Struct MergeQueryResult 

pub struct MergeQueryResult {
    pub stream: Pin<Box<dyn RecordBatchStream<Item = Result<RecordBatch, DataFusionError>> + Send>>,
    pub ordering_honored: bool,
}

The outcome of running a merge query.

Fields

stream: Pin<Box<dyn RecordBatchStream<Item = Result<RecordBatch, DataFusionError>> + Send>>

The merged rows.

ordering_honored: bool

Whether the merger’s declared scan ordering (if any) was honored by the physical plan without falling back to a buffering Sort/SortPreservingMerge node. Always true when no ordering was declared to DataFusion in the first place – it is only ever computed dynamically by an ordering-declaring QueryMerger. This drives only a memory-regression warning; it never gates the recorded sort_order (see View::get_merged_partition_sort_order).