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The following commit(s) were added to refs/heads/master by this push:
     new 210071f5bdf Refactor InsertStatementContext.containsInsertColumns() 
(#18974)
210071f5bdf is described below

commit 210071f5bdf639774e4fa47a0f4824f81acbd530
Author: Liang Zhang <[email protected]>
AuthorDate: Sat Jul 9 14:54:18 2022 +0800

    Refactor InsertStatementContext.containsInsertColumns() (#18974)
    
    * Refactor InsertStatementContext.containsInsertColumns()
    
    * Refactor InsertStatementContext.containsInsertColumns()
---
 ...stQueryAndPlainInsertColumnsTokenGenerator.java |  6 +---
 ...ptForUseDefaultInsertColumnsTokenGenerator.java |  4 +--
 ...eryAndPlainInsertColumnsTokenGeneratorTest.java | 14 ++--------
 ...eyForUseDefaultInsertColumnsTokenGenerator.java |  2 +-
 .../statement/dml/InsertStatementContext.java      | 28 +++++++------------
 .../statement/impl/InsertStatementContextTest.java | 32 +++++++++++-----------
 .../proxy/arguments/BootstrapArgumentsTest.java    | 14 +++++-----
 .../handler/dml/InsertStatementHandler.java        |  5 +---
 8 files changed, 40 insertions(+), 65 deletions(-)

diff --git 
a/shardingsphere-features/shardingsphere-encrypt/shardingsphere-encrypt-core/src/main/java/org/apache/shardingsphere/encrypt/rewrite/token/generator/AssistQueryAndPlainInsertColumnsTokenGenerator.java
 
b/shardingsphere-features/shardingsphere-encrypt/shardingsphere-encrypt-core/src/main/java/org/apache/shardingsphere/encrypt/rewrite/token/generator/AssistQueryAndPlainInsertColumnsTokenGenerator.java
index 961125f5a8a..3d6539a208b 100644
--- 
a/shardingsphere-features/shardingsphere-encrypt/shardingsphere-encrypt-core/src/main/java/org/apache/shardingsphere/encrypt/rewrite/token/generator/AssistQueryAndPlainInsertColumnsTokenGenerator.java
+++ 
b/shardingsphere-features/shardingsphere-encrypt/shardingsphere-encrypt-core/src/main/java/org/apache/shardingsphere/encrypt/rewrite/token/generator/AssistQueryAndPlainInsertColumnsTokenGenerator.java
@@ -43,11 +43,7 @@ public final class 
AssistQueryAndPlainInsertColumnsTokenGenerator implements Col
     
     @Override
     public boolean isGenerateSQLToken(final SQLStatementContext<?> 
sqlStatementContext) {
-        if (sqlStatementContext instanceof InsertStatementContext) {
-            InsertStatementContext insertStatementContext = 
(InsertStatementContext) sqlStatementContext;
-            return 
insertStatementContext.getSqlStatement().getInsertColumns().isPresent() && 
!insertStatementContext.useDefaultColumns();
-        }
-        return false;
+        return sqlStatementContext instanceof InsertStatementContext && 
((InsertStatementContext) sqlStatementContext).containsInsertColumns();
     }
     
     @Override
diff --git 
a/shardingsphere-features/shardingsphere-encrypt/shardingsphere-encrypt-core/src/main/java/org/apache/shardingsphere/encrypt/rewrite/token/generator/EncryptForUseDefaultInsertColumnsTokenGenerator.java
 
b/shardingsphere-features/shardingsphere-encrypt/shardingsphere-encrypt-core/src/main/java/org/apache/shardingsphere/encrypt/rewrite/token/generator/EncryptForUseDefaultInsertColumnsTokenGenerator.java
index 7cf4b887ada..4c6c9db880c 100644
--- 
a/shardingsphere-features/shardingsphere-encrypt/shardingsphere-encrypt-core/src/main/java/org/apache/shardingsphere/encrypt/rewrite/token/generator/EncryptForUseDefaultInsertColumnsTokenGenerator.java
+++ 
b/shardingsphere-features/shardingsphere-encrypt/shardingsphere-encrypt-core/src/main/java/org/apache/shardingsphere/encrypt/rewrite/token/generator/EncryptForUseDefaultInsertColumnsTokenGenerator.java
@@ -46,8 +46,8 @@ public final class 
EncryptForUseDefaultInsertColumnsTokenGenerator implements Op
     private EncryptRule encryptRule;
     
