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mguzman14

PROFILE

Mguzman14

Over 16 months, Miguel Guzmán engineered robust data management and GIS solutions in the Giswater/giswater_dbmodel repository, focusing on database integrity, workflow automation, and spatial analytics. He delivered features such as dynamic data validation pipelines, topology-aware geometry updates, and advanced reporting utilities, leveraging PL/pgSQL, SQL, and PostGIS. Miguel refactored core modules for maintainability, introduced schema constraints to enforce data quality, and optimized triggers for performance and reliability. His work included integrating hydrological modeling, enhancing error handling, and supporting scalable analytics. Through systematic bug fixes and code cleanups, he ensured the platform’s resilience, enabling accurate, efficient, and extensible GIS data processing.

Overall Statistics

Feature vs Bugs

35%Features

Repository Contributions

322Total
Bugs
135
Commits
322
Features
73
Lines of code
33,448
Activity Months16

Work History

January 2026

56 Commits • 10 Features

Jan 1, 2026

January 2026 recap for Giswater/giswater_dbmodel: Focused on strengthening data integrity, performance, and reporting capabilities. Delivered a cleaned codebase, updated documentation, robust referential integrity (minsector_id, supplyzone_id, omunit, dma_id), performance-oriented indexing, and enhanced geospatial utilities. Also improved update handling, visit tracking, sample data generation controls, and introduced analytics capabilities (DMA graph, mincut/minsector stats) to enable deeper operational insight and faster, reliable reporting.

December 2025

14 Commits • 3 Features

Dec 1, 2025

December 2025 Monthly Summary for Giswater/giswater_dbmodel. Focused on strengthening data integrity, robustness, and modeling capabilities for rainfall and drainage systems, delivering core schema enhancements and reliable data processing to support scalable forecasting and calibration workflows.

November 2025

7 Commits • 2 Features

Nov 1, 2025

November 2025 focused on strengthening data integrity and operational resilience for Giswater/giswater_dbmodel. Delivered a database consistency management function with enhanced error messaging and rebuilt workflow support for constraints, views, and triggers across schema updates. Hardened update scripts to reduce failures using CASCADE on drops and ON CONFLICT DO NOTHING on inserts. Fixed a critical Sys_fprocess query bug affecting graph delimiter handling to restore accurate data retrieval. These efforts reduced maintenance overhead, improved data reliability, and clarified guidance for schema evolution.

October 2025

2 Commits

Oct 1, 2025

Concise monthly summary for October 2025 (Giswater/giswater_dbmodel): Focused on data integrity improvements in topology sector node detection and associated code quality. Delivered targeted bug fix to ensure accurate detection of duplicate nodes within topology sectors, enhancing the reliability of spatial analysis and downstream decision-making.

September 2025

44 Commits • 11 Features

Sep 1, 2025

September 2025 (Giswater/giswater_dbmodel) delivered targeted psector restoration and data-model improvements, along with significant view-layer and UI refinements. Key outcomes include: psector restoration and recovery workflow improvements; enhanced getselectors; a new toolbox function to update attributes for selected arcs; propagation of psector state to parent views with improved selector behavior; and DDL view enhancements leveraging p_state and removal of schema name. These changes reduce manual intervention, improve data integrity, and accelerate planning analyses. The month also included stabilization fixes across the DML layer, UI form validations, localization improvements, and broader symbology improvements, demonstrating strong Python data-model work, Qt/QML/UI polish, SQL/view optimizations, and comprehensive testing.

August 2025

2 Commits

Aug 1, 2025

For 2025-08, Giswater/giswater_qgis_plugin focused on stabilizing user experience and data access through two targeted bug fixes. These changes reduce user confusion, improve data integrity, and lay groundwork for predictable behavior in production.

July 2025

19 Commits • 8 Features

Jul 1, 2025

July 2025 monthly summary for Giswater/giswater_dbmodel: Delivered core analytics enhancements, security improvements, and workflow reliability improvements to enable richer historical insights and safer data access across analytical modules. Implemented average pressure calculation for exploitation data, DMA graph support with new schema and JSON representations, and a Run Failed status for report generation to improve failure visibility. Strengthened security by standardizing permissions for analytical tables. Enhanced macro map analytics, expanded meter data modeling, and refined plan sector and topocontrol workflows. Early bug fixes improved data integrity and system stability, including topology and data type handling, and ensured proper example data configurations. Maintained release hygiene with repository organization and version bump.

June 2025

34 Commits • 8 Features

Jun 1, 2025

June 2025 performance summary for Giswater/giswater_dbmodel focusing on reliability, performance, and maintainability of the model layer. Delivered feature-rich CM triggers, extended CSO parameter handling, robust CSO algorithm enhancements, dynamic trigger stabilization, and code quality improvements. Results include safer trigger management, richer configuration for CSO scenarios, improved algorithm resilience and performance, and cleaner project structure enabling faster future iterations.

