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using consts; avoid test data in production binary

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This commit is contained in:
chrislu
2025-09-04 18:15:14 -07:00
parent 9b1919a8eb
commit 9f4d4e4559
10 changed files with 435 additions and 223 deletions
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52
weed/query/engine/catalog.go
View File

@@ -288,55 +288,3 @@ func (c *SchemaCatalog) GetDefaultPartitionCount() int32 {
defer c.mu.RUnlock()
return c.defaultPartitionCount
}
// initSampleData populates the catalog with sample schema data for testing
func (c *SchemaCatalog) initSampleData() {
// Create sample databases and tables
c.databases["default"] = &DatabaseInfo{
Name: "default",
Tables: map[string]*TableInfo{
"user_events": {
Name: "user_events",
Columns: []ColumnInfo{
{Name: "user_id", Type: "VARCHAR(100)", Nullable: true},
{Name: "event_type", Type: "VARCHAR(50)", Nullable: true},
{Name: "data", Type: "TEXT", Nullable: true},
// System columns - hidden by default in SELECT *
{Name: "_timestamp_ns", Type: "BIGINT", Nullable: false},
{Name: "_key", Type: "VARCHAR(255)", Nullable: true},
{Name: "_source", Type: "VARCHAR(50)", Nullable: false},
},
},
"system_logs": {
Name: "system_logs",
Columns: []ColumnInfo{
{Name: "level", Type: "VARCHAR(10)", Nullable: true},
{Name: "message", Type: "TEXT", Nullable: true},
{Name: "service", Type: "VARCHAR(50)", Nullable: true},
// System columns
{Name: "_timestamp_ns", Type: "BIGINT", Nullable: false},
{Name: "_key", Type: "VARCHAR(255)", Nullable: true},
{Name: "_source", Type: "VARCHAR(50)", Nullable: false},
},
},
},
}
c.databases["test"] = &DatabaseInfo{
Name: "test",
Tables: map[string]*TableInfo{
"test-topic": {
Name: "test-topic",
Columns: []ColumnInfo{
{Name: "id", Type: "INT", Nullable: true},
{Name: "name", Type: "VARCHAR(100)", Nullable: true},
{Name: "value", Type: "DOUBLE", Nullable: true},
// System columns
{Name: "_timestamp_ns", Type: "BIGINT", Nullable: false},
{Name: "_key", Type: "VARCHAR(255)", Nullable: true},
{Name: "_source", Type: "VARCHAR(50)", Nullable: false},
},
},
},
}
}

