(shardingsphere) branch master updated: Remove useless impl of SQLServerStatement (#35607)

[zhangliang]

This is an automated email from the ASF dual-hosted git repository.

zhangliang pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/shardingsphere.git


The following commit(s) were added to refs/heads/master by this push:
     new 73357c328a2 Remove useless impl of SQLServerStatement (#35607)
73357c328a2 is described below

commit 73357c328a275308f6ca50d02b4950b3d0111714
Author: Liang Zhang <zhangli...@apache.org>
AuthorDate: Fri Jun 6 20:57:04 2025 +0800

    Remove useless impl of SQLServerStatement (#35607)
---
 .../merge/dql/ShardingDQLResultMergerTest.java     | 11 ++--
 .../TopAndRowNumberDecoratorMergedResultTest.java  | 12 ++--
 .../engine/PaginationContextEngineTest.java        |  7 +-
 .../statement/SQLServerStatementVisitor.java       | 58 ++++++++--------
 .../type/SQLServerDDLStatementVisitor.java         | 30 ++++-----
 .../core/statement/ddl/AlterIndexStatement.java    | 26 +++-----
 .../core/statement/ddl/AlterViewStatement.java     | 48 +++++---------
 .../core/statement/ddl/DropIndexStatement.java     | 12 +---
 .../core/statement/dml/DeleteStatement.java        | 38 ++++-------
 .../core/statement/dml/InsertStatement.java        | 32 ++++-----
 .../core/statement/dml/MergeStatement.java         | 38 ++++++-----
 .../core/statement/dml/SelectStatement.java        | 12 ++++
 .../core/statement/dml/UpdateStatement.java        | 40 +++++------
 .../statement/sqlserver/SQLServerStatement.java    | 26 --------
 .../sqlserver/dcl/SQLServerAlterUserStatement.java |  3 +-
 .../dcl/SQLServerCreateLoginStatement.java         |  3 +-
 .../sqlserver/dcl/SQLServerGrantStatement.java     |  3 +-
 .../sqlserver/dcl/SQLServerRevokeStatement.java    |  3 +-
 .../sqlserver/dcl/SQLServerSetUserStatement.java   |  3 +-
 .../ddl/SQLServerAlterIndexStatement.java          | 39 -----------
 .../ddl/SQLServerAlterServiceStatement.java        |  3 +-
 .../sqlserver/ddl/SQLServerAlterViewStatement.java | 46 -------------
 .../ddl/SQLServerCreateTableStatement.java         |  5 +-
 .../sqlserver/ddl/SQLServerDropIndexStatement.java | 45 -------------
 .../sqlserver/ddl/SQLServerDropTableStatement.java | 35 ----------
 .../sqlserver/ddl/SQLServerDropViewStatement.java  | 33 ----------
 .../sqlserver/dml/SQLServerDeleteStatement.java    | 47 -------------
 .../sqlserver/dml/SQLServerInsertStatement.java    | 71 --------------------
 .../sqlserver/dml/SQLServerMergeStatement.java     | 77 ----------------------
 .../sqlserver/dml/SQLServerSelectStatement.java    | 59 -----------------
 .../sqlserver/dml/SQLServerUpdateStatement.java    | 75 ---------------------
 31 files changed, 174 insertions(+), 766 deletions(-)

diff --git 
a/features/sharding/core/src/test/java/org/apache/shardingsphere/sharding/merge/dql/ShardingDQLResultMergerTest.java
 
b/features/sharding/core/src/test/java/org/apache/shardingsphere/sharding/merge/dql/ShardingDQLResultMergerTest.java
index 8b842afc75d..0750a0de722 100644
--- 
a/features/sharding/core/src/test/java/org/apache/shardingsphere/sharding/merge/dql/ShardingDQLResultMergerTest.java
+++ 
b/features/sharding/core/src/test/java/org/apache/shardingsphere/sharding/merge/dql/ShardingDQLResultMergerTest.java
@@ -60,7 +60,6 @@ import 
org.apache.shardingsphere.sql.parser.statement.core.segment.generic.table
 import 
org.apache.shardingsphere.sql.parser.statement.core.statement.dml.SelectStatement;
 import 
org.apache.shardingsphere.sql.parser.statement.core.value.identifier.IdentifierValue;
 import 
org.apache.shardingsphere.sql.parser.statement.mysql.dml.MySQLSelectStatement;
-import 
org.apache.shardingsphere.sql.parser.statement.sqlserver.dml.SQLServerSelectStatement;
 import org.junit.jupiter.api.Test;
 
