Function getCurrentSlice

src/backend/executor/execUtils.c:1768–1779

* A forgiving slice table indexer that returns the indexed Slice* or NULL */

 * A forgiving slice table indexer that returns the indexed Slice* or NULL
 */
ExecSlice *
getCurrentSlice(EState *estate, int sliceIndex)
{
	SliceTable *sliceTable = estate->es_sliceTable;

    if (sliceTable &&
		sliceIndex >= 0 &&
		sliceIndex < sliceTable->numSlices)
		return &sliceTable->slices[sliceIndex];

    return NULL;
}

/* Should the slice run on the QD?
 *