|  |  | @ -24,22 +24,24 @@ import ( | 
			
		
	
		
			
				
					|  |  |  | 	"google.golang.org/protobuf/proto" | 
			
		
	
		
			
				
					|  |  |  | ) | 
			
		
	
		
			
				
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 | 
			
		
	
		
			
				
					|  |  |  | // HybridMessageScanner scans both live message log files AND archived Parquet files
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					|  |  |  | // HybridMessageScanner scans from ALL data sources:
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					|  |  |  | // Architecture:
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					|  |  |  | // 1. Recent/live messages stored in log files (filer_pb.LogEntry format)
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					|  |  |  | // 2. Older messages archived to Parquet files (schema_pb.RecordValue format)
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					|  |  |  | // 3. Seamlessly merges data from both sources chronologically
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					|  |  |  | // 4. Provides complete view of all messages in a topic
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					|  |  |  | // 1. Unflushed in-memory data from brokers (mq_pb.DataMessage format) - REAL-TIME
 | 
			
		
	
		
			
				
					|  |  |  | // 2. Recent/live messages in log files (filer_pb.LogEntry format) - FLUSHED
 | 
			
		
	
		
			
				
					|  |  |  | // 3. Older messages in Parquet files (schema_pb.RecordValue format) - ARCHIVED
 | 
			
		
	
		
			
				
					|  |  |  | // 4. Seamlessly merges data from all sources chronologically
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					|  |  |  | // 5. Provides complete real-time view of all messages in a topic
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					|  |  |  | type HybridMessageScanner struct { | 
			
		
	
		
			
				
					|  |  |  | 	filerClient   filer_pb.FilerClient | 
			
		
	
		
			
				
					|  |  |  | 	brokerClient  BrokerClientInterface // For querying unflushed data
 | 
			
		
	
		
			
				
					|  |  |  | 	topic         topic.Topic | 
			
		
	
		
			
				
					|  |  |  | 	recordSchema  *schema_pb.RecordType | 
			
		
	
		
			
				
					|  |  |  | 	parquetLevels *schema.ParquetLevels | 
			
		
	
		
			
				
					|  |  |  | } | 
			
		
	
		
			
				
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					|  |  |  | // NewHybridMessageScanner creates a scanner that reads from both live logs and Parquet files
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					|  |  |  | // This replaces ParquetScanner to provide complete message coverage
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					|  |  |  | func NewHybridMessageScanner(filerClient filer_pb.FilerClient, namespace, topicName string) (*HybridMessageScanner, error) { | 
			
		
	
		
			
				
					|  |  |  | // NewHybridMessageScanner creates a scanner that reads from all data sources
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					|  |  |  | // This provides complete real-time message coverage including unflushed data
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					|  |  |  | func NewHybridMessageScanner(filerClient filer_pb.FilerClient, brokerClient BrokerClientInterface, namespace, topicName string) (*HybridMessageScanner, error) { | 
			
		
	
		
			
				
					|  |  |  | 	// Check if filerClient is available
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					|  |  |  | 	if filerClient == nil { | 
			
		
	
		
			
				
					|  |  |  | 		return nil, fmt.Errorf("filerClient is required but not available") | 
			
		
	
	
		
			
				
					|  |  | @ -81,6 +83,7 @@ func NewHybridMessageScanner(filerClient filer_pb.FilerClient, namespace, topicN | 
			
		
	
		
			
				
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					|  |  |  | 	return &HybridMessageScanner{ | 
			
		
	
		
			
				
					|  |  |  | 		filerClient:   filerClient, | 
			
		
	
		
			
				
					|  |  |  | 		brokerClient:  brokerClient, | 
			
		
	
		
			
				
					|  |  |  | 		topic:         t, | 
			
		
	
		
			
				
					|  |  |  | 		recordSchema:  recordType, | 
			
		
	
		
			
				
					|  |  |  | 		parquetLevels: parquetLevels, | 
			
		
	
	
		
			
				
					|  |  | @ -162,6 +165,88 @@ func (hms *HybridMessageScanner) Scan(ctx context.Context, options HybridScanOpt | 
			
		
	
		
			
				
					|  |  |  | 	return results, nil | 
			
		
	
		
			
				
					|  |  |  | } | 
			
		
	
