Asynchronous mail delivery using que

Queuemetrics Reporting Interface

Make logs queryable, just like you would query any other activerecord table

Move query code from ActiveRecord models into query objects, because database query code do not belong in the model.

This gem provides DSL to write custom complex filters for ActiveRecord models

Parse filters (or something else) from pretty human readable query string to hash

Client for the radar query interface

This gem provides additional functionality on your query objects. It will filter and paginate your query by supplying an option

Match the number of queries performed in any block of code

This gem provides tools to analyze your queries based on custom rules and detect bad queries.

a querying language for the internet

This gem provides tools to analyze your queries based on custom rules.

This gem extracts params given as a hash to structured data, that can be used when creating queries

This library helps to find where in your rails app sql query was run.

(DEPRECATED use active-record-query-count instead) Display an overview of quantity of queries and their origin in Rails applications.

QueryWise is a lightweight, developer-friendly tool that helps Ruby on Rails teams detect, analyze, and fix inefficient database queries. Automatically detect N+1 queries, slow queries, and missing indexes without needing heavy, expensive Application Performance Monitoring (APM) software.

Ruby client for QuestBack's SOAP API.

A QuickBooks QBXML wrapper for Ruby

Implements Law of Demeter by mapping associated record attributes as own attributes (one-way read-only). Consequently, speeds up SQL queries by removing joins queries between intermediary models, at the cost of slower writes. This is an anti-normalization pattern in favour of actual data-redundancy and faster queries. Use this only as necessary.

Describe randomness and watch it blend