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table_test.go
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table_test.go
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package frostdb
import (
"bytes"
"context"
"fmt"
"io"
"math/rand"
"runtime"
"sync"
"sync/atomic"
"testing"
"time"
"github.com/apache/arrow/go/v14/arrow"
"github.com/apache/arrow/go/v14/arrow/array"
"github.com/apache/arrow/go/v14/arrow/memory"
"github.com/apache/arrow/go/v14/arrow/util"
"github.com/go-kit/log"
"github.com/go-kit/log/level"
"github.com/google/uuid"
"github.com/parquet-go/parquet-go"
"github.com/stretchr/testify/require"
"github.com/polarsignals/frostdb/dynparquet"
schemapb "github.com/polarsignals/frostdb/gen/proto/go/frostdb/schema/v1alpha1"
"github.com/polarsignals/frostdb/index"
"github.com/polarsignals/frostdb/pqarrow"
"github.com/polarsignals/frostdb/query"
"github.com/polarsignals/frostdb/query/logicalplan"
)
type TestLogHelper interface {
Helper()
Log(args ...any)
}
type testOutput struct {
t TestLogHelper
}
func (l *testOutput) Write(p []byte) (n int, err error) {
l.t.Helper()
l.t.Log(string(p))
return len(p), nil
}
func newTestLogger(t TestLogHelper) log.Logger {
t.Helper()
logger := log.NewLogfmtLogger(log.NewSyncWriter(&testOutput{t: t}))
logger = level.NewFilter(logger, level.AllowDebug())
return logger
}
func basicTable(t *testing.T, options ...Option) (*ColumnStore, *Table) {
config := NewTableConfig(
dynparquet.SampleDefinition(),
)
logger := newTestLogger(t)
c, err := New(
append([]Option{WithLogger(logger)}, options...)...,
)
require.NoError(t, err)
db, err := c.DB(context.Background(), "test")
require.NoError(t, err)
table, err := db.Table("test", config)
require.NoError(t, err)
return c, table
}
// This test issues concurrent writes to the database, and expects all of them to be recorded successfully.
func Test_Table_Concurrency(t *testing.T) {
tests := map[string]struct {
granuleSize int64
}{
"25MB": {25 * 1024 * 1024},
"15MB": {15 * 1024 * 1024},
"8MB": {8 * 1024 * 1024},
"1MB": {1024 * 1024},
}
for name, test := range tests {
t.Run(name, func(t *testing.T) {
c, table := basicTable(t, WithGranuleSizeBytes(test.granuleSize))
defer c.Close()
generateRows := func(n int) arrow.Record {
rows := make(dynparquet.Samples, 0, n)
for i := 0; i < n; i++ {
rows = append(rows, dynparquet.Sample{
Labels: map[string]string{ // TODO would be nice to not have all the same column
"label1": "value1",
"label2": "value2",
},
Stacktrace: []uuid.UUID{
{0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1},
{0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2},
},
Timestamp: rand.Int63(),
Value: rand.Int63(),
})
}
r, err := rows.ToRecord()
require.NoError(t, err)
return r
}
// Spawn n workers that will insert values into the table
maxTxID := &atomic.Uint64{}
n := 8
inserts := 100
rows := 10
wg := &sync.WaitGroup{}
ctx := context.Background()
for i := 0; i < n; i++ {
wg.Add(1)
go func() {
defer wg.Done()
for i := 0; i < inserts; i++ {
tx, err := table.InsertRecord(ctx, generateRows(rows))
if err != nil {
fmt.Println("Received error on insert: ", err)
}
// Set the max tx id that we've seen
if maxTX := maxTxID.Load(); tx > maxTX {
maxTxID.CompareAndSwap(maxTX, tx)
}
}
}()
}
// Wait for all our writes to exit
wg.Wait()
// Wait for our last tx to be marked as complete
table.db.Wait(maxTxID.Load())
pool := memory.NewGoAllocator()
err := table.View(ctx, func(ctx context.Context, tx uint64) error {
totalrows := int64(0)
err := table.Iterator(
ctx,
tx,
pool,
[]logicalplan.Callback{func(ctx context.Context, ar arrow.Record) error {
totalrows += ar.NumRows()
