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support variable reference in fetch #2980

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wey-gu opened this issue Sep 30, 2021 · 1 comment
Open

support variable reference in fetch #2980

wey-gu opened this issue Sep 30, 2021 · 1 comment
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community Source: who proposed the issue need to discuss Solution: issue or PR without a clear conclusion on whether to handle it type/feature req Type: feature request

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@wey-gu
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wey-gu commented Sep 30, 2021

Is your feature request related to a problem? Please describe.

When trying to fulfill the requirement of this (as match multi-pattern not yet supported), fetch based on ref-var not supported was hit.

Maybe it could be supported?

(root@nebula) [basketballplayer]> go from "player101" over follow2 yield follow._dst as dst| FETCH PROP ON follow "player101" -> $-.dst
[ERROR (-1004)]: SyntaxError: syntax error near `$-'

Wed, 29 Sep 2021 10:35:56 CST

Describe the solution you'd like
Support this syntax.

Describe alternatives you've considered
N/A
Additional context
N/A
@wey-gu wey-gu added type/feature req Type: feature request community Source: who proposed the issue need to discuss Solution: issue or PR without a clear conclusion on whether to handle it labels Sep 30, 2021
@jamieliu1023 jamieliu1023 mentioned this issue Oct 2, 2021
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@Shylock-Hg
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It's ok to implement. But a little strange.

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