morrySnow commented on code in PR #48887:
URL: https://github.com/apache/doris/pull/48887#discussion_r2000921870
##########
fe/fe-core/src/main/java/org/apache/doris/nereids/rules/exploration/mv/mapping/RelationMapping.java:
##########
@@ -192,17 +196,22 @@ private static List<Pair<MappedRelation[],
MappedRelation[]>> getUniquePermutati
}
private static void backtrack(MappedRelation[] left, MappedRelation[]
right, int index,
- boolean[] used, MappedRelation[] current,
List<Pair<MappedRelation[], MappedRelation[]>> results) {
+ boolean[] used, MappedRelation[] current,
List<Pair<MappedRelation[], MappedRelation[]>> results,
+ int maxMappingCount) {
+ if (results.size() >= maxMappingCount) {
+ LOG.warn("queryToViewTableMappings is over limit and be
intercepted");
Review Comment:
log size and other key info here
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