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commit 73a4fbd7372fbf01b5bcbc4a2ccb36a7011df8fa
Author: min <[email protected]>
AuthorDate: Thu May 19 19:17:40 2022 +0800

    fix: reformat code style
---
 .../connector/convertor/RowResultConvertor.java    |  1 -
 .../connector/convertor/RowResultRowConvertor.java |  1 -
 .../kudu/connector/reader/KuduReaderIterator.java  |  3 ---
 .../connectors/kudu/format/KuduRowInputFormat.java | 12 ++++++----
 .../kudu/table/dynamic/KuduDynamicTableSink.java   | 15 +++++++-----
 .../kudu/table/dynamic/KuduDynamicTableSource.java |  4 ++--
 .../dynamic/KuduDynamicTableSourceSinkFactory.java |  2 --
 .../table/dynamic/catalog/KuduCatalogFactory.java  |  3 ---
 .../lookup/AbstractKuduLookupFunction.java         |  1 -
 .../table/function/lookup/KuduLookupOptions.java   |  2 +-
 .../function/lookup/KuduRowDataLookupFunction.java |  1 -
 .../kudu/table/utils/KuduTableUtils.java           | 28 ++++++++--------------
 .../kudu/table/KuduTableSourceITCase.java          |  3 ---
 .../kudu/table/dynamic/KuduDynamicSinkTest.java    | 12 +++-------
 .../kudu/table/dynamic/KuduDynamicSourceTest.java  |  2 +-
 .../dynamic/KuduRowDataLookupFunctionTest.java     |  2 +-
 .../writer/RowDataUpsertOperationMapperTest.java   | 13 +---------
 17 files changed, 35 insertions(+), 70 deletions(-)

diff --git 
a/flink-connector-kudu/src/main/java/org/apache/flink/connectors/kudu/connector/convertor/RowResultConvertor.java
 
b/flink-connector-kudu/src/main/java/org/apache/flink/connectors/kudu/connector/convertor/RowResultConvertor.java
index f7cca84..ee71b3c 100644
--- 
a/flink-connector-kudu/src/main/java/org/apache/flink/connectors/kudu/connector/convertor/RowResultConvertor.java
+++ 
b/flink-connector-kudu/src/main/java/org/apache/flink/connectors/kudu/connector/convertor/RowResultConvertor.java
@@ -14,7 +14,6 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
 package org.apache.flink.connectors.kudu.connector.convertor;
 
 import org.apache.flink.annotation.Internal;
diff --git 
a/flink-connector-kudu/src/main/java/org/apache/flink/connectors/kudu/connector/convertor/RowResultRowConvertor.java
 
b/flink-connector-kudu/src/main/java/org/apache/flink/connectors/kudu/connector/convertor/RowResultRowConvertor.java
index 1146d49..be9b448 100644
--- 
a/flink-connector-kudu/src/main/java/org/apache/flink/connectors/kudu/connector/convertor/RowResultRowConvertor.java
+++ 
b/flink-connector-kudu/src/main/java/org/apache/flink/connectors/kudu/connector/convertor/RowResultRowConvertor.java
@@ -14,7 +14,6 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
 package org.apache.flink.connectors.kudu.connector.convertor;
 
 import org.apache.flink.annotation.Internal;
diff --git 
a/flink-connector-kudu/src/main/java/org/apache/flink/connectors/kudu/connector/reader/KuduReaderIterator.java
 
b/flink-connector-kudu/src/main/java/org/apache/flink/connectors/kudu/connector/reader/KuduReaderIterator.java
index f31e959..543e41e 100644
--- 
a/flink-connector-kudu/src/main/java/org/apache/flink/connectors/kudu/connector/reader/KuduReaderIterator.java
+++ 
b/flink-connector-kudu/src/main/java/org/apache/flink/connectors/kudu/connector/reader/KuduReaderIterator.java
@@ -18,9 +18,6 @@ package org.apache.flink.connectors.kudu.connector.reader;
 
 import org.apache.flink.annotation.Internal;
 import org.apache.flink.connectors.kudu.connector.convertor.RowResultConvertor;
-import org.apache.flink.types.Row;
-
-import org.apache.kudu.Schema;
 import org.apache.kudu.client.KuduException;
 import org.apache.kudu.client.KuduScanner;
 import org.apache.kudu.client.RowResult;
diff --git 
a/flink-connector-kudu/src/main/java/org/apache/flink/connectors/kudu/format/KuduRowInputFormat.java
 
b/flink-connector-kudu/src/main/java/org/apache/flink/connectors/kudu/format/KuduRowInputFormat.java
index 99b5155..f7e5bf9 100644
--- 
a/flink-connector-kudu/src/main/java/org/apache/flink/connectors/kudu/format/KuduRowInputFormat.java
+++ 
b/flink-connector-kudu/src/main/java/org/apache/flink/connectors/kudu/format/KuduRowInputFormat.java
@@ -26,23 +26,25 @@ import org.apache.flink.types.Row;
 
 import java.util.List;
 
