deemoliu commented on code in PR #10915:
URL: https://github.com/apache/pinot/pull/10915#discussion_r1258697995
##########
pinot-segment-local/src/main/java/org/apache/pinot/segment/local/utils/TableConfigUtils.java:
##########
@@ -595,6 +595,39 @@ &&
isRoutingStrategyAllowedForUpsert(tableConfig.getRoutingConfig()),
}
}
validateAggregateMetricsForUpsertConfig(tableConfig);
+ validateTTLForUpsertConfig(tableConfig, schema);
+ }
+
+ /**
+ * Validates whether the comparison columns is compatible with Upsert TTL
feature.
+ * Validation fails when one of the comparison columns is not a numeric
value.
+ */
+ @VisibleForTesting
+ static void validateTTLForUpsertConfig(TableConfig tableConfig, Schema
schema) {
+ if (tableConfig.getUpsertMode() == UpsertConfig.Mode.NONE
+ || tableConfig.getUpsertConfig().getUpsertTTLInComparisonTimeUnit() ==
0) {
+ return;
+ }
+
+ // comparison columns should hold timestamp values in numeric values
+ List<String> comparisonColumns =
tableConfig.getUpsertConfig().getComparisonColumns();
+ if (comparisonColumns != null && !comparisonColumns.isEmpty()) {
+
+ // currently we only support 1 comparison column since we need to fetch
endTime in comparisonValue time unit from
+ // columnMetadata. If we have multiple comparison columns, we can only
use the first comparison column as filter.
+ Preconditions.checkState(comparisonColumns.size() <= 1,
Review Comment:
@Jackie-Jiang i think it's possible user doesn't configure any comparison
column and use timeColumn as comparison column by default. so i used <= instead
of ==
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