9 Repos
Programmatic helpers for constructing complex conditional logic and arithmetic filters for queries.
Distinct from Expression-Based Data Querying: Candidates focus on string-based expressions or caching, not the programmatic building of logic helpers.
Explore 9 awesome GitHub repositories matching data & databases · Query Expression Builders. Refine with filters or upvote what's useful.
Doctrine ORM is a PHP object-relational mapper that connects application objects to relational database tables. It uses the data mapper and identity map patterns to decouple the in-memory object model from the database schema, allowing developers to manage data persistence without writing manual SQL. The project features a dedicated object-oriented query language and programmatic builder for retrieving data based on entities rather than tables. It implements a unit-of-work system to track object changes during a request and synchronize them via atomic transactions. The capability surface inc
Provides a set of expression helpers to build dynamic conditional logic for query filters.
This project is a SQL database abstraction layer that provides a consistent object-oriented interface for interacting with multiple relational database systems. It includes a driver wrapper to standardize connections and result sets, a fluent query builder for constructing portable SQL statements, and a type mapper for converting database-specific data types into native application types and vice versa. The library enables programmatic schema management through a schema manager that can introspect database metadata, model structures as objects, and generate the SQL required to migrate between
Includes a dedicated expression builder for generating nested logic and comparison snippets for SQL filters.
pysheeet ist eine technische Referenzbibliothek, die eine kuratierte Sammlung von Code-Snippets und Implementierungsmustern für fortgeschrittene Python-Entwicklung, Systemintegration und High-Performance-Computing bereitstellt. Sie dient als umfassender Leitfaden für die Implementierung von Low-Level-Netzwerkprogrammierung, nativen C-Erweiterungen sowie asynchroner und nebenläufiger Programmierung. Das Projekt bietet spezialisierte Frameworks für die Entwicklung und Bereitstellung von Large Language Models, einschließlich Werkzeugen für verteilte GPU-Inferenz und High-Performance-Serving. Es enthält zudem detaillierte Muster für die Orchestrierung von High-Performance-Computing-Clustern, die GPU-Ressourcenzuweisung und Multi-Node-Workload-Management abdecken. Die Bibliothek deckt ein breites Spektrum an Funktionen ab, einschließlich sicherer Netzwerkkommunikation und Kryptografie, Object-Relational-Mapping und Datenbankverwaltung sowie die Implementierung komplexer Datenstrukturen und Algorithmen. Sie bietet zudem Utilities für Speicherverwaltung, native Interoperabilität via Foreign-Function-Interfaces und systemnahe OS-Integration.
Provides implementation patterns for conditional logic and CASE statements within database queries.
Pinot is a distributed, columnar analytical database designed for high-concurrency, low-latency query processing. It functions as a real-time OLAP datastore, enabling interactive, user-facing analytics by ingesting and querying massive datasets from both streaming and batch sources. The system architecture relies on a centralized controller for cluster coordination and a distributed segment-based storage model to ensure horizontal scalability. The platform distinguishes itself through a hybrid ingestion pipeline that unifies real-time event streams and historical batch data into a single quer
Implements conditional logic like CASE statements within database queries to return custom values.
Realm is a mobile database: an alternative to SQLite & key-value stores
Retrieves stored objects using expressive filters, sorting, and relationships without raw SQL.
Doctrine Collections is a PHP library that provides object-oriented abstractions for managing and manipulating groups of objects with array-like functionality. It wraps native PHP arrays in an object-oriented interface, enabling cleaner data manipulation through methods for filtering, mapping, and iteration. The library supports callback-driven transformation, applying a callback to every element and returning a new collection with the transformed values. It also enables criteria expression querying, allowing selection of matching elements by applying a criteria object with comparison express
Enables querying collections using criteria objects with comparison expressions for element selection.
Querydsl ist ein Framework für die Konstruktion typsicherer Abfragen. Es verwendet eine Fluent-API und annotationsbasierte Codegenerierung, um Spiegelklassen aus Domänenmodellen zu erstellen, was eine Validierung von Datenbankabfragen zur Kompilierzeit ermöglicht und die Notwendigkeit manueller String-Verkettung beseitigt. Das Projekt bietet eine einheitliche Abfragesyntax, die in spezifische Dialekte für mehrere Backends übersetzt wird, einschließlich SQL, MongoDB, Lucene und JDO. Es unterstützt fortgeschrittene Abfragefunktionen wie Common Table Expressions, Window-Funktionen, geospatiale Operationen und komplexe verschachtelte Subqueries. Über den Datenabruf hinaus deckt das Framework die typsichere DML-Ausführung für Massenaktualisierungen und -löschungen sowie das Result-Mapping in Java-Beans, Konstruktoren oder Tupel ab. Es beinhaltet Unterstützung für In-Memory-Collection-Abfragen und integriert sich in das Spring-Framework für Transaktionsmanagement und Verbindungsverwaltung.
Implements conditional logic like CASE statements within database queries using when-then-else structures.
FreeSql is a .NET object-relational mapper and data access layer that translates object-oriented code into SQL for multiple relational database providers. It functions as a fluent SQL query builder and database schema synchronizer, allowing developers to align database table and index structures with entity class definitions. The framework is specifically optimized for .NET Native AOT to ensure reduced memory footprints and faster startup times. It includes a database traffic manager to distribute load through read-write splitting, dynamic table sharding, and tenant-based data isolation. Bro
Provides the ability to retrieve records using lambda expressions for filtering, sorting, and pagination.
This project is a markdown-based personal knowledge base and digital learning journal used to store notes and summaries from books and technical literature. It serves as a reading summary repository and technical reference library for archiving key takeaways and insights from non-fiction and professional materials. The collection functions as a digital garden for curating insights from books, articles, and videos. It specifically focuses on distilling complex architectural patterns, technical concepts, and professional leadership principles into a searchable format for long-term reference. T
Describes the use of programmatic helpers to build complex retrieval requests through method chaining.