Calcite. NATURAL JOIN fails.

statement ok
CREATE TABLE t1 (a INTEGER, b INTEGER)

statement ok
INSERT INTO t1 VALUES (1, 2)

statement ok
CREATE TABLE t2 (a INTEGER, c INTEGER)

statement ok
INSERT INTO t2 VALUES (1, 3), (2, 4)

query III
SELECT * FROM t1 NATURAL JOIN t2
----
1	2	3

java.lang.ArrayIndexOutOfBoundsException: 4

	at com.google.common.collect.RegularImmutableList.get(RegularImmutableList.java:60)
	at org.apache.calcite.sql.validate.SqlValidatorImpl$Permute.permute(SqlValidatorImpl.java:7089)
	at org.apache.calcite.sql.validate.SqlValidatorImpl.expandStar(SqlValidatorImpl.java:662)
	at org.apache.calcite.sql.validate.SqlValidatorImpl.expandSelectItem(SqlValidatorImpl.java:424)
	at org.apache.calcite.sql.validate.SqlValidatorImpl.validateSelectList(SqlValidatorImpl.java:4414)
	at org.apache.calcite.sql.validate.SqlValidatorImpl.validateSelect(SqlValidatorImpl.java:3657)
	at org.apache.ignite.internal.processors.query.calcite.prepare.IgniteSqlValidator.validateSelect(IgniteSqlValidator.java:182)

/join/natural/natural_join.test[_ignored]