return nil
}},
)
require.NoError(t, err)
require.Equal(t, int64(n*inserts*rows), totalrows)
return nil
})
require.NoError(t, err)
})
}
}
func Benchmark_Table_Insert_1000Rows_10Iters_10Writers(b *testing.B) {
benchmarkTableInserts(b, 1000, 10, 10)
}
func Benchmark_Table_Insert_100Rows_1000Iters_1Writers(b *testing.B) {
benchmarkTableInserts(b, 100, 1000, 1)
}
func Benchmark_Table_Insert_100Rows_100Iters_100Writers(b *testing.B) {
benchmarkTableInserts(b, 100, 100, 100)
}
func benchmarkTableInserts(b *testing.B, rows, iterations, writers int) {
var (
def = dynparquet.SampleDefinition()
ctx = context.Background()
config = NewTableConfig(def)
)
c, err := New(
WithLogger(log.NewNopLogger()),
WithWAL(),
WithStoragePath(b.TempDir()),
)
require.NoError(b, err)
defer c.Close()
db, err := c.DB(context.Background(), "test")
require.NoError(b, err)
ts := &atomic.Int64{}
generateRows := func(id string, n int) arrow.Record {
rows := make(dynparquet.Samples, 0, n)
for i := 0; i < n; i++ {
rows = append(rows, dynparquet.Sample{
Labels: map[string]string{ // TODO would be nice to not have all the same column
"label1": id,
"label2": "value2",
},
Stacktrace: []uuid.UUID{
{0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1},
{0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2},
},
Timestamp: ts.Add(1),
Value: int64(i),
})
}
r, err := rows.ToRecord()
require.NoError(b, err)
return r
}
// Pre-generate all rows we're inserting
inserts := make(map[string][]arrow.Record, writers)
for i := 0; i < writers; i++ {
id := uuid.New().String()
inserts[id] = make([]arrow.Record, iterations)
for j := 0; j < iterations; j++ {
inserts[id][j] = generateRows(id, rows)
}
}
// Run GC now so it doesn't interfere with our benchmark.
runtime.GC()
b.ResetTimer()
for i := 0; i < b.N; i++ {
// Create table for test
table, err := db.Table(uuid.New().String(), config)
require.NoError(b, err)
// Spawn n workers that will insert values into the table
wg := &sync.WaitGroup{}
for id := range inserts {
wg.Add(1)
go func(id string, tbl *Table, w *sync.WaitGroup) {
defer w.Done()
var (
maxTx uint64
err error
)
for i := 0; i < iterations; i++ {
if maxTx, err = tbl.InsertRecord(ctx, inserts[id][i]); err != nil {
fmt.Println("Received error on insert: ", err)
}
}
db.Wait(maxTx)
}(id, table, wg)
}
wg.Wait()
b.StopTimer()
pool := memory.NewGoAllocator()
require.NoError(b, table.EnsureCompaction())
// Calculate the number of entries in database
totalrows := int64(0)
err = table.View(ctx, func(ctx context.Context, tx uint64) error {
return table.Iterator(
ctx,
tx,
pool,
[]logicalplan.Callback{func(ctx context.Context, ar arrow.Record) error {
defer ar.Release()
totalrows += ar.NumRows()
return nil
}},
)
})
require.NoError(b, err)
require.Equal(b, int64(rows*iterations*writers), totalrows)
b.StartTimer()
}
}
func Test_Table_ReadIsolation(t *testing.T) {
c, table := basicTable(t)
defer c.Close()
samples := dynparquet.Samples{{
Labels: map[string]string{
"label1": "value1",
"label2": "value2",
},
Stacktrace: []uuid.UUID{
{0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1},
{0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2},
},
Timestamp: 1,
Value: 1,
}, {
Labels: map[string]string{
"label1": "value2",
"label2": "value2",
"label3": "value3",
},
Stacktrace: []uuid.UUID{
{0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1},
{0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2},
},
Timestamp: 2,
Value: 2,
}, {
Labels: map[string]string{
"label1": "value3",
"label2": "value2",
"label4": "value4",
},
Stacktrace: []uuid.UUID{
{0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1},
