config needed when read from nebula graph
for read vertex or edge:
you must need to set these configs: addresses/space/label
you can set noColumn to true to read no vertex col, and you can set returnCols to read the specific cols, if the returnCols is empty, then read all the columns.
you can set partitionNum to define spark partition nums to read nebula graph.
config needed when read from nebula graph for read vertex or edge: you must need to set these configs: addresses/space/label you can set noColumn to true to read no vertex col, and you can set returnCols to read the specific cols, if the returnCols is empty, then read all the columns. you can set partitionNum to define spark partition nums to read nebula graph.