mayankshriv commented on a change in pull request #6361:
URL: https://github.com/apache/incubator-pinot/pull/6361#discussion_r558484411
##########
File path:
pinot-server/src/main/java/org/apache/pinot/server/starter/helix/HelixInstanceDataManager.java
##########
@@ -326,6 +339,11 @@ public SegmentMetadata getSegmentMetadata(String
tableNameWithType, String segme
}
}
+ @Override
+ public Set<String> getColumnNamesByTable(String tableNameWithType) {
+ return _tableColumnNamesMap.computeIfAbsent(tableNameWithType, k -> new
HashSet<>());
Review comment:
Use `Collections.EmptySet`, instead of creating a new one.
##########
File path:
pinot-common/src/main/java/org/apache/pinot/common/metrics/BrokerMeter.java
##########
@@ -87,6 +87,7 @@
GROUP_BY_SIZE("queries", false),
TOTAL_SERVER_RESPONSE_SIZE("queries", false),
+ QUERY_COLUMN_NAME_MISMATCH("queries", false),
Review comment:
In other places (DataTable), you have used INVALID_COLUMN, so may be
`INVALID_COLUMN_NAME_IN_QUERY`?
##########
File path:
pinot-core/src/main/java/org/apache/pinot/core/query/executor/ServerQueryExecutorV1Impl.java
##########
@@ -259,6 +260,18 @@ private DataTable processQuery(List<IndexSegment>
indexSegments, QueryContext qu
ExecutorService executorService, @Nullable
StreamObserver<Server.ServerResponse> responseObserver, long endTimeMs,
boolean enableStreaming)
throws Exception {
+
+ // Validate whether column names in the query are valid
+ Set<String> columnNamesFromSchema =
_instanceDataManager.getColumnNamesByTable(queryContext.getTableName());
+ Set<String> columnNamesFromQuery = queryContext.getColumns();
+ if (!columnNamesFromSchema.isEmpty() &&
!columnNamesFromSchema.containsAll(columnNamesFromQuery)) {
+ columnNamesFromQuery.removeAll(columnNamesFromSchema);
Review comment:
How about aliasing? Will it work for `select foo as bar from table`?
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