Josh Elser created CALCITE-921:
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             Summary: 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


{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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