104
weed/query/engine/engine.go
View File

@@ -1554,8 +1554,14 @@ func (e *SQLEngine) executeSelectStatement(ctx context.Context, stmt *SelectStat
// Convert to SQL result format
if selectAll {
columns = nil // Let converter determine all columns
return hybridScanner.ConvertToSQLResult(results, columns), nil
if len(columns) > 0 {
// SELECT *, specific_columns - include both auto-discovered and explicit columns
return hybridScanner.ConvertToSQLResultWithMixedColumns(results, columns), nil
} else {
// SELECT * only - let converter determine all columns (excludes system columns)
columns = nil
return hybridScanner.ConvertToSQLResult(results, columns), nil
}
}
// Handle custom column expressions (including arithmetic)
@@ -1782,8 +1788,14 @@ func (e *SQLEngine) executeSelectStatementWithBrokerStats(ctx context.Context, s
// Convert to SQL result format
if selectAll {
columns = nil // Let converter determine all columns
return hybridScanner.ConvertToSQLResult(results, columns), nil
if len(columns) > 0 {
// SELECT *, specific_columns - include both auto-discovered and explicit columns
return hybridScanner.ConvertToSQLResultWithMixedColumns(results, columns), nil
} else {
// SELECT * only - let converter determine all columns (excludes system columns)
columns = nil
return hybridScanner.ConvertToSQLResult(results, columns), nil
}
}
// Handle custom column expressions (including arithmetic)
@@ -1881,33 +1893,75 @@ func (e *SQLEngine) extractTimeFromComparison(comp *ComparisonExpr, startTimeNs,
}
}
// isTimeColumn checks if a column name refers to a timestamp field
// isTimeColumn checks if a column refers to a timestamp field based on actual type information
// This function uses schema metadata, not naming conventions
func (e *SQLEngine) isTimeColumn(columnName string) bool {
if columnName == "" {
return false
}
// System timestamp columns
timeColumns := []string{
"_timestamp_ns", // SeaweedFS MQ system timestamp (nanoseconds)
"timestamp_ns", // Alternative naming
"timestamp", // Common timestamp field
"created_at", // Common creation time field
"updated_at", // Common update time field
"event_time", // Event timestamp
"log_time", // Log timestamp
"ts", // Short form
// System timestamp columns are always time columns
if columnName == SW_COLUMN_NAME_TIMESTAMP {
return true
}
for _, timeCol := range timeColumns {
if strings.EqualFold(columnName, timeCol) {
return true
// For user-defined columns, check actual schema type information
if e.catalog != nil {
currentDB := e.catalog.GetCurrentDatabase()
if currentDB == "" {
currentDB = "default"
}
// Get current table context from query execution
// Note: This is a limitation - we need table context here
// In a full implementation, this would be passed from the query context
tableInfo, err := e.getCurrentTableInfo(currentDB)
if err == nil && tableInfo != nil {
for _, col := range tableInfo.Columns {
if strings.EqualFold(col.Name, columnName) {
// Use actual SQL type to determine if this is a timestamp
return e.isSQLTypeTimestamp(col.Type)
}
}
}
}
// Only return true if we have explicit type information
// No guessing based on column names
return false
}
// isSQLTypeTimestamp checks if a SQL type string represents a timestamp type
func (e *SQLEngine) isSQLTypeTimestamp(sqlType string) bool {
upperType := strings.ToUpper(strings.TrimSpace(sqlType))
// Handle type with precision/length specifications
if idx := strings.Index(upperType, "("); idx != -1 {
upperType = upperType[:idx]
}
switch upperType {
case "TIMESTAMP", "DATETIME":
return true
case "BIGINT":
// BIGINT could be a timestamp if it follows the pattern for timestamp storage
// This is a heuristic - in a better system, we'd have semantic type information
return false // Conservative approach - require explicit TIMESTAMP type
default:
return false
}
}
// getCurrentTableInfo attempts to get table info for the current query context
// This is a simplified implementation - ideally table context would be passed explicitly
func (e *SQLEngine) getCurrentTableInfo(database string) (*TableInfo, error) {
// This is a limitation of the current architecture
// In practice, we'd need the table context from the current query
// For now, return nil to fallback to naming conventions
// TODO: Enhance architecture to pass table context through query execution
return nil, fmt.Errorf("table context not available in current architecture")
}
// getColumnName extracts column name from expression (handles ColName types)
func (e *SQLEngine) getColumnName(expr ExprNode) string {
switch exprType := expr.(type) {
@@ -2757,11 +2811,11 @@ func (e *SQLEngine) computeFileMinMax(filerClient filer_pb.FilerClient, filePath
if e.isSystemColumn(columnName) {
// Handle system columns
switch strings.ToLower(columnName) {
case "_timestamp_ns", "timestamp_ns":
case SW_COLUMN_NAME_TIMESTAMP:
columnValue = &schema_pb.Value{Kind: &schema_pb.Value_Int64Value{Int64Value: logEntry.TsNs}}
case "_key", "key":
case SW_COLUMN_NAME_KEY:
columnValue = &schema_pb.Value{Kind: &schema_pb.Value_BytesValue{BytesValue: logEntry.Key}}
case "_source", "source":
case SW_COLUMN_NAME_SOURCE:
columnValue = &schema_pb.Value{Kind: &schema_pb.Value_StringValue{StringValue: "live_log"}}
}
} else {
@@ -2894,7 +2948,7 @@ func (e *SQLEngine) convertLogEntryToRecordValue(logEntry *filer_pb.LogEntry) (*
}
// Add system columns
recordValue.Fields[SW_COLUMN_NAME_TS] = &schema_pb.Value{
recordValue.Fields[SW_COLUMN_NAME_TIMESTAMP] = &schema_pb.Value{
Kind: &schema_pb.Value_Int64Value{Int64Value: logEntry.TsNs},
}
recordValue.Fields[SW_COLUMN_NAME_KEY] = &schema_pb.Value{
@@ -3378,11 +3432,11 @@ func (e *SQLEngine) findColumnValue(result HybridScanResult, columnName string)
// Check system columns first (stored separately in HybridScanResult)
lowerColumnName := strings.ToLower(columnName)
switch lowerColumnName {
case "_timestamp_ns", "timestamp_ns":
case SW_COLUMN_NAME_TIMESTAMP:
return &schema_pb.Value{Kind: &schema_pb.Value_Int64Value{Int64Value: result.Timestamp}}
case "_key", "key":
case SW_COLUMN_NAME_KEY:
return &schema_pb.Value{Kind: &schema_pb.Value_BytesValue{BytesValue: result.Key}}
case "_source", "source":
case SW_COLUMN_NAME_SOURCE:
return &schema_pb.Value{Kind: &schema_pb.Value_StringValue{StringValue: result.Source}}
}

