openinx commented on code in PR #99:
URL: https://github.com/apache/flink-table-store/pull/99#discussion_r865668148
##########
flink-table-store-core/src/main/java/org/apache/flink/table/store/file/operation/FileStoreReadImpl.java:
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@@ -81,14 +87,42 @@ public FileStoreRead withValueProjection(int[][]
projectedFields) {
}
@Override
- public RecordReader createReader(BinaryRowData partition, int bucket,
List<SstFileMeta> files)
+ public RecordReader createReader(BinaryRowData partition, int bucket,
List<DataFileMeta> files)
throws IOException {
+ switch (writeMode) {
+ case APPEND_ONLY:
+ return createAppendOnlyReader(partition, bucket, files);
+
+ case CHANGE_LOG:
+ return createLSMReader(partition, bucket, files);
+
+ default:
+ throw new UnsupportedOperationException("Unknown write mode: "
+ writeMode);
+ }
+ }
+
+ private RecordReader createAppendOnlyReader(
+ BinaryRowData partition, int bucket, List<DataFileMeta> files)
throws IOException {
+ Preconditions.checkArgument(
+ !dropDelete, "Cannot drop delete message for append-only
table.");
+
+ SstFileReader fileReader = sstFileReaderFactory.create(partition,
bucket);
Review Comment:
*TODO*
Currently, both AppendOnlyReader and LSMReader are using the
`SstFileReader`, while the `sst` concept should not be appeared in the
append-only read path. So it's better to move this into a totally new
`DataFileReader ` ?
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