rohityadav1993 commented on code in PR #14494:
URL: https://github.com/apache/pinot/pull/14494#discussion_r1850516862
##########
pinot-controller/src/main/java/org/apache/pinot/controller/api/resources/PinotSegmentRestletResource.java:
##########
@@ -425,13 +426,14 @@ public SuccessResponse reloadSegment(
/**
* Helper method to find the existing table based on the given table name
(with or without type suffix) and segment
* name.
- * TODO: Real-time table might also contain uploaded segments (not with LLC
name), which is not handled here.
*/
private String getExistingTable(String tableName, String segmentName) {
TableType tableType =
TableNameBuilder.getTableTypeFromTableName(tableName);
if (tableType == null) {
// Derive table type from segment name if the given table name doesn't
have type suffix
- tableType = LLCSegmentName.isLLCSegment(segmentName) ?
TableType.REALTIME : TableType.OFFLINE;
Review Comment:
For LCCSegment too, it seems it is not guaranteed only for realtime table.
There are no validations in `PinotSegmentUploadDownloadRestletResource` that
LCCSegment should only be uploaded to realtime table and segment assignments
for offline tables don't check segmentNames.
Additionally, there are places in code discouraging deriving table type from
segmentName, I think we can either consolidate segmentName to table types in
one place and/or enforce segmentNames to realtime table type:
```
// Fetch table name. Try to derive the table name from the parameter and
then from segment metadata
String rawTableName;
if (StringUtils.isNotEmpty(tableName)) {
rawTableName = TableNameBuilder.extractRawTableName(tableName);
} else {
// TODO: remove this when we completely deprecate the table name
from segment metadata
rawTableName = segmentMetadata.getTableName();
LOGGER.warn("Table name is not provided as request query parameter
when uploading segment: {} for table: {}",
segmentName, rawTableName);
}
```
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