24
weed/query/engine/engine_test.go
View File

@@ -942,9 +942,9 @@ func TestSQLEngine_ConvertLogEntryToRecordValue_ValidProtobuf(t *testing.T) {
assert.NotNil(t, result.Fields)
// Verify system columns are added correctly
assert.Contains(t, result.Fields, SW_COLUMN_NAME_TS)
assert.Contains(t, result.Fields, SW_COLUMN_NAME_TIMESTAMP)
assert.Contains(t, result.Fields, SW_COLUMN_NAME_KEY)
assert.Equal(t, int64(1609459200000000000), result.Fields[SW_COLUMN_NAME_TS].GetInt64Value())
assert.Equal(t, int64(1609459200000000000), result.Fields[SW_COLUMN_NAME_TIMESTAMP].GetInt64Value())
assert.Equal(t, []byte("test-key-001"), result.Fields[SW_COLUMN_NAME_KEY].GetBytesValue())
// Verify user data is preserved
@@ -1004,15 +1004,15 @@ func TestSQLEngine_ConvertLogEntryToRecordValue_EmptyProtobuf(t *testing.T) {
assert.NotNil(t, result.Fields)
// Should have system columns
assert.Contains(t, result.Fields, SW_COLUMN_NAME_TS)
assert.Contains(t, result.Fields, SW_COLUMN_NAME_TIMESTAMP)
assert.Contains(t, result.Fields, SW_COLUMN_NAME_KEY)
assert.Equal(t, int64(1609459200000000000), result.Fields[SW_COLUMN_NAME_TS].GetInt64Value())
assert.Equal(t, int64(1609459200000000000), result.Fields[SW_COLUMN_NAME_TIMESTAMP].GetInt64Value())
assert.Equal(t, []byte("empty-key"), result.Fields[SW_COLUMN_NAME_KEY].GetBytesValue())
// Should have no user fields
userFieldCount := 0
for fieldName := range result.Fields {
if fieldName != SW_COLUMN_NAME_TS && fieldName != SW_COLUMN_NAME_KEY {
if fieldName != SW_COLUMN_NAME_TIMESTAMP && fieldName != SW_COLUMN_NAME_KEY {
userFieldCount++
}
}
@@ -1046,9 +1046,9 @@ func TestSQLEngine_ConvertLogEntryToRecordValue_NilFieldsMap(t *testing.T) {
assert.NotNil(t, result.Fields) // Should be created by the function
// Should have system columns
assert.Contains(t, result.Fields, SW_COLUMN_NAME_TS)
assert.Contains(t, result.Fields, SW_COLUMN_NAME_TIMESTAMP)
assert.Contains(t, result.Fields, SW_COLUMN_NAME_KEY)
assert.Equal(t, int64(1609459200000000000), result.Fields[SW_COLUMN_NAME_TS].GetInt64Value())
assert.Equal(t, int64(1609459200000000000), result.Fields[SW_COLUMN_NAME_TIMESTAMP].GetInt64Value())
assert.Equal(t, []byte("nil-fields-key"), result.Fields[SW_COLUMN_NAME_KEY].GetBytesValue())
}
@@ -1058,9 +1058,9 @@ func TestSQLEngine_ConvertLogEntryToRecordValue_SystemColumnOverride(t *testing.
// Create RecordValue that already has system column names (should be overridden)
recordWithSystemCols := &schema_pb.RecordValue{
Fields: map[string]*schema_pb.Value{
"user_field": {Kind: &schema_pb.Value_StringValue{StringValue: "user-data"}},
SW_COLUMN_NAME_TS: {Kind: &schema_pb.Value_Int64Value{Int64Value: 999999999}}, // Should be overridden
SW_COLUMN_NAME_KEY: {Kind: &schema_pb.Value_StringValue{StringValue: "old-key"}}, // Should be overridden
"user_field": {Kind: &schema_pb.Value_StringValue{StringValue: "user-data"}},
SW_COLUMN_NAME_TIMESTAMP: {Kind: &schema_pb.Value_Int64Value{Int64Value: 999999999}}, // Should be overridden
SW_COLUMN_NAME_KEY: {Kind: &schema_pb.Value_StringValue{StringValue: "old-key"}}, // Should be overridden
},
}
protobufData, err := proto.Marshal(recordWithSystemCols)
@@ -1082,7 +1082,7 @@ func TestSQLEngine_ConvertLogEntryToRecordValue_SystemColumnOverride(t *testing.
assert.NotNil(t, result)
// System columns should use LogEntry values, not protobuf values
assert.Equal(t, int64(1609459200000000000), result.Fields[SW_COLUMN_NAME_TS].GetInt64Value())
assert.Equal(t, int64(1609459200000000000), result.Fields[SW_COLUMN_NAME_TIMESTAMP].GetInt64Value())
assert.Equal(t, []byte("actual-key"), result.Fields[SW_COLUMN_NAME_KEY].GetBytesValue())
// User field should be preserved
@@ -1133,7 +1133,7 @@ func TestSQLEngine_ConvertLogEntryToRecordValue_ComplexDataTypes(t *testing.T) {
assert.Equal(t, []byte{0x01, 0x02, 0x03}, result.Fields["bytes_field"].GetBytesValue())
// System columns should still be present
assert.Contains(t, result.Fields, SW_COLUMN_NAME_TS)
assert.Contains(t, result.Fields, SW_COLUMN_NAME_TIMESTAMP)
assert.Contains(t, result.Fields, SW_COLUMN_NAME_KEY)
}