     @Override
-    public boolean isGenerateSQLToken(final SQLStatementContext 
sqlStatementContext) {
-        return sqlStatementContext instanceof InsertStatementContext && 
((InsertStatementContext) sqlStatementContext).useDefaultColumns();
+    public boolean isGenerateSQLToken(final SQLStatementContext<?> 
sqlStatementContext) {
+        return sqlStatementContext instanceof InsertStatementContext && 
!((InsertStatementContext) sqlStatementContext).containsInsertColumns();
     }
     
     @Override
diff --git 
a/shardingsphere-features/shardingsphere-encrypt/shardingsphere-encrypt-core/src/test/java/org/apache/shardingsphere/encrypt/rewrite/token/AssistQueryAndPlainInsertColumnsTokenGeneratorTest.java
 
b/shardingsphere-features/shardingsphere-encrypt/shardingsphere-encrypt-core/src/test/java/org/apache/shardingsphere/encrypt/rewrite/token/AssistQueryAndPlainInsertColumnsTokenGeneratorTest.java
index 5260a2a43ce..58907728fec 100644
--- 
a/shardingsphere-features/shardingsphere-encrypt/shardingsphere-encrypt-core/src/test/java/org/apache/shardingsphere/encrypt/rewrite/token/AssistQueryAndPlainInsertColumnsTokenGeneratorTest.java
+++ 
b/shardingsphere-features/shardingsphere-encrypt/shardingsphere-encrypt-core/src/test/java/org/apache/shardingsphere/encrypt/rewrite/token/AssistQueryAndPlainInsertColumnsTokenGeneratorTest.java
@@ -24,7 +24,6 @@ import 
org.apache.shardingsphere.infra.binder.statement.SQLStatementContext;
 import 
org.apache.shardingsphere.infra.binder.statement.dml.InsertStatementContext;
 import 
org.apache.shardingsphere.infra.rewrite.sql.token.pojo.generic.InsertColumnsToken;
 import 
org.apache.shardingsphere.sql.parser.sql.common.segment.dml.column.ColumnSegment;
-import 
org.apache.shardingsphere.sql.parser.sql.common.segment.dml.column.InsertColumnsSegment;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.mockito.junit.MockitoJUnitRunner;
@@ -52,22 +51,13 @@ public class 
AssistQueryAndPlainInsertColumnsTokenGeneratorTest {
     @Test
     public void assertIsNotGenerateSQLTokenWithoutInsertColumns() {
         InsertStatementContext insertStatementContext = 
mock(InsertStatementContext.class, RETURNS_DEEP_STUBS);
-        
when(insertStatementContext.getSqlStatement().getInsertColumns()).thenReturn(Optional.empty());
         assertFalse(new 
AssistQueryAndPlainInsertColumnsTokenGenerator().isGenerateSQLToken(insertStatementContext));
     }
     
     @Test
-    public void assertIsNotGenerateSQLTokenWithDefaultColumns() {
+    public void assertIsGenerateSQLTokenWithInsertColumns() {
         InsertStatementContext insertStatementContext = 
mock(InsertStatementContext.class, RETURNS_DEEP_STUBS);
-        
when(insertStatementContext.getSqlStatement().getInsertColumns()).thenReturn(Optional.of(mock(InsertColumnsSegment.class)));
-        when(insertStatementContext.useDefaultColumns()).thenReturn(true);
-        assertFalse(new 
AssistQueryAndPlainInsertColumnsTokenGenerator().isGenerateSQLToken(insertStatementContext));
-    }
-    
-    @Test
-    public void assertIsGenerateSQLToken() {
-        InsertStatementContext insertStatementContext = 
mock(InsertStatementContext.class, RETURNS_DEEP_STUBS);
-        
when(insertStatementContext.getSqlStatement().getInsertColumns()).thenReturn(Optional.of(mock(InsertColumnsSegment.class)));
+        when(insertStatementContext.containsInsertColumns()).thenReturn(true);
         assertTrue(new 
AssistQueryAndPlainInsertColumnsTokenGenerator().isGenerateSQLToken(insertStatementContext));
     }
     
diff --git 
a/shardingsphere-features/shardingsphere-sharding/shardingsphere-sharding-core/src/main/java/org/apache/shardingsphere/sharding/rewrite/token/generator/impl/keygen/GeneratedKeyForUseDefaultInsertColumnsTokenGenerator.java
 