{0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2},
},
Timestamp: 3,
Value: 3,
}}
r, err := samples.ToRecord()
require.NoError(t, err)
ctx := context.Background()
_, err = table.InsertRecord(ctx, r)
require.NoError(t, err)
// Perform a new insert that will have a higher tx id
samples = dynparquet.Samples{{
Labels: map[string]string{
"blarg": "blarg",
"blah": "blah",
},
Stacktrace: []uuid.UUID{
{0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1},
{0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2},
},
Timestamp: 1,
Value: 1,
}}
r, err = samples.ToRecord()
require.NoError(t, err)
tx, err := table.InsertRecord(ctx, r)
require.NoError(t, err)
table.db.Wait(tx)
// Now we cheat and reset our tx and watermark
table.db.tx.Store(2)
table.db.highWatermark.Store(2)
pool := memory.NewGoAllocator()
err = table.View(ctx, func(ctx context.Context, tx uint64) error {
rows := int64(0)
err = table.Iterator(
ctx,
tx,
pool,
[]logicalplan.Callback{func(ctx context.Context, ar arrow.Record) error {
rows += ar.NumRows()
return nil
}},
)
require.NoError(t, err)
require.Equal(t, int64(3), rows)
return nil
})
require.NoError(t, err)
// Now set the tx back to what it was, and perform the same read, we should return all 4 rows
table.db.tx.Store(3)
table.db.highWatermark.Store(3)
err = table.View(ctx, func(ctx context.Context, tx uint64) error {
rows := int64(0)
err = table.Iterator(
ctx,
table.db.highWatermark.Load(),
pool,
[]logicalplan.Callback{func(ctx context.Context, ar arrow.Record) error {
rows += ar.NumRows()
return nil
}},
)
require.NoError(t, err)
require.Equal(t, int64(4), rows)
return nil
})
require.NoError(t, err)
}
func Test_Table_NewTableValidIndexDegree(t *testing.T) {
config := NewTableConfig(dynparquet.SampleDefinition())
c, err := New(
WithLogger(newTestLogger(t)),
WithIndexDegree(-1),
)
require.NoError(t, err)
defer c.Close()
db, err := c.DB(context.Background(), "test")
require.NoError(t, err)
_, err = db.Table("test", config)
require.Error(t, err)
require.Equal(t, err.Error(), "failed to create table: Table's columnStore index degree must be a positive integer (received -1)")
}
func Test_Table_NewTableValidSplitSize(t *testing.T) {
config := NewTableConfig(
dynparquet.SampleDefinition(),
)
logger := newTestLogger(t)
c, err := New(WithLogger(logger), WithSplitSize(1))
require.NoError(t, err)
defer c.Close()
db, err := c.DB(context.Background(), "test")
require.NoError(t, err)
_, err = db.Table("test", config)
require.Error(t, err)
require.Equal(t, err.Error(), "failed to create table: Table's columnStore splitSize must be a positive integer > 1 (received 1)")
c, err = New(WithLogger(logger), WithSplitSize(-1))
require.NoError(t, err)
defer c.Close()
db, err = c.DB(context.Background(), "test")
require.NoError(t, err)
_, err = db.Table("test", NewTableConfig(dynparquet.SampleDefinition()))
require.Error(t, err)
require.Equal(t, err.Error(), "failed to create table: Table's columnStore splitSize must be a positive integer > 1 (received -1)")
c, err = New(WithLogger(logger), WithSplitSize(2))
require.NoError(t, err)
defer c.Close()
db, err = c.DB(context.Background(), "test")
require.NoError(t, err)
_, err = db.Table("test", NewTableConfig(dynparquet.SampleDefinition()))
require.NoError(t, err)
}
func Test_Table_Bloomfilter(t *testing.T) {
c, table := basicTable(t, WithIndexConfig(
[]*IndexConfig{
{Level: int(index.L0), MaxSize: 452, Type: CompactionTypeParquet}, // NOTE: 452 is the current size of the 3 records that are inserted
{Level: int(index.L1), MaxSize: 100000},
},
))
defer c.Close()
samples := dynparquet.Samples{{
ExampleType: "test",