-import static org.apache.flink.util.Preconditions.checkNotNull;
-
 /**
  * InputFormat based on the row object type
  */
 @PublicEvolving
 public class KuduRowInputFormat extends AbstractKuduInputFormat<Row> {
 
-    public KuduRowInputFormat(KuduReaderConfig readerConfig, 
RowResultConvertor<Row> rowResultConvertor, KuduTableInfo tableInfo) {
+    public KuduRowInputFormat(KuduReaderConfig readerConfig, 
RowResultConvertor<Row> rowResultConvertor,
+                              KuduTableInfo tableInfo) {
         super(readerConfig, rowResultConvertor, tableInfo);
     }
 
-    public KuduRowInputFormat(KuduReaderConfig readerConfig, 
RowResultConvertor<Row> rowResultConvertor, KuduTableInfo tableInfo, 
List<String> tableProjections) {
+    public KuduRowInputFormat(KuduReaderConfig readerConfig, 
RowResultConvertor<Row> rowResultConvertor,
+                              KuduTableInfo tableInfo, List<String> 
tableProjections) {
         super(readerConfig, rowResultConvertor, tableInfo, tableProjections);
     }
 
-    public KuduRowInputFormat(KuduReaderConfig readerConfig, 
RowResultConvertor<Row> rowResultConvertor, KuduTableInfo tableInfo, 
List<KuduFilterInfo> tableFilters, List<String> tableProjections) {
+    public KuduRowInputFormat(KuduReaderConfig readerConfig, 
RowResultConvertor<Row> rowResultConvertor,
+                              KuduTableInfo tableInfo, List<KuduFilterInfo> 
tableFilters,
+                              List<String> tableProjections) {
         super(readerConfig, rowResultConvertor, tableInfo, tableFilters, 
tableProjections);
     }
 
diff --git 
a/flink-connector-kudu/src/main/java/org/apache/flink/connectors/kudu/table/dynamic/KuduDynamicTableSink.java
 
b/flink-connector-kudu/src/main/java/org/apache/flink/connectors/kudu/table/dynamic/KuduDynamicTableSink.java
index 6237c94..179c01f 100644
--- 
a/flink-connector-kudu/src/main/java/org/apache/flink/connectors/kudu/table/dynamic/KuduDynamicTableSink.java
+++ 
b/flink-connector-kudu/src/main/java/org/apache/flink/connectors/kudu/table/dynamic/KuduDynamicTableSink.java
@@ -14,7 +14,6 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
 package org.apache.flink.connectors.kudu.table.dynamic;
 
 import org.apache.flink.connectors.kudu.connector.KuduTableInfo;
@@ -25,20 +24,22 @@ import org.apache.flink.table.api.TableSchema;
 import org.apache.flink.table.connector.ChangelogMode;
 import org.apache.flink.table.connector.sink.DynamicTableSink;
 import org.apache.flink.table.connector.sink.SinkFunctionProvider;
-import org.apache.flink.table.connector.source.DynamicTableSource;
 import org.apache.flink.table.data.RowData;
 import org.apache.flink.types.RowKind;
 import org.apache.flink.util.Preconditions;
 
 import java.util.Objects;
 
-/** A {@link KuduDynamicTableSink} for Kudu. */
+/**
+ * A {@link KuduDynamicTableSink} for Kudu.
+ */
 public class KuduDynamicTableSink implements DynamicTableSink {
     private final KuduWriterConfig.Builder writerConfigBuilder;
     private final TableSchema flinkSchema;
     private final KuduTableInfo tableInfo;
 
