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https://issues.apache.org/jira/browse/ORC-203?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16572424#comment-16572424
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ASF GitHub Bot commented on ORC-203:
------------------------------------
Github user omalley commented on a diff in the pull request:
https://github.com/apache/orc/pull/299#discussion_r208395531
--- Diff: java/core/src/java/org/apache/orc/impl/ColumnStatisticsImpl.java
---
@@ -584,16 +630,40 @@ public void merge(ColumnStatisticsImpl other) {
if (str.minimum != null) {
maximum = new Text(str.getMaximum());
--- End diff --
You'll need to copy the booleans from str also.
> Modify the StringStatistics to trim minimum and maximum values
> --------------------------------------------------------------
>
> Key: ORC-203
> URL: https://issues.apache.org/jira/browse/ORC-203
> Project: ORC
> Issue Type: Bug
> Reporter: Owen O'Malley
> Assignee: Sandeep More
> Priority: Major
>
> Currently the StringStatistics will record the entire value for minimum or
> maximum. It creates large protobuf objects and serves very little value. I
> think we should trim long strings to 1024 characters and record the fact that
> they were trimmed.
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