May 2025

3 Commits • 2 Features

May 1, 2025

May 2025 monthly summary for Giswater/giswater_dbmodel: Two major features delivered to improve onboarding, data precision, and maintainability. Graph Analytics Documentation and Guidance Improvements clarified mapzones analysis configuration and potential auto-triggering, and standardized documentation for the graph analytics init network SQL function. CSO Overflow Model Data Precision Enhancement refined the cso_out_vol data model by constraining numeric fields to 3 decimal places, improving precision and consistency across volume calculations. These changes reduce ambiguity, improve data quality, and enable smoother adoption of Graph Analytics workflows.

April 2025

44 Commits • 8 Features

Apr 1, 2025

April 2025 (2025-04) monthly summary for Giswater/giswater_dbmodel focused on stabilizing Web Services workflows, dynamic data handling, and architectural cleanup to enable scalable growth and reliable data processing. Key features delivered center on Flwreg integration and ws elementization, dynamic trigger capabilities, and geometry/type improvements, underpinned by targeted bug fixes and maintainability work. The work sets a solid foundation for WS-based integrations and future performance optimizations.

March 2025

11 Commits • 2 Features

Mar 1, 2025

March 2025 monthly summary for Giswater/giswater_dbmodel: Focused on data integrity, test stability, and flexible analytics across the GISWater DB model. Delivered a safer temporary table lifecycle, standardized sample data, upgraded test environment compatibility, and introduced capabilities for advanced labeling and custom date periods in water balance, while cleaning up permissions and refining catalog queries. These changes reduce production risk, improve data reliability, and enable more accurate GIS analytics and reporting.

February 2025

28 Commits • 7 Features

Feb 1, 2025

February 2025 monthly summary for Giswater/giswater_dbmodel: Delivered significant reliability and developer-focused improvements across the Check Data pipeline, ETL stability, TRG workflow, and user-facing visibility. The work enhances data quality, reduces operational risk, and expands analytical capabilities, enabling faster feature delivery and more accurate reporting.

January 2025

33 Commits • 7 Features

Jan 1, 2025

January 2025 performance summary for Giswater/giswater_dbmodel. Substantial improvements in data-validation workflow, utility consolidation, and auditability, paired with role-based UI enhancements and broad stability fixes. Key features delivered modernize the Check Data path, centralize utilities for pg2epa_check_data, strengthen logging/audit, and improve DDL/DDLView reliability, contributing to more reliable data processing and faster onboarding for new workflows.

December 2024

22 Commits • 4 Features

Dec 1, 2024

December 2024 — Giswater/giswater_dbmodel: Delivered a set of high-value features, robust fixes, and performance-focused improvements across GIS data modeling. Implemented dynamic workflow refactor for check_data, expanded labeling capabilities, and added subcatchments with geometric parameters. Stabilized core data processing through targeted bug fixes (check_data, labeling, DML, GetClosestAddress, node topology) and introduced feature toggles and unified utils to improve maintainability and reduce incidents. Result: faster, more reliable data validation, enhanced topology integrity, and configurable workflows supporting scalable GIS analytics.

November 2024

2 Commits

Nov 1, 2024

Concise monthly summary for 2024-11 focused on Giswater/giswater_dbmodel. The month centered on stabilizing data workflows and removing configurations that could drift, with measurable improvements to error handling and system reliability. No new features delivered this month; primary value came from bug fixes and stability improvements that reduce support load and improve data integrity.

October 2024

1 Commits • 1 Features

Oct 1, 2024

2024-10 monthly summary: Delivered a proximity-aware MoveConnec geometry update in Giswater/giswater_dbmodel. Refactored the moveconnec logic to account for connection position relative to arcs and plot layers, improving spatial relationship accuracy and precision of network element geometry updates. This enhances data quality for GIS analyses and downstream workflows, reducing misalignment risk in parcel-arc relationships and laying groundwork for future improvements.

Activity

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Quality Metrics

Correctness86.6%
Maintainability84.8%
Architecture81.2%
Performance78.0%
AI Usage20.4%

Skills & Technologies

Programming Languages

PL/SQLPL/pgSQLPLpgSQLPythonQMLSQL

Technical Skills

Backend DevelopmentBug FixCode FormattingCode RefactoringCode RenamingDDLData ManagementData ModelingData QualityData ValidationDatabaseDatabase AdministrationDatabase DesignDatabase DevelopmentDatabase Management

Repositories Contributed To

2 repos

Overview of all repositories you've contributed to across your timeline

Giswater/giswater_dbmodel

Oct 2024 Jan 2026
15 Months active

Languages Used

PLpgSQLSQLPL/pgSQLPL/SQLPythonQML

Technical Skills

Database DevelopmentGISPLpgSQLPostGISSQLDatabase Management

Giswater/giswater_qgis_plugin

Aug 2025 Aug 2025
1 Month active

Languages Used

PythonSQL

Technical Skills

Bug FixCode RefactoringDatabase ManagementRefactoring

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