GO场景下管道符及引用符的使用问题

nebula客户端版本v2.0
我在执行语句
GO 1 TO 8 STEPS FROM “abc123” OVER technologySubordinate REVERSELY YIELD technologySubordinate._dst AS technology | GO FROM $-.technology OVER technologyRawToTechnology REVERSELY YIELD technologyRawToTechnology._dst AS technologyRaw的时候,想在$-.technology的基础上再加一个id,即执行

GO 1 TO 8 STEPS FROM “abc123” OVER technologySubordinate REVERSELY YIELD technologySubordinate._dst AS technology | GO FROM $-.technology, “abc123” OVER technologyRawToTechnology REVERSELY YIELD technologyRawToTechnology._dst AS technologyRaw
但是遇到语法错误的报错,请问我应该怎么去写?

试试 UNION

(
GO 1 TO 8 STEPS FROM “abc123” OVER technologySubordinate REVERSELY YIELD technologySubordinate._dst AS technology 
UNION 
YIELD “abc123” AS technology
)
| GO FROM $-.technology OVER technologyRawToTechnology REVERSELY YIELD technologyRawToTechnology._dst AS technologyRaw

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