b/shardingsphere-features/shardingsphere-sharding/shardingsphere-sharding-core/src/main/java/org/apache/shardingsphere/sharding/rewrite/token/generator/impl/keygen/GeneratedKeyForUseDefaultInsertColumnsTokenGenerator.java
index 6b772d5b804..3eb1b98ccae 100644
--- 
a/shardingsphere-features/shardingsphere-sharding/shardingsphere-sharding-core/src/main/java/org/apache/shardingsphere/sharding/rewrite/token/generator/impl/keygen/GeneratedKeyForUseDefaultInsertColumnsTokenGenerator.java
+++ 
b/shardingsphere-features/shardingsphere-sharding/shardingsphere-sharding-core/src/main/java/org/apache/shardingsphere/sharding/rewrite/token/generator/impl/keygen/GeneratedKeyForUseDefaultInsertColumnsTokenGenerator.java
@@ -34,7 +34,7 @@ public final class 
GeneratedKeyForUseDefaultInsertColumnsTokenGenerator extends
     
     @Override
     protected boolean isGenerateSQLToken(final InsertStatementContext 
insertStatementContext) {
-        return insertStatementContext.useDefaultColumns();
+        return !insertStatementContext.containsInsertColumns();
     }
     
     @Override
diff --git 
a/shardingsphere-infra/shardingsphere-infra-binder/src/main/java/org/apache/shardingsphere/infra/binder/statement/dml/InsertStatementContext.java
 
b/shardingsphere-infra/shardingsphere-infra-binder/src/main/java/org/apache/shardingsphere/infra/binder/statement/dml/InsertStatementContext.java
index aeea3f77dac..f06cf047e88 100644
--- 
a/shardingsphere-infra/shardingsphere-infra-binder/src/main/java/org/apache/shardingsphere/infra/binder/statement/dml/InsertStatementContext.java
+++ 
b/shardingsphere-infra/shardingsphere-infra-binder/src/main/java/org/apache/shardingsphere/infra/binder/statement/dml/InsertStatementContext.java
@@ -92,9 +92,8 @@ public final class InsertStatementContext extends 
CommonSQLStatementContext<Inse
         onDuplicateKeyUpdateValueContext = 
getOnDuplicateKeyUpdateValueContext(parameters, parametersOffset).orElse(null);
         tablesContext = new TablesContext(getAllSimpleTableSegments(), 
getDatabaseType());
         ShardingSphereSchema schema = getSchema(databases, 
defaultDatabaseName);
-        columnNames = useDefaultColumns() ? 
schema.getAllColumnNames(sqlStatement.getTable().getTableName().getIdentifier().getValue())
 : insertColumnNames;
-        generatedKeyContext = new GeneratedKeyContextEngine(sqlStatement, 
schema)
-                .createGenerateKeyContext(insertColumnNames, 
getAllValueExpressions(sqlStatement), parameters).orElse(null);
+        columnNames = containsInsertColumns() ? insertColumnNames : 
schema.getAllColumnNames(sqlStatement.getTable().getTableName().getIdentifier().getValue());
+        generatedKeyContext = new GeneratedKeyContextEngine(sqlStatement, 
schema).createGenerateKeyContext(insertColumnNames, 
getAllValueExpressions(sqlStatement), parameters).orElse(null);
     }
     
     private ShardingSphereSchema getSchema(final Map<String, 
ShardingSphereDatabase> databases, final String defaultDatabaseName) {
@@ -107,8 +106,7 @@ public final class InsertStatementContext extends 
CommonSQLStatementContext<Inse
             throw new DatabaseNotExistedException(databaseName);
         }
         String defaultSchema = 
DatabaseTypeEngine.getDefaultSchemaName(getDatabaseType(), databaseName);
-        return tablesContext.getSchemaName()
-                .map(optional -> 
database.getSchemas().get(optional)).orElseGet(() -> 
database.getSchemas().get(defaultSchema));
+        return tablesContext.getSchemaName().map(optional -> 
database.getSchemas().get(optional)).orElseGet(() -> 
database.getSchemas().get(defaultSchema));
     }
     
     private Collection<SimpleTableSegment> getAllSimpleTableSegments() {
@@ -181,10 +179,7 @@ public final class InsertStatementContext extends 
CommonSQLStatementContext<Inse
      * @return on duplicate key update parameters
      */
     public List<Object> getOnDuplicateKeyUpdateParameters() {
-        if (null == onDuplicateKeyUpdateValueContext) {
-            return new ArrayList<>(0);
-        }
-        return onDuplicateKeyUpdateValueContext.getParameters();
+        return null == onDuplicateKeyUpdateValueContext ? new ArrayList<>() : 
onDuplicateKeyUpdateValueContext.getParameters();
     }
     
