vineetgarg02 commented on a change in pull request #1852: [CALCITE-3848]
Materialized view rewriting fails for mv consisting of group by on join keys
(Vineet Garg)
URL: https://github.com/apache/calcite/pull/1852#discussion_r390049788
##########
File path:
core/src/main/java/org/apache/calcite/rel/rules/materialize/MaterializedViewRule.java
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@@ -1187,7 +1187,7 @@ protected RexNode shuttleReferences(final RexBuilder
rexBuilder,
}
int pos = c.iterator().next();
if (rewritingMapping != null) {
- pos = rewritingMapping.getTargetOpt(pos);
+ pos = rewritingMapping.get(pos).iterator().next();
if (pos == -1) {
Review comment:
Yup good catch.
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