Labels: map[string]string{
"label1": "value1",
"label2": "value2",
},
Stacktrace: []uuid.UUID{
{0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1},
{0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2},
},
Timestamp: 1,
Value: 1,
}, {
ExampleType: "test",
Labels: map[string]string{
"label1": "value2",
"label2": "value2",
"label3": "value3",
},
Stacktrace: []uuid.UUID{
{0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1},
{0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2},
},
Timestamp: 2,
Value: 2,
}, {
ExampleType: "test",
Labels: map[string]string{
"label1": "value3",
"label2": "value2",
"label4": "value4",
},
Stacktrace: []uuid.UUID{
{0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1},
{0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2},
},
Timestamp: 3,
Value: 3,
}}
for i := range samples {
r, err := samples[i : i+1].ToRecord()
require.NoError(t, err)
ctx := context.Background()
_, err = table.InsertRecord(ctx, r)
require.NoError(t, err)
}
require.NoError(t, table.EnsureCompaction())
require.Eventually(t, func() bool {
iterations := 0
err := table.View(context.Background(), func(ctx context.Context, tx uint64) error {
pool := memory.NewGoAllocator()
require.NoError(t, table.Iterator(
context.Background(),
tx,
pool,
[]logicalplan.Callback{func(ctx context.Context, ar arrow.Record) error {
iterations++
return nil
}},
logicalplan.WithFilter(logicalplan.Col("labels.label4").Eq(logicalplan.Literal("value4"))),
))
return nil
})
require.NoError(t, err)
return iterations == 1
}, time.Millisecond*60, time.Millisecond*10)
}
func Test_RecordToRow(t *testing.T) {
schema := arrow.NewSchema([]arrow.Field{
{
Name: "labels.label1",
Type: &arrow.StringType{},
Nullable: true,
},
{
Name: "labels.label2",
Type: &arrow.StringType{},
Nullable: true,
},
{
Name: "timestamp",
Type: &arrow.Int64Type{},
},
{
Name: "value",
Type: &arrow.Int64Type{},
},
}, nil)
bld := array.NewRecordBuilder(memory.NewGoAllocator(), schema)
t.Cleanup(bld.Release)
bld.Field(0).(*array.StringBuilder).Append("hello")
bld.Field(1).(*array.StringBuilder).Append("world")
bld.Field(2).(*array.Int64Builder).Append(10)
bld.Field(3).(*array.Int64Builder).Append(20)
record := bld.NewRecord()
dynschema := dynparquet.NewSampleSchema()
ps, err := dynschema.GetDynamicParquetSchema(pqarrow.RecordDynamicCols(record))
require.NoError(t, err)
defer dynschema.PutPooledParquetSchema(ps)
row, err := pqarrow.RecordToRow(dynschema, ps.Schema, record, 0)
require.NoError(t, err)
require.Equal(t, "[<null> hello world <null> 10 20]", fmt.Sprintf("%v", row))
}
func Test_L0Query(t *testing.T) {
c, table := basicTable(t)
t.Cleanup(func() { c.Close() })
samples := dynparquet.Samples{{
ExampleType: "test",
Labels: map[string]string{
"label1": "value1",
"label2": "value2",
},
Stacktrace: []uuid.UUID{
{0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1},
{0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2},
},
Timestamp: 1,
Value: 1,
}, {
ExampleType: "test",
Labels: map[string]string{
"label1": "value2",
"label2": "value2",
"label3": "value3",
},
Stacktrace: []uuid.UUID{
{0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1},
{0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2},
},
Timestamp: 2,
Value: 2,
}, {
ExampleType: "test",
Labels: map[string]string{
"label1": "value3",
"label2": "value2",
"label4": "value4",
},
Stacktrace: []uuid.UUID{
{0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1},
{0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2},
},
Timestamp: 3,
Value: 3,
}}
r, err := samples.ToRecord()
require.NoError(t, err)
ctx := context.Background()
