Calcite - Convention

About

A convention is a type of trait

They are used to represent a single data source

Inputs to a relational expression must be in the same convention

A convention is associated with a RelNode interface

• JdbcConvention,
• EnumerableConvention,
• Spark Convention,
• …

Articles Related

Example

Documentation / Reference

• https://www.slideshare.net/JordanHalterman/introduction-to-apache-calcite