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https://issues.apache.org/jira/browse/DRILL-4980?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15651435#comment-15651435
]
ASF GitHub Bot commented on DRILL-4980:
---------------------------------------
Github user paul-rogers commented on a diff in the pull request:
https://github.com/apache/drill/pull/644#discussion_r87232983
--- Diff:
exec/java-exec/src/main/java/org/apache/drill/exec/store/parquet/ParquetWriter.java
---
@@ -40,6 +40,16 @@
public class ParquetWriter extends AbstractWriter {
static final org.slf4j.Logger logger =
org.slf4j.LoggerFactory.getLogger(ParquetWriter.class);
+/** Version of Drill's Parquet writer. Increment this version (by 1) any
time we make any format change to the file.
+ * Format changes include
+ * 1) supporting new data types,
+ * 2) changes to the format of data fields,
+ * 3) adding new metadata to the file footer, etc.
+ * Newer readers must be able to read old files. The Writer version tells
the Parquet reader how to interpret fields
--- End diff --
This is Javadoc, so needs HTML formatting. For the list:
<ul>
<li>Supporting new data types,</li>
...
</ul>
> Upgrading of the approach of parquet date correctness status detection
> ----------------------------------------------------------------------
>
> Key: DRILL-4980
> URL: https://issues.apache.org/jira/browse/DRILL-4980
> Project: Apache Drill
> Issue Type: Improvement
> Components: Storage - Parquet
> Affects Versions: 1.8.0
> Reporter: Vitalii Diravka
> Assignee: Vitalii Diravka
> Fix For: 1.9.0
>
>
> This jira is an addition for the
> [DRILL-4203|https://issues.apache.org/jira/browse/DRILL-4203].
> The date correctness label for the new generated parquet files should be
> upgraded.
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