 import java.sql.SQLException;
@@ -156,7 +155,7 @@ class ShardingDQLResultMergerTest {
     void assertBuildIteratorStreamMergedResultWithSQLServerLimit() throws 
SQLException {
         final ShardingDQLResultMerger resultMerger = new 
ShardingDQLResultMerger(sqlserverDatabaseType);
         ShardingSphereDatabase database = mock(ShardingSphereDatabase.class, 
RETURNS_DEEP_STUBS);
-        SQLServerSelectStatement selectStatement = (SQLServerSelectStatement) 
buildSelectStatement(new SQLServerSelectStatement());
+        SelectStatement selectStatement = buildSelectStatement(new 
SelectStatement());
         selectStatement.setProjections(new ProjectionsSegment(0, 0));
         selectStatement.setLimit(new LimitSegment(0, 0, new 
NumberLiteralLimitValueSegment(0, 0, 1L), null));
         SelectStatementContext selectStatementContext = new 
SelectStatementContext(
@@ -229,7 +228,7 @@ class ShardingDQLResultMergerTest {
     void assertBuildOrderByStreamMergedResultWithSQLServerLimit() throws 
SQLException {
         final ShardingDQLResultMerger resultMerger = new 
ShardingDQLResultMerger(sqlserverDatabaseType);
         ShardingSphereDatabase database = mock(ShardingSphereDatabase.class, 
RETURNS_DEEP_STUBS);
-        SQLServerSelectStatement selectStatement = (SQLServerSelectStatement) 
buildSelectStatement(new SQLServerSelectStatement());
+        SelectStatement selectStatement = buildSelectStatement(new 
SelectStatement());
         selectStatement.setOrderBy(new OrderBySegment(0, 0, 
Collections.singletonList(new IndexOrderByItemSegment(0, 0, 1, 
OrderDirection.DESC, NullsOrderType.FIRST))));
         selectStatement.setProjections(new ProjectionsSegment(0, 0));
         selectStatement.setLimit(new LimitSegment(0, 0, new 
NumberLiteralRowNumberValueSegment(0, 0, 1L, true), null));
@@ -306,7 +305,7 @@ class ShardingDQLResultMergerTest {
     void assertBuildGroupByStreamMergedResultWithSQLServerLimit() throws 
SQLException {
         final ShardingDQLResultMerger resultMerger = new 
ShardingDQLResultMerger(sqlserverDatabaseType);
         ShardingSphereDatabase database = mock(ShardingSphereDatabase.class, 
RETURNS_DEEP_STUBS);
-        SQLServerSelectStatement selectStatement = (SQLServerSelectStatement) 
buildSelectStatement(new SQLServerSelectStatement());
+        SelectStatement selectStatement = buildSelectStatement(new 
SelectStatement());
         selectStatement.setGroupBy(new GroupBySegment(0, 0, 
Collections.singletonList(new IndexOrderByItemSegment(0, 0, 1, 
OrderDirection.DESC, NullsOrderType.FIRST))));
         selectStatement.setOrderBy(new OrderBySegment(0, 0, 
Collections.singletonList(new IndexOrderByItemSegment(0, 0, 1, 
OrderDirection.DESC, NullsOrderType.FIRST))));
         selectStatement.setProjections(new ProjectionsSegment(0, 0));
@@ -382,7 +381,7 @@ class ShardingDQLResultMergerTest {
     void assertBuildGroupByMemoryMergedResultWithSQLServerLimit() throws 
SQLException {
         final ShardingDQLResultMerger resultMerger = new 
ShardingDQLResultMerger(sqlserverDatabaseType);
         ShardingSphereDatabase database = mock(ShardingSphereDatabase.class, 
RETURNS_DEEP_STUBS);
-        SQLServerSelectStatement selectStatement = (SQLServerSelectStatement) 
buildSelectStatement(new SQLServerSelectStatement());
+        SelectStatement selectStatement = buildSelectStatement(new 
SelectStatement());
         ProjectionsSegment projectionsSegment = new ProjectionsSegment(0, 0);
         selectStatement.setProjections(projectionsSegment);
         selectStatement.setGroupBy(new GroupBySegment(0, 0, 
Collections.singletonList(new IndexOrderByItemSegment(0, 0, 1, 
OrderDirection.DESC, NullsOrderType.FIRST))));
@@ -459,7 +458,7 @@ class ShardingDQLResultMergerTest {
     @Test
     void 
assertBuildGroupByMemoryMergedResultWithAggregationOnlyWithSQLServerLimit() 
throws SQLException {
         final ShardingDQLResultMerger resultMerger = new 
ShardingDQLResultMerger(sqlserverDatabaseType);
-        SQLServerSelectStatement selectStatement = (SQLServerSelectStatement) 
buildSelectStatement(new SQLServerSelectStatement());
+        SelectStatement selectStatement = buildSelectStatement(new 
SelectStatement());
         ProjectionsSegment projectionsSegment = new ProjectionsSegment(0, 0);
         projectionsSegment.getProjections().add(new 
AggregationProjectionSegment(0, 0, AggregationType.COUNT, "COUNT(*)"));
         selectStatement.setProjections(projectionsSegment);
diff --git 
a/features/sharding/core/src/test/java/org/apache/shardingsphere/sharding/merge/dql/pagination/TopAndRowNumberDecoratorMergedResultTest.java
 
