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https://issues.apache.org/jira/browse/DRILL-7278?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16854856#comment-16854856
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ASF GitHub Bot commented on DRILL-7278:
---------------------------------------
arina-ielchiieva commented on pull request #1797: DRILL-7278: Refactor result
set loader projection mechanism
URL: https://github.com/apache/drill/pull/1797#discussion_r289945691
##########
File path:
exec/java-exec/src/main/java/org/apache/drill/exec/physical/rowSet/project/ProjectionType.java
##########
@@ -53,13 +109,26 @@ public static ProjectionType typeFor(MajorType majorType)
{
if (majorType.getMode() == DataMode.REPEATED) {
return ARRAY;
}
+ if (majorType.getMinorType() == MinorType.LIST) {
+ return ARRAY;
+ }
return SCALAR;
}
- public boolean isCompatible(ProjectionType other) {
- switch (other) {
+ /**
+ * Reports if this type (representing an item in a projection list)
+ * is compatible with the projection type representing an actual
+ * column produced by an operator. The check is not symmetric.
Review comment:
`The check is not symmetric.` could you please explain this part?
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> Refactor result set loader projection mechanism
> -----------------------------------------------
>
> Key: DRILL-7278
> URL: https://issues.apache.org/jira/browse/DRILL-7278
> Project: Apache Drill
> Issue Type: Improvement
> Affects Versions: 1.16.0
> Reporter: Paul Rogers
> Assignee: Paul Rogers
> Priority: Major
> Fix For: 1.17.0
>
>
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