169
weed/query/engine/hybrid_message_scanner.go
View File

@@ -74,7 +74,7 @@ func NewHybridMessageScanner(filerClient filer_pb.FilerClient, brokerClient Brok
// Add system columns that MQ adds to all records
recordType = schema.NewRecordTypeBuilder(recordTypeCopy).
WithField(SW_COLUMN_NAME_TS, schema.TypeInt64).
WithField(SW_COLUMN_NAME_TIMESTAMP, schema.TypeInt64).
WithField(SW_COLUMN_NAME_KEY, schema.TypeBytes).
RecordTypeEnd()
@@ -328,7 +328,7 @@ func (hms *HybridMessageScanner) scanUnflushedDataWithStats(ctx context.Context,
}
// Extract system columns for result
timestamp := recordValue.Fields[SW_COLUMN_NAME_TS].GetInt64Value()
timestamp := recordValue.Fields[SW_COLUMN_NAME_TIMESTAMP].GetInt64Value()
key := recordValue.Fields[SW_COLUMN_NAME_KEY].GetBytesValue()
// Apply column projection
@@ -336,7 +336,7 @@ func (hms *HybridMessageScanner) scanUnflushedDataWithStats(ctx context.Context,
if len(options.Columns) == 0 {
// Select all columns (excluding system columns from user view)
for name, value := range recordValue.Fields {
if name != SW_COLUMN_NAME_TS && name != SW_COLUMN_NAME_KEY {
if name != SW_COLUMN_NAME_TIMESTAMP && name != SW_COLUMN_NAME_KEY {
values[name] = value
}
}
@@ -354,7 +354,7 @@ func (hms *HybridMessageScanner) scanUnflushedDataWithStats(ctx context.Context,
Values: values,
Timestamp: timestamp,
Key: key,
Source: "in_memory_broker", // Tag for debugging/analysis
Source: "live_log", // Data from broker's unflushed messages
}
results = append(results, result)
@@ -386,7 +386,7 @@ func (hms *HybridMessageScanner) convertDataMessageToRecord(msg *mq_pb.DataMessa
}
// Add timestamp
recordValue.Fields[SW_COLUMN_NAME_TS] = &schema_pb.Value{
recordValue.Fields[SW_COLUMN_NAME_TIMESTAMP] = &schema_pb.Value{
Kind: &schema_pb.Value_Int64Value{Int64Value: msg.TsNs},
}
@@ -521,14 +521,6 @@ func (hms *HybridMessageScanner) scanPartitionHybridWithStats(ctx context.Contex
results = mergedResults
}
// STEP 4: Fallback to sample data if no results found
// STEP 4: Fallback to sample data if no results found
// if len(results) == 0 {
// sampleResults := hms.generateSampleHybridData(options)
// results = append(results, sampleResults...)
// // Note: OFFSET and LIMIT will be applied at the end of the main scan function
// }
return results, stats, nil
}
@@ -595,7 +587,7 @@ func (hms *HybridMessageScanner) convertLogEntryToRecordValue(logEntry *filer_pb
}
// Add system columns from LogEntry
recordValue.Fields[SW_COLUMN_NAME_TS] = &schema_pb.Value{
recordValue.Fields[SW_COLUMN_NAME_TIMESTAMP] = &schema_pb.Value{
Kind: &schema_pb.Value_Int64Value{Int64Value: logEntry.TsNs},
}
recordValue.Fields[SW_COLUMN_NAME_KEY] = &schema_pb.Value{
@@ -617,7 +609,7 @@ func (hms *HybridMessageScanner) parseRawMessageWithSchema(logEntry *filer_pb.Lo
}
// Add system columns (always present)
recordValue.Fields[SW_COLUMN_NAME_TS] = &schema_pb.Value{
recordValue.Fields[SW_COLUMN_NAME_TIMESTAMP] = &schema_pb.Value{
Kind: &schema_pb.Value_Int64Value{Int64Value: logEntry.TsNs},
}
recordValue.Fields[SW_COLUMN_NAME_KEY] = &schema_pb.Value{
@@ -862,11 +854,11 @@ func (hms *HybridMessageScanner) ConvertToSQLResult(results []HybridScanResult,
row := make([]sqltypes.Value, len(columns))
for j, columnName := range columns {
switch columnName {
case "_source":
case SW_COLUMN_NAME_SOURCE:
row[j] = sqltypes.NewVarChar(result.Source)
case "_timestamp_ns":
case SW_COLUMN_NAME_TIMESTAMP:
row[j] = sqltypes.NewInt64(result.Timestamp)
case "_key":
case SW_COLUMN_NAME_KEY:
row[j] = sqltypes.NewVarBinary(string(result.Key))
default:
if value, exists := result.Values[columnName]; exists {
@@ -887,78 +879,89 @@ func (hms *HybridMessageScanner) ConvertToSQLResult(results []HybridScanResult,
}
}
// generateSampleHybridData creates sample data that simulates both live and archived messages
func (hms *HybridMessageScanner) generateSampleHybridData(options HybridScanOptions) []HybridScanResult {
now := time.Now().UnixNano()
// ConvertToSQLResultWithMixedColumns handles SELECT *, specific_columns queries
// Combines auto-discovered columns (from *) with explicitly requested columns
func (hms *HybridMessageScanner) ConvertToSQLResultWithMixedColumns(results []HybridScanResult, explicitColumns []string) *QueryResult {
if len(results) == 0 {
// For empty results, combine auto-discovered columns with explicit ones
columnSet := make(map[string]bool)
sampleData := []HybridScanResult{
// Simulated live log data (recent)
{
Values: map[string]*schema_pb.Value{
"user_id": {Kind: &schema_pb.Value_Int32Value{Int32Value: 1003}},
"event_type": {Kind: &schema_pb.Value_StringValue{StringValue: "live_login"}},
"data": {Kind: &schema_pb.Value_StringValue{StringValue: `{"ip": "10.0.0.1", "live": true}`}},
},
Timestamp: now - 300000000000, // 5 minutes ago
Key: []byte("live-user-1003"),
Source: "live_log",
},
{
Values: map[string]*schema_pb.Value{
"user_id": {Kind: &schema_pb.Value_Int32Value{Int32Value: 1004}},
"event_type": {Kind: &schema_pb.Value_StringValue{StringValue: "live_action"}},
"data": {Kind: &schema_pb.Value_StringValue{StringValue: `{"action": "click", "live": true}`}},
},
Timestamp: now - 120000000000, // 2 minutes ago
Key: []byte("live-user-1004"),
Source: "live_log",
},
// Add explicit columns first
for _, col := range explicitColumns {
columnSet[col] = true
}
// Simulated archived Parquet data (older)
{
Values: map[string]*schema_pb.Value{
"user_id": {Kind: &schema_pb.Value_Int32Value{Int32Value: 1001}},
"event_type": {Kind: &schema_pb.Value_StringValue{StringValue: "archived_login"}},
"data": {Kind: &schema_pb.Value_StringValue{StringValue: `{"ip": "192.168.1.1", "archived": true}`}},
},
Timestamp: now - 3600000000000, // 1 hour ago
Key: []byte("archived-user-1001"),
Source: "parquet_archive",
},
{
Values: map[string]*schema_pb.Value{
"user_id": {Kind: &schema_pb.Value_Int32Value{Int32Value: 1002}},
"event_type": {Kind: &schema_pb.Value_StringValue{StringValue: "archived_logout"}},
"data": {Kind: &schema_pb.Value_StringValue{StringValue: `{"duration": 1800, "archived": true}`}},
},
Timestamp: now - 1800000000000, // 30 minutes ago
Key: []byte("archived-user-1002"),
Source: "parquet_archive",
},
// Build final column list
columns := make([]string, 0, len(columnSet))
for col := range columnSet {
columns = append(columns, col)
}
return &QueryResult{
Columns: columns,
Rows: [][]sqltypes.Value{},
Database: hms.topic.Namespace,
Table: hms.topic.Name,
}
}
// Apply predicate filtering if specified
if options.Predicate != nil {
var filtered []HybridScanResult
for _, result := range sampleData {
// Convert to RecordValue for predicate testing
recordValue := &schema_pb.RecordValue{Fields: make(map[string]*schema_pb.Value)}
for k, v := range result.Values {
recordValue.Fields[k] = v
}
recordValue.Fields[SW_COLUMN_NAME_TS] = &schema_pb.Value{Kind: &schema_pb.Value_Int64Value{Int64Value: result.Timestamp}}
recordValue.Fields[SW_COLUMN_NAME_KEY] = &schema_pb.Value{Kind: &schema_pb.Value_BytesValue{BytesValue: result.Key}}
// Auto-discover columns from data (like SELECT *)
autoColumns := make(map[string]bool)
for _, result := range results {
for columnName := range result.Values {
autoColumns[columnName] = true
}
}
if options.Predicate(recordValue) {
filtered = append(filtered, result)
// Combine auto-discovered and explicit columns
columnSet := make(map[string]bool)
// Add auto-discovered columns first (regular data columns)
for col := range autoColumns {
columnSet[col] = true
}
// Add explicit columns (may include system columns like _source)
for _, col := range explicitColumns {
columnSet[col] = true
}
// Build final column list
columns := make([]string, 0, len(columnSet))
for col := range columnSet {
columns = append(columns, col)
}
// Convert to SQL rows
rows := make([][]sqltypes.Value, len(results))
for i, result := range results {
row := make([]sqltypes.Value, len(columns))
for j, columnName := range columns {
switch columnName {
case SW_COLUMN_NAME_TIMESTAMP:
row[j] = sqltypes.NewInt64(result.Timestamp)
case SW_COLUMN_NAME_KEY:
row[j] = sqltypes.NewVarBinary(string(result.Key))
case SW_COLUMN_NAME_SOURCE:
row[j] = sqltypes.NewVarChar(result.Source)
default:
// Regular data column
if value, exists := result.Values[columnName]; exists {
row[j] = convertSchemaValueToSQL(value)
} else {
row[j] = sqltypes.NULL
}
}
}
sampleData = filtered
rows[i] = row
}
// Note: OFFSET and LIMIT will be applied at the end of the main scan function
return sampleData
return &QueryResult{
Columns: columns,
Rows: rows,
Database: hms.topic.Namespace,
Table: hms.topic.Name,
}
}
// ReadParquetStatistics efficiently reads column statistics from parquet files
@@ -1428,7 +1431,7 @@ func (s *StreamingFlushedDataSource) startStreaming() {
}
// Extract system columns
timestamp := recordValue.Fields[SW_COLUMN_NAME_TS].GetInt64Value()
timestamp := recordValue.Fields[SW_COLUMN_NAME_TIMESTAMP].GetInt64Value()
key := recordValue.Fields[SW_COLUMN_NAME_KEY].GetBytesValue()
// Apply column projection
@@ -1436,7 +1439,7 @@ func (s *StreamingFlushedDataSource) startStreaming() {
if len(s.options.Columns) == 0 {
// Select all columns (excluding system columns from user view)
for name, value := range recordValue.Fields {
if name != SW_COLUMN_NAME_TS && name != SW_COLUMN_NAME_KEY {
if name != SW_COLUMN_NAME_TIMESTAMP && name != SW_COLUMN_NAME_KEY {
values[name] = value
}
}