b/features/sharding/core/src/test/java/org/apache/shardingsphere/sharding/merge/dql/pagination/TopAndRowNumberDecoratorMergedResultTest.java
index 6362dc091e5..31ffefb8746 100644
--- 
a/features/sharding/core/src/test/java/org/apache/shardingsphere/sharding/merge/dql/pagination/TopAndRowNumberDecoratorMergedResultTest.java
+++ 
b/features/sharding/core/src/test/java/org/apache/shardingsphere/sharding/merge/dql/pagination/TopAndRowNumberDecoratorMergedResultTest.java
@@ -30,7 +30,7 @@ import 
org.apache.shardingsphere.sql.parser.statement.core.segment.dml.item.Proj
 import 
org.apache.shardingsphere.sql.parser.statement.core.segment.dml.pagination.limit.LimitSegment;
 import 
org.apache.shardingsphere.sql.parser.statement.core.segment.dml.pagination.limit.NumberLiteralLimitValueSegment;
 import 
org.apache.shardingsphere.sql.parser.statement.core.segment.dml.pagination.rownum.NumberLiteralRowNumberValueSegment;
-import 
org.apache.shardingsphere.sql.parser.statement.sqlserver.dml.SQLServerSelectStatement;
+import 
org.apache.shardingsphere.sql.parser.statement.core.statement.dml.SelectStatement;
 import org.junit.jupiter.api.Test;
 
 import java.sql.SQLException;
@@ -51,7 +51,7 @@ class TopAndRowNumberDecoratorMergedResultTest {
     void assertNextForSkipAll() throws SQLException {
         ShardingSphereDatabase database = mock(ShardingSphereDatabase.class, 
RETURNS_DEEP_STUBS);
         when(database.getName()).thenReturn("foo_db");
-        SQLServerSelectStatement sqlStatement = new SQLServerSelectStatement();
+        SelectStatement sqlStatement = new SelectStatement();
         sqlStatement.setProjections(new ProjectionsSegment(0, 0));
         sqlStatement.setLimit(new LimitSegment(0, 0, new 
NumberLiteralRowNumberValueSegment(0, 0, Long.MAX_VALUE, true), null));
         SelectStatementContext selectStatementContext = new 
SelectStatementContext(
@@ -67,7 +67,7 @@ class TopAndRowNumberDecoratorMergedResultTest {
         final ShardingDQLResultMerger resultMerger = new 
ShardingDQLResultMerger(databaseType);
         ShardingSphereDatabase database = mock(ShardingSphereDatabase.class, 
RETURNS_DEEP_STUBS);
         when(database.getName()).thenReturn("foo_db");
-        SQLServerSelectStatement sqlStatement = new SQLServerSelectStatement();
+        SelectStatement sqlStatement = new SelectStatement();
         sqlStatement.setProjections(new ProjectionsSegment(0, 0));
         sqlStatement.setLimit(new LimitSegment(0, 0, null, new 
NumberLiteralLimitValueSegment(0, 0, 5L)));
         SelectStatementContext selectStatementContext = new 
SelectStatementContext(
@@ -84,7 +84,7 @@ class TopAndRowNumberDecoratorMergedResultTest {
     void assertNextWithOffsetWithoutRowCount() throws SQLException {
         ShardingSphereDatabase database = mock(ShardingSphereDatabase.class, 
RETURNS_DEEP_STUBS);
         when(database.getName()).thenReturn("foo_db");
-        SQLServerSelectStatement sqlStatement = new SQLServerSelectStatement();
+        SelectStatement sqlStatement = new SelectStatement();
         sqlStatement.setProjections(new ProjectionsSegment(0, 0));
         sqlStatement.setLimit(new LimitSegment(0, 0, new 
NumberLiteralRowNumberValueSegment(0, 0, 2L, true), null));
         SelectStatementContext selectStatementContext = new 
SelectStatementContext(
@@ -103,7 +103,7 @@ class TopAndRowNumberDecoratorMergedResultTest {
         final ShardingDQLResultMerger resultMerger = new 
ShardingDQLResultMerger(databaseType);
         final ShardingSphereDatabase database = 
mock(ShardingSphereDatabase.class, RETURNS_DEEP_STUBS);
         when(database.getName()).thenReturn("foo_db");
-        SQLServerSelectStatement sqlStatement = new SQLServerSelectStatement();
+        SelectStatement sqlStatement = new SelectStatement();
         sqlStatement.setProjections(new ProjectionsSegment(0, 0));
         sqlStatement.setLimit(new LimitSegment(0, 0, new 
NumberLiteralRowNumberValueSegment(0, 0, 2L, false), new 
NumberLiteralLimitValueSegment(0, 0, 4L)));
         SelectStatementContext selectStatementContext = new 
SelectStatementContext(
@@ -120,7 +120,7 @@ class TopAndRowNumberDecoratorMergedResultTest {
         final ShardingDQLResultMerger resultMerger = new 
ShardingDQLResultMerger(databaseType);
         ShardingSphereDatabase database = mock(ShardingSphereDatabase.class, 
RETURNS_DEEP_STUBS);
         when(database.getName()).thenReturn("foo_db");
-        SQLServerSelectStatement sqlStatement = new SQLServerSelectStatement();
+        SelectStatement sqlStatement = new SelectStatement();
         sqlStatement.setProjections(new ProjectionsSegment(0, 0));
         sqlStatement.setLimit(new LimitSegment(0, 0, new 
NumberLiteralRowNumberValueSegment(0, 0, 2L, true), new 
NumberLiteralLimitValueSegment(0, 0, 4L)));
         SelectStatementContext selectStatementContext = new 
SelectStatementContext(
diff --git 
a/infra/binder/core/src/test/java/org/apache/shardingsphere/infra/binder/context/segment/select/pagination/engine/PaginationContextEngineTest.java
 
