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ankane/groupdate

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3,888 stars·238 forks·Ruby·MIT·8 vues

Groupdate

Groupdate est un outil d'agrégation de séries temporelles et de regroupement par date pour PostgreSQL. Il fournit un ensemble de fonctions SQL pour regrouper et agréger des enregistrements temporels dans des compartiments discrets, tels que des jours, des semaines ou des mois, afin de calculer des sommes et des moyennes pour des rapports.

Le projet se concentre sur la garantie de chronologies continues grâce au remplissage des lacunes dans les séries temporelles, qui insère des valeurs par défaut pour les périodes où aucune donnée n'existe. Il inclut également un formateur de données temporelles qui convertit les clés date-heure regroupées en chaînes localisées ou en motifs de formatage personnalisés.

L'outil couvre de larges opérations sur les données temporelles, y compris le filtrage par plage de temps et l'extraction de composants calendaires, comme le regroupement de données par jour de la semaine. Il prend également en charge les calculs tenant compte des fuseaux horaires pour aligner le regroupement avec les jours calendaires locaux.

Features

  • Time-Series Aggregations - Provides SQL functions to calculate computational summaries like averages and sums over time-indexed data buckets.
  • Time Bucketing - Aggregates data into fixed time windows by slicing the timeline into discrete calendar buckets.
  • Génération de séquences temporelles - Generates complete date ranges to represent periods with no data in the final result set.
  • Temporal Range Filtering - Implements mechanisms to limit data aggregation to specific absolute or relative time windows.
  • Null Value Filling - Fills gaps in time series by including periods without data and assigning default values.
  • Time-Series Extensions - Provides a PostgreSQL extension for grouping and aggregating temporal data into discrete buckets.
  • SQL Date and Time Manipulation - Provides SQL functions for handling time-based bucketing, gap filling, and time zone calculations.
  • Time Series Imputation - Ensures continuous timelines by filling missing temporal periods with default values.
  • Analyse des composantes du calendrier - Organizes time-based data by calendar components like day of the week to find patterns.
  • Dynamic Grouping - Adjusts time-based aggregation intervals at runtime based on user input.
  • Temporal Formatters - Converts grouped date-time keys into localized strings or custom formatting patterns.
  • Résolution de granularité dynamique - Determines grouping granularity at execution time by mapping input variables against permitted time units.
  • Time Zone Conversions - Adjusts timestamps based on defined time zones to ensure alignment with local calendar days.
  • Extraction de composantes temporelles - Groups data by specific calendar parts, such as the day of the week or month.
  • Custom Date-Time Format Patterns - Transforms raw date objects into human-readable strings using customizable format patterns.
  • Intervalles de regroupement dynamiques - Determines grouping intervals at runtime using variables and a permit list to restrict allowed units.
  • Date and Time Formatting - Converts grouped temporal keys into human-readable strings or localized formats.
  • Gestion des données - Manages temporal data.
  • Date and Time Processing - Group temporal data across various data structures and ORMs.

Historique des stars

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Questions fréquentes

Que fait ankane/groupdate ?

Groupdate est un outil d'agrégation de séries temporelles et de regroupement par date pour PostgreSQL. Il fournit un ensemble de fonctions SQL pour regrouper et agréger des enregistrements temporels dans des compartiments discrets, tels que des jours, des semaines ou des mois, afin de calculer des sommes et des moyennes pour des rapports.

Quelles sont les fonctionnalités principales de ankane/groupdate ?

Les fonctionnalités principales de ankane/groupdate sont : Time-Series Aggregations, Time Bucketing, Génération de séquences temporelles, Temporal Range Filtering, Null Value Filling, Time-Series Extensions, SQL Date and Time Manipulation, Time Series Imputation.

Quelles sont les alternatives open-source à ankane/groupdate ?

Les alternatives open-source à ankane/groupdate incluent : apache/pinot — Pinot is a distributed, columnar analytical database designed for high-concurrency, low-latency query processing. It… timescale/timescaledb — TimescaleDB is an open-source PostgreSQL extension that adds native time-series capabilities to the database. At its… h2database/h2database — H2 is a JDBC-compliant relational database management system written in Java. It functions as an embeddable SQL… dromara/carbon — Carbon is a Go library for semantic date and time calculations, formatting, and parsing. It provides a semantic… awslabs/gluonts — GluonTS is a probabilistic time series library and deep learning forecasting framework. It provides a toolkit for… apache/iotdb — Apache IoTDB is a time-series database designed for the Internet of Things, purpose-built to ingest high-volume data…