Add support for singly-byte EBCDIC code pages for the Spark writer

[yruslan]

Background

Currently, only the basic and CP1144 code pages are supported for the EBCDIC data writer.

Feature

Add support for singly-byte EBCDIC code pages for the Spark writer.

Example [Optional]

--

Proposed Solution [Optional]

1. Measure the performance difference between:
   • Match-case approach used for CP1144,
   • Pre-compiled Hashmap,
   • Lazy evaluated character mapping array,
2. Chose the best performing implementation for code pages.