-    public KuduDynamicTableSink(KuduWriterConfig.Builder writerConfigBuilder, 
TableSchema flinkSchema, KuduTableInfo tableInfo) {
+    public KuduDynamicTableSink(KuduWriterConfig.Builder writerConfigBuilder, 
TableSchema flinkSchema,
+                                KuduTableInfo tableInfo) {
         this.writerConfigBuilder = writerConfigBuilder;
         this.flinkSchema = flinkSchema;
         this.tableInfo = tableInfo;
@@ -56,7 +57,8 @@ public class KuduDynamicTableSink implements DynamicTableSink 
{
 
     @Override
     public SinkRuntimeProvider getSinkRuntimeProvider(Context context) {
-        KuduSink<RowData> upsertKuduSink = new 
KuduSink<>(writerConfigBuilder.build(), tableInfo, new 
RowDataUpsertOperationMapper(flinkSchema));
+        KuduSink<RowData> upsertKuduSink = new 
KuduSink<>(writerConfigBuilder.build(), tableInfo,
+                new RowDataUpsertOperationMapper(flinkSchema));
         return SinkFunctionProvider.of(upsertKuduSink);
     }
 
@@ -75,7 +77,8 @@ public class KuduDynamicTableSink implements DynamicTableSink 
{
         if (this == o) return true;
         if (o == null || getClass() != o.getClass()) return false;
         KuduDynamicTableSink that = (KuduDynamicTableSink) o;
-        return Objects.equals(writerConfigBuilder, that.writerConfigBuilder) 
&& Objects.equals(flinkSchema, that.flinkSchema) && Objects.equals(tableInfo, 
that.tableInfo);
+        return Objects.equals(writerConfigBuilder, that.writerConfigBuilder) 
&& Objects.equals(flinkSchema,
+                that.flinkSchema) && Objects.equals(tableInfo, that.tableInfo);
     }
 
     @Override
diff --git 
a/flink-connector-kudu/src/main/java/org/apache/flink/connectors/kudu/table/dynamic/KuduDynamicTableSource.java
 
b/flink-connector-kudu/src/main/java/org/apache/flink/connectors/kudu/table/dynamic/KuduDynamicTableSource.java
index b576ccb..2022cd7 100644
--- 
a/flink-connector-kudu/src/main/java/org/apache/flink/connectors/kudu/table/dynamic/KuduDynamicTableSource.java
+++ 
b/flink-connector-kudu/src/main/java/org/apache/flink/connectors/kudu/table/dynamic/KuduDynamicTableSource.java
@@ -154,8 +154,8 @@ public class KuduDynamicTableSource implements 
ScanTableSource, SupportsProjecti
 
     @Override
     public int hashCode() {
-        int result = Objects.hash(configBuilder, tableInfo, physicalSchema, 
kuduLookupOptions, kuduRowDataInputFormat
-                , filters, predicates);
+        int result = Objects.hash(configBuilder, tableInfo, physicalSchema,
+                kuduLookupOptions, kuduRowDataInputFormat, filters, 
predicates);
         result = 31 * result + Arrays.hashCode(projectedFields);
         return result;
     }
diff --git 
a/flink-connector-kudu/src/main/java/org/apache/flink/connectors/kudu/table/dynamic/KuduDynamicTableSourceSinkFactory.java
 
b/flink-connector-kudu/src/main/java/org/apache/flink/connectors/kudu/table/dynamic/KuduDynamicTableSourceSinkFactory.java
index e8f4f7b..973a81e 100644
--- 
a/flink-connector-kudu/src/main/java/org/apache/flink/connectors/kudu/table/dynamic/KuduDynamicTableSourceSinkFactory.java
+++ 
b/flink-connector-kudu/src/main/java/org/apache/flink/connectors/kudu/table/dynamic/KuduDynamicTableSourceSinkFactory.java
@@ -22,8 +22,6 @@ import org.apache.flink.configuration.ReadableConfig;
 import org.apache.flink.connectors.kudu.connector.KuduTableInfo;
 import org.apache.flink.connectors.kudu.connector.reader.KuduReaderConfig;
 import org.apache.flink.connectors.kudu.connector.writer.KuduWriterConfig;
-import org.apache.flink.connectors.kudu.table.dynamic.KuduDynamicTableSink;
-import org.apache.flink.connectors.kudu.table.dynamic.KuduDynamicTableSource;
 import 
org.apache.flink.connectors.kudu.table.function.lookup.KuduLookupOptions;
 import org.apache.flink.connectors.kudu.table.utils.KuduTableUtils;
 import org.apache.flink.table.api.TableSchema;
diff --git 
a/flink-connector-kudu/src/main/java/org/apache/flink/connectors/kudu/table/dynamic/catalog/KuduCatalogFactory.java
 
