAll(filepath.Dir(fileLockKey), 0700); err != nil {
t.Errorf("Failed to create directory %s", fileLockKeyDir)
}
tmpPath := storage.NewPath(tmpDir)
lockClient := testBrokenUnlockLocker{*filelock.New(tmpPath, "_delta_log/_commit.lock", filelock.Options{TTL: 60 * time.Second})}
store := filestore.New(tmpPath)
state := filestate.New(tmpPath, "_delta_log/_commit.state")
table := NewTable(store, &lockClient, state)
transaction := setupTransaction(t, table, TransactionOptions{MaxRetryCommitAttempts: 3})
_, err := transaction.Commit()
if !errors.Is(err, lock.ErrUnableToUnlock) {
t.Error(err)
}
}
// Test using local state and empty lock; this scenario is for local scripts and testing
func TestTryCommitWithNilLockAndLocalState(t *testing.T) {
tmpDir := t.TempDir()
tmpPath := storage.NewPath(tmpDir)
store := filestore.New(tmpPath)
storeState := localstate.New(-1)
lock := nillock.New()
table := NewTable(store, lock, storeState)
if err := table.Create(TableMetaData{}, Protocol{}, CommitInfo{}, []Add{}); err != nil {
t.Errorf("Failed to create table: %v", err)
}
transaction := setupTransaction(t, table, NewTransactionOptions())
commit, err := transaction.prepareCommit()
if err != nil {
t.Error(err)
}
err = transaction.tryCommit(&commit)
if err != nil {
t.Error(err)
}
if transaction.Table.State.Version != 1 {
t.Errorf("want version %d, has version = %d", 1, transaction.Table.State.Version)
}
commit, _ = transaction.prepareCommit()
err = transaction.tryCommit(&commit)
if err != nil {
t.Error(err)
}
if transaction.Table.State.Version != 2 {
t.Errorf("want version %d, has version = %d", 2, transaction.Table.State.Version)
}
}
func TestCommit_CopyObjectFailure(t *testing.T) {
uri := storage.NewPath("s3://test-bucket/test-delta-table")
client, err := s3utils.NewMockClient(t, uri)
if err != nil {
t.Fatalf("Failed to create S3 mock client: %v", err)
}
store, err := s3store.New(client, uri)
if err != nil {
t.Fatalf("Failed to create S3 object store: %v", err)
}
var (
dir = os.TempDir()
path = storage.NewPath(dir)
lock = filelock.New(path, "_delta_log/_commit.lock", filelock.Options{})
state = filestate.New(path, "_delta_log/_commit.state")
table = NewTable(store, lock, state)
transaction = setupTransaction(t, table, NewTransactionOptions())
metadata = NewTableMetaData("test", "", new(Format).Default(), SchemaTypeStruct{}, nil, make(map[string]string))
)
if err := table.Create(*metadata, Protocol{}, make(map[string]any), nil); err != nil {
t.Errorf("Failed to create table: %v", err)
}
commitState, err := table.StateStore.Get()
if err != nil {
t.Fatalf("Failed to get commit state: %v", err)
}
if commitState.Version != 0 {
t.Errorf("After creating table: commitState.Version = %v, want %v", commitState.Version, 0)
}
client.DisableObjectCopying = true
store, err = s3store.New(client, uri)
if err != nil {
t.Fatalf("Failed to create S3 object store: %v", err)
}
table = NewTable(store, lock, state)
transaction = setupTransaction(t, table, TransactionOptions{MaxRetryCommitAttempts: 3})
if _, err := transaction.Commit(); !errors.Is(err, ErrExceededCommitRetryAttempts) ||
!errors.Is(err, storage.ErrCopyObject) {
t.Errorf("Expected: %v", ErrExceededCommitRetryAttempts)
}
commitState, err = table.StateStore.Get()
if err != nil {
t.Fatalf("Failed to get commit state: %v", err)
}
if commitState.Version != 0 {
t.Errorf("After attempting to commit with object copying disabled: commitState.Version = %v, want %v",
