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Update 2.match.md #1146

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Mar 10, 2022
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Update 2.match.md #1146

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4 changes: 3 additions & 1 deletion docs-2.0/3.ngql-guide/7.general-query-statements/2.match.md
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Expand Up @@ -96,7 +96,9 @@ nebula> SHOW JOB 122;

!!! compatibility "Legacy version compatibility"

In Nebula Graph versions earlier than 3.0.0, nGQL does not support `MATCH (v) RETURN v`. As of version 3.0.0, nGQL support `MATCH (v) RETURN v`, there is no need to create an index, but you need to use `LIMIT` to limit the number of output results.
In Nebula Graph versions earlier than 3.0.0, nGQL does not support `MATCH (v) RETURN v`.

As of version 3.0.0, nGQL support `MATCH (v) RETURN v LIMIT n`, there is no need to create an index, but you must use `LIMIT` to limit the number of output results. nGQL still does not support `MATCH (v) RETURN v`.

You can use a user-defined variable in a pair of parentheses to represent a vertex in a pattern. For example: `(v)`.

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