testExecWithTestRunsAssignedToUser JQL function may cause an SQL exception

testExecWithTestRunsAssignedToUser JQL function may cause an SQL exception:

/secure/QueryComponent!Jql.jspa [c.x.r.dao.impl.DAOContextImpl] Error executing SQL select statement
org.postgresql.util.PSQLException: ERROR: missing FROM-clause entry for table "tr"
Position: 435
at org.postgresql.core.v3.QueryExecutorImpl.receiveErrorResponse(QueryExecutorImpl.java:2455)
at org.postgresql.core.v3.QueryExecutorImpl.processResults(QueryExecutorImpl.java:2155)
at org.postgresql.core.v3.QueryExecutorImpl.execute(QueryExecutorImpl.java:288)
at org.postgresql.jdbc.PgStatement.executeInternal(PgStatement.java:430)
at org.postgresql.jdbc.PgStatement.execute(PgStatement.java:356)
at org.postgresql.jdbc.PgPreparedStatement.executeWithFlags(PgPreparedStatement.java:168)
at org.postgresql.jdbc.PgPreparedStatement.executeQuery(PgPreparedStatement.java:116)
at org.apache.commons.dbcp2.DelegatingPreparedStatement.executeQuery(DelegatingPreparedStatement.java:83)
at org.apache.commons.dbcp2.DelegatingPreparedStatement.executeQuery(DelegatingPreparedStatement.java:83)
at com.xpandit.raven.dao.impl.DAOContextImpl.a(Unknown Source)
at com.xpandit.raven.dao.impl.DAOContextImpl.a(Unknown Source)
at com.xpandit.raven.dao.impl.DAOContextImpl.a(Unknown Source)
at com.xpandit.raven.dao.impl.TestRunDAOImpl.a(Unknown Source)
at com.xpandit.raven.jqlfunc.TestExecWithTestRunsAssignedToUserFunction.getValues(Unknown Source)