commitState.Version, 0)
}
client.DisableObjectCopying = false
client.DisableObjectDeleting = true
store, err = s3store.New(client, uri)
if err != nil {
t.Fatalf("Failed to create S3 object store: %v", err)
}
table = NewTable(store, lock, state)
transaction = setupTransaction(t, table, NewTransactionOptions())
if _, err := transaction.Commit(); err != nil {
t.Errorf("Failed to commit version: %v", err)
}
commitState, err = table.StateStore.Get()
if err != nil {
t.Fatalf("Failed to get commit state: %v", err)
}
if commitState.Version != 1 {
t.Errorf("After attempting to commit with object deleting disabled: commitState.Version = %v, want %v",
commitState.Version, 1)
}
}
func TestDeltaTableCreate(t *testing.T) {
table, state, _ := setupTest(t)
//schema
firstFieldMetaData := make(map[string]any)
firstFieldMetaData["hasMetaData"] = true
fields := []SchemaField{
{Name: "first_column", Type: Integer, Nullable: true, Metadata: firstFieldMetaData},
{Name: "second_column", Type: String, Nullable: false, Metadata: map[string]any{}},
{Name: "third_field", Type: Boolean, Nullable: true, Metadata: map[string]any{}},
}
schema := SchemaTypeStruct{Fields: fields}
format := new(Format).Default()
config := make(map[string]string)
config[string(AppendOnlyDeltaConfigKey)] = "true"
metadata := NewTableMetaData("Test Table", "", format, schema, []string{}, config)
protocol := new(Protocol).Default()
add := Add{
Path: "part-00000-80a9bb40-ec43-43b6-bb8a-fc66ef7cd768-c000.snappy.parquet",
Size: 984,
ModificationTime: time.Now().UnixMilli(),
}
commitInfo := make(map[string]any)
commitInfo["test"] = 123
err := table.Create(*metadata, protocol, commitInfo, []Add{add})
if err != nil {
t.Error(err)
}
// operation := Write{Mode: Overwrite}
data, err := state.Get()
if err != nil {
t.Error(err)
}
if data.Version != 0 {
t.Errorf("Final Version in lock should be 0")
}
}
func TestDeltaTableExists(t *testing.T) {
table, state, tmpDir := setupTest(t)
tableExists, err := table.Exists()
if err != nil {
t.Error(err)
}
if tableExists {
t.Errorf("table should not exist")
}
metadata := NewTableMetaData("Test Table", "", new(Format).Default(), SchemaTypeStruct{}, []string{}, make(map[string]string))
err = table.Create(*metadata, Protocol{}, make(map[string]any), []Add{})
if err != nil {
t.Error(err)
}
tableExists, err = table.Exists()
if err != nil {
t.Error(err)
}
if !tableExists {
t.Errorf("table should exist")
}
// operation := Write{Mode: Overwrite}
data, err := state.Get()
if err != nil {
t.Error(err)
}
if data.Version != 0 {
t.Errorf("Final Version in lock should be 0")
}
// Create another version file
transaction := setupTransaction(t, table, NewTransactionOptions())
commit, err := transaction.prepareCommit()
if err != nil {
t.Error(err)
}
err = transaction.tryCommit(&commit)
if err != nil {
t.Error(err)
}
// Delete original version file
commitPath := filepath.Join(tmpDir, CommitURIFromVersion(0).Raw)
err = os.Remove(commitPath)
if err != nil {
t.Error(err)
}
// Exists() should still return true
tableExists, err = table.Exists()
if err != nil {
t.Error(err)
}
if !tableExists {
t.Errorf("table should exist")
}
// Move the new version file to a backup folder that starts with _delta_log
commitPath = filepath.Join(tmpDir, CommitURIFromVersion(1).Raw)
dirPath := filepath.Join(tmpDir, "_delta_log.bak")
if err := os.MkdirAll(dirPath, 0700); err != nil {