b/infra/binder/core/src/test/java/org/apache/shardingsphere/infra/binder/context/segment/select/pagination/engine/PaginationContextEngineTest.java
index a9fc663e005..8b229fb8632 100644
--- 
a/infra/binder/core/src/test/java/org/apache/shardingsphere/infra/binder/context/segment/select/pagination/engine/PaginationContextEngineTest.java
+++ 
b/infra/binder/core/src/test/java/org/apache/shardingsphere/infra/binder/context/segment/select/pagination/engine/PaginationContextEngineTest.java
@@ -29,7 +29,6 @@ import 
org.apache.shardingsphere.sql.parser.statement.core.segment.dml.paginatio
 import 
org.apache.shardingsphere.sql.parser.statement.core.segment.dml.pagination.top.TopProjectionSegment;
 import 
org.apache.shardingsphere.sql.parser.statement.core.segment.dml.predicate.WhereSegment;
 import 
org.apache.shardingsphere.sql.parser.statement.core.statement.dml.SelectStatement;
-import 
org.apache.shardingsphere.sql.parser.statement.sqlserver.dml.SQLServerSelectStatement;
 import org.junit.jupiter.api.Test;
 
 import java.util.Collections;
@@ -55,10 +54,10 @@ class PaginationContextEngineTest {
     
     @Test
     void 
assertCreatePaginationContextWhenLimitSegmentAbsentAndTopSegmentPresent() {
-        SQLServerSelectStatement subquerySelectStatement = new 
SQLServerSelectStatement();
+        SelectStatement subquerySelectStatement = new SelectStatement();
         subquerySelectStatement.setProjections(new ProjectionsSegment(0, 0));
         subquerySelectStatement.getProjections().getProjections().add(new 
TopProjectionSegment(0, 10, null, "rowNumberAlias"));
-        SQLServerSelectStatement selectStatement = new 
SQLServerSelectStatement();
+        SelectStatement selectStatement = new SelectStatement();
         selectStatement.setProjections(new ProjectionsSegment(0, 0));
         selectStatement.getProjections().getProjections().add(new 
SubqueryProjectionSegment(new SubquerySegment(0, 0, subquerySelectStatement, 
""), ""));
         PaginationContext paginationContext = new 
PaginationContextEngine(getDatabaseType("SQLServer")).createPaginationContext(
@@ -69,7 +68,7 @@ class PaginationContextEngineTest {
     
     @Test
     void 
assertCreatePaginationContextWhenLimitSegmentTopSegmentAbsentAndWhereSegmentPresent()
 {
-        SQLServerSelectStatement selectStatement = new 
SQLServerSelectStatement();
+        SelectStatement selectStatement = new SelectStatement();
         selectStatement.setProjections(new ProjectionsSegment(0, 0));
         WhereSegment where = new WhereSegment(0, 10, null);
         selectStatement.setWhere(where);
diff --git 
a/parser/sql/dialect/sqlserver/src/main/java/org/apache/shardingsphere/sql/parser/sqlserver/visitor/statement/SQLServerStatementVisitor.java
 
