Nebula使用中间变量进行查询报错

342865189 · 2023 年1 月 18 日 06:04

离职的Steam:

$var1=go from "V1" over E1 yield E1._dst as dst; 
$var2=go from "V2" over E2 yield E2._dst as dst;
$var3=yield $var1.dst as dst union yield $var2.dst;
go from $var3.dst over E3 reversely

$var1=go from “V1” over E1 yield E1._dst as dst;
$var2=go from $var1.dst over E2 yield E2._dst as dst;
$var3=yield $var1.dst as dst union yield $var2.dst;
go from $var3.dst over E3 reversely

$var2 的 from id是引用$var1的结果，执行就报这个错：-1005:NULL', the srcs should be type of STRING, but wasNULL’