b/flink-connector-kudu/src/main/java/org/apache/flink/connectors/kudu/table/dynamic/catalog/KuduCatalogFactory.java
index 704d31c..8ad9350 100644
--- 
a/flink-connector-kudu/src/main/java/org/apache/flink/connectors/kudu/table/dynamic/catalog/KuduCatalogFactory.java
+++ 
b/flink-connector-kudu/src/main/java/org/apache/flink/connectors/kudu/table/dynamic/catalog/KuduCatalogFactory.java
@@ -15,12 +15,10 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
 package org.apache.flink.connectors.kudu.table.dynamic.catalog;
 
 import org.apache.flink.annotation.Internal;
 import org.apache.flink.configuration.ConfigOption;
-import org.apache.flink.connectors.kudu.table.KuduCatalog;
 import org.apache.flink.table.catalog.Catalog;
 import org.apache.flink.table.factories.CatalogFactory;
 import org.apache.flink.table.factories.FactoryUtil;
@@ -70,5 +68,4 @@ public class KuduCatalogFactory implements CatalogFactory {
                 helper.getOptions().get(KUDU_MASTERS));
     }
 
-
 }
diff --git 
a/flink-connector-kudu/src/main/java/org/apache/flink/connectors/kudu/table/function/lookup/AbstractKuduLookupFunction.java
 
b/flink-connector-kudu/src/main/java/org/apache/flink/connectors/kudu/table/function/lookup/AbstractKuduLookupFunction.java
index 60ca7ce..5cb83d0 100644
--- 
a/flink-connector-kudu/src/main/java/org/apache/flink/connectors/kudu/table/function/lookup/AbstractKuduLookupFunction.java
+++ 
b/flink-connector-kudu/src/main/java/org/apache/flink/connectors/kudu/table/function/lookup/AbstractKuduLookupFunction.java
@@ -15,7 +15,6 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
 package org.apache.flink.connectors.kudu.table.function.lookup;
 
 import org.apache.commons.collections.CollectionUtils;
diff --git 
a/flink-connector-kudu/src/main/java/org/apache/flink/connectors/kudu/table/function/lookup/KuduLookupOptions.java
 
b/flink-connector-kudu/src/main/java/org/apache/flink/connectors/kudu/table/function/lookup/KuduLookupOptions.java
index 57d408b..5ff3734 100644
--- 
a/flink-connector-kudu/src/main/java/org/apache/flink/connectors/kudu/table/function/lookup/KuduLookupOptions.java
+++ 
b/flink-connector-kudu/src/main/java/org/apache/flink/connectors/kudu/table/function/lookup/KuduLookupOptions.java
@@ -15,8 +15,8 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
 package org.apache.flink.connectors.kudu.table.function.lookup;
+
 /**
  * Options for the Kudu lookup.
  */
diff --git 
a/flink-connector-kudu/src/main/java/org/apache/flink/connectors/kudu/table/function/lookup/KuduRowDataLookupFunction.java
 
b/flink-connector-kudu/src/main/java/org/apache/flink/connectors/kudu/table/function/lookup/KuduRowDataLookupFunction.java
index c87d5f1..0f400aa 100644
--- 
a/flink-connector-kudu/src/main/java/org/apache/flink/connectors/kudu/table/function/lookup/KuduRowDataLookupFunction.java
+++ 
b/flink-connector-kudu/src/main/java/org/apache/flink/connectors/kudu/table/function/lookup/KuduRowDataLookupFunction.java
@@ -15,7 +15,6 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
 package org.apache.flink.connectors.kudu.table.function.lookup;
 
 import org.apache.flink.connectors.kudu.connector.KuduTableInfo;
diff --git 
a/flink-connector-kudu/src/main/java/org/apache/flink/connectors/kudu/table/utils/KuduTableUtils.java
 
b/flink-connector-kudu/src/main/java/org/apache/flink/connectors/kudu/table/utils/KuduTableUtils.java
index 1d97462..1d5be62 100644
--- 
a/flink-connector-kudu/src/main/java/org/apache/flink/connectors/kudu/table/utils/KuduTableUtils.java
+++ 
b/flink-connector-kudu/src/main/java/org/apache/flink/connectors/kudu/table/utils/KuduTableUtils.java
@@ -14,17 +14,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
 package org.apache.flink.connectors.kudu.table.utils;
 
