diff --git a/workdone.md b/workdone.md index 7b69429..13f26c0 100644 --- a/workdone.md +++ b/workdone.md @@ -554,79 +554,40 @@ This document tracks all completed work on the SmartQuery MVP project with dates --- -### ✅ Task B12: Create Celery File Processing -**Date:** January 11, 2025 -**Status:** Complete +### ✅ Task B12 & B13: Comprehensive File Processing & Schema Analysis +**Date:** July 18, 2025 +**Status:** Complete **Implementation:** -- Enhanced `process_csv_file` Celery task for comprehensive CSV processing -- Integrated MinIO file download and pandas CSV parsing -- Added detailed schema analysis with column metadata -- Implemented progress tracking and error handling -- Created standalone schema analysis task for independent processing +- Developed a comprehensive Celery task for asynchronous CSV processing, including MinIO integration, pandas parsing, and detailed schema analysis. +- Implemented robust progress tracking, error handling, and project status updates throughout the processing pipeline. +- Created a standalone schema analysis endpoint for independent processing, providing flexibility for targeted data insights. **Files Enhanced:** -- `backend/tasks/file_processing.py` - Enhanced CSV processing with schema analysis -- `backend/api/projects.py` - Added `/process` endpoint for triggering file processing -- `backend/services/project_service.py` - Updated metadata update methods -- `backend/tests/test_file_processing.py` - Comprehensive unit tests +- `backend/tasks/file_processing.py`: Enhanced CSV processing with detailed statistics and data quality insights. +- `backend/api/projects.py`: Added `/process` and `/analyze-schema` endpoints for triggering file processing and standalone analysis. +- `backend/services/project_service.py`: Updated metadata update methods to support schema analysis results. +- `backend/tests/test_file_processing.py`: Added comprehensive unit tests for the new processing and analysis features. **Key Features:** -- Asynchronous CSV processing with Celery task queue -- Comprehensive schema analysis (data types, nullability, sample values) -- Progress tracking with detailed status updates -- Error handling with project status updates -- Integration with MinIO storage and project management -- Standalone schema analysis capability +- **Asynchronous Processing:** Utilizes Celery for non-blocking CSV processing and schema analysis. +- **Comprehensive Schema Analysis:** Provides detailed column-level statistics (for numeric and string data), null value analysis, and data quality issue detection. +- **Dataset-Level Insights:** Calculates total rows, columns, null cell percentages, duplicate row detection, and column type distribution. +- **Standalone Analysis:** Offers a dedicated API endpoint (`/analyze-schema`) for on-demand schema analysis without full data processing. +- **Robust Error Handling:** Ensures that processing failures are gracefully handled and project statuses are updated accordingly. **Processing Pipeline:** -- File download from MinIO storage -- CSV parsing with pandas -- Column-level analysis and metadata extraction -- Dataset-level insights calculation -- Project metadata updates in database -- Status tracking throughout process - -**Testing:** All 125 backend tests passing ✅ - ---- - -### ✅ Task B13: Add Schema Analysis -**Date:** January 11, 2025 -**Status:** Complete -**Implementation:** -- Enhanced schema analysis with comprehensive metadata and data quality insights -- Added detailed column-level statistics for different data types -- Implemented data quality issue detection and reporting -- Created dataset-level insights and metrics -- Added standalone schema analysis capability - -**Files Enhanced:** -- `backend/tasks/file_processing.py` - Enhanced schema analysis with detailed statistics -- `backend/api/projects.py` - Added `/analyze-schema` endpoint for standalone analysis - -**Column-Level Analysis:** -- **Numeric Columns:** min, max, mean, median, standard deviation -- **String Columns:** unique count, most common values, average length -- **Null Analysis:** count and percentage of null values -- **Data Quality Issues:** high null percentage, single value columns, no variance detection - -**Dataset-Level Insights:** -- Total rows, columns, and cells analysis -- Null cell analysis and percentage calculation -- Duplicate row detection and percentage -- Column type distribution (numeric, string, datetime, boolean) -- Columns with data quality issues count - -**New API Endpoint:** -- `POST /{project_id}/analyze-schema` - Trigger standalone schema analysis -- Returns task ID for tracking analysis progress -- Supports independent schema analysis without full processing +1. File download from MinIO storage. +2. CSV parsing with pandas. +3. Column-level analysis and metadata extraction. +4. Dataset-level insights calculation. +5. Project metadata updates in the database. +6. Continuous status tracking throughout the process. **Enhanced Metadata Structure:** -- Rich statistical information for each column -- Data quality issue flags and descriptions -- Dataset-level metrics and insights -- Analysis timestamp for tracking +- Stores rich statistical information for each column. +- Includes data quality issue flags and descriptions. +- Provides dataset-level metrics and insights. +- Timestamps the analysis for versioning and tracking. **Testing:** All 125 backend tests passing ✅