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https://issues.apache.org/jira/browse/DRILL-7063?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16812800#comment-16812800
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ASF GitHub Bot commented on DRILL-7063:
---------------------------------------
dvjyothsna commented on pull request #1723: DRILL-7063: Seperate metadata cache
file into summary, file metadata
URL: https://github.com/apache/drill/pull/1723#discussion_r273244458
##########
File path:
exec/java-exec/src/main/java/org/apache/drill/exec/store/parquet/metadata/Metadata.java
##########
@@ -149,20 +157,25 @@ public static ParquetTableMetadata_v3
getParquetTableMetadata(Map<FileStatus, Fi
* Get the parquet metadata for the table by reading the metadata file
*
* @param fs current file system
- * @param path The path to the metadata file, located in the directory that
contains the parquet files
+ * @param paths The path to the metadata file, located in the directory that
contains the parquet files
* @param metaContext metadata context
* @param readerConfig parquet reader configuration
* @return parquet table metadata. Null if metadata cache is missing,
unsupported or corrupted
*/
public static @Nullable ParquetTableMetadataBase readBlockMeta(FileSystem fs,
- Path path,
+ List<Path>
paths,
MetadataContext metaContext,
ParquetReaderConfig readerConfig) {
- if (ignoreReadingMetadata(metaContext, path)) {
- return null;
- }
Metadata metadata = new Metadata(readerConfig);
- metadata.readBlockMeta(path, false, metaContext, fs);
+ if (paths.isEmpty()) {
+ metaContext.setMetadataCacheCorrupted(true);
+ }
+ for (Path path: paths) {
+ if (ignoreReadingMetadata(metaContext, path)) {
+ return null;
Review comment:
Added this comment.
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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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