openinx commented on a change in pull request #3069:
URL: https://github.com/apache/iceberg/pull/3069#discussion_r702772776
##########
File path: api/src/main/java/org/apache/iceberg/OverwriteFiles.java
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@@ -122,27 +122,30 @@
*
* @param conflictDetectionFilter an expression on rows in the table
* @return this for method chaining
+ * @deprecated this will be removed in 0.14.0;
+ * use {@link #validateNoConflictingOperations(Expression)}
instead
*/
- OverwriteFiles validateNoConflictingAppends(Expression
conflictDetectionFilter);
+ @Deprecated
+ default OverwriteFiles validateNoConflictingAppends(Expression
conflictDetectionFilter) {
+ return validateNoConflictingOperations(conflictDetectionFilter);
+ }
/**
- * Enables validation that files added concurrently do not conflict with
this commit's operation.
+ * Enables validation that no concurrent operation conflicts with this
commit.
* <p>
* This method should be called when the table is queried to determine which
files to delete/append.
- * If a concurrent operation commits a new file after the data was read and
that file might
- * contain rows matching the specified conflict detection filter, the
overwrite operation
- * will detect this during retries and fail.
+ * If a concurrent operation commits a new data or delete file after the
table was queried and
+ * that file might contain either new records or relevant deletes matching
the specified conflict
+ * detection filter, the overwrite operation will detect this during retries
and fail.
* <p>
* Calling this method with a correct conflict detection filter is required
to maintain
* serializable isolation for eager update/delete operations. Otherwise, the
isolation level
* will be snapshot isolation.
+ * <p>
+ * Validation applies to operations happened since the snapshot passed to
{@link #validateFromSnapshot(long)}.
*
- * @param readSnapshotId the snapshot id that was used to read the data or
null if the table was empty
* @param conflictDetectionFilter an expression on rows in the table
* @return this for method chaining
- * @deprecated this will be removed in 0.11.0;
- * use {@link #validateNoConflictingAppends(Expression)} and
{@link #validateFromSnapshot(long)} instead
*/
- @Deprecated
- OverwriteFiles validateNoConflictingAppends(Long readSnapshotId, Expression
conflictDetectionFilter);
+ OverwriteFiles validateNoConflictingOperations(Expression
conflictDetectionFilter);
Review comment:
Looks like this method is designed to validate whether the copy-on-write
batch update/delete operations will be conflicted with the RowDelta operations
? I will need some time to read the whole copy-on-write code path.
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