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Implement Merge on Read Storage (#76)

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1. Create HoodieTable abstraction for commits and fileSystemView
2. HoodieMergeOnReadTable created
3. View is now always obtained from the table and the correct view based on the table type is returned
This commit is contained in:
prazanna
2017-02-21 15:24:00 -08:00
committed by Prasanna Rajaperumal
parent 11d2fd3428
commit eb46e7c72b
47 changed files with 1113 additions and 421 deletions
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6
hoodie-utilities/src/main/java/com/uber/hoodie/utilities/HoodieSnapshotCopier.java
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@@ -25,8 +25,9 @@ import com.uber.hoodie.common.table.HoodieTableMetaClient;
import com.uber.hoodie.common.table.HoodieTimeline;
import com.uber.hoodie.common.table.TableFileSystemView;
import com.uber.hoodie.common.table.timeline.HoodieInstant;
import com.uber.hoodie.common.table.view.ReadOptimizedTableView;
import com.uber.hoodie.common.table.view.HoodieTableFileSystemView;
import com.uber.hoodie.common.util.FSUtils;
import com.uber.hoodie.table.HoodieTable;
import org.apache.hadoop.fs.FileStatus;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.FileUtil;
@@ -65,7 +66,8 @@ public class HoodieSnapshotCopier implements Serializable {
public void snapshot(JavaSparkContext jsc, String baseDir, final String outputDir) throws IOException {
FileSystem fs = FSUtils.getFs();
final HoodieTableMetaClient tableMetadata = new HoodieTableMetaClient(fs, baseDir);
final TableFileSystemView fsView = new ReadOptimizedTableView(fs, tableMetadata);
final TableFileSystemView fsView = new HoodieTableFileSystemView(tableMetadata,
tableMetadata.getActiveTimeline().getCommitTimeline().filterCompletedInstants());
// Get the latest commit
final Optional<HoodieInstant>
latestCommit = tableMetadata.getActiveTimeline().getCommitTimeline().filterCompletedInstants().lastInstant();