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https://issues.apache.org/jira/browse/DRILL-4733?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15342268#comment-15342268
]
ASF GitHub Bot commented on DRILL-4733:
---------------------------------------
Github user amansinha100 commented on a diff in the pull request:
https://github.com/apache/drill/pull/531#discussion_r67914754
--- Diff:
exec/java-exec/src/test/java/org/apache/drill/exec/store/TestImplicitFileColumns.java
---
@@ -110,4 +111,20 @@ public void testImplicitColumnsForParquet() throws
Exception {
.go();
}
+ @Test // DRILL-4733
+ public void testMultilevelParquetWithSchemaChange() throws Exception {
+ try {
+ test("alter session set `planner.enable_decimal_data_type` = true");
--- End diff --
Why is decimal type relevant for this particular test ?
> max(dir0) reading more columns than necessary
> ---------------------------------------------
>
> Key: DRILL-4733
> URL: https://issues.apache.org/jira/browse/DRILL-4733
> Project: Apache Drill
> Issue Type: Bug
> Components: Query Planning & Optimization, Storage - Parquet
> Affects Versions: 1.7.0
> Reporter: Rahul Challapalli
> Assignee: Arina Ielchiieva
> Priority: Critical
> Fix For: 1.7.0
>
> Attachments: bug.tgz
>
>
> The below query started to fail from this commit :
> 3209886a8548eea4a2f74c059542672f8665b8d2
> {code}
> select max(dir0) from dfs.`/drill/testdata/bug/2016`;
> Error: UNSUPPORTED_OPERATION ERROR: Streaming aggregate does not support
> schema changes
> Fragment 0:0
> [Error Id: b0060205-e9a6-428a-9803-7b4312b2c6f4 on qa-node190.qa.lab:31010]
> (state=,code=0)
> {code}
> The sub-folders contains files which do have schema change for one column
> "contributions" (int32 vs double). However prior to this commit we did not
> fail in the scenario. Log files and test data are attached
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