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https://issues.apache.org/jira/browse/DRILL-7063?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16810099#comment-16810099
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ASF GitHub Bot commented on DRILL-7063:
---------------------------------------
amansinha100 commented on pull request #1723: DRILL-7063: Seperate metadata
cache file into summary, file metadata
URL: https://github.com/apache/drill/pull/1723#discussion_r272257557
##########
File path:
exec/java-exec/src/main/java/org/apache/drill/exec/store/parquet/ParquetTableMetadataProviderImpl.java
##########
@@ -109,19 +109,59 @@ public Path getSelectionRoot() {
return selectionRoot;
}
+ /**
+ * Returns list of metadata cache files
+ * @param p directory path of the cache file
+ * @param fs
+ * @return list of cache files found in the given directory path
+ */
+ public List<Path> populateMetaPaths(Path p, DrillFileSystem fs) throws
IOException {
+ List<Path> metaFilepaths = new ArrayList<>();
+ for (String filename : Metadata.CURRENT_METADATA_FILENAMES) {
+ metaFilepaths.add(new Path(p, filename));
+ }
+
+ //Read the older version of metadata file if the current version of
metadata cache files donot exist.
+ for (String filename : Metadata.OLD_METADATA_FILENAMES) {
+ if (fileExists(fs, metaFilepaths)) {
+ return metaFilepaths;
+ }
+ metaFilepaths.clear();
+ metaFilepaths.add(new Path(p, filename));
+ }
+
Review comment:
Remove extra lines
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> Create separate summary file for schema, totalRowCount, totalNullCount
> (includes maintenance)
> ---------------------------------------------------------------------------------------------
>
> Key: DRILL-7063
> URL: https://issues.apache.org/jira/browse/DRILL-7063
> Project: Apache Drill
> Issue Type: Sub-task
> Components: Metadata
> Reporter: Venkata Jyothsna Donapati
> Assignee: Venkata Jyothsna Donapati
> Priority: Major
> Fix For: 1.16.0
>
> Original Estimate: 252h
> Remaining Estimate: 252h
>
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