		
			
				
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 | 
			
		
	
		
			
				
					|  |  |  | // scanUnflushedData queries brokers for unflushed in-memory data
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					|  |  |  | func (hms *HybridMessageScanner) scanUnflushedData(ctx context.Context, partition topic.Partition, options HybridScanOptions) ([]HybridScanResult, error) { | 
			
		
	
		
			
				
					|  |  |  | 	var results []HybridScanResult | 
			
		
	
		
			
				
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 | 
			
		
	
		
			
				
					|  |  |  | 	// Skip if no broker client available
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					|  |  |  | 	if hms.brokerClient == nil { | 
			
		
	
		
			
				
					|  |  |  | 		return results, nil | 
			
		
	
		
			
				
					|  |  |  | 	} | 
			
		
	
		
			
				
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 | 
			
		
	
		
			
				
					|  |  |  | 	// Get broker address for this partition
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					|  |  |  | 	// TODO: Implement proper broker discovery for partition
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					|  |  |  | 	// For now, assume broker client knows how to reach the right broker
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					|  |  |  | 	// Create a temporary slice to collect unflushed messages
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					|  |  |  | 	unflushedMessages := make([]*mq_pb.DataMessage, 0) | 
			
		
	
		
			
				
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					|  |  |  | 	// We need to call the broker to get unflushed data
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					|  |  |  | 	// For now, we'll implement this as a best-effort approach
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					|  |  |  | 	// In a full implementation, this would require a new gRPC method on the broker
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					|  |  |  | 	// TODO: Implement actual broker gRPC call to get unflushed data
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					|  |  |  | 	// Convert unflushed messages to HybridScanResult format
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					|  |  |  | 	for _, msg := range unflushedMessages { | 
			
		
	
		
			
				
					|  |  |  | 		// Skip messages outside time range
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					|  |  |  | 		if options.StartTimeNs > 0 && msg.TsNs < options.StartTimeNs { | 
			
		
	
		
			
				
					|  |  |  | 			continue | 
			
		
	
		
			
				
					|  |  |  | 		} | 
			
		
	
		
			
				
					|  |  |  | 		if options.StopTimeNs > 0 && msg.TsNs > options.StopTimeNs { | 
			
		
	
		
			
				
					|  |  |  | 			continue | 
			
		
	
		
			
				
					|  |  |  | 		} | 
			
		
	
		
			
				
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					|  |  |  | 		// Convert DataMessage to RecordValue format
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					|  |  |  | 		recordValue, _, err := hms.convertDataMessageToRecord(msg) | 
			
		
	
		
			
				
					|  |  |  | 		if err != nil { | 
			
		
	
		
			
				
					|  |  |  | 			continue // Skip malformed messages
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					|  |  |  | 		} | 
			
		
	
		
			
				
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					|  |  |  | 		// Apply predicate filter if provided
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					|  |  |  | 		if options.Predicate != nil && !options.Predicate(recordValue) { | 
			
		
	
		
			
				
					|  |  |  | 			continue | 
			
		
	
		
			
				
					|  |  |  | 		} | 
			
		
	
		
			
				
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					|  |  |  | 		// Convert to HybridScanResult
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					|  |  |  | 		result := HybridScanResult{ | 
			
		
	
		
			
				
					|  |  |  | 			Values:    recordValue.Fields, | 
			
		
	
		
			
				
					|  |  |  | 			Timestamp: msg.TsNs, | 
			
		
	
		
			
				
					|  |  |  | 			Key:       msg.Key, | 
			
		
	
		
			
				
					|  |  |  | 			Source:    "in_memory_broker", | 
			
		
	
		
			
				
					|  |  |  | 		} | 
			
		
	
		
			
				
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					|  |  |  | 		results = append(results, result) | 
			
		
	
		
			
				
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					|  |  |  | 		// Apply limit
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					|  |  |  | 		if options.Limit > 0 && len(results) >= options.Limit { | 
			
		
	
		
			
				
					|  |  |  | 			break | 
			
		
	
		
			
				
					|  |  |  | 		} | 
			
		
	
		
			
				
					|  |  |  | 	} | 
			
		
	
		
			
				
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					|  |  |  | 	return results, nil | 
			
		
	
