Top Postgres Extensions

February 6th, 2023

0 min read

Postgres 101

PostgreSQL is a powerful open-source relational database that is known for its reliability, stability, and scalability. It is widely used by organizations of all sizes, from small startups to large enterprises, and offers a wide range of features and capabilities that can be extended to meet specific needs.

One of the strengths of Postgres is its support for extensions, which are additional software packages that provide new functionality or enhance existing features in Postgres. In this blog post, we will take a closer look at some of our favorite PostgreSQL extensions that can help you get the most out of your database.

pg_stat_statements: Query Performance

pg_stat_statements is one of the most popular extensions that provides performance statistics and allows you to monitor and optimize the performance of your queries. This extension provides detailed information about each SQL statement that is executed in your database, including the number of executions, the total execution time, and the average execution time. This information can help you identify performance bottlenecks and optimize your database configuration and queries. Postgres Monitor supports automatic monitoring of the pg_stat_statements view and visualizing query performance.

PostGIS: Spatial Data Made Easy

PostGIS provides support for geographic data and enables advanced geospatial analysis. With PostGIS, you can store, manage, and analyze spatial data, such as points, lines, and polygon shapes, directly in your PostgreSQL database. You can use PostGIS to create, edit, and query geographic data, perform spatial analysis, and visualize results in a variety of formats, including maps and charts. For example, you could query for the locations within 50 miles of a latitude and longitude pair.

hstore: Key-Value Data Storage

hstore is a data type extension that provides key-value data storage in your PostgreSQL database. With hstore, you can store and manage unstructured data, such as tags, preferences, or metadata, in a simple and efficient way. hstore is easy to use, fast, and flexible, and can be queried and manipulated with standard SQL commands.

Citus: Horizontal Scalability for Big Data

Citus is a horizontally scalable extension for Postgres that enables real-time big data processing with automatic sharding of your data. With Citus, you can distribute your data across multiple nodes and take advantage of parallel processing to handle large amounts of data and high concurrency. Citus is designed to be easy to use and works seamlessly with standard PostgreSQL clients and tools, so you can continue to use your existing database infrastructure and workflows.

TimescaleDB: Time-Series Data

TimescaleDB is an extension that provides time-series data management and advanced querying for Postgres. With TimescaleDB, you can store and analyze large amounts of time-series data, such as metrics, log data, or sensor readings, in a fast and efficient way. TimescaleDB is designed to be scalable and reliable, and provides a variety of tools and functions for working with time-series data, including data compression, indexing, and advanced querying.

pg_trgm (PostgreSQL Trigram) is an extension that provides support for trigram-based text similarity searches in Postgres. Trigrams are sequences of three characters in a string, and this extension uses them to perform approximate string matching based on the similarity of these sequences. With pg_trgm, you can perform fast searches for strings that are similar to a given pattern, even when the pattern is not an exact match. Some common use cases for pg_trgm include fuzzy text search, autocomplete functionality, and spelling correction.


These are just a few examples of the many PostgreSQL extensions available. Whether you need to manage spatial data, monitor performance, real-time data processing, or improve performance and scalability, there's an extension available that can help.

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