snuyanzin commented on code in PR #20850:
URL: https://github.com/apache/flink/pull/20850#discussion_r972985031
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flink-table/flink-table-planner/src/main/java/org/apache/calcite/rel/core/Minus.java:
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@@ -44,7 +44,7 @@
*/
public abstract class Minus extends SetOp {
- public Minus(
+ protected Minus(
Review Comment:
Changes in this file are from calcite 1.27.0
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flink-table/flink-table-planner/src/main/java/org/apache/calcite/rel/core/Sort.java:
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@@ -33,9 +33,11 @@
import org.apache.calcite.rel.hint.Hintable;
import org.apache.calcite.rel.hint.RelHint;
import org.apache.calcite.rel.metadata.RelMetadataQuery;
+import org.apache.calcite.rex.RexLiteral;
import org.apache.calcite.rex.RexNode;
import org.apache.calcite.rex.RexShuttle;
import org.apache.calcite.util.Util;
+import org.checkerframework.checker.nullness.qual.Nullable;
Review Comment:
Changes in this file are from calcite 1.27.0
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