Closes the given result handle, freeing any resources it was using.
Returns a handle to the results of evaluating the given LogicalPlan
that can be used to read chunks of result data.
Returns a handle to the results of evaluating the given LogicalPlan
that can be used to read chunks of result data.
Care must be taken to close
the returned handle in order to avoid
potential resource leaks.
Read the next chunk of data from the result set represented by the given handle.
Read the next chunk of data from the result set represented by the given handle.
An empty Vector
signals that all data has been read.
Low-level, unsafe operations. Clients are responsible for resource-safety when using these.