morningman commented on code in PR #17404:
URL: https://github.com/apache/doris/pull/17404#discussion_r1208561088
##########
fe/fe-core/src/main/java/org/apache/doris/planner/external/TVFScanNode.java:
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@@ -70,6 +74,22 @@ protected void doInitialize() throws UserException {
initSchemaParams();
}
+ @Override
+ protected void initBackendPolicy() throws UserException {
+ List<String> preLocations = new ArrayList<>();
+ if (tableValuedFunction instanceof LocalTableValuedFunction) {
+ // For local tvf, the backend was specified by backendId
+ Long backendId = ((LocalTableValuedFunction)
tableValuedFunction).getBackendId();
+ Backend backend = Env.getCurrentSystemInfo().getBackend(backendId);
+ if (backend == null) {
+ throw new UserException("No available backends");
+ }
+ preLocations.add(backend.getHost());
Review Comment:
better to rename `preLocations` to `preferLocations`(here and in
BackendPolicy). This is not your problem, but you can change it in this PR.
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