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https://issues.apache.org/jira/browse/DRILL-8094?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17471029#comment-17471029
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ASF GitHub Bot commented on DRILL-8094:
---------------------------------------
Leon-WTF commented on a change in pull request #2416:
URL: https://github.com/apache/drill/pull/2416#discussion_r780648058
##########
File path:
exec/java-exec/src/main/java/org/apache/drill/exec/expr/fn/impl/StringFunctions.java
##########
@@ -416,16 +417,25 @@ public void setup() {
@Override
public void eval() {
- if (index.value < 1) {
+ if (index.value == 0) {
Review comment:
> Sigh, 1-based indexing. I think the logic you chose in this PR for
non-positive index values is the best we can do, considering.
@jnturton Hi James, anything wrong here?
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> Support reverse truncation for split_part udf
> ---------------------------------------------
>
> Key: DRILL-8094
> URL: https://issues.apache.org/jira/browse/DRILL-8094
> Project: Apache Drill
> Issue Type: Improvement
> Reporter: wtf
> Priority: Minor
>
> suport split_part('a,b,c,d', ',' , -2, -1) = 'c,d' and split_part('a,b,c,d',
> ',' , -3) = 'b'
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