     /**
@@ -202,14 +197,13 @@ public final class InsertStatementContext extends 
CommonSQLStatementContext<Inse
     }
     
     /**
-     * Judge whether use default columns or not.
+     * Judge whether contains insert columns.
      *
-     * @return whether use default columns or not
+     * @return contains insert columns or not
      */
-    public boolean useDefaultColumns() {
+    public boolean containsInsertColumns() {
         InsertStatement insertStatement = getSqlStatement();
-        Optional<SetAssignmentSegment> setAssignment = 
InsertStatementHandler.getSetAssignmentSegment(insertStatement);
-        return insertStatement.getColumns().isEmpty() && 
!setAssignment.isPresent();
+        return !insertStatement.getColumns().isEmpty() || 
InsertStatementHandler.getSetAssignmentSegment(insertStatement).isPresent();
     }
     
     /**
@@ -219,8 +213,7 @@ public final class InsertStatementContext extends 
CommonSQLStatementContext<Inse
      */
     public int getValueListCount() {
         InsertStatement insertStatement = getSqlStatement();
-        Optional<SetAssignmentSegment> setAssignment = 
InsertStatementHandler.getSetAssignmentSegment(insertStatement);
-        return setAssignment.isPresent() ? 1 : 
insertStatement.getValues().size();
+        return 
InsertStatementHandler.getSetAssignmentSegment(insertStatement).isPresent() ? 1 
: insertStatement.getValues().size();
     }
     
     /**
@@ -230,8 +223,7 @@ public final class InsertStatementContext extends 
CommonSQLStatementContext<Inse
      */
     public List<String> getInsertColumnNames() {
         InsertStatement insertStatement = getSqlStatement();
-        Optional<SetAssignmentSegment> setAssignment = 
InsertStatementHandler.getSetAssignmentSegment(insertStatement);
-        return 
setAssignment.map(this::getColumnNamesForSetAssignment).orElseGet(() -> 
getColumnNamesForInsertColumns(insertStatement.getColumns()));
+        return 
InsertStatementHandler.getSetAssignmentSegment(insertStatement).map(this::getColumnNamesForSetAssignment).orElseGet(()
 -> getColumnNamesForInsertColumns(insertStatement.getColumns()));
     }
     
     private List<String> getColumnNamesForSetAssignment(final 
SetAssignmentSegment setAssignment) {
diff --git 
a/shardingsphere-infra/shardingsphere-infra-binder/src/test/java/org/apache/shardingsphere/infra/binder/statement/impl/InsertStatementContextTest.java
 
b/shardingsphere-infra/shardingsphere-infra-binder/src/test/java/org/apache/shardingsphere/infra/binder/statement/impl/InsertStatementContextTest.java
index 1ea568aaf14..0a1f171bc20 100644
--- 
a/shardingsphere-infra/shardingsphere-infra-binder/src/test/java/org/apache/shardingsphere/infra/binder/statement/impl/InsertStatementContextTest.java
+++ 
b/shardingsphere-infra/shardingsphere-infra-binder/src/test/java/org/apache/shardingsphere/infra/binder/statement/impl/InsertStatementContextTest.java
@@ -210,75 +210,75 @@ public final class InsertStatementContextTest {
     
     @Test
     public void assertUseDefaultColumnsForMySQL() {
-        assertUseDefaultColumns(new MySQLInsertStatement());
+        assertContainsInsertColumns(new MySQLInsertStatement());
     }
     
     @Test
     public void assertUseDefaultColumnsForOracle() {
-        assertUseDefaultColumns(new OracleInsertStatement());
+        assertContainsInsertColumns(new OracleInsertStatement());
     }
     
     @Test
     public void assertUseDefaultColumnsForPostgreSQL() {
-        assertUseDefaultColumns(new PostgreSQLInsertStatement());
+        assertContainsInsertColumns(new PostgreSQLInsertStatement());
     }
     
