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https://issues.apache.org/jira/browse/DRILL-3232?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14981883#comment-14981883
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ASF GitHub Bot commented on DRILL-3232:
---------------------------------------
Github user jacques-n commented on a diff in the pull request:
https://github.com/apache/drill/pull/207#discussion_r43471654
--- Diff:
exec/java-exec/src/main/java/org/apache/drill/exec/expr/EvaluationVisitor.java
---
@@ -411,7 +413,9 @@ private HoldingContainer
visitValueVectorReadExpression(ValueVectorReadExpressio
if (out.isOptional()) {
ifNoVal.assign(out.getIsSet(), JExpr.lit(0));
}
- ifNoVal.assign(isNull, JExpr.lit(1));
+ if (isNull != null) {
--- End diff --
comment please
> Modify existing vectors to allow type promotion
> -----------------------------------------------
>
> Key: DRILL-3232
> URL: https://issues.apache.org/jira/browse/DRILL-3232
> Project: Apache Drill
> Issue Type: Sub-task
> Components: Execution - Codegen, Execution - Data Types, Execution -
> Relational Operators, Functions - Drill
> Reporter: Steven Phillips
> Assignee: Hanifi Gunes
> Fix For: 1.3.0
>
>
> Support the ability for existing vectors to be promoted similar to supported
> implicit casting rules.
> For example:
> INT > DOUBLE > STRING > EMBEDDED
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