_, err = table.InsertRecord(ctx, r)
require.NoError(t, err)
pool := memory.NewGoAllocator()
records := 0
err = table.View(ctx, func(ctx context.Context, tx uint64) error {
err = table.Iterator(
ctx,
tx,
pool,
[]logicalplan.Callback{func(ctx context.Context, ar arrow.Record) error {
records++
require.Equal(t, int64(3), ar.NumRows())
require.Equal(t, int64(8), ar.NumCols())
return nil
}},
)
require.NoError(t, err)
return nil
})
require.NoError(t, err)
require.Equal(t, 1, records)
}
func Test_Serialize_DisparateDynamicColumns(t *testing.T) {
c, table := basicTable(t)
defer c.Close()
samples := dynparquet.Samples{{
ExampleType: "test",
Labels: map[string]string{
"label1": "value1",
"label2": "value2",
},
Stacktrace: []uuid.UUID{
{0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1},
{0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2},
},
Timestamp: 1,
Value: 1,
}, {
ExampleType: "test",
Labels: map[string]string{
"label1": "value2",
"label2": "value2",
"label3": "value3",
},
Stacktrace: []uuid.UUID{
{0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1},
{0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2},
},
Timestamp: 2,
Value: 2,
}, {
ExampleType: "test",
Labels: map[string]string{
"label1": "value3",
"label2": "value2",
"label4": "value4",
},
Stacktrace: []uuid.UUID{
{0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1},
{0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2},
},
Timestamp: 3,
Value: 3,
}}
r, err := samples.ToRecord()
require.NoError(t, err)
ctx := context.Background()
_, err = table.InsertRecord(ctx, r)
require.NoError(t, err)
samples = dynparquet.Samples{{
ExampleType: "test",
Labels: map[string]string{
"label100": "a",
},
Stacktrace: []uuid.UUID{
{0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1},
{0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2},
},
Timestamp: 2,
Value: 2,
}}
r, err = samples.ToRecord()
require.NoError(t, err)
_, err = table.InsertRecord(ctx, r)
require.NoError(t, err)
// Serialize the table
require.NoError(t, table.active.Serialize(io.Discard))
}
func Test_RowWriter(t *testing.T) {
config := NewTableConfig(
dynparquet.SampleDefinition(),
WithRowGroupSize(5),
)
logger := newTestLogger(t)
c, err := New(WithLogger(logger))
require.NoError(t, err)
db, err := c.DB(context.Background(), "test")
require.NoError(t, err)
table, err := db.Table("test", config)
require.NoError(t, err)
defer c.Close()
b := &bytes.Buffer{}
pw, err := table.schema.GetWriter(b, map[string][]string{
"labels": {"node"},
}, false)
defer table.schema.PutWriter(pw)
require.NoError(t, err)
rowWriter, err := table.ActiveBlock().rowWriter(pw)
require.NoError(t, err)
// Write 17(8,9) rows, expect 3 row groups of 5 rows and 1 row group of 2 rows
samples := dynparquet.GenerateTestSamples(8)
buf, err := samples.ToBuffer(table.Schema())
require.NoError(t, err)
rows := buf.Rows()
_, err = rowWriter.writeRows(rows)
require.NoError(t, err)
require.NoError(t, rows.Close())
samples = dynparquet.GenerateTestSamples(9)
buf, err = samples.ToBuffer(table.Schema())
require.NoError(t, err)
rows = buf.Rows()
_, err = rowWriter.writeRows(rows)
require.NoError(t, err)
require.NoError(t, rows.Close())
require.NoError(t, rowWriter.close())
f, err := parquet.OpenFile(bytes.NewReader(b.Bytes()), int64(b.Len()))
require.NoError(t, err)
require.Equal(t, 4, len(f.Metadata().RowGroups))
for i, rg := range f.Metadata().RowGroups {
switch i {
case 3:
require.Equal(t, int64(2), rg.NumRows)
default:
require.Equal(t, int64(5), rg.NumRows)
}
}
}
// Test_Table_Size ensures the size of the table increases by the size of the inserted data.