     @Test
     public void assertUseDefaultColumnsForSQL92() {
-        assertUseDefaultColumns(new SQL92InsertStatement());
+        assertContainsInsertColumns(new SQL92InsertStatement());
     }
     
     @Test
     public void assertUseDefaultColumnsForSQLServer() {
-        assertUseDefaultColumns(new SQLServerInsertStatement());
+        assertContainsInsertColumns(new SQLServerInsertStatement());
     }
     
-    private void assertUseDefaultColumns(final InsertStatement 
insertStatement) {
+    private void assertNotContainsInsertColumns(final InsertStatement 
insertStatement) {
         insertStatement.setTable(new SimpleTableSegment(new 
TableNameSegment(0, 0, new IdentifierValue(""))));
         InsertStatementContext insertStatementContext = 
createInsertStatementContext(Collections.emptyList(), insertStatement);
-        assertTrue(insertStatementContext.useDefaultColumns());
+        assertFalse(insertStatementContext.containsInsertColumns());
     }
     
     @Test
     public void assertNotUseDefaultColumnsWithColumnsForMySQL() {
-        assertNotUseDefaultColumnsWithColumns(new MySQLInsertStatement());
+        assertNotContainsInsertColumns(new MySQLInsertStatement());
     }
     
     @Test
     public void assertNotUseDefaultColumnsWithColumnsForOracle() {
-        assertNotUseDefaultColumnsWithColumns(new OracleInsertStatement());
+        assertNotContainsInsertColumns(new OracleInsertStatement());
     }
     
     @Test
     public void assertNotUseDefaultColumnsWithColumnsForPostgreSQL() {
-        assertNotUseDefaultColumnsWithColumns(new PostgreSQLInsertStatement());
+        assertNotContainsInsertColumns(new PostgreSQLInsertStatement());
     }
     
     @Test
     public void assertNotUseDefaultColumnsWithColumnsForSQL92() {
-        assertNotUseDefaultColumnsWithColumns(new SQL92InsertStatement());
+        assertNotContainsInsertColumns(new SQL92InsertStatement());
     }
     
     @Test
     public void assertNotUseDefaultColumnsWithColumnsForSQLServer() {
-        assertNotUseDefaultColumnsWithColumns(new SQLServerInsertStatement());
+        assertNotContainsInsertColumns(new SQLServerInsertStatement());
     }
     
-    private void assertNotUseDefaultColumnsWithColumns(final InsertStatement 
insertStatement) {
+    private void assertContainsInsertColumns(final InsertStatement 
insertStatement) {
         InsertColumnsSegment insertColumnsSegment = new 
InsertColumnsSegment(0, 0, Collections.singletonList(new ColumnSegment(0, 0, 
new IdentifierValue("col"))));
         insertStatement.setInsertColumns(insertColumnsSegment);
         insertStatement.setTable(new SimpleTableSegment(new 
TableNameSegment(0, 0, new IdentifierValue(""))));
         InsertStatementContext insertStatementContext = 
createInsertStatementContext(Collections.emptyList(), insertStatement);
-        assertFalse(insertStatementContext.useDefaultColumns());
+        assertTrue(insertStatementContext.containsInsertColumns());
     }
     
     @Test
-    public void assertNotUseDefaultColumnsWithSetAssignmentForMySQL() {
+    public void assertContainsInsertColumnsWithSetAssignmentForMySQL() {
         MySQLInsertStatement insertStatement = new MySQLInsertStatement();
         insertStatement.setSetAssignment(new SetAssignmentSegment(0, 0, 
Collections.emptyList()));
         insertStatement.setTable(new SimpleTableSegment(new 
TableNameSegment(0, 0, new IdentifierValue(""))));
         InsertStatementContext insertStatementContext = 
createInsertStatementContext(Collections.emptyList(), insertStatement);
-        assertFalse(insertStatementContext.useDefaultColumns());
+        assertTrue(insertStatementContext.containsInsertColumns());
     }
     
