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docs: describe histogrammar usage for spark compiled with scala 2.13 #283

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docs: describe histogrammar usage for spark compiled with scala 2.13 #283

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10 changes: 6 additions & 4 deletions README.rst
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Expand Up @@ -24,19 +24,21 @@ using monitoring business rules.
Announcements
=============

Spark 3.0
Spark 3.X
---------

With Spark 3.0, based on Scala 2.12, make sure to pick up the correct `histogrammar` jar files:
With Spark 3.X, based on Scala 2.12 or 2.13, make sure to pick up the correct histogrammar jar files:

.. code-block:: python

spark = SparkSession.builder.config(
"spark.jars.packages",
"io.github.histogrammar:histogrammar_2.12:1.0.20,io.github.histogrammar:histogrammar-sparksql_2.12:1.0.20",
"io.github.histogrammar:histogrammar_2.12:1.0.30,io.github.histogrammar:histogrammar-sparksql_2.12:1.0.30",
).getOrCreate()

For Spark 2.X compiled against scala 2.11, in the string above simply replace 2.12 with 2.11.

For Scala 2.13, in the string above simply replace "2.12" with "2.13".
For Spark 2.X compiled against Scala 2.11, replace "2.12" with "2.11" and "1.0.30" with "1.0.20".

Examples
========
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