func Test_Table_Size(t *testing.T) {
c, table := basicTable(t)
defer c.Close()
before := table.ActiveBlock().Size()
samples := dynparquet.NewTestSamples()
rec, err := samples.ToRecord()
require.NoError(t, err)
ctx := context.Background()
_, err = table.InsertRecord(ctx, rec)
require.NoError(t, err)
after := table.ActiveBlock().Size()
require.Equal(t, util.TotalRecordSize(rec), after-before)
}
func Test_Insert_Repeated(t *testing.T) {
schema := &schemapb.Schema{
Name: "repeated",
Columns: []*schemapb.Column{{
Name: "name",
StorageLayout: &schemapb.StorageLayout{
Type: schemapb.StorageLayout_TYPE_STRING,
Encoding: schemapb.StorageLayout_ENCODING_RLE_DICTIONARY,
},
}, {
Name: "values",
StorageLayout: &schemapb.StorageLayout{
Type: schemapb.StorageLayout_TYPE_STRING,
Encoding: schemapb.StorageLayout_ENCODING_RLE_DICTIONARY,
Repeated: true,
},
}, {
Name: "value",
StorageLayout: &schemapb.StorageLayout{
Type: schemapb.StorageLayout_TYPE_INT64,
},
}},
SortingColumns: []*schemapb.SortingColumn{{
Name: "name",
Direction: schemapb.SortingColumn_DIRECTION_ASCENDING,
}},
}
config := NewTableConfig(schema)
logger := newTestLogger(t)
tests := map[string]struct {
nilBeg bool
nilMiddle bool
nilEnd bool
}{
"beginning": {true, false, false},
"middle": {false, true, false},
"end": {false, false, true},
}
for name, test := range tests {
t.Run(name, func(t *testing.T) {
c, err := New(WithLogger(logger))
require.NoError(t, err)
t.Cleanup(func() {
c.Close()
})
db, err := c.DB(context.Background(), "test")
require.NoError(t, err)
table, err := db.Table("test", config)
require.NoError(t, err)
buffer, err := table.Schema().GetBuffer(nil)
require.NoError(t, err)
var row parquet.Row
if test.nilBeg {
row = nil
row = append(row, parquet.ValueOf("foo").Level(0, 0, 0))
row = append(row, parquet.ValueOf(4).Level(0, 0, 1))
row = append(row, parquet.ValueOf(nil).Level(0, 0, 2))
_, err = buffer.WriteRows([]parquet.Row{row})
require.NoError(t, err)
}
row = nil
row = append(row, parquet.ValueOf("foo2").Level(0, 0, 0))
row = append(row, parquet.ValueOf(3).Level(0, 0, 1))
row = append(row, parquet.ValueOf("bar").Level(0, 1, 2))
row = append(row, parquet.ValueOf("baz").Level(1, 1, 2))
_, err = buffer.WriteRows([]parquet.Row{row})
require.NoError(t, err)
if test.nilMiddle {
row = nil
row = append(row, parquet.ValueOf("foo").Level(0, 0, 0))
row = append(row, parquet.ValueOf(4).Level(0, 0, 1))
row = append(row, parquet.ValueOf(nil).Level(0, 0, 2))
_, err = buffer.WriteRows([]parquet.Row{row})
require.NoError(t, err)
}
row = nil
row = append(row, parquet.ValueOf("foo3").Level(0, 0, 0))
row = append(row, parquet.ValueOf(6).Level(0, 0, 1))
row = append(row, parquet.ValueOf("bar").Level(0, 1, 2))
row = append(row, parquet.ValueOf("baz").Level(1, 1, 2))
_, err = buffer.WriteRows([]parquet.Row{row})
