Contents:

1. Introduction
2. Naming Conventions
   • 2.1. Schema
   • 2.2. Functions & Aggregates
3. Functions and Languages
4. Function Name Overloading
5. Guide to Driver UDFs
   • 5.1. Input Definition
   • 5.2. Output Definition
   • 5.3. Logging
   • 5.4. Parameter Validation
   • 5.5. Multi-User and Multi-Session Execution
6. Support Modules
   • 6.1. DB connectivity module: plpy.py
   • 6.2. Python abstraction layer

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Introduction Introduction

1. Introduction

The purpose of this document is to define the SQL interface for MADlib algorithms.

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Naming Conventions Naming Conventions

2. Naming Conventions

Names should use lower case characters separated by underscores.

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