Reactions

Available Reaction plugins for drasi-lib

Reactions respond to changes in Continuous Query results and trigger actions, such as sending webhooks, logging, updating databases, or calling back into your application. Each Reaction is a separate crate that you add to your Cargo.toml as needed. The full list of Reactions is available on GitHub.

Available Reactions

Application

Handle query result changes directly in your application code

gRPC

Stream query results via gRPC to external services

HTTP

Send webhooks to external endpoints on query result changes

Log

Output query result changes to console with configurable templates

MySQL Stored Proc

Execute MySQL stored procedures on query result changes

PostgreSQL Stored Proc

Execute PostgreSQL stored procedures on query result changes

Profiler

Collect performance metrics for query execution

SQL Server Stored Proc

Execute SQL Server stored procedures on query result changes

SSE

Server-Sent Events for browser and client streaming

Building Custom Reactions

If you need to integrate with a system not covered by the available Reactions, implement the Reaction trait yourself, or have an AI agent do it for you:

Creating Custom Sources and Reactions

The Reaction trait, recovery policies, and a worked example

Source and Reaction Creation Agents

Let a Copilot agent plan, build, test, and document the plugin

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