Exalt SQL

Exalt SQL is a suplimented SQL language with Ruby built ontop of Presto.

Goals of Exalt SQL

• SQL is the main interface
• Easily supplement queries with for and while loops, if statements, etc.
• Keeps SQL queries simple

Backends

Currently the only backend supported is Presto but others such as Redshift or BigQuery are possible.

Running

1. Clone the repo
2. Edit config.yml with your Presto info
3. bundle install
4. ruby app.rb

Examples:

Subquery

data = query("select * from tpch.sf1.customer limit 50")
data = query("select count(*) AS cnt FROM #{data.table}")
data.show()