-import org.apache.commons.lang3.ArrayUtils;
-import org.apache.commons.lang3.StringUtils;
 import org.apache.flink.api.java.tuple.Tuple2;
 import org.apache.flink.connectors.kudu.connector.ColumnSchemasFactory;
 import org.apache.flink.connectors.kudu.connector.CreateTableOptionsFactory;
 import org.apache.flink.connectors.kudu.connector.KuduFilterInfo;
 import org.apache.flink.connectors.kudu.connector.KuduTableInfo;
-import org.apache.flink.connectors.kudu.table.KuduTableFactory;
+import org.apache.flink.shaded.guava30.com.google.common.collect.Lists;
 import org.apache.flink.table.api.TableSchema;
 import org.apache.flink.table.expressions.CallExpression;
 import org.apache.flink.table.expressions.Expression;
@@ -36,36 +33,27 @@ import org.apache.flink.table.types.DataType;
 import org.apache.flink.table.types.logical.DecimalType;
 import org.apache.flink.table.types.logical.TimestampType;
 import org.apache.flink.table.utils.TableSchemaUtils;
-
-import org.apache.flink.shaded.guava30.com.google.common.collect.Lists;
-
 import org.apache.kudu.ColumnSchema;
 import org.apache.kudu.ColumnTypeAttributes;
 import org.apache.kudu.Schema;
 import org.apache.kudu.client.CreateTableOptions;
-import org.apache.kudu.client.PartialRow;
-import org.apache.kudu.client.RangePartitionBound;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 import javax.annotation.Nullable;
-import java.math.BigDecimal;
-import java.nio.charset.Charset;
 import java.sql.Timestamp;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collection;
-import java.util.HashSet;
 import java.util.List;
 import java.util.Map;
 import java.util.Optional;
-import java.util.Set;
 import java.util.stream.Collectors;
 
-import static 
org.apache.flink.connectors.kudu.table.dynamic.KuduDynamicTableSourceSinkFactory.KUDU_PRIMARY_KEY_COLS;
 import static 
org.apache.flink.connectors.kudu.table.dynamic.KuduDynamicTableSourceSinkFactory.KUDU_HASH_COLS;
-import static 
org.apache.flink.connectors.kudu.table.dynamic.KuduDynamicTableSourceSinkFactory.KUDU_REPLICAS;
 import static 
org.apache.flink.connectors.kudu.table.dynamic.KuduDynamicTableSourceSinkFactory.KUDU_HASH_PARTITION_NUMS;
+import static 
org.apache.flink.connectors.kudu.table.dynamic.KuduDynamicTableSourceSinkFactory.KUDU_PRIMARY_KEY_COLS;
+import static 
org.apache.flink.connectors.kudu.table.dynamic.KuduDynamicTableSourceSinkFactory.KUDU_REPLICAS;
 
 
 public class KuduTableUtils {
@@ -89,7 +77,8 @@ public class KuduTableUtils {
             ColumnSchemasFactory schemasFactory = () -> 
toKuduConnectorColumns(columns, keyColumns);
             int replicas = 
Optional.ofNullable(props.get(KUDU_REPLICAS.key())).map(Integer::parseInt).orElse(1);
             // if hash partitions nums not exists,default 3;
-            int hashPartitionNums = 
Optional.ofNullable(props.get(KUDU_HASH_PARTITION_NUMS.key())).map(Integer::parseInt).orElse(3);
+            int hashPartitionNums =
+                    
Optional.ofNullable(props.get(KUDU_HASH_PARTITION_NUMS.key())).map(Integer::parseInt).orElse(3);
             CreateTableOptionsFactory optionsFactory = () -> new 
CreateTableOptions()
                     .setNumReplicas(replicas)
                     .addHashPartitions(getHashColumns(props), 
hashPartitionNums);
@@ -101,7 +90,8 @@ public class KuduTableUtils {
         return tableInfo;
     }
 
