Github user srowen commented on a diff in the pull request:
https://github.com/apache/spark/pull/16013#discussion_r89686280
--- Diff:
mllib/src/main/scala/org/apache/spark/ml/feature/SQLTransformer.scala ---
@@ -32,9 +32,11 @@ import org.apache.spark.sql.types.StructType
* the output, it can be any select clause that Spark SQL supports. Users
can also
* use Spark SQL built-in function and UDFs to operate on these selected
columns.
* For example, [[SQLTransformer]] supports statements like:
+ * {{{
* - SELECT a, a + b AS a_b FROM __THIS__
* - SELECT a, SQRT(b) AS b_sqrt FROM __THIS__ where a > 5
* - SELECT a, b, SUM(c) AS c_sum FROM __THIS__ GROUP BY a, b
+ * }}}
--- End diff --
Take out the leading "-" if you do this
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