[jira] [Created] (CASSANDRA-7525) Querying by multiple secondary indexes gives java.lang.IllegalArgumentException on some cases

["Tuukka Mustonen (JIRA)" <ji...@apache.org>]

Tuukka Mustonen created CASSANDRA-7525:
------------------------------------------

             Summary: Querying by multiple secondary indexes gives java.lang.IllegalArgumentException on some cases
                 Key: CASSANDRA-7525
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-7525
             Project: Cassandra
          Issue Type: Bug
            Reporter: Tuukka Mustonen


Querying by:

* non-primary key column with secondary index + collection with secondary index
* primary key column with secondary index + non-primary key column with secondary index

gives {{<ErrorMessage code=0000 [Server error] message="java.lang.IllegalArgumentException: expected one element but was: <org.apache.cassandra.db.index.composites.CompositesSearcher@156b5576, org.apache.cassandra.db.index.composites.CompositesSearcher@39b7c0f6>">}}

Steps to reproduce:

{code}
cqlsh:cs> CREATE TABLE test (
      ...   id1 text,
      ...   id2 text,
      ...   column1 text,
      ...   column2 text,
      ...   collection set<text>,
      ...   PRIMARY KEY (id1, id2)
      ... );
cqlsh:cs> 
{code}

Simple query by primary key works as should:

{code}
cqlsh:cs> SELECT * FROM test WHERE id1 = 'foo';

(0 rows)

cqlsh:cs> SELECT * FROM test WHERE id1 = 'foo' AND id2 = 'bar';

(0 rows)
{code}

Query by secondary index + non-indexed column:

{code}
cqlsh:cs> CREATE INDEX test_column1s ON test(column1);
cqlsh:cs> SELECT * FROM test WHERE column1 = 'foo';

(0 rows)

cqlsh:cs> SELECT * FROM test WHERE column1 = 'foo' AND column2 = 'bar' ALLOW FILTERING;

(0 rows)
{code}

Add secondary index also for the second column:

{code}
cqlsh:cs> CREATE INDEX test_column2s ON test(column2);
cqlsh:cs> SELECT * FROM test WHERE column1 = 'foo' AND column2 = 'bar' ALLOW FILTERING;

(0 rows)
{code}

Doesn't matter if we bring primary key or the collection there as well:

{code}
cqlsh:cs> SELECT * FROM test WHERE id1 = 'blah' AND column1 = 'foo' AND column2 = 'bar' ALLOW FILTERING;

(0 rows)

cqlsh:cs> SELECT * FROM test WHERE column1 = 'foo' AND collection CONTAINS 'bar' ALLOW FILTERING;

(0 rows)
{code}

Let's add index for the collection:

{code}
cqlsh:cs> CREATE INDEX test_collections ON test(collection);
cqlsh:cs> SELECT * FROM test WHERE collection CONTAINS 'bar';

(0 rows)
{code}

But then combine secondary index column and collection with secondary index:

{code}
cqlsh:cs> SELECT * FROM test WHERE column1 = 'foo' AND collection CONTAINS 'bar' ALLOW FILTERING;
<ErrorMessage code=0000 [Server error] message="java.lang.IllegalArgumentException: expected one element but was: <org.apache.cassandra.db.index.composites.CompositesSearcher@68e37722, org.apache.cassandra.db.index.composites.CompositesSearcher@2da28efa>">
{code}

Furthermore, query by primary key field with secondary index + non-primary key column with secondary index:

{code}
cqlsh:cs> CREATE INDEX test_id2s ON test(id2);
cqlsh:cs> SELECT * FROM test WHERE id2 = 'foo' AND column1 = 'bar' ALLOW FILTERING;
<ErrorMessage code=0000 [Server error] message="java.lang.IllegalArgumentException: expected one element but was: <org.apache.cassandra.db.index.composites.CompositesSearcher@3ca899f1, org.apache.cassandra.db.index.composites.CompositesSearcher@6112bc53>">
{code}

I'm a cassandra noob so maybe I'm trying to do things the db was not meant to do?



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