t.Errorf("Failed to create directory %s", dirPath)
}
fakeCommitPath := filepath.Join(tmpDir, "_delta_log.bak/00000000000000000000.json")
err = os.Rename(commitPath, fakeCommitPath)
if err != nil {
t.Error(err)
}
// Exists() should return false
tableExists, err = table.Exists()
if err != nil {
t.Error(err)
}
if tableExists {
t.Errorf("table should not exist")
}
// Test a checkpoint file
err = os.Rename(fakeCommitPath, filepath.Join(tmpDir, "_delta_log/00000000000000031000.checkpoint.0000000001.0000000003.parquet"))
if err != nil {
t.Error(err)
}
tableExists, err = table.Exists()
if err != nil {
t.Error(err)
}
if !tableExists {
t.Errorf("table should exist")
}
}
// Do a test with a lot of random files in the folder
func TestDeltaTableExistsManyTempFiles(t *testing.T) {
// Need pagination so use S3 mock client
baseURI := storage.NewPath("s3://test-bucket/test-delta-table")
mockClient, err := s3utils.NewMockClient(t, baseURI)
if err != nil {
t.Fatalf("Error occurred setting up for tests %e.", err)
}
mockClient.PaginateListResults = true
s3Store, err := s3store.New(mockClient, baseURI)
if err != nil {
t.Fatalf("Error occurred setting up for tests %e.", err)
}
tmpDir := os.TempDir()
tmpPath := storage.NewPath(tmpDir)
state := filestate.New(tmpPath, "_delta_log/_commit.state")
lock := filelock.New(tmpPath, "_delta_log/_commit.lock", filelock.Options{})
table := NewTable(s3Store, lock, state)
metadata := NewTableMetaData("Test Table", "", new(Format).Default(), SchemaTypeStruct{}, []string{}, make(map[string]string))
err = table.Create(*metadata, Protocol{}, make(map[string]any), []Add{})
if err != nil {
t.Error(err)
}
// Create another version file
transaction := setupTransaction(t, table, NewTransactionOptions())
commit, err := transaction.prepareCommit()
if err != nil {
t.Error(err)
}
err = transaction.tryCommit(&commit)
if err != nil {
t.Error(err)
}
// Delete original version file
err = s3Store.Delete(CommitURIFromVersion(0))
if err != nil {
t.Error(err)
}
tableExists, err := table.Exists()
if err != nil {
t.Error(err)
}
if !tableExists {
t.Errorf("table should exist")
}
for i := 0; i < 1100; i++ {
tempFilePath := storage.NewPath(fmt.Sprintf("_delta_log/.fake_optimize_%d", i))
if err := table.Store.Put(tempFilePath, []byte{}); err != nil {
t.Errorf("failed to add data to object at storage path %s", tempFilePath.Raw)
}
}
tableExists, err = table.Exists()
if err != nil {
t.Error(err)
}
if !tableExists {
t.Errorf("table should exist")
}
}
func TestDeltaTableTryCommitLoop(t *testing.T) {
table, _, _ := setupTest(t)
transaction := setupTransaction(t, table, NewTransactionOptions())
commit, err := transaction.prepareCommit()
if err != nil {
t.Error(err)
}
err = transaction.tryCommit(&commit)
if err != nil {
t.Error(err)
}
newCommit, err := transaction.prepareCommit()
if err != nil {
t.Error(err)
}
err = transaction.tryCommitLoop(&newCommit)
if err != nil {
t.Error(err)
}
}
func TestDeltaTableTryCommitLoopWithCommitExists(t *testing.T) {
table, _, tmpDir := setupTest(t)
if err := table.Create(TableMetaData{}, Protocol{}, CommitInfo{}, []Add{}); err != nil {
t.Errorf("Failed to create table: %v", err)
}
transaction := setupTransaction(t, table, TransactionOptions{MaxRetryCommitAttempts: 5, RetryWaitDuration: time.Second})
commit, err := transaction.prepareCommit()
if err != nil {
t.Error(err)
}
//commit_001.json
err = transaction.tryCommit(&commit)
if err != nil {
t.Error(err)
}
