Timescale exercise

Prerequisites

1. Install Docker, if you don't already have it. For packages and instructions, see the Docker installation documentation
2. Install go, if you don't already have it. For versions and instructions, see the Download and install documentation

Setup

1. Setup the database

   Run the following makefile target:

   • make start-database

2. Build the application

   Run the following makefile target to generate a binary named app

   • make build

Running the application

Run the application in your terminal as below:

./app -queryParams query_params.csv -goroutineCount 2

There are additional flags you can pass to the application, the full list is below:

Name	Default	Type	Description
queryParams	query_params.csv	string	Path to the input csv
verbose	false	bool	Enable verbose logging
goroutineCount	2	int	The number of goroutines to use
dbHost	localhost	string	The database host
dbName	homework	string	The database name
dbUser	postgres	string	The database user
dbPassword	password	string	The database password
dbSSLMode	disable	string	The database sslmode

Running the tests

Run the following makefile target to runs the tests:

make test

Clean up

Run the following makefile target to stop the database:

make stop-database