[CALCITE-2586] RexSimplify: case with repeated branches results in assertion error

• 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: 21/Sep/18 21:30
• Updated: 23/Dec/18 00:12
• Resolved: 24/Sep/18 20:55

Description

        case_(
            eq(falseLiteral, falseLiteral), falseLiteral,
            eq(falseLiteral, falseLiteral), isNotNull(trueLiteral),
            isNull(trueLiteral)
        );

java.lang.AssertionError: result mismatch: when applied to {},
CASE(=(false, false), false, =(false, false), IS NOT NULL(true), IS NULL(true)) yielded false,

and =(false, false) yielded true

Issue Links

• links to: PR 860