require.NoError(t, err)
if test.nilEnd {
row = nil
row = append(row, parquet.ValueOf("foo").Level(0, 0, 0))
row = append(row, parquet.ValueOf(4).Level(0, 0, 1))
row = append(row, parquet.ValueOf(nil).Level(0, 0, 2))
_, err = buffer.WriteRows([]parquet.Row{row})
require.NoError(t, err)
}
ctx := context.Background()
// Test insertion as record
converter := pqarrow.NewParquetConverter(memory.NewGoAllocator(), logicalplan.IterOptions{})
defer converter.Close()
require.NoError(t, converter.Convert(ctx, buffer))
record := converter.NewRecord()
defer record.Release()
_, err = table.InsertRecord(ctx, record)
require.NoError(t, err)
err = table.View(ctx, func(ctx context.Context, tx uint64) error {
err = table.Iterator(
ctx,
tx,
memory.NewGoAllocator(),
[]logicalplan.Callback{func(ctx context.Context, ar arrow.Record) error {
require.Equal(t, int64(3), ar.NumRows())
require.Equal(t, int64(3), ar.NumCols())
return nil
}},
)
require.NoError(t, err)
return nil
})
engine := query.NewEngine(memory.NewGoAllocator(), db.TableProvider())
err = engine.ScanTable("test").
Aggregate(
[]logicalplan.Expr{logicalplan.Sum(logicalplan.Col("value"))},
[]logicalplan.Expr{logicalplan.Col("values")},
).
Execute(context.Background(), func(ctx context.Context, r arrow.Record) error {
require.Equal(t, int64(2), r.NumRows())
require.Equal(t, int64(2), r.NumCols())
return nil
})
require.NoError(t, err)
})
}
}
func Test_Compact_Repeated(t *testing.T) {
schema := &schemapb.Schema{
Name: "repeated",
Columns: []*schemapb.Column{{
Name: "name",
StorageLayout: &schemapb.StorageLayout{
Type: schemapb.StorageLayout_TYPE_STRING,
Encoding: schemapb.StorageLayout_ENCODING_RLE_DICTIONARY,
},
}, {
Name: "values",
StorageLayout: &schemapb.StorageLayout{
Type: schemapb.StorageLayout_TYPE_STRING,
Encoding: schemapb.StorageLayout_ENCODING_RLE_DICTIONARY,
Repeated: true,
},
}, {
Name: "value",
StorageLayout: &schemapb.StorageLayout{
Type: schemapb.StorageLayout_TYPE_INT64,
},
}},
SortingColumns: []*schemapb.SortingColumn{{
Name: "name",
Direction: schemapb.SortingColumn_DIRECTION_ASCENDING,
}},
}
config := NewTableConfig(schema)
logger := newTestLogger(t)
c, err := New(
WithLogger(logger),
WithGranuleSizeBytes(10), // NOTE: set small granule size to force compaction
)
require.NoError(t, err)
t.Cleanup(func() {
c.Close()
})
db, err := c.DB(context.Background(), "test")
require.NoError(t, err)
table, err := db.Table("test", config)
require.NoError(t, err)
buffer, err := table.Schema().GetBuffer(nil)
require.NoError(t, err)
var row parquet.Row
row = nil
row = append(row, parquet.ValueOf("foo").Level(0, 0, 0))
row = append(row, parquet.ValueOf(4).Level(0, 0, 1))
row = append(row, parquet.ValueOf(nil).Level(0, 0, 2))
_, err = buffer.WriteRows([]parquet.Row{row})
require.NoError(t, err)
row = nil