count使用

有一条边,a->b, 用rank区分了不同的数据,怎么查询这条边的数据条数呢? :joy:

例如:fetch prop on tx “a” → “b” | count($-)
是这样吗?

go from "a" over like where like._dst=="b"  yield like._src, like._dst, like._rank as rank
go from "a" over like where like._dst=="b" |  yield count(*)
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