b/parser/sql/dialect/sqlserver/src/main/java/org/apache/shardingsphere/sql/parser/sqlserver/visitor/statement/SQLServerStatementVisitor.java
index 36fc21c5dd9..d520bd157a8 100644
--- 
a/parser/sql/dialect/sqlserver/src/main/java/org/apache/shardingsphere/sql/parser/sqlserver/visitor/statement/SQLServerStatementVisitor.java
+++ 
b/parser/sql/dialect/sqlserver/src/main/java/org/apache/shardingsphere/sql/parser/sqlserver/visitor/statement/SQLServerStatementVisitor.java
@@ -219,8 +219,11 @@ import 
org.apache.shardingsphere.sql.parser.statement.core.segment.generic.table
 import 
org.apache.shardingsphere.sql.parser.statement.core.segment.generic.table.TableNameSegment;
 import 
org.apache.shardingsphere.sql.parser.statement.core.segment.generic.table.TableSegment;
 import 
org.apache.shardingsphere.sql.parser.statement.core.statement.ddl.UpdateStatisticsStatement;
+import 
org.apache.shardingsphere.sql.parser.statement.core.statement.dml.DeleteStatement;
+import 
org.apache.shardingsphere.sql.parser.statement.core.statement.dml.InsertStatement;
 import 
org.apache.shardingsphere.sql.parser.statement.core.statement.dml.MergeStatement;
 import 
org.apache.shardingsphere.sql.parser.statement.core.statement.dml.SelectStatement;
+import 
org.apache.shardingsphere.sql.parser.statement.core.statement.dml.UpdateStatement;
 import org.apache.shardingsphere.sql.parser.statement.core.util.SQLUtils;
 import 
org.apache.shardingsphere.sql.parser.statement.core.value.collection.CollectionValue;
 import 
org.apache.shardingsphere.sql.parser.statement.core.value.identifier.IdentifierValue;
@@ -232,11 +235,6 @@ import 
org.apache.shardingsphere.sql.parser.statement.core.value.literal.impl.Ot
 import 
org.apache.shardingsphere.sql.parser.statement.core.value.literal.impl.StringLiteralValue;
 import 
org.apache.shardingsphere.sql.parser.statement.core.value.parametermarker.ParameterMarkerValue;
 import 
org.apache.shardingsphere.sql.parser.statement.sqlserver.ddl.SQLServerCreateTableStatement;
-import 
org.apache.shardingsphere.sql.parser.statement.sqlserver.dml.SQLServerDeleteStatement;
-import 
org.apache.shardingsphere.sql.parser.statement.sqlserver.dml.SQLServerInsertStatement;
-import 
org.apache.shardingsphere.sql.parser.statement.sqlserver.dml.SQLServerMergeStatement;
-import 
org.apache.shardingsphere.sql.parser.statement.sqlserver.dml.SQLServerSelectStatement;
-import 
org.apache.shardingsphere.sql.parser.statement.sqlserver.dml.SQLServerUpdateStatement;
 
 import java.util.Collection;
 import java.util.Collections;
@@ -956,7 +954,7 @@ public abstract class SQLServerStatementVisitor extends 
SQLServerStatementBaseVi
     
     @Override
     public ASTNode visitSelect(final SelectContext ctx) {
-        SQLServerSelectStatement result = (SQLServerSelectStatement) 
visit(ctx.aggregationClause());
+        SelectStatement result = (SelectStatement) 
visit(ctx.aggregationClause());
         result.addParameterMarkerSegments(getParameterMarkerSegments());
         return result;
     }
@@ -969,7 +967,7 @@ public abstract class SQLServerStatementVisitor extends 
SQLServerStatementBaseVi
     
     @Override
     public ASTNode visitSelectClause(final SelectClauseContext ctx) {
-        SQLServerSelectStatement result = new SQLServerSelectStatement();
+        SelectStatement result = new SelectStatement();
         result.setProjections((ProjectionsSegment) visit(ctx.projections()));
         if (null != ctx.selectWithClause() && null != 
ctx.selectWithClause().cteClauseSet()) {
             Collection<CommonTableExpressionSegment> 
commonTableExpressionSegments = 
getCommonTableExpressionSegmentsUsingCteClauseSet(ctx.selectWithClause().cteClauseSet());
@@ -1009,7 +1007,7 @@ public abstract class SQLServerStatementVisitor extends 
SQLServerStatementBaseVi
         Collection<CommonTableExpressionSegment> result = new LinkedList<>();
         for (CteClauseContext each : ctx.cteClause()) {
             SubquerySegment subquery = new 
SubquerySegment(each.subquery().aggregationClause().start.getStartIndex(),
-                    each.subquery().aggregationClause().stop.getStopIndex(), 
(SQLServerSelectStatement) visit(each.subquery()), 
getOriginalText(each.subquery()));
+                    each.subquery().aggregationClause().stop.getStopIndex(), 
(SelectStatement) visit(each.subquery()), getOriginalText(each.subquery()));
             CommonTableExpressionSegment commonTableExpression = new 
CommonTableExpressionSegment(each.start.getStartIndex(), 
each.stop.getStopIndex(), (AliasSegment) visit(each.alias()), subquery);
             if (null != each.columnNames()) {
                 ColumnNamesContext columnNames = each.columnNames();
@@ -1131,15 +1129,15 @@ public abstract class SQLServerStatementVisitor extends 
SQLServerStatementBaseVi
     
