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[BugFix] fix list partition multi values' probelm (backport #51036) #52677

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merged 1 commit into from
Nov 7, 2024
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[BugFix] fix list partition multi values' probelm (backport #51036) #52677

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2 changes: 1 addition & 1 deletion fe/fe-core/src/main/java/com/starrocks/catalog/ListPartitionInfo.java
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Original file line number Diff line number Diff line change
Expand Up @@ -221,7 +221,7 @@ public Map<Long, List<String>> getIdToValues() {
* @param id
* @return true if the partition can be pruned
*/
public boolean pruneById(long id) {
public boolean isSingleValuePartition(long id) {
List<String> values = getIdToValues().get(id);
if (values != null && values.size() == 1) {
return true;
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15 changes: 13 additions & 2 deletions ...re/src/main/java/com/starrocks/sql/optimizer/rule/transformation/ListPartitionPruner.java
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Expand Up @@ -589,7 +589,7 @@ private Set<Long> evalBinaryPredicate(BinaryPredicateOperator binaryPredicate) {
} else {
Set<Long> partitionIds = partitionValueMap.get(literal);
for (Long id : partitionIds) {
if (listPartitionInfo.pruneById(id)) {
if (listPartitionInfo.isSingleValuePartition(id)) {
matches.remove(id);
}
}
Expand Down Expand Up @@ -706,7 +706,18 @@ private Set<Long> evalInPredicate(InPredicateOperator inPredicate) {
Set<Long> partitions = partitionValueMap.get(literal);
if (partitions != null) {
if (inPredicate.isNotIn()) {
matches.removeAll(partitions);
// external table, one partition column for one partition can only have one value
if (listPartitionInfo == null) {
matches.removeAll(partitions);
} else {
// for olap table, if one partition is multi value partition like PARTITION pCalifornia VALUES IN ("Los Angeles","San Francisco","San Diego")
// and we have a not in predicate like city not in ("Los Angeles"), it's not safe to remove this partition
for (Long id : partitions) {
if (listPartitionInfo.isSingleValuePartition(id)) {
matches.remove(id);
}
}
}
} else {
matches.addAll(partitions);
}
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