[CALCITE-2506] RexSimplify: coalesce(unaryPlus(nullInt), unaryPlus(vInt())) results in AssertionError: result mismatch

• 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 21:14
• Updated: 23/Dec/18 00:12
• Resolved: 01/Oct/18 10:00

Description

coalesce(unaryPlus(nullInt), unaryPlus(vInt())) results in

java.lang.AssertionError: result mismatch: when applied to {?0.int0=-1}, COALESCE(+(null), +(?0.int0)) yielded -1, and +(null) yielded NULL

	at org.apache.calcite.rex.RexSimplify.verify(RexSimplify.java:1162)
	at org.apache.calcite.rex.RexSimplify.simplify(RexSimplify.java:175)

Issue Links

• is related to: CALCITE-2326 Generalize p(x) IS TRUE/FALSE/UNKNOWN handling in RexSimplify
• links to: PR 873