     @Override
     public ASTNode visitInsert(final InsertContext ctx) {
-        SQLServerInsertStatement result;
+        InsertStatement result;
         if (null != ctx.insertDefaultValue()) {
-            result = (SQLServerInsertStatement) 
visit(ctx.insertDefaultValue());
+            result = (InsertStatement) visit(ctx.insertDefaultValue());
         } else if (null != ctx.insertValuesClause()) {
-            result = (SQLServerInsertStatement) 
visit(ctx.insertValuesClause());
+            result = (InsertStatement) visit(ctx.insertValuesClause());
         } else if (null != ctx.insertExecClause()) {
-            result = (SQLServerInsertStatement) visit(ctx.insertExecClause());
+            result = (InsertStatement) visit(ctx.insertExecClause());
         } else {
-            result = (SQLServerInsertStatement) 
visit(ctx.insertSelectClause());
+            result = (InsertStatement) visit(ctx.insertSelectClause());
         }
         if (null != ctx.withClause()) {
             result.setWithSegment((WithSegment) visit(ctx.withClause()));
@@ -1188,7 +1186,7 @@ public abstract class SQLServerStatementVisitor extends 
SQLServerStatementBaseVi
     
     @Override
     public ASTNode visitInsertDefaultValue(final InsertDefaultValueContext 
ctx) {
-        SQLServerInsertStatement result = new SQLServerInsertStatement();
+        InsertStatement result = new InsertStatement();
         result.setInsertColumns(createInsertColumns(ctx.columnNames(), 
ctx.start.getStartIndex()));
         if (null != ctx.outputClause()) {
             result.setOutputSegment((OutputSegment) visit(ctx.outputClause()));
@@ -1198,7 +1196,7 @@ public abstract class SQLServerStatementVisitor extends 
SQLServerStatementBaseVi
     
     @Override
     public ASTNode visitInsertExecClause(final InsertExecClauseContext ctx) {
-        SQLServerInsertStatement result = new SQLServerInsertStatement();
+        InsertStatement result = new InsertStatement();
         result.setInsertColumns(createInsertColumns(ctx.columnNames(), 
ctx.start.getStartIndex()));
         result.setExecSegment((ExecSegment) visit(ctx.exec()));
         return result;
@@ -1279,7 +1277,7 @@ public abstract class SQLServerStatementVisitor extends 
SQLServerStatementBaseVi
     
     @Override
     public ASTNode visitInsertValuesClause(final InsertValuesClauseContext 
ctx) {
-        SQLServerInsertStatement result = new SQLServerInsertStatement();
+        InsertStatement result = new InsertStatement();
         result.setInsertColumns(createInsertColumns(ctx.columnNames(), 
ctx.start.getStartIndex()));
         
result.getValues().addAll(createInsertValuesSegments(ctx.assignmentValues()));
         if (null != ctx.outputClause()) {
@@ -1298,7 +1296,7 @@ public abstract class SQLServerStatementVisitor extends 
SQLServerStatementBaseVi
     
     @Override
     public ASTNode visitInsertSelectClause(final InsertSelectClauseContext 
ctx) {
-        SQLServerInsertStatement result = new SQLServerInsertStatement();
+        InsertStatement result = new InsertStatement();
         result.setInsertColumns(createInsertColumns(ctx.columnNames(), 
ctx.start.getStartIndex()));
         result.setInsertSelect(createInsertSelectSegment(ctx));
         if (null != ctx.outputClause()) {
@@ -1318,7 +1316,7 @@ public abstract class SQLServerStatementVisitor extends 
SQLServerStatementBaseVi
     }
     
     private SubquerySegment createInsertSelectSegment(final 
InsertSelectClauseContext ctx) {
-        SQLServerSelectStatement selectStatement = (SQLServerSelectStatement) 
visit(ctx.select());
+        SelectStatement selectStatement = (SelectStatement) 
visit(ctx.select());
         return new SubquerySegment(ctx.select().start.getStartIndex(), 
ctx.select().stop.getStopIndex(), selectStatement, 
getOriginalText(ctx.select()));
     }
     
@@ -1330,7 +1328,7 @@ public abstract class SQLServerStatementVisitor extends 
SQLServerStatementBaseVi
     
     @Override
     public ASTNode visitUpdate(final UpdateContext ctx) {
-        SQLServerUpdateStatement result = new SQLServerUpdateStatement();
+        UpdateStatement result = new UpdateStatement();
         if (null != ctx.withClause()) {
             result.setWithSegment((WithSegment) visit(ctx.withClause()));
         }
@@ -1398,7 +1396,7 @@ public abstract class SQLServerStatementVisitor extends 
SQLServerStatementBaseVi
     