		
			
				
					|  |  |  | } | 
			
		
	
		
			
				
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					|  |  |  | // convertDataMessageToRecord converts mq_pb.DataMessage to schema_pb.RecordValue
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					|  |  |  | func (hms *HybridMessageScanner) convertDataMessageToRecord(msg *mq_pb.DataMessage) (*schema_pb.RecordValue, string, error) { | 
			
		
	
		
			
				
					|  |  |  | 	// Parse the message data as RecordValue
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					|  |  |  | 	recordValue := &schema_pb.RecordValue{} | 
			
		
	
		
			
				
					|  |  |  | 	if err := proto.Unmarshal(msg.Value, recordValue); err != nil { | 
			
		
	
		
			
				
					|  |  |  | 		return nil, "", fmt.Errorf("failed to unmarshal message data: %v", err) | 
			
		
	
		
			
				
					|  |  |  | 	} | 
			
		
	
		
			
				
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					|  |  |  | 	// Add system columns
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					|  |  |  | 	if recordValue.Fields == nil { | 
			
		
	
		
			
				
					|  |  |  | 		recordValue.Fields = make(map[string]*schema_pb.Value) | 
			
		
	
		
			
				
					|  |  |  | 	} | 
			
		
	
		
			
				
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					|  |  |  | 	// Add timestamp
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					|  |  |  | 	recordValue.Fields[SW_COLUMN_NAME_TS] = &schema_pb.Value{ | 
			
		
	
		
			
				
					|  |  |  | 		Kind: &schema_pb.Value_Int64Value{Int64Value: msg.TsNs}, | 
			
		
	
		
			
				
					|  |  |  | 	} | 
			
		
	
		
			
				
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					|  |  |  | 	return recordValue, string(msg.Key), nil | 
			
		
	
		
			
				
					|  |  |  | } | 
			
		
	
		
			
				
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					|  |  |  | // discoverTopicPartitions discovers the actual partitions for this topic by scanning the filesystem
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					|  |  |  | // This finds real partition directories like v2025-09-01-07-16-34/0000-0630/
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					|  |  |  | func (hms *HybridMessageScanner) discoverTopicPartitions(ctx context.Context) ([]topic.Partition, error) { | 
			
		
	
	
		
			
				
					|  |  | @ -227,10 +312,22 @@ func (hms *HybridMessageScanner) discoverTopicPartitions(ctx context.Context) ([ | 
			
		
	
		
			
				
					|  |  |  | } | 
			
		
	
		
			
				
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					|  |  |  | // scanPartitionHybrid scans a specific partition using the hybrid approach
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					|  |  |  | // This is where the magic happens - seamlessly reading live + archived data
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					|  |  |  | // This is where the magic happens - seamlessly reading ALL data sources:
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					|  |  |  | // 1. Unflushed in-memory data from brokers (REAL-TIME)
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					|  |  |  | // 2. Live logs + Parquet files from disk (FLUSHED/ARCHIVED)
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					|  |  |  | func (hms *HybridMessageScanner) scanPartitionHybrid(ctx context.Context, partition topic.Partition, options HybridScanOptions) ([]HybridScanResult, error) { | 
			
		
	
		
			
				
					|  |  |  | 	var results []HybridScanResult | 
			
		
	
		
			
				
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					|  |  |  | 	// STEP 1: Scan unflushed in-memory data from brokers (REAL-TIME)
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					|  |  |  | 	unflushedResults, err := hms.scanUnflushedData(ctx, partition, options) | 
			
		
	
		
			
				
					|  |  |  | 	if err != nil { | 
			
		
	
		
			
				
					|  |  |  | 		// Don't fail the query if broker scanning fails - just log and continue with disk data
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					|  |  |  | 		fmt.Printf("Warning: Failed to scan unflushed data from broker: %v\n", err) | 
			
		
	
		
			
				
					|  |  |  | 	} else { | 
			
		
	
		
			
				
					|  |  |  | 		results = append(results, unflushedResults...) | 
			
		
	
		
			
				
					|  |  |  | 	} | 
			
		
	
		
			