22
weed/query/engine/hybrid_test.go
View File

@@ -24,20 +24,17 @@ func TestSQLEngine_HybridSelectBasic(t *testing.T) {
t.Error("Expected columns in result")
}
// In mock environment, we only get live_log data from unflushed messages
// parquet_archive data would come from parquet files in a real system
if len(result.Rows) == 0 {
t.Error("Expected rows in result")
}
// Should have both live and archived data (4 sample records)
if len(result.Rows) != 4 {
t.Errorf("Expected 4 rows (2 live + 2 archived), got %d", len(result.Rows))
}
// Check that we have the _source column showing data source
hasSourceColumn := false
sourceColumnIndex := -1
for i, column := range result.Columns {
if column == "_source" {
if column == SW_COLUMN_NAME_SOURCE {
hasSourceColumn = true
sourceColumnIndex = i
break
@@ -48,19 +45,18 @@ func TestSQLEngine_HybridSelectBasic(t *testing.T) {
t.Skip("_source column not available in fallback mode - test requires real SeaweedFS cluster")
}
// Verify we have both data sources
// Verify we have the expected data sources (in mock environment, only live_log)
if hasSourceColumn && sourceColumnIndex >= 0 {
foundLiveLog := false
foundParquetArchive := false
for _, row := range result.Rows {
if sourceColumnIndex < len(row) {
source := row[sourceColumnIndex].ToString()
if source == "live_log" {
foundLiveLog = true
} else if source == "parquet_archive" {
foundParquetArchive = true
}
// In mock environment, all data comes from unflushed messages (live_log)
// In a real system, we would also see parquet_archive from parquet files
}
}
@@ -68,11 +64,7 @@ func TestSQLEngine_HybridSelectBasic(t *testing.T) {
t.Error("Expected to find live_log data source in results")
}
if !foundParquetArchive {
t.Error("Expected to find parquet_archive data source in results")
}
t.Logf("Found both live_log and parquet_archive data sources")
t.Logf("Found live_log data source from unflushed messages")
}
}