     @Override
     public ASTNode visitDelete(final DeleteContext ctx) {
-        SQLServerDeleteStatement result = new SQLServerDeleteStatement();
+        DeleteStatement result = new DeleteStatement();
         if (null != ctx.withClause()) {
             result.setWithSegment((WithSegment) visit(ctx.withClause()));
         }
@@ -1591,7 +1589,7 @@ public abstract class SQLServerStatementVisitor extends 
SQLServerStatementBaseVi
             if (null != ctx.subquery().merge()) {
                 subquerySegment.setMerge((MergeStatement) 
visit(ctx.subquery()));
             } else {
-                subquerySegment.setSelect((SQLServerSelectStatement) 
visit(ctx.subquery()));
+                subquerySegment.setSelect((SelectStatement) 
visit(ctx.subquery()));
             }
             SubqueryTableSegment result = new 
SubqueryTableSegment(ctx.start.getStartIndex(), ctx.stop.getStopIndex(), 
subquerySegment);
             if (null != ctx.alias()) {
@@ -1669,7 +1667,7 @@ public abstract class SQLServerStatementVisitor extends 
SQLServerStatementBaseVi
         SQLServerCreateTableStatement result = new 
SQLServerCreateTableStatement();
         if (null != ctx.createTableAsSelect()) {
             result.setTable((SimpleTableSegment) 
visit(ctx.createTableAsSelect().tableName()));
-            result.setSelectStatement((SQLServerSelectStatement) 
visit(ctx.createTableAsSelect().select()));
+            result.setSelectStatement((SelectStatement) 
visit(ctx.createTableAsSelect().select()));
             if (null != ctx.createTableAsSelect().columnNames()) {
                 CollectionValue<ColumnSegment> columnSegments = 
(CollectionValue<ColumnSegment>) visit(ctx.createTableAsSelect().columnNames());
                 for (ColumnSegment each : columnSegments.getValue()) {
@@ -1678,7 +1676,7 @@ public abstract class SQLServerStatementVisitor extends 
SQLServerStatementBaseVi
             }
         } else {
             result.setTable((SimpleTableSegment) 
visit(ctx.createRemoteTableAsSelect().tableName()));
-            result.setSelectStatement((SQLServerSelectStatement) 
visit(ctx.createRemoteTableAsSelect().select()));
+            result.setSelectStatement((SelectStatement) 
visit(ctx.createRemoteTableAsSelect().select()));
         }
         return result;
     }
@@ -1769,7 +1767,7 @@ public abstract class SQLServerStatementVisitor extends 
SQLServerStatementBaseVi
     
     @Override
     public ASTNode visitMerge(final MergeContext ctx) {
-        SQLServerMergeStatement result = new SQLServerMergeStatement();
+        MergeStatement result = new MergeStatement();
         result.setTarget((TableSegment) 
visit(ctx.mergeIntoClause().tableReferences()));
         if (null != ctx.withClause()) {
             result.setWithSegment((WithSegment) visit(ctx.withClause()));
@@ -1811,13 +1809,13 @@ public abstract class SQLServerStatementVisitor extends 
SQLServerStatementBaseVi
             result.setAndExpr((ExpressionSegment) 
visit(ctx.mergeDeleteClause().expr()));
         }
         if (null != ctx.mergeUpdateClause()) {
-            result.setUpdate((SQLServerUpdateStatement) 
visit(ctx.mergeUpdateClause()));
+            result.setUpdate((UpdateStatement) visit(ctx.mergeUpdateClause()));
             if (null != ctx.mergeUpdateClause().expr()) {
                 result.setAndExpr((ExpressionSegment) 
visit(ctx.mergeUpdateClause().expr()));
             }
         }
         if (null != ctx.mergeInsertClause()) {
-            result.setInsert((SQLServerInsertStatement) 
visit(ctx.mergeInsertClause()));
+            result.setInsert((InsertStatement) visit(ctx.mergeInsertClause()));
             if (null != ctx.mergeInsertClause().expr()) {
                 result.setAndExpr((ExpressionSegment) 
visit(ctx.mergeInsertClause().expr()));
             }
@@ -1827,18 +1825,18 @@ public abstract class SQLServerStatementVisitor extends 
SQLServerStatementBaseVi
     
     @Override
     public ASTNode visitMergeInsertClause(final MergeInsertClauseContext ctx) {
-        SQLServerInsertStatement result;
+        InsertStatement result;
         if (null != ctx.insertDefaultValue()) {
-            result = (SQLServerInsertStatement) 
visit(ctx.insertDefaultValue());
+            result = (InsertStatement) visit(ctx.insertDefaultValue());
         } else {
-            result = (SQLServerInsertStatement) 
visit(ctx.insertValuesClause());
+            result = (InsertStatement) visit(ctx.insertValuesClause());
         }
         return result;
     }
     
