snuyanzin commented on code in PR #28152:
URL: https://github.com/apache/flink/pull/28152#discussion_r3235155095
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flink-table/flink-table-planner/src/main/java/org/apache/calcite/sql/SqlGroupedWindowFunction.java:
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@@ -26,9 +25,12 @@
import org.apache.calcite.sql.type.SqlReturnTypeInference;
import org.apache.calcite.sql.type.SqlTypeName;
import org.apache.calcite.sql.validate.SqlMonotonicity;
+import org.checkerframework.checker.nullness.qual.Nullable;
import java.util.List;
+import static com.google.common.base.Preconditions.checkArgument;
Review Comment:
Synced with Calcite
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flink-table/flink-table-planner/src/main/java/org/apache/calcite/sql/SqlIntervalQualifier.java:
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@@ -883,7 +883,7 @@ private int[] evaluateIntervalLiteralAsDayToSecond(
// Note: must check two patterns, since fractional second is optional
final int fractionalSecondPrecision =
getFractionalSecondPrecision(typeSystem);
String intervalPatternWithFracSec =
- "(\\d+) (\\d{1,2}):(\\d{1,2}):(\\d{1,2})\\.(\\d{1,"
+ "(\\d+) (\\d{1,2}):(\\d{1,2}):(\\d{1,2})\\.(\\d{0,"
Review Comment:
Synced with Calcite
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