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https://issues.apache.org/jira/browse/CALCITE-921?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14971664#comment-14971664
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Josh Elser commented on CALCITE-921:
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bq. If the underlying data is represented using byte[], why is a StringAccessor
being created?
Good question. I'll need to look at this again to remind myself what is
actually happening.
> ClassCastException byte[] to String with protobuf
> -------------------------------------------------
>
> Key: CALCITE-921
> URL: https://issues.apache.org/jira/browse/CALCITE-921
> Project: Calcite
> Issue Type: Bug
> Components: avatica
> Reporter: Josh Elser
> Assignee: Josh Elser
> Fix For: 1.5.0
>
>
> {noformat}
> java.lang.ClassCastException: [B cannot be cast to java.lang.String
> at
> org.apache.calcite.avatica.util.AbstractCursor$StringAccessor.getString(AbstractCursor.java:726)
> at
> org.apache.calcite.avatica.AvaticaResultSet.getString(AvaticaResultSet.java:233)
> at sqlline.Rows$Row.<init>(Rows.java:183)
> at sqlline.IncrementalRows.hasNext(IncrementalRows.java:63)
> at sqlline.TableOutputFormat.print(TableOutputFormat.java:33)
> at sqlline.SqlLine.print(SqlLine.java:1653)
> at sqlline.Commands.execute(Commands.java:833)
> at sqlline.Commands.sql(Commands.java:732)
> at sqlline.SqlLine.dispatch(SqlLine.java:808)
> at sqlline.SqlLine.begin(SqlLine.java:681)
> at sqlline.SqlLine.start(SqlLine.java:398)
> at sqlline.SqlLine.main(SqlLine.java:292)
> {noformat}
> JSON encoding doesn't have this issue. The StringAccessor (actually a
> BinaryFromStringAccessor) expects to get back a String as the object but it
> gets a byte[].
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