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https://issues.apache.org/jira/browse/CALCITE-1050?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15092812#comment-15092812
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Josh Elser commented on CALCITE-1050:
-------------------------------------
This is done by
[Frame|http://calcite.apache.org/docs/avatica_json_reference.html#frame] for
JSON and
[ColumnValue|http://calcite.apache.org/docs/avatica_protobuf_reference.html#columnvalue]
for Protobufs. For JSON, each value in the row attribute of a frame might be
an array instead of a scalar value.
I have noticed in CALCITE-1040, however, that the parsing of scalar or array
values is busted for arrays of length 1 with protobuf. Apparently I never wrote
up a test for this. I'm currently working on adding an {{array_value}} and
{{scalar_value}} to {{ColumnValue}} for protobuf to handle this conversion
correctly.
Does this make sense to you?
> Avatica can't serialize java.sql.Array
> --------------------------------------
>
> Key: CALCITE-1050
> URL: https://issues.apache.org/jira/browse/CALCITE-1050
> Project: Calcite
> Issue Type: Improvement
> Components: avatica
> Affects Versions: 1.5.0
> Reporter: Lukas Lalinsky
> Assignee: Julian Hyde
>
> As far as I can see, there is no way to serialize arrays in the Avatica RPC.
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