Github user ueshin commented on a diff in the pull request:
https://github.com/apache/spark/pull/21370#discussion_r191854703
--- Diff: python/pyspark/sql/dataframe.py ---
@@ -351,8 +352,70 @@ def show(self, n=20, truncate=True, vertical=False):
else:
print(self._jdf.showString(n, int(truncate), vertical))
+ @property
+ def eagerEval(self):
+ """Returns true if the eager evaluation enabled.
+ """
+ return self.sql_ctx.getConf(
+ "spark.sql.repl.eagerEval.enabled", "false").lower() == "true"
+
+ @property
+ def maxNumRows(self):
+ """Returns the max row number for eager evaluation.
+ """
+ return int(self.sql_ctx.getConf(
+ "spark.sql.repl.eagerEval.maxNumRows", "20"))
+
+ @property
+ def truncate(self):
--- End diff --
ditto.
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