102
weed/query/engine/mocks_test.go
View File

@@ -8,6 +8,7 @@ import (
"github.com/seaweedfs/seaweedfs/weed/pb/filer_pb"
"github.com/seaweedfs/seaweedfs/weed/pb/schema_pb"
util_http "github.com/seaweedfs/seaweedfs/weed/util/http"
"google.golang.org/protobuf/proto"
)
// NewTestSchemaCatalog creates a schema catalog for testing with sample data
@@ -21,10 +22,63 @@ func NewTestSchemaCatalog() *SchemaCatalog {
}
// Pre-populate with sample data to avoid service discovery requirements
catalog.initSampleData()
initTestSampleData(catalog)
return catalog
}
// initTestSampleData populates the catalog with sample schema data for testing
// This function is only available in test builds and not in production
func initTestSampleData(c *SchemaCatalog) {
// Create sample databases and tables
c.databases["default"] = &DatabaseInfo{
Name: "default",
Tables: map[string]*TableInfo{
"user_events": {
Name: "user_events",
Columns: []ColumnInfo{
{Name: "user_id", Type: "VARCHAR(100)", Nullable: true},
{Name: "event_type", Type: "VARCHAR(50)", Nullable: true},
{Name: "data", Type: "TEXT", Nullable: true},
// System columns - hidden by default in SELECT *
{Name: SW_COLUMN_NAME_TIMESTAMP, Type: "BIGINT", Nullable: false},
{Name: SW_COLUMN_NAME_KEY, Type: "VARCHAR(255)", Nullable: true},
{Name: SW_COLUMN_NAME_SOURCE, Type: "VARCHAR(50)", Nullable: false},
},
},
"system_logs": {
Name: "system_logs",
Columns: []ColumnInfo{
{Name: "level", Type: "VARCHAR(10)", Nullable: true},
{Name: "message", Type: "TEXT", Nullable: true},
{Name: "service", Type: "VARCHAR(50)", Nullable: true},
// System columns
{Name: SW_COLUMN_NAME_TIMESTAMP, Type: "BIGINT", Nullable: false},
{Name: SW_COLUMN_NAME_KEY, Type: "VARCHAR(255)", Nullable: true},
{Name: SW_COLUMN_NAME_SOURCE, Type: "VARCHAR(50)", Nullable: false},
},
},
},
}
c.databases["test"] = &DatabaseInfo{
Name: "test",
Tables: map[string]*TableInfo{
"test-topic": {
Name: "test-topic",
Columns: []ColumnInfo{
{Name: "id", Type: "INT", Nullable: true},
{Name: "name", Type: "VARCHAR(100)", Nullable: true},
{Name: "value", Type: "DOUBLE", Nullable: true},
// System columns
{Name: SW_COLUMN_NAME_TIMESTAMP, Type: "BIGINT", Nullable: false},
{Name: SW_COLUMN_NAME_KEY, Type: "VARCHAR(255)", Nullable: true},
{Name: SW_COLUMN_NAME_SOURCE, Type: "VARCHAR(50)", Nullable: false},
},
},
},
}
}
// NewTestSQLEngine creates a new SQL execution engine for testing
// Does not attempt to connect to real SeaweedFS services
func NewTestSQLEngine() *SQLEngine {
@@ -225,22 +279,44 @@ func (m *MockBrokerClient) DeleteTopic(ctx context.Context, namespace, topicName
}
// GetUnflushedMessages returns mock unflushed data for testing
// Always returns empty slice to simulate safe deduplication behavior
// Returns sample data as LogEntries to provide test data for SQL engine
func (m *MockBrokerClient) GetUnflushedMessages(ctx context.Context, namespace, topicName string, partition topic.Partition, startTimeNs int64) ([]*filer_pb.LogEntry, error) {
if m.shouldFail {
return nil, fmt.Errorf("mock broker failed to get unflushed messages: %s", m.failMessage)
}
// For testing, return empty slice to simulate:
// 1. No unflushed data available
// 2. Safe deduplication behavior (prevents double-counting)
// 3. Successful broker communication
//
// In a real implementation, this would:
// - Connect to actual broker
// - Access LocalPartition's LogBuffer
// - Use buffer_start metadata for deduplication
// - Return only truly unflushed messages
// Generate sample data as LogEntries for testing
// This provides data that looks like it came from the broker's memory buffer
allSampleData := generateSampleHybridData(topicName, HybridScanOptions{})
return []*filer_pb.LogEntry{}, nil
var logEntries []*filer_pb.LogEntry
for _, result := range allSampleData {
// Only return live_log entries as unflushed messages
// This matches real system behavior where unflushed messages come from broker memory
// parquet_archive data would come from parquet files, not unflushed messages
if result.Source != "live_log" {
continue
}
// Convert sample data to protobuf LogEntry format
recordValue := &schema_pb.RecordValue{Fields: make(map[string]*schema_pb.Value)}
for k, v := range result.Values {
recordValue.Fields[k] = v
}
// Serialize the RecordValue
data, err := proto.Marshal(recordValue)
if err != nil {
continue // Skip invalid entries
}
logEntry := &filer_pb.LogEntry{
TsNs: result.Timestamp,
Key: result.Key,
Data: data,
}
logEntries = append(logEntries, logEntry)
}
return logEntries, nil
}

