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From "Andy Tolbert (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CASSANDRA-12594) sstabledump fails on frozen collection cells
Date Thu, 01 Sep 2016 23:13:20 GMT
Andy Tolbert created CASSANDRA-12594:
----------------------------------------

             Summary: sstabledump fails on frozen collection cells
                 Key: CASSANDRA-12594
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-12594
             Project: Cassandra
          Issue Type: Bug
            Reporter: Andy Tolbert
            Assignee: Andy Tolbert
            Priority: Minor


sstabledump throws an exception when attempting to parse a cell that is a frozen collection,
i.e.:

{noformat}
[
  {
    "partition" : {
      "key" : [ "0" ],
      "position" : 0
    },
    "rows" : [
      {
        "type" : "row",
        "position" : 18,
        "liveness_info" : { "tstamp" : "2016-09-01T22:06:45.670810Z" },
        "cells" : [
          { "name" : "m", "value" }
        ] }
    ] }
]Exception in thread "main" java.lang.IllegalArgumentException
	at java.nio.Buffer.limit(Buffer.java:275)
	at org.apache.cassandra.utils.ByteBufferUtil.readBytes(ByteBufferUtil.java:613)
	at org.apache.cassandra.db.marshal.TupleType.getString(TupleType.java:211)
	at org.apache.cassandra.tools.JsonTransformer.serializeCell(JsonTransformer.java:441)
	at org.apache.cassandra.tools.JsonTransformer.serializeColumnData(JsonTransformer.java:375)
	at org.apache.cassandra.tools.JsonTransformer.serializeRow(JsonTransformer.java:279)
	at org.apache.cassandra.tools.JsonTransformer.serializePartition(JsonTransformer.java:214)
	at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184)
	at java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:175)
	at java.util.Iterator.forEachRemaining(Iterator.java:116)
	at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801)
	at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481)
	at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471)
	at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151)
	at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174)
	at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
	at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418)
	at org.apache.cassandra.tools.JsonTransformer.toJson(JsonTransformer.java:102)
	at org.apache.cassandra.tools.SSTableExport.main(SSTableExport.java:242)
{noformat}

This is because the code doesn't consider that the cell may be a frozen collection, and attempts
to get the string representation using the value type which doesn't work.

Example data:

{noformat}
CREATE KEYSPACE simple WITH replication = {'class': 'SimpleStrategy', 'replication_factor':
'1'};

CREATE TABLE simple.unfrozen_map (
    k int PRIMARY KEY,
    m map<text, frozen<tuple<text, text>>>
);

CREATE TABLE simple.frozen_map (
    k int PRIMARY KEY,
    m frozen<map<text, frozen<tuple<text, text>>>>
);

insert into unfrozen_map (k, m) values (0, {'a': ('b', 'c'), 'd': ('e', 'f'), 'g': ('h', 'i')});

insert into frozen_map (k, m) values (0, {'a': ('b', 'c'), 'd': ('e', 'f'), 'g': ('h', 'i')});
{noformat}

unfrozen_map will properly dump each cell individually, but frozen_map fails.



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