Github user dyozie commented on a diff in the pull request:
https://github.com/apache/incubator-hawq-docs/pull/77#discussion_r94511080
--- Diff: plext/using_plpython.html.md.erb ---
@@ -2,374 +2,608 @@
title: Using PL/Python in HAWQ
---
-This section contains an overview of the HAWQ PL/Python language extension.
+This section provides an overview of the HAWQ PL/Python procedural
language extension.
## <a id="abouthawqplpython"></a>About HAWQ PL/Python
-PL/Python is a loadable procedural language. With the HAWQ PL/Python
extension, you can write HAWQ user-defined functions in Python that take
advantage of Python features and modules to quickly build robust database
applications.
+PL/Python is embedded in your HAWQ product distribution or within your
HAWQ build if you chose to enable it as a build option.
+
+With the HAWQ PL/Python extension, you can write user-defined functions in
Python that take advantage of Python features and modules, enabling you to
quickly build robust HAWQ database applications.
HAWQ uses the system Python installation.
### <a id="hawqlimitations"></a>HAWQ PL/Python Limitations
-- HAWQ does not support PL/Python triggers.
+- HAWQ does not support PL/Python trigger functions.
- PL/Python is available only as a HAWQ untrusted language.
## <a id="enableplpython"></a>Enabling and Removing PL/Python Support
-To use PL/Python in HAWQ, you must either use a pre-compiled version of
HAWQ that includes PL/Python or specify PL/Python as a build option when
compiling HAWQ.
+To use PL/Python in HAWQ, you must either install a binary version of HAWQ
that includes PL/Python or specify PL/Python as a build option when compiling
HAWQ from source.
+
--- End diff --
Change "when compiling" -> "when you compile"
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