16
weed/query/engine/parquet_scanner.go
View File

@@ -16,17 +16,11 @@ import (
"github.com/seaweedfs/seaweedfs/weed/util/chunk_cache"
)
// System columns added to all MQ records
const (
SW_COLUMN_NAME_TS = "_ts_ns" // Timestamp in nanoseconds
SW_COLUMN_NAME_KEY = "_key" // Message key
)
// ParquetScanner scans MQ topic Parquet files for SELECT queries
// Assumptions:
// 1. All MQ messages are stored in Parquet format in topic partitions
// 2. Each partition directory contains dated Parquet files
// 3. System columns (_ts_ns, _key) are added to user schema
// 3. System columns (_timestamp_ns, _key) are added to user schema
// 4. Predicate pushdown is used for efficient scanning
type ParquetScanner struct {
filerClient filer_pb.FilerClient
@@ -68,7 +62,7 @@ func NewParquetScanner(filerClient filer_pb.FilerClient, namespace, topicName st
// Add system columns that MQ adds to all records
recordType = schema.NewRecordTypeBuilder(recordType).
WithField(SW_COLUMN_NAME_TS, schema.TypeInt64).
WithField(SW_COLUMN_NAME_TIMESTAMP, schema.TypeInt64).
WithField(SW_COLUMN_NAME_KEY, schema.TypeBytes).
RecordTypeEnd()
@@ -196,7 +190,7 @@ func (ps *ParquetScanner) scanParquetFile(ctx context.Context, entry *filer_pb.E
}
// Extract system columns
timestamp := recordValue.Fields[SW_COLUMN_NAME_TS].GetInt64Value()
timestamp := recordValue.Fields[SW_COLUMN_NAME_TIMESTAMP].GetInt64Value()
key := recordValue.Fields[SW_COLUMN_NAME_KEY].GetBytesValue()
// Apply time filtering
@@ -217,7 +211,7 @@ func (ps *ParquetScanner) scanParquetFile(ctx context.Context, entry *filer_pb.E
if len(options.Columns) == 0 {
// Select all columns (excluding system columns from user view)
for name, value := range recordValue.Fields {
if name != SW_COLUMN_NAME_TS && name != SW_COLUMN_NAME_KEY {
if name != SW_COLUMN_NAME_TIMESTAMP && name != SW_COLUMN_NAME_KEY {
values[name] = value
}
}
@@ -293,7 +287,7 @@ func (ps *ParquetScanner) generateSampleData(options ScanOptions) []ScanResult {
for k, v := range result.Values {
recordValue.Fields[k] = v
}
recordValue.Fields[SW_COLUMN_NAME_TS] = &schema_pb.Value{Kind: &schema_pb.Value_Int64Value{Int64Value: result.Timestamp}}
recordValue.Fields[SW_COLUMN_NAME_TIMESTAMP] = &schema_pb.Value{Kind: &schema_pb.Value_Int64Value{Int64Value: result.Timestamp}}
recordValue.Fields[SW_COLUMN_NAME_KEY] = &schema_pb.Value{Kind: &schema_pb.Value_BytesValue{BytesValue: result.Key}}
if options.Predicate(recordValue) {

7
weed/query/engine/select_test.go
View File

@@ -34,9 +34,10 @@ func TestSQLEngine_SelectBasic(t *testing.T) {
t.Errorf("Expected %d columns, got %d", len(expectedColumns), len(result.Columns))
}
// Should have 4 sample rows (hybrid data includes both live_log and parquet_archive)
if len(result.Rows) != 4 {
t.Errorf("Expected 4 rows, got %d", len(result.Rows))
// In mock environment, only live_log data from unflushed messages
// parquet_archive data would come from parquet files in a real system
if len(result.Rows) == 0 {
t.Error("Expected rows in result")
}
}

25
weed/query/engine/system_columns.go
View File

@@ -4,12 +4,19 @@ import (
"strings"
)
// System column constants used throughout the SQL engine
const (
SW_COLUMN_NAME_TIMESTAMP = "_timestamp_ns" // Message timestamp in nanoseconds
SW_COLUMN_NAME_KEY = "_key" // Message key
SW_COLUMN_NAME_SOURCE = "_source" // Data source (live_log, parquet_archive, etc.)
)
// isSystemColumn checks if a column is a system column (_timestamp_ns, _key, _source)
func (e *SQLEngine) isSystemColumn(columnName string) bool {
lowerName := strings.ToLower(columnName)
return lowerName == "_timestamp_ns" || lowerName == "timestamp_ns" ||
lowerName == "_key" || lowerName == "key" ||
lowerName == "_source" || lowerName == "source"
return lowerName == SW_COLUMN_NAME_TIMESTAMP ||
lowerName == SW_COLUMN_NAME_KEY ||
lowerName == SW_COLUMN_NAME_SOURCE
}
// isRegularColumn checks if a column might be a regular data column (placeholder)
@@ -23,7 +30,7 @@ func (e *SQLEngine) getSystemColumnGlobalMin(columnName string, allFileStats map
lowerName := strings.ToLower(columnName)
switch lowerName {
case "_timestamp_ns", "timestamp_ns":
case SW_COLUMN_NAME_TIMESTAMP:
// For timestamps, find the earliest timestamp across all files
// This should match what's in the Extended["min"] metadata
var minTimestamp *int64
@@ -42,12 +49,12 @@ func (e *SQLEngine) getSystemColumnGlobalMin(columnName string, allFileStats map
return *minTimestamp
}
case "_key", "key":
case SW_COLUMN_NAME_KEY:
// For keys, we'd need to read the actual parquet column stats
// Fall back to scanning if not available in our current stats
return nil
case "_source", "source":
case SW_COLUMN_NAME_SOURCE:
// Source is always "parquet_archive" for parquet files
return "parquet_archive"
}
@@ -60,7 +67,7 @@ func (e *SQLEngine) getSystemColumnGlobalMax(columnName string, allFileStats map
lowerName := strings.ToLower(columnName)
switch lowerName {
case "_timestamp_ns", "timestamp_ns":
case SW_COLUMN_NAME_TIMESTAMP:
// For timestamps, find the latest timestamp across all files
// This should match what's in the Extended["max"] metadata
var maxTimestamp *int64
@@ -79,12 +86,12 @@ func (e *SQLEngine) getSystemColumnGlobalMax(columnName string, allFileStats map
return *maxTimestamp
}
case "_key", "key":
case SW_COLUMN_NAME_KEY:
// For keys, we'd need to read the actual parquet column stats
// Fall back to scanning if not available in our current stats
return nil
case "_source", "source":
case SW_COLUMN_NAME_SOURCE:
// Source is always "parquet_archive" for parquet files
return "parquet_archive"
}

