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https://issues.apache.org/jira/browse/TINKERPOP-3153?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18077374#comment-18077374
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ASF GitHub Bot commented on TINKERPOP-3153:
-------------------------------------------
kenhuuu commented on code in PR #3401:
URL: https://github.com/apache/tinkerpop/pull/3401#discussion_r3169215602
##########
docs/src/upgrade/release-4.x.x.asciidoc:
##########
@@ -51,6 +51,65 @@ deserialization in GraphBinary is unchanged. Applications
that depend on the `uu
`gremlin-javascript` brought it in as a transitive dependency should add it
directly to their own `package.json`
if they still need it.
+==== New Gremlin-Lang Literals
+
+The canonical Gremlin grammar now includes literal syntax for `Character`,
`Duration`, and `Binary` types. These
+literals can be used directly in traversals without falling back to parameter
serialization.
+
+===== Character
+
+A character literal is a single-character string with a `c` suffix:
+
+[source,text]
+----
+g.V().has("initial","M"c)
+----
+
+NOTE: Character is not supported in gremlin-go or gremlin-javascript.
Review Comment:
I think so. I just didn't do this because there is no support for Character
in gremlin-go's GraphBinary implementation. I think this is a separate Jira for
character support in gremlin-go.
> Expand type syntax in grammar in 4.0
> ------------------------------------
>
> Key: TINKERPOP-3153
> URL: https://issues.apache.org/jira/browse/TINKERPOP-3153
> Project: TinkerPop
> Issue Type: Improvement
> Affects Versions: 4.0.0
> Reporter: Ken Hu
> Priority: Major
>
> Types to add to the grammar in 4.0:
> * Char
> ** Unfortunately '' is already used for strings to match Groovy. Will need
> to look into something nice for this.
> * Duration
> ** Should check to see if Duration can be used for date functions as well
> ** Duration(Long)
> * CompositePdt
> ** Pdt("name", [ : ] )
> * PrimitivePdt
> ** Pdt("name", "value")
> * Tree
> * Graph
> * Binary (ByteBuffer) - moved from 3.8.0
> ** {{Binary( '/9j/4AAQSkZJRgABAQEAAAAAAAD/==')}}
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