Jesus Camacho Rodriguez created CALCITE-1767:
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Summary: Fix join/aggregate rewriting rule when multiple
repetitions of same table exist
Key: CALCITE-1767
URL: https://issues.apache.org/jira/browse/CALCITE-1767
Project: Calcite
Issue Type: Bug
Components: core
Reporter: Jesus Camacho Rodriguez
Assignee: Jesus Camacho Rodriguez
Priority: Critical
Fix For: 1.13.0
Initially caught by coverity scan:
{noformat}
/core/src/main/java/org/apache/calcite/rel/rules/AbstractMaterializedViewRule.java:
950 in
org.apache.calcite.rel.rules.AbstractMaterializedViewRule.generateTableMappings(com.google.common.collect.Multimap)()
944 }
945 result.add(HashBiMap.<RelTableRef, RelTableRef>create());
946 for (Entry<RelTableRef, Collection<RelTableRef>> e :
multiMapTables.asMap().entrySet()) {
947 boolean added = false;
948 for (RelTableRef target : e.getValue()) {
949 if (added) {
CID 144066: API usage errors (INVALIDATE_ITERATOR)
Attempting to obtain another element from "result" after it's been modified.
950 for (BiMap<RelTableRef, RelTableRef> m : result) {
951 final BiMap<RelTableRef, RelTableRef> newM =
952 HashBiMap.<RelTableRef, RelTableRef>create(m);
953 newM.put(e.getKey(), target);
954 result.add(newM);
955 }
{noformat}
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