Merge pull request #8 from monoscope-tech/update-query-support

Update and delete sql query support

Author: tonyalaribe

.env.example

@@ -29,3 +29,23 @@ MAX_BATCH_SIZE=1000
 ENABLE_BATCH_QUEUE=false
 # Maximum number of concurrent PostgreSQL connections (default: 100)
 MAX_PG_CONNECTIONS=100
+
+# DataFusion tracing configuration
+# Enable/disable metrics recording in query traces (default: true)
+TIMEFUSION_TRACING_RECORD_METRICS=true
+
+# OpenTelemetry Configuration
+# OTLP endpoint for sending traces (e.g., http://localhost:4317 for gRPC or http://localhost:4318 for HTTP)
+OTEL_EXPORTER_OTLP_ENDPOINT=http://localhost:4317
+# Service name for this application
+OTEL_SERVICE_NAME=timefusion
+# Optional: Additional resource attributes (comma-separated key=value pairs)
+OTEL_RESOURCE_ATTRIBUTES=environment=development,version=0.1.0
+# Optional: Trace sampling ratio (0.0-1.0, default: 1.0)
+OTEL_TRACES_SAMPLER_RATIO=1.0
+# Optional: Export protocol (grpc or http/protobuf, default: grpc)
+OTEL_EXPORTER_OTLP_PROTOCOL=grpc
+# Optional: Headers for authentication (e.g., api-key=your-key)
+OTEL_EXPORTER_OTLP_HEADERS=
+# Optional: Enable/disable tracing (default: true)
+OTEL_SDK_DISABLED=false