[CALCITE-1688] Query containing set operations (UNION/MINUS/INTERSECT) would cause infinite loop in materialization substitution

• Type: Bug
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 1.11.0
• Fix Version/s: 1.12.0
• Component/s: core
• Assignee: Wei Xue
• Reporter: Wei Xue
• Created: 09/Mar/17 23:21
• Updated: 24/Mar/17 03:20
• Resolved: 14/Mar/17 00:41

Description

Example: select a from t1 union all select a from t2 where materialized views are defined on t1 and/or t2.
This is because MutableMultiRel, being super class of MutableSetOp, did not set "parent" and "ordinal" for its input rels.