[jira] [Commented] (SPARK-12691) Multiple unionAll on Dataframe seems to cause repeated calculations in a "Fibonacci" manner

[ https://issues.apache.org/jira/browse/SPARK-12691?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15096247#comment-15096247 ] Allen Liang commented on SPARK-12691: - Hi Bo Meng, do you have any comments in response to my reply.

[jira] [Commented] (SPARK-12691) Multiple unionAll on Dataframe seems to cause repeated calculations in a "Fibonacci" manner

[ https://issues.apache.org/jira/browse/SPARK-12691?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15090896#comment-15090896 ] Allen Liang commented on SPARK-12691: - Hi Bo Meng, I understand you point, but why size of dataframe

[jira] [Commented] (SPARK-12691) Multiple unionAll on Dataframe seems to cause repeated calculations in a "Fibonacci" manner

[ https://issues.apache.org/jira/browse/SPARK-12691?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15090906#comment-15090906 ] Allen Liang commented on SPARK-12691: - Hi Bo Meng, I understand your point, but I don't think this

[jira] [Commented] (SPARK-12691) Multiple unionAll on Dataframe seems to cause repeated calculations in a "Fibonacci" manner

[ https://issues.apache.org/jira/browse/SPARK-12691?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15090908#comment-15090908 ] Allen Liang commented on SPARK-12691: - Hi Bo Meng, I understand your point, but I don't think this

[jira] [Commented] (SPARK-12691) Multiple unionAll on Dataframe seems to cause repeated calculations in a "Fibonacci" manner

[ https://issues.apache.org/jira/browse/SPARK-12691?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15088354#comment-15088354 ] Bo Meng commented on SPARK-12691: - I believe this is not a bug. "unionAll" is equal to "UNION ALL" in SQL