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https://issues.apache.org/jira/browse/DRILL-5546?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16135700#comment-16135700
]
ASF GitHub Bot commented on DRILL-5546:
---------------------------------------
Github user paul-rogers commented on a diff in the pull request:
https://github.com/apache/drill/pull/906#discussion_r134287696
--- Diff:
exec/java-exec/src/main/java/org/apache/drill/exec/physical/config/Project.java
---
@@ -35,9 +35,19 @@
static final org.slf4j.Logger logger =
org.slf4j.LoggerFactory.getLogger(Project.class);
private final List<NamedExpression> exprs;
+ /**
+ * {@link org.apache.drill.exec.planner.physical.ProjectPrel for the
meaning of flag 'outputProj'}
+ */
+ private boolean outputProj = false;
@JsonCreator
- public Project(@JsonProperty("exprs") List<NamedExpression> exprs,
@JsonProperty("child") PhysicalOperator child) {
+ public Project(@JsonProperty("exprs") List<NamedExpression> exprs,
@JsonProperty("child") PhysicalOperator child, @JsonProperty("outputproj")
boolean outputProj) {
--- End diff --
`outputProj`?
> Schema change problems caused by empty batch
> --------------------------------------------
>
> Key: DRILL-5546
> URL: https://issues.apache.org/jira/browse/DRILL-5546
> Project: Apache Drill
> Issue Type: Bug
> Reporter: Jinfeng Ni
> Assignee: Jinfeng Ni
>
> There have been a few JIRAs opened related to schema change failure caused by
> empty batch. This JIRA is opened as an umbrella for all those related JIRAS (
> such as DRILL-4686, DRILL-4734, DRILL4476, DRILL-4255, etc).
>
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