-    public static List<ColumnSchema> 
toKuduConnectorColumns(List<Tuple2<String, DataType>> columns, 
Collection<String> keyColumns) {
+    public static List<ColumnSchema> 
toKuduConnectorColumns(List<Tuple2<String, DataType>> columns,
+                                                            Collection<String> 
keyColumns) {
         return columns.stream()
                 .map(t -> {
                             ColumnSchema.ColumnSchemaBuilder builder = new 
ColumnSchema
@@ -132,7 +122,9 @@ public class KuduTableUtils {
     }
 
     public static List<String> getPrimaryKeyColumns(Map<String, String> 
tableProperties, TableSchema tableSchema) {
-        return tableProperties.containsKey(KUDU_PRIMARY_KEY_COLS.key()) ? 
Arrays.asList(tableProperties.get(KUDU_PRIMARY_KEY_COLS.key()).split(",")) : 
tableSchema.getPrimaryKey().get().getColumns();
+        return tableProperties.containsKey(KUDU_PRIMARY_KEY_COLS.key()) ?
+                
Arrays.asList(tableProperties.get(KUDU_PRIMARY_KEY_COLS.key()).split(",")) :
+                tableSchema.getPrimaryKey().get().getColumns();
     }
 
     public static List<String> getHashColumns(Map<String, String> 
tableProperties) {
diff --git 
a/flink-connector-kudu/src/test/java/org/apache/flink/connectors/kudu/table/KuduTableSourceITCase.java
 
b/flink-connector-kudu/src/test/java/org/apache/flink/connectors/kudu/table/KuduTableSourceITCase.java
index a8d3674..d3d4a63 100644
--- 
a/flink-connector-kudu/src/test/java/org/apache/flink/connectors/kudu/table/KuduTableSourceITCase.java
+++ 
b/flink-connector-kudu/src/test/java/org/apache/flink/connectors/kudu/table/KuduTableSourceITCase.java
@@ -18,12 +18,9 @@ package org.apache.flink.connectors.kudu.table;
 
 import org.apache.flink.connectors.kudu.connector.KuduTableInfo;
 import org.apache.flink.connectors.kudu.connector.KuduTestBase;
-import org.apache.flink.table.api.EnvironmentSettings;
-import org.apache.flink.table.api.StatementSet;
 import org.apache.flink.table.api.TableEnvironment;
 import org.apache.flink.types.Row;
 import org.apache.flink.util.CloseableIterator;
-import org.junit.Ignore;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 
diff --git 
a/flink-connector-kudu/src/test/java/org/apache/flink/connectors/kudu/table/dynamic/KuduDynamicSinkTest.java
 
b/flink-connector-kudu/src/test/java/org/apache/flink/connectors/kudu/table/dynamic/KuduDynamicSinkTest.java
index a5fc007..80f60cf 100644
--- 
a/flink-connector-kudu/src/test/java/org/apache/flink/connectors/kudu/table/dynamic/KuduDynamicSinkTest.java
+++ 
b/flink-connector-kudu/src/test/java/org/apache/flink/connectors/kudu/table/dynamic/KuduDynamicSinkTest.java
@@ -23,17 +23,10 @@ import org.apache.flink.table.api.TableEnvironment;
 import org.apache.flink.table.api.bridge.java.StreamTableEnvironment;
 import org.apache.flink.types.Row;
 import org.apache.flink.util.CloseableIterator;
-import org.apache.flink.util.CollectionUtil;
 import org.junit.jupiter.api.AfterEach;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 
-import java.util.Iterator;
-import java.util.List;
-import java.util.stream.Collectors;
-import java.util.stream.Stream;
-
-import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertNotNull;
 
 /**
@@ -60,7 +53,7 @@ public class KuduDynamicSinkTest extends KuduTestBase {
 
     @Test
     public void testKuduSink() throws Exception {
-        String createSql="CREATE TABLE "
+        String createSql = "CREATE TABLE "
                 + INPUT_TABLE
                 + "("
                 + "id int,"
@@ -84,7 +77,8 @@ public class KuduDynamicSinkTest extends KuduTestBase {
                 + ")";
         tEnv.executeSql(createSql);
         tEnv.executeSql("insert into " + INPUT_TABLE + " values(1006,'test 
title','test author',10.1,10)");
-        CloseableIterator<Row> collected = tEnv.executeSql("select * from " + 
INPUT_TABLE + " where id =1006").collect();
+        CloseableIterator<Row> collected =
+                tEnv.executeSql("select * from " + INPUT_TABLE + " where id 
=1006").collect();
         assertNotNull(collected);
     }
 }
diff --git 
a/flink-connector-kudu/src/test/java/org/apache/flink/connectors/kudu/table/dynamic/KuduDynamicSourceTest.java
 