//Some other process writes commit 0002.json
fakeCommit2 := filepath.Join(tmpDir, CommitURIFromVersion(2).Raw)
if err := os.WriteFile(fakeCommit2, []byte("temp commit data"), 0700); err != nil {
t.Errorf("Failed to write data to file %s", fakeCommit2)
}
//Some other process writes commit 0003.json
fakeCommit3 := filepath.Join(tmpDir, CommitURIFromVersion(3).Raw)
if err := os.WriteFile(fakeCommit3, []byte("temp commit data"), 0700); err != nil {
t.Errorf("Failed to write data to file %s", fakeCommit3)
}
//create the next commit, should be 004.json after trying 003.json
newCommit, err := transaction.prepareCommit()
if err != nil {
t.Error(err)
}
//Should exceed attempt retry count
err = transaction.tryCommitLoop(&newCommit)
if err != nil {
t.Error(err)
}
if table.State.Version != 4 {
t.Errorf("want table.State.Version=4, has %d", table.State.Version)
}
commitState, _ := table.StateStore.Get()
if commitState.Version != 4 {
t.Errorf("want table.State.Version=4, has %d", table.State.Version)
}
if !fileExists(filepath.Join(tmpDir, CommitURIFromVersion(4).Raw)) {
t.Errorf("File %s should exist", CommitURIFromVersion(4).Raw)
}
}
func TestDeltaTableTryCommitLoopStateStoreOutOfSync(t *testing.T) {
table, _, tmpDir := setupTest(t)
if err := table.Create(TableMetaData{}, Protocol{}, CommitInfo{}, []Add{}); err != nil {
t.Errorf("Failed to create table: %v", err)
}
transaction := setupTransaction(t, table, TransactionOptions{
MaxRetryCommitAttempts: 5, //Should break on max attempts if the latest version logic fails
RetryWaitDuration: time.Second,
RetryCommitAttemptsBeforeLoadingTable: 2, //Should get the latest version after 2 attempts
})
for i := 1; i < 10; i++ {
commit, err := transaction.prepareCommit()
if err != nil {
t.Error(err)
}
//commit_001.json
err = transaction.tryCommit(&commit)
if err != nil {
t.Error(err)
}
}
// Write 0 to state
commitState, _ := table.StateStore.Get()
commitState.Version = 0
if err := table.StateStore.Put(commitState); err != nil {
t.Errorf("Failed to put commit state in state store: %v", err)
}
table.State.Version = 0
//create the next commit, should be 010.json after finding that 000.json exists and loading the tabel state
newCommit, err := transaction.prepareCommit()
if err != nil {
t.Error(err)
}
//Should exceed attempt retry count
err = transaction.tryCommitLoop(&newCommit)
if err != nil {
t.Error(err)
}
if table.State.Version != 10 {
t.Errorf("want table.State.Version=4, has %d", table.State.Version)
}
commitState, _ = table.StateStore.Get()
if commitState.Version != 10 {
t.Errorf("want table.State.Version=10, has %d", table.State.Version)
}
if !fileExists(filepath.Join(tmpDir, CommitURIFromVersion(10).Raw)) {
t.Errorf("File %s should exist", CommitURIFromVersion(10).Raw)
}
// Test SyncStateStore by putting the state store out of sync
commitState.Version = 2
if err := table.StateStore.Put(commitState); err != nil {
t.Errorf("Failed to put commit state in state store: %v", err)
}
if err := table.syncStateStore(); err != nil {
t.Errorf("Failed to sync state store: %v", err)
}
commitState, _ = table.StateStore.Get()
if commitState.Version != 10 {
t.Errorf("want table.State.Version=10, has %d", table.State.Version)
}
}
func TestCommitConcurrent(t *testing.T) {
// log.SetLevel(log.DebugLevel)
table, state, tmpDir := setupTest(t)
metadata := NewTableMetaData("Test Table", "", new(Format).Default(), SchemaTypeStruct{}, []string{}, make(map[string]string))
