[CALCITE-2505] RexSimplify: isFalse(isNotDistinctFrom(vBool(0), vBool(1))) causes AssertionError: wrong operand count 1 for IS DISTINCT FROM

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.17.0
• Fix Version/s: 1.18.0
• Component/s: core
• Labels: newbie
• Assignee: Julian Hyde
• Reporter: Vladimir Sitnikov
• Created: 29/Aug/18 20:48
• Updated: 23/Dec/18 00:12
• Resolved: 12/Sep/18 09:21

Description

simplify( isFalse(isNotDistinctFrom(vBool(0), vBool(1))) ) leads to

java.lang.AssertionError: wrong operand count 1 for IS DISTINCT FROM

	at org.apache.calcite.util.Litmus$1.fail(Litmus.java:31)
	at org.apache.calcite.sql.SqlBinaryOperator.validRexOperands(SqlBinaryOperator.java:219)
	at org.apache.calcite.rex.RexCall.<init>(RexCall.java:63)
	at org.apache.calcite.rex.RexBuilder.makeCall(RexBuilder.java:242)
	at org.apache.calcite.rex.RexSimplify.simplifyNot(RexSimplify.java:373)
	at org.apache.calcite.rex.RexSimplify.simplify_(RexSimplify.java:185)
	at org.apache.calcite.rex.RexSimplify.simplifyIs2(RexSimplify.java:468)
	at org.apache.calcite.rex.RexSimplify.simplifyIs(RexSimplify.java:414)
	at org.apache.calcite.rex.RexSimplify.simplify_(RexSimplify.java:202)
	at org.apache.calcite.rex.RexSimplify.lambda$simplify$0(RexSimplify.java:175)
	at org.apache.calcite.rex.RexSimplify.verify(RexSimplify.java:1121)
	at org.apache.calcite.rex.RexSimplify.simplify(RexSimplify.java:175)