7 repositorios
SQL functions for pattern matching, extraction, and replacement on string data.
Distinct from Regular Expressions: Nothing in the shortlist fits the SQL-specific context; minting under Data & Databases.
Explore 7 awesome GitHub repositories matching data & databases · Regular Expression Functions. Refine with filters or upvote what's useful.
Presto is a distributed SQL query engine designed for high-performance analytical processing across heterogeneous data sources. It functions as a data federation platform and massively parallel processing engine, allowing users to execute interactive queries against diverse storage systems without requiring data migration. By mapping remote metadata and structures to a unified relational namespace, it enables seamless cross-platform analysis through a standard SQL interface. The engine distinguishes itself through a pluggable connector architecture and a shared-nothing distributed processing
Executes pattern matching and text manipulation using regular expressions within SQL.
Gel is an object-relational database system that models data as a graph of interconnected objects. By utilizing a strongly typed schema, it enables complex relational queries and polymorphic data structures without the need for traditional join tables. The system integrates native vector storage and similarity search operators, allowing it to function as both a relational and a vector database for semantic data retrieval. The platform distinguishes itself through a comprehensive suite of developer-centric automation tools. It features a declarative migration system that tracks and versions sc
Provides standard regular expression support for pattern matching and text replacement on string data.
SQLAlchemy is a comprehensive Python SQL toolkit and object-relational mapper that provides a full suite of tools for interacting with relational databases. It serves as a foundational layer for database connectivity, offering both a high-level object-oriented interface for data persistence and a programmatic SQL expression language for constructing complex, dialect-agnostic queries. The project distinguishes itself through its sophisticated unit of work persistence, which coordinates atomic transactions and tracks object state changes to minimize redundant database operations. It provides a
Enables pattern matching within queries by registering functions that the database engine can invoke during execution.
Apache DataFusion is an extensible, columnar SQL query engine that runs embedded within a host application without requiring a separate server process. It processes data in columnar batches using Apache Arrow for memory-efficient analytics, and can scale analytic workloads across multiple nodes for parallel execution. The engine supports both SQL and DataFrame queries through a modular, streaming architecture that allows custom operators, data sources, functions, and optimizer rules. The engine distinguishes itself through its modular extension framework, which enables building custom query e
Applies built-in functions for nested types, cryptography, date/time, encoding, regular expressions, and Unicode operations.
SQLiteStudio is an open-source graphical tool for browsing, editing, and managing SQLite database files. It combines a full-featured SQL editor with syntax highlighting, a visual database schema designer for creating entity-relationship diagrams, and a plugin-based extensibility platform that allows adding custom functionality through C/C++, JavaScript, Tcl, or Python. The application distinguishes itself through its multi-language scripting engine, which embeds JavaScript, Tcl, and Python interpreters to enable user-defined functions and scripts within SQL queries. It supports encrypted data
Enables the REGEXP operator in SQL for pattern matching within queries.
Este proyecto es un polyfill de compatibilidad de PHP diseñado para realizar backport de funciones y constantes principales de PHP 7.2 a versiones anteriores del lenguaje. Sirve como una extensión de la biblioteca estándar de PHP y backport de versión, proporcionando una capa de compatibilidad que llena los vacíos en el núcleo de PHP para asegurar un comportamiento consistente en diferentes entornos. La biblioteca permite la portabilidad de código entre versiones implementando funciones de la biblioteca estándar faltantes, permitiendo que las características del lenguaje más nuevas se ejecuten en entornos PHP heredados. Esto asegura que las aplicaciones puedan mantener una interfaz consistente y permanecer compatibles con las bibliotecas actuales incluso cuando se ejecutan en versiones obsoletas.
Allows adding custom functions to an expression engine by registering providers.
FreeSql es un mapeador objeto-relacional (ORM) y capa de acceso a datos para .NET que traduce código orientado a objetos a SQL para múltiples proveedores de bases de datos relacionales. Funciona como un constructor de consultas SQL fluido y sincronizador de esquemas de base de datos, permitiendo a los desarrolladores alinear las estructuras de tablas e índices de la base de datos con las definiciones de clases de entidad. El framework está optimizado específicamente para .NET Native AOT para garantizar huellas de memoria reducidas y tiempos de inicio más rápidos. Incluye un gestor de tráfico de base de datos para distribuir la carga a través de división de lectura-escritura, fragmentación de tablas dinámica y aislamiento de datos basado en inquilinos. Las capacidades amplias incluyen ingesta de datos de alto rendimiento utilizando mecanismos de copia masiva específicos del proveedor, consultas avanzadas con funciones de ventana y CTEs recursivos, y monitoreo basado en AOP para auditar cambios de datos. El sistema también proporciona herramientas de gestión de esquemas para migraciones automatizadas y utilidades de desarrollo para generar clases de entidad a partir de metadatos de base de datos.
Maps extension methods to specific database functions to support specialized syntax in queries.