cryptoe commented on code in PR #16390:
URL: https://github.com/apache/druid/pull/16390#discussion_r1590732554
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extensions-core/multi-stage-query/src/main/java/org/apache/druid/msq/sql/MSQTaskQueryMaker.java:
##########
@@ -281,6 +284,13 @@ public QueryResponse<Object[]> runQuery(final DruidQuery
druidQuery)
.tuningConfig(new MSQTuningConfig(maxNumWorkers,
maxRowsInMemory, rowsPerSegment, indexSpec))
.build();
+ final SegmentSource segmentSources =
MultiStageQueryContext.getSegmentSources(sqlQueryContext);
+ if (MSQControllerTask.isReplaceInputDataSourceTask(querySpec) &&
SegmentSource.REALTIME.equals(segmentSources)) {
+ throw DruidException.forPersona(DruidException.Persona.USER)
+ .ofCategory(DruidException.Category.INVALID_INPUT)
+ .build("REALTIME segment sources cannot be queried
while reindexing into the same datasource.");
Review Comment:
Add the data source name to the error message in both places.
Also can we push up the validation to a common utils class so that it can be
used in both places.
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