b/flink-connector-kudu/src/test/java/org/apache/flink/connectors/kudu/table/dynamic/KuduDynamicSourceTest.java
index 1504c7e..2cab282 100644
--- 
a/flink-connector-kudu/src/test/java/org/apache/flink/connectors/kudu/table/dynamic/KuduDynamicSourceTest.java
+++ 
b/flink-connector-kudu/src/test/java/org/apache/flink/connectors/kudu/table/dynamic/KuduDynamicSourceTest.java
@@ -39,7 +39,7 @@ import static org.junit.jupiter.api.Assertions.assertNotNull;
  * Unit Tests for {@link KuduDynamicTableSource}.
  */
 public class KuduDynamicSourceTest extends KuduTestBase {
-    public final static String INPUT_TABLE = "books";
+    public static final String INPUT_TABLE = "books";
     public static StreamExecutionEnvironment env;
     public static TableEnvironment tEnv;
 
diff --git 
a/flink-connector-kudu/src/test/java/org/apache/flink/connectors/kudu/table/dynamic/KuduRowDataLookupFunctionTest.java
 
b/flink-connector-kudu/src/test/java/org/apache/flink/connectors/kudu/table/dynamic/KuduRowDataLookupFunctionTest.java
index 14f5f52..bc3d51a 100644
--- 
a/flink-connector-kudu/src/test/java/org/apache/flink/connectors/kudu/table/dynamic/KuduRowDataLookupFunctionTest.java
+++ 
b/flink-connector-kudu/src/test/java/org/apache/flink/connectors/kudu/table/dynamic/KuduRowDataLookupFunctionTest.java
@@ -38,7 +38,7 @@ import static org.junit.jupiter.api.Assertions.assertNotNull;
  * Unit Tests for {@link KuduRowDataLookupFunction}.
  */
 public class KuduRowDataLookupFunctionTest extends KuduTestBase {
-    public final static String INPUT_TABLE = "books";
+    public static final String INPUT_TABLE = "books";
     public static KuduTableInfo tableInfo;
 
     @BeforeEach
diff --git 
a/flink-connector-kudu/src/test/java/org/apache/flink/connectors/kudu/writer/RowDataUpsertOperationMapperTest.java
 
b/flink-connector-kudu/src/test/java/org/apache/flink/connectors/kudu/writer/RowDataUpsertOperationMapperTest.java
index 1037d41..dec125d 100644
--- 
a/flink-connector-kudu/src/test/java/org/apache/flink/connectors/kudu/writer/RowDataUpsertOperationMapperTest.java
+++ 
b/flink-connector-kudu/src/test/java/org/apache/flink/connectors/kudu/writer/RowDataUpsertOperationMapperTest.java
@@ -17,32 +17,21 @@
 package org.apache.flink.connectors.kudu.writer;
 
 import org.apache.flink.connectors.kudu.connector.KuduTestBase;
-import 
org.apache.flink.connectors.kudu.connector.writer.AbstractSingleOperationMapper;
 import 
org.apache.flink.connectors.kudu.connector.writer.RowDataUpsertOperationMapper;
-import org.apache.flink.connectors.kudu.connector.writer.RowOperationMapper;
-import org.apache.flink.connectors.kudu.table.dynamic.KuduDynamicTableSource;
-import org.apache.flink.connectors.kudu.table.utils.KuduTableUtils;
-import org.apache.flink.table.data.DecimalData;
 import org.apache.flink.table.data.RowData;
-import org.apache.flink.table.data.StringData;
-import org.apache.flink.table.types.logical.DecimalType;
-import org.apache.flink.table.types.logical.LogicalType;
-import org.apache.flink.types.Row;
 import org.apache.kudu.client.Operation;
 import org.junit.jupiter.api.Assertions;
 import org.junit.jupiter.api.Test;
 
 import java.util.List;
 
-import static 
org.apache.flink.table.types.logical.utils.LogicalTypeChecks.getPrecision;
 import static org.junit.Assert.assertEquals;
-import static org.junit.jupiter.api.Assertions.*;
 import static org.mockito.Mockito.verify;
 
 /**
  * Unit Tests for {@link RowDataUpsertOperationMapper}.
  */
-public class RowDataUpsertOperationMapperTest  extends AbstractOperationTest {
+public class RowDataUpsertOperationMapperTest extends AbstractOperationTest {
 
     @Test
     void testGetField() {

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