Vladimir Krivopalov created CASSANDRA-14486:
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Summary: Can't dump a compact table with 'null' in a clustering
column using sstabledump
Key: CASSANDRA-14486
URL: https://issues.apache.org/jira/browse/CASSANDRA-14486
Project: Cassandra
Issue Type: Bug
Reporter: Vladimir Krivopalov
The following compact table is perfectly valid because of backward
compatibility:
cqlsh:test> CREATE TABLE cf (pk int, ck1 int, ck2 int, rc int, primary key
(pk, ck1, ck2)) WITH COMPACT STORAGE;
cqlsh:test> INSERT INTO cf (pk, ck1, rc) VALUES (1, 1, 1);
cqlsh:test> SELECT * FROM cf;
pk | ck1 | ck2 | rc
----+-----+------+----
1 | 1 | null | 1
(1 rows)
But sstabledump fails to output it:
osboxes@osboxes:/tmp$ sstabledump -t
/var/lib/cassandra/data/test/cf-f12ca9e0650811e8bd2e599ed57bc695/mc-1-big-Data.db
[
{
"partition" : {
"key" : [ "1" ],
"position" : 0
},
"rows" : [
{
"type" : "row",
"position" : 32,
"clustering" : [ 1 ] } ] } ]Exception in thread "main"
java.lang.NullPointerException
at
org.apache.cassandra.serializers.Int32Serializer.deserialize(Int32Serializer.java:31)
at
org.apache.cassandra.serializers.Int32Serializer.deserialize(Int32Serializer.java:25)
at
org.apache.cassandra.db.marshal.Int32Type.toJSONString(Int32Type.java:101)
at
org.apache.cassandra.tools.JsonTransformer.serializeClustering(JsonTransformer.java:347)
at
org.apache.cassandra.tools.JsonTransformer.serializeRow(JsonTransformer.java:244)
at
org.apache.cassandra.tools.JsonTransformer.serializePartition(JsonTransformer.java:211)
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:101)
at org.apache.cassandra.tools.SSTableExport.main(SSTableExport.java:240)
The problem seems to be that JsonTransformer doesn't expect 'null' values for a
clustering key of a row.
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