err := table.Create(*metadata, Protocol{}, CommitInfo{}, []Add{})
if err != nil {
t.Error(err)
}
numLocks := int32(0)
numThreads := 100
wg := new(sync.WaitGroup)
errs := make(chan error, numThreads)
for i := 0; i < numThreads; i++ {
wg.Add(1)
go func() {
defer wg.Done()
wait := rand.Int63n(int64(10 * time.Millisecond))
time.Sleep(time.Duration(wait))
store := filestore.New(storage.NewPath(tmpDir))
state := filestate.New(storage.NewPath(tmpDir), "_delta_log/_commit.state")
lock := filelock.New(storage.NewPath(tmpDir), "_delta_log/_commit.lock", filelock.Options{Block: true})
//Lock needs to be instantiated for each worker because it is passed by reference, so if it is not created different instances of tables would share the same lock
table := NewTable(store, lock, state)
transaction := setupTransaction(t, table, NewTransactionOptions())
_, err := transaction.Commit()
if err != nil {
errs <- err
} else {
atomic.AddInt32(&numLocks, 1)
}
}()
}
wg.Wait()
close(errs)
for err := range errs {
t.Error(err)
}
if exp, got := 100, int(numLocks); exp != got {
t.Fatalf("expected %v, got %v", exp, got)
}
commitState, err := state.Get()
for err != nil {
t.Error(err)
}
if commitState.Version != 100 {
t.Errorf("Final Version in lock should be 100")
}
lastCommitFile := filepath.Join(tmpDir, CommitURIFromVersion(100).Raw)
if !fileExists(lastCommitFile) {
t.Errorf("File should exist")
}
}
func TestCommitConcurrentWithParquet(t *testing.T) {
table, state, tmpDir := setupTest(t)
// First write
fileName := fmt.Sprintf("part-%s.snappy.parquet", uuid.New().String())
filePath := filepath.Join(tmpDir, fileName)
//Make some data
data := makeTestData(5)
stats := makeTestDataStats(data)
schema := data[0].getSchema()
p, err := writeParquet(data, filePath)
if err != nil {
t.Error(err)
}
statsJSON, err := stats.JSON()
if err != nil {
t.Error(err)
}
add := Add{
Path: fileName,
Size: p.Size,
DataChange: true,
ModificationTime: time.Now().UnixMilli(),
Stats: string(statsJSON),
PartitionValues: make(map[string]string),
}
metadata := NewTableMetaData("Test Table", "test description", new(Format).Default(), schema, []string{}, make(map[string]string))
err = table.Create(*metadata, new(Protocol).Default(), CommitInfo{}, []Add{add})
if err != nil {
t.Error(err)
}
numLocks := int32(0)
numThreads := 100
wg := new(sync.WaitGroup)
errs := make(chan error, numThreads)
for i := 0; i < numThreads; i++ {
wg.Add(1)
go func() {
defer wg.Done()
wait := rand.Int63n(int64(10 * time.Millisecond))
time.Sleep(time.Duration(wait))
store := filestore.New(storage.NewPath(tmpDir))
state := filestate.New(storage.NewPath(tmpDir), "_delta_log/_commit.state")
lock := filelock.New(storage.NewPath(tmpDir), "_delta_log/_commit.lock", filelock.Options{Block: true})
//Lock needs to be instantiated for each worker because it is passed by reference, so if it is not created different instances of tables would share the same lock
table := NewTable(store, lock, state)
transaction := table.CreateTransaction(NewTransactionOptions())
//Make some data
data := makeTestData(rand.Intn(50))
stats := makeTestDataStats(data)
fileName := fmt.Sprintf("part-%s.snappy.parquet", uuid.New().String())
filePath := filepath.Join(tmpDir, fileName)
p, err := writeParquet(data, filePath)
if err != nil {
t.Error(err)
}
statsJSON, err := stats.JSON()
if err != nil {
t.Error(err)
}
add := Add{
Path: fileName,
Size: p.Size,
DataChange: true,