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| author | Wenchen Fan <wenchen@databricks.com> | 2016-03-25 20:19:04 +0800 |
|---|---|---|
| committer | Cheng Lian <lian@databricks.com> | 2016-03-25 20:19:04 +0800 |
| commit | e9b6e7d8577cd721a433130f29e8b112d98768b9 (patch) | |
| tree | ebafcac42412b9411271d36088cf4e3c1313ada5 /dev | |
| parent | 70a6f0bb57ca2248444157e2707fbcc3cb04e3bc (diff) | |
| download | spark-e9b6e7d8577cd721a433130f29e8b112d98768b9.tar.gz spark-e9b6e7d8577cd721a433130f29e8b112d98768b9.tar.bz2 spark-e9b6e7d8577cd721a433130f29e8b112d98768b9.zip | |
[SPARK-13456][SQL][FOLLOW-UP] lazily generate the outer pointer for case class defined in REPL
## What changes were proposed in this pull request?
In https://github.com/apache/spark/pull/11410, we missed a corner case: define the inner class and use it in `Dataset` at the same time by using paste mode. For this case, the inner class and the `Dataset` are inside same line object, when we build the `Dataset`, we try to get outer pointer from line object, and it will fail because the line object is not initialized yet.
https://issues.apache.org/jira/browse/SPARK-13456?focusedCommentId=15209174&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-15209174 is an example for this corner case.
This PR make the process of getting outer pointer from line object lazy, so that we can successfully build the `Dataset` and finish initializing the line object.
## How was this patch tested?
new test in repl suite.
Author: Wenchen Fan <wenchen@databricks.com>
Closes #11931 from cloud-fan/repl.
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