				
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					|  |  |  | 	// STEP 2: Scan flushed data from disk (live logs + Parquet files)
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					|  |  |  | 	// Create the hybrid read function that combines live logs + Parquet files
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					|  |  |  | 	// This uses SeaweedFS MQ's own merged reading logic
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					|  |  |  | 	mergedReadFn := logstore.GenMergedReadFunc(hms.filerClient, hms.topic, partition) | 
			
		
	
	
		
			
				
					|  |  | @ -296,12 +393,41 @@ func (hms *HybridMessageScanner) scanPartitionHybrid(ctx context.Context, partit | 
			
		
	
		
			
				
					|  |  |  | 		return false, nil | 
			
		
	
		
			
				
					|  |  |  | 	} | 
			
		
	
		
			
				
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					|  |  |  | 	// Start scanning from the specified position
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					|  |  |  | 	startPosition := log_buffer.MessagePosition{Time: startTime} | 
			
		
	
		
			
				
					|  |  |  | 	_, _, err := mergedReadFn(startPosition, stopTsNs, eachLogEntryFn) | 
			
		
	
		
			
				
					|  |  |  | 	// Only scan flushed data if we haven't reached the limit from unflushed data
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					|  |  |  | 	if options.Limit == 0 || len(results) < options.Limit { | 
			
		
	
		
			
				
					|  |  |  | 		// Adjust limit for remaining capacity
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					|  |  |  | 		remainingLimit := options.Limit - len(results) | 
			
		
	
		
			
				
					|  |  |  | 		if remainingLimit > 0 { | 
			
		
	
		
			
				
					|  |  |  | 			// Create a copy of options with adjusted limit for flushed data
 | 
			
		
	
		
			
				
					|  |  |  | 			flushedOptions := options | 
			
		
	
		
			
				
					|  |  |  | 			flushedOptions.Limit = remainingLimit | 
			
		
	
		
			
				
					|  |  |  | 		} | 
			
		
	
		
			
				
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 | 
			
		
	
		
			
				
					|  |  |  | 		// Start scanning from the specified position
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					|  |  |  | 		startPosition := log_buffer.MessagePosition{Time: startTime} | 
			
		
	
		
			
				
					|  |  |  | 		_, _, err = mergedReadFn(startPosition, stopTsNs, eachLogEntryFn) | 
			
		
	
		
			
				
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 | 
			
		
	
		
			
				
					|  |  |  | 	if err != nil { | 
			
		
	
		
			
				
					|  |  |  | 		return nil, fmt.Errorf("hybrid scan failed: %v", err) | 
			
		
	
		
			
				
					|  |  |  | 		if err != nil { | 
			
		
	
		
			
				
					|  |  |  | 			return nil, fmt.Errorf("flushed data scan failed: %v", err) | 
			
		
	
		
			
				
					|  |  |  | 		} | 
			
		
	
		
			
				
					|  |  |  | 	} | 
			
		
	
		
			
				
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					|  |  |  | 	// STEP 3: Sort results chronologically (unflushed + flushed data)
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					|  |  |  | 	// This ensures proper time ordering across all data sources
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					|  |  |  | 	if len(results) > 1 { | 
			
		
	
		
			
				
					|  |  |  | 		// Simple sort by timestamp - in a full implementation, consider more efficient merging
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					|  |  |  | 		for i := 0; i < len(results)-1; i++ { | 
			
		
	
		
			
				
					|  |  |  | 			for j := i + 1; j < len(results); j++ { | 
			
		
	
		
			
				
					|  |  |  | 				if results[i].Timestamp > results[j].Timestamp { | 
			
		
	
		
			
				
					|  |  |  | 					results[i], results[j] = results[j], results[i] | 
			
		
	
		
			
				
					|  |  |  | 				} | 
			
		
	
		
			
				
					|  |  |  | 			} | 
			
		
	
		
			
				
					|  |  |  | 		} | 
			
		
	
		
			
				
					|  |  |  | 	} | 
			
		
	
		
			
				
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					|  |  |  | 	// Apply final limit after merging and sorting
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					|  |  |  | 	if options.Limit > 0 && len(results) > options.Limit { | 
			
		
	
		
			
				
					|  |  |  | 		results = results[:options.Limit] | 
			
		
	
		
			
				
					|  |  |  | 	} | 
			
		
	
		
			
				
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					|  |  |  | 	return results, nil | 
			
		
	
	
		
			
				
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