sankarh commented on a change in pull request #541: HIVE-21197 : Hive
Replication can add duplicate data during migration to a target with
hive.strict.managed.tables enabled
URL: https://github.com/apache/hive/pull/541#discussion_r259770370
##########
File path: ql/src/java/org/apache/hadoop/hive/ql/exec/ReplCopyTask.java
##########
@@ -61,6 +62,21 @@ public ReplCopyTask(){
super();
}
+ // If file is already present in base directory, then remove it from the
list.
+ // Check HIVE-21197 for more detail
+ private void updateSrcFileListForDupCopy(FileSystem dstFs, Path toPath,
List<ReplChangeManager.FileInfo> srcFiles,
+ long writeId, int stmtId) throws
IOException {
+ ListIterator<ReplChangeManager.FileInfo> iter = srcFiles.listIterator();
+ Path basePath = new Path(toPath, AcidUtils.baseOrDeltaSubdir(true,
writeId, writeId, stmtId));
+ while (iter.hasNext()) {
+ Path filePath = new Path(basePath,
iter.next().getSourcePath().getName());
+ if (dstFs.exists(filePath)) {
Review comment:
OK
----------------------------------------------------------------
This is an automated message from the Apache Git Service.
To respond to the message, please log on GitHub and use the
URL above to go to the specific comment.
For queries about this service, please contact Infrastructure at:
us...@infra.apache.org
With regards,
Apache Git Services
