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From "Venkat, Ankam" <>
Subject RE: PL/HQL - Procedural SQL-on-Hadoop
Date Tue, 03 Mar 2015 01:39:53 GMT
Is there a simple way to migrate from PL/SQL to PL/HQL?


From: Dmitry Tolpeko []
Sent: Friday, February 27, 2015 1:36 PM
Subject: PL/HQL - Procedural SQL-on-Hadoop

Let me introduce PL/HQL, an open source tool that implements procedural SQL on Hadoop. It
is going to support all major procedural syntaxes. The tool can be used with any SQL-on-Hadoop


  *   Writing the driver code using well-known procedural SQL (not bash) that enables Hadoop
to even more wider audience
  *   Allowing dynamic SQL, iterations, flow-of-control and SQL exception handling
  *   Facilitating migration of RDBMS workload to Hadoop
Plans (besides extending syntax):

  *   Supporting CREATE PROCEDURE/FUNCTION/PACKAGE to reuse code
  *   Allowing connections to multiple databases (i.e. lookup tables in relational databases)
  *   On-the-fly SQL conversion (SELECT i.e.), compatibility layers
More details can be found at

It is just the first release PL/HQL 0.01 to show that such project exists and get any initial

Thank you,

Dmitry Tolpeko
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