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@@ -83,5 +83,5 @@ SELECT temperature,humidity, meta(id) AS eid,meta(Created) AS ec, meta(temperatu
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Kuper 的 ``meta`` 函数可以用于访问元数据,以下列出了所有在 EdgeX 的 ``Events`` 和 ``Reading`` 中支持的 key,
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- Events: id, pushed, device, created, modified, origin, correlationid
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-- Readning: id, created, modified, origin, pushed, device
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+- Reading: id, created, modified, origin, pushed, device
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