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Added some comments and docstrings #242
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@@ -13,6 +13,9 @@ class Dataset: | |||
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The TableLike refers to a database table containing the actual data that | |||
can be used for instance in training or testing. | |||
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Q. A TableLike is basically a list of columns and a name. Why do we have | |||
a separate list of columns here? |
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AFAIK there was and is a separation of "ordinary" columns and "identifier columns" which may be handled specially in some cases? But the attribute columns
could be superfluous in my understanding.
""" | ||
This is a node of an ExecutionGraph. | ||
Essentially, this is a node-level query handler factory. The query handler | ||
itself is user-provided and so is this factory. |
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itself is user-provided and so is this factory. | |
itself is user-provided and so are the factories implementing this interface. |
This is a type root for a class representing an input/output data for a customer | ||
provided node-level query handler - SQLStageQueryHandler. The actual content of | ||
the input/output is application specific. |
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This is a type root for a class representing an input/output data for a customer | |
provided node-level query handler - SQLStageQueryHandler. The actual content of | |
the input/output is application specific. | |
This is a type root for a class representing input/output data for a customer | |
provided node-level query handler extending class SQLStageQueryHandler. The actual content of | |
the input/output is application-specific. |
@@ -98,6 +105,11 @@ def handle_result( | |||
def _handle_finished_result( | |||
self, result: Finish[SQLStageInputOutput] | |||
) -> ResultHandlerReturnValue: | |||
""" | |||
We are done with the current node. | |||
If there are successors we need to add the final output from this node to the |
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If there are successors we need to add the final output from this node to the | |
If there are successors, then we need to add the final output from this node to the |
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