Github user rxin commented on a diff in the pull request:
https://github.com/apache/spark/pull/5900#discussion_r29644349
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/stat/StatFunctions.scala
---
@@ -102,9 +102,9 @@ private[sql] object StatFunctions extends Logging {
/** Generate a table of frequencies for the elements of two columns. */
private[sql] def crossTabulate(df: DataFrame, col1: String, col2:
String): DataFrame = {
val tableName = s"${col1}_$col2"
- val counts = df.groupBy(col1, col2).agg(col(col1), col(col2),
count("*")).take(1e8.toInt)
- if (counts.length == 1e8.toInt) {
- logWarning("The maximum limit of 1e8 pairs have been collected,
which may not be all of " +
+ val counts = df.groupBy(col1, col2).agg(col(col1), col(col2),
count("*")).take(1e6.toInt)
+ if (counts.length == 1e6.toInt) {
--- End diff --
we should also update the user facing javadoc/python docstring to say we
get max of 1 million entries ...
---
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at [email protected] or file a JIRA ticket
with INFRA.
---
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
