Vertica Extension Packages
Copyright 2011 Vertica, an HP Company

This repository contains extension code (UDx) code to extend the
processing capabilities of the Vertica Analytic Database. 

You need the Vertica SDK to compile these programs and you need the
Vertica Analytic Database to run them.

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Submission guidelines:
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Any submission to this repository should contain:

1) A few sentences describing what your function does, written in
English.

2) The complete source code and build commands to build your
function. Ideally you would add your function to one of the existing
packages (listed below), or you can create your own package using the
contents of template_package as a guide.

3) REQUIRED: SQL example/tests showing your function in action. This
script should have sample input, and sample queries that demonstrate
how to use your function. The examples should be placed in
package_dir/examples


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Current packages
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string_functions: 
  Description: string manipulation functions
  Examples: EditDistance, StringTokenizer

web_functions
  Description: web log analysis functions
  Examples: ApacheParser, URIExtractor

compatlib_functions: 
  Description: Oracle compatibility functions (such as CONNECT_BY, TRANSPOSE)

template_package: 
  Description: template for new packages

tools:
  scripts to create and install packages (in process)
  Example: ./install_package -p <pkg_name>

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Future packages that need their build system cleaned up
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hive_functions: 
  Description: Partial implementation of UDTs that are shipped with apache Hiv
  Examples: get_json_object, xpathint, etc.
  https://cwiki.apache.org/confluence/display/Hive/LanguageManual+UDF
  Status: significant usefulness