137
weed/query/engine/test_sample_data_test.go Normal file
View File

@@ -0,0 +1,137 @@
package engine
import (
"time"
"github.com/seaweedfs/seaweedfs/weed/pb/schema_pb"
)
// generateSampleHybridData creates sample data that simulates both live and archived messages
// This function is only used for testing and is not included in production builds
func generateSampleHybridData(topicName string, options HybridScanOptions) []HybridScanResult {
now := time.Now().UnixNano()
// Generate different sample data based on topic name
var sampleData []HybridScanResult
switch topicName {
case "user_events":
sampleData = []HybridScanResult{
// Simulated live log data (recent)
{
Values: map[string]*schema_pb.Value{
"user_id": {Kind: &schema_pb.Value_Int32Value{Int32Value: 1003}},
"event_type": {Kind: &schema_pb.Value_StringValue{StringValue: "live_login"}},
"data": {Kind: &schema_pb.Value_StringValue{StringValue: `{"ip": "10.0.0.1", "live": true}`}},
},
Timestamp: now - 300000000000, // 5 minutes ago
Key: []byte("live-user-1003"),
Source: "live_log",
},
{
Values: map[string]*schema_pb.Value{
"user_id": {Kind: &schema_pb.Value_Int32Value{Int32Value: 1004}},
"event_type": {Kind: &schema_pb.Value_StringValue{StringValue: "live_action"}},
"data": {Kind: &schema_pb.Value_StringValue{StringValue: `{"action": "click", "live": true}`}},
},
Timestamp: now - 120000000000, // 2 minutes ago
Key: []byte("live-user-1004"),
Source: "live_log",
},
// Simulated archived Parquet data (older)
{
Values: map[string]*schema_pb.Value{
"user_id": {Kind: &schema_pb.Value_Int32Value{Int32Value: 1001}},
"event_type": {Kind: &schema_pb.Value_StringValue{StringValue: "archived_login"}},
"data": {Kind: &schema_pb.Value_StringValue{StringValue: `{"ip": "192.168.1.1", "archived": true}`}},
},
Timestamp: now - 3600000000000, // 1 hour ago
Key: []byte("archived-user-1001"),
Source: "parquet_archive",
},
{
Values: map[string]*schema_pb.Value{
"user_id": {Kind: &schema_pb.Value_Int32Value{Int32Value: 1002}},
"event_type": {Kind: &schema_pb.Value_StringValue{StringValue: "archived_logout"}},
"data": {Kind: &schema_pb.Value_StringValue{StringValue: `{"duration": 1800, "archived": true}`}},
},
Timestamp: now - 1800000000000, // 30 minutes ago
Key: []byte("archived-user-1002"),
Source: "parquet_archive",
},
}
case "system_logs":
sampleData = []HybridScanResult{
// Simulated live system logs (recent)
{
Values: map[string]*schema_pb.Value{
"level": {Kind: &schema_pb.Value_StringValue{StringValue: "INFO"}},
"message": {Kind: &schema_pb.Value_StringValue{StringValue: "Live system startup completed"}},
"service": {Kind: &schema_pb.Value_StringValue{StringValue: "auth-service"}},
},
Timestamp: now - 240000000000, // 4 minutes ago
Key: []byte("live-sys-001"),
Source: "live_log",
},
{
Values: map[string]*schema_pb.Value{
"level": {Kind: &schema_pb.Value_StringValue{StringValue: "WARN"}},
"message": {Kind: &schema_pb.Value_StringValue{StringValue: "Live high memory usage detected"}},
"service": {Kind: &schema_pb.Value_StringValue{StringValue: "monitor-service"}},
},
Timestamp: now - 180000000000, // 3 minutes ago
Key: []byte("live-sys-002"),
Source: "live_log",
},
// Simulated archived system logs (older)
{
Values: map[string]*schema_pb.Value{
"level": {Kind: &schema_pb.Value_StringValue{StringValue: "ERROR"}},
"message": {Kind: &schema_pb.Value_StringValue{StringValue: "Archived database connection failed"}},
"service": {Kind: &schema_pb.Value_StringValue{StringValue: "db-service"}},
},
Timestamp: now - 7200000000000, // 2 hours ago
Key: []byte("archived-sys-001"),
Source: "parquet_archive",
},
{
Values: map[string]*schema_pb.Value{
"level": {Kind: &schema_pb.Value_StringValue{StringValue: "INFO"}},
"message": {Kind: &schema_pb.Value_StringValue{StringValue: "Archived batch job completed"}},
"service": {Kind: &schema_pb.Value_StringValue{StringValue: "batch-service"}},
},
Timestamp: now - 3600000000000, // 1 hour ago
Key: []byte("archived-sys-002"),
Source: "parquet_archive",
},
}
default:
// For unknown topics, return empty data
sampleData = []HybridScanResult{}
}
// Apply predicate filtering if specified
if options.Predicate != nil {
var filtered []HybridScanResult
for _, result := range sampleData {
// Convert to RecordValue for predicate testing
recordValue := &schema_pb.RecordValue{Fields: make(map[string]*schema_pb.Value)}
for k, v := range result.Values {
recordValue.Fields[k] = v
}
recordValue.Fields[SW_COLUMN_NAME_TIMESTAMP] = &schema_pb.Value{Kind: &schema_pb.Value_Int64Value{Int64Value: result.Timestamp}}
recordValue.Fields[SW_COLUMN_NAME_KEY] = &schema_pb.Value{Kind: &schema_pb.Value_BytesValue{BytesValue: result.Key}}
if options.Predicate(recordValue) {
filtered = append(filtered, result)
}
}
sampleData = filtered
}
return sampleData
}