     @Test
diff --git 
a/shardingsphere-proxy/shardingsphere-proxy-bootstrap/src/test/java/org/apache/shardingsphere/proxy/arguments/BootstrapArgumentsTest.java
 
b/shardingsphere-proxy/shardingsphere-proxy-bootstrap/src/test/java/org/apache/shardingsphere/proxy/arguments/BootstrapArgumentsTest.java
index db601348a4a..50e1fa235e8 100644
--- 
a/shardingsphere-proxy/shardingsphere-proxy-bootstrap/src/test/java/org/apache/shardingsphere/proxy/arguments/BootstrapArgumentsTest.java
+++ 
b/shardingsphere-proxy/shardingsphere-proxy-bootstrap/src/test/java/org/apache/shardingsphere/proxy/arguments/BootstrapArgumentsTest.java
@@ -50,14 +50,14 @@ public final class BootstrapArgumentsTest {
         assertTrue(actual.isPresent());
         assertThat(actual.get(), is(3306));
     }
-
+    
     @Test
     public void assertGetPortWithTwoArgument() {
         Optional<Integer> actual = new BootstrapArguments(new String[]{"3306", 
"/test_conf/"}).getPort();
         assertTrue(actual.isPresent());
         assertThat(actual.get(), is(3306));
     }
-
+    
     @Test
     public void assertGetPortWithThreeArgument() {
         Optional<Integer> actual = new BootstrapArguments(new String[]{"3306", 
"/test_conf/", "127.0.0.1"}).getPort();
@@ -74,7 +74,7 @@ public final class BootstrapArgumentsTest {
     public void assertGetConfigurationPathWithSingleArgument() {
         assertThat(new BootstrapArguments(new 
String[]{"3306"}).getConfigurationPath(), is("/conf/"));
     }
-
+    
     @Test
     public void assertGetConfigurationPathWithTwoArguments() {
         assertThat(new BootstrapArguments(new String[]{"3306", 
"test_conf"}).getConfigurationPath(), is("/test_conf/"));
@@ -82,22 +82,22 @@ public final class BootstrapArgumentsTest {
         assertThat(new BootstrapArguments(new String[]{"3306", 
"test_conf/"}).getConfigurationPath(), is("/test_conf/"));
         assertThat(new BootstrapArguments(new String[]{"3306", 
"/test_conf/"}).getConfigurationPath(), is("/test_conf/"));
     }
-
+    
     @Test
     public void assertGetAddressesWithEmptyArgument() {
         assertThat(new BootstrapArguments(new String[]{}).getAddresses(), 
is(Arrays.asList("0.0.0.0")));
     }
-
+    
     @Test
     public void assertGetAddressesWithSingleArgument() {
         assertThat(new BootstrapArguments(new 
String[]{"3306"}).getAddresses(), is(Arrays.asList("0.0.0.0")));
     }
-
+    
     @Test
     public void assertGetAddressesWithTwoArgument() {
         assertThat(new BootstrapArguments(new String[]{"3306", 
"test_conf"}).getAddresses(), is(Arrays.asList("0.0.0.0")));
     }
-
+    
     @Test
     public void assertGetAddressesWithThreeArguments() {
         assertThat(new BootstrapArguments(new String[]{"3306", "test_conf", 
"127.0.0.1"}).getAddresses(), is(Arrays.asList("127.0.0.1")));
diff --git 
a/shardingsphere-sql-parser/shardingsphere-sql-parser-statement/src/main/java/org/apache/shardingsphere/sql/parser/sql/dialect/handler/dml/InsertStatementHandler.java
 
b/shardingsphere-sql-parser/shardingsphere-sql-parser-statement/src/main/java/org/apache/shardingsphere/sql/parser/sql/dialect/handler/dml/InsertStatementHandler.java
index dcce2d43908..d34e3cfaeff 100644
--- 
a/shardingsphere-sql-parser/shardingsphere-sql-parser-statement/src/main/java/org/apache/shardingsphere/sql/parser/sql/dialect/handler/dml/InsertStatementHandler.java
+++ 
b/shardingsphere-sql-parser/shardingsphere-sql-parser-statement/src/main/java/org/apache/shardingsphere/sql/parser/sql/dialect/handler/dml/InsertStatementHandler.java
@@ -69,10 +69,7 @@ public final class InsertStatementHandler implements 
SQLStatementHandler {
      * @return set assignment segment
      */
     public static Optional<SetAssignmentSegment> getSetAssignmentSegment(final 
InsertStatement insertStatement) {
-        if (insertStatement instanceof MySQLStatement) {
-            return ((MySQLInsertStatement) insertStatement).getSetAssignment();
-        }
-        return Optional.empty();
+        return insertStatement instanceof MySQLStatement ? 
((MySQLInsertStatement) insertStatement).getSetAssignment() : Optional.empty();
     }
     
     /**

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