vrajat opened a new pull request, #15773:
URL: https://github.com/apache/pinot/pull/15773
This PR adds support to execute queries on logical tables in MSE. It uses
classes introduced in #15634.
The high-level workflow is:
* `PinotCatalog` also exposes logical tables as tables.
* `DispatchPlanVisitor` checks if the `TableScanNode` points to a logical
table. If yes, adds `LogicalTableRouteInfo` to `DispatchablePlanMetadata`.
* `WorkerManager` creates a `workerId -> {tableType -> {tableName ->
segments}}`. This is different from physical tables which require ``workerId
-> {tableType -> segments}`
* `ServerPlanRequestUtils` uses this map to create `InstanceRequest` with
the field for `TableSegmentsInfo`.
The last step triggers SSE engine to process segments of all physical tables
in the logical table.
Closes #15749
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