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Computer-assisted CCL to SQL Conversion

Home Page: https://jeremyrsellars.github.io/cecil/

Clojure 86.12% Batchfile 0.90% HTML 9.52% CSS 0.69% PowerShell 0.18% C# 2.59%

cecil's Introduction

Cecil

Cecil is a library that can partially convert Cerner CCL query syntax to PL/SQL for processing on the Oracle RDBMS.

It also offers some SQL style conversion tools.

Background

The CCL language offers functions and capabilities that Oracle SQL does not. Cecil only aims to support converting a few common functions, and in cases where a CCL function isn't converted, it is left intact. CCL has both declarative and imperative constructs and Cecil is only intended to convert the declarative query syntax.

Still, there are SQL-compatible substitutions that may be made. This is where Cecil can help.

See src/cecil/README.md

Development/API

Because the core of Cecil is implemented in cross-platform Clojure (.cljc), it can be fitted for use with JavaScript, Java VM, and the .NET Framework.

An example C#/.Net utility is provided. See src/Cecil.Net/README.md.

If you do want to hack on Cecil, let me know in person, or by github issue.

cecil's People

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cecil's Issues

Include CODE_SET filter in UAR_GET_CODE_BY translation

In approximately 1.22% of CKIs, a CKI can be in multiple code_sets, so it is not sufficient to only check cki=:cki and active_ind=1. Needs to include code_set to avoid returning multiple rows.

Hangs forever when reflowing or translating empty strings

Reflowing

  select
    r.*
  from re r
  where
    r.r > ""
  order by
    r.a,
    r.b
...
seems to enter an infinite loop in JS.

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