     @Override
     public ASTNode visitMergeUpdateClause(final MergeUpdateClauseContext ctx) {
-        SQLServerUpdateStatement result = new SQLServerUpdateStatement();
+        UpdateStatement result = new UpdateStatement();
         result.setSetAssignment((SetAssignmentSegment) 
visit(ctx.setAssignmentsClause()));
         return result;
     }
diff --git 
a/parser/sql/dialect/sqlserver/src/main/java/org/apache/shardingsphere/sql/parser/sqlserver/visitor/statement/type/SQLServerDDLStatementVisitor.java
 
b/parser/sql/dialect/sqlserver/src/main/java/org/apache/shardingsphere/sql/parser/sqlserver/visitor/statement/type/SQLServerDDLStatementVisitor.java
index 8019312040a..3dd58ae8846 100644
--- 
a/parser/sql/dialect/sqlserver/src/main/java/org/apache/shardingsphere/sql/parser/sqlserver/visitor/statement/type/SQLServerDDLStatementVisitor.java
+++ 
b/parser/sql/dialect/sqlserver/src/main/java/org/apache/shardingsphere/sql/parser/sqlserver/visitor/statement/type/SQLServerDDLStatementVisitor.java
@@ -88,37 +88,37 @@ import 
org.apache.shardingsphere.sql.parser.statement.core.segment.generic.DataT
 import 
org.apache.shardingsphere.sql.parser.statement.core.segment.generic.table.SimpleTableSegment;
 import 
org.apache.shardingsphere.sql.parser.statement.core.statement.ddl.AlterDatabaseStatement;
 import 
org.apache.shardingsphere.sql.parser.statement.core.statement.ddl.AlterFunctionStatement;
+import 
org.apache.shardingsphere.sql.parser.statement.core.statement.ddl.AlterIndexStatement;
 import 
org.apache.shardingsphere.sql.parser.statement.core.statement.ddl.AlterProcedureStatement;
 import 
org.apache.shardingsphere.sql.parser.statement.core.statement.ddl.AlterSchemaStatement;
 import 
org.apache.shardingsphere.sql.parser.statement.core.statement.ddl.AlterSequenceStatement;
 import 
org.apache.shardingsphere.sql.parser.statement.core.statement.ddl.AlterTableStatement;
 import 
org.apache.shardingsphere.sql.parser.statement.core.statement.ddl.AlterTriggerStatement;
+import 
org.apache.shardingsphere.sql.parser.statement.core.statement.ddl.AlterViewStatement;
 import 
org.apache.shardingsphere.sql.parser.statement.core.statement.ddl.CreateDatabaseStatement;
 import 
org.apache.shardingsphere.sql.parser.statement.core.statement.ddl.CreateFunctionStatement;
 import 
org.apache.shardingsphere.sql.parser.statement.core.statement.ddl.CreateIndexStatement;
 import 
org.apache.shardingsphere.sql.parser.statement.core.statement.ddl.CreateProcedureStatement;
 import 
org.apache.shardingsphere.sql.parser.statement.core.statement.ddl.CreateSchemaStatement;
 import 
org.apache.shardingsphere.sql.parser.statement.core.statement.ddl.CreateSequenceStatement;
-import 
org.apache.shardingsphere.sql.parser.statement.sqlserver.ddl.SQLServerCreateServiceStatement;
 import 
org.apache.shardingsphere.sql.parser.statement.core.statement.ddl.CreateTriggerStatement;
 import 
org.apache.shardingsphere.sql.parser.statement.core.statement.ddl.CreateViewStatement;
 import 
org.apache.shardingsphere.sql.parser.statement.core.statement.ddl.DropDatabaseStatement;
 import 
org.apache.shardingsphere.sql.parser.statement.core.statement.ddl.DropFunctionStatement;
+import 
org.apache.shardingsphere.sql.parser.statement.core.statement.ddl.DropIndexStatement;
 import 
org.apache.shardingsphere.sql.parser.statement.core.statement.ddl.DropProcedureStatement;
 import 
org.apache.shardingsphere.sql.parser.statement.core.statement.ddl.DropSchemaStatement;
 import 
org.apache.shardingsphere.sql.parser.statement.core.statement.ddl.DropSequenceStatement;
-import 
org.apache.shardingsphere.sql.parser.statement.sqlserver.ddl.SQLServerDropServiceStatement;
+import 
org.apache.shardingsphere.sql.parser.statement.core.statement.ddl.DropTableStatement;
 import 
org.apache.shardingsphere.sql.parser.statement.core.statement.ddl.DropTriggerStatement;
+import 
org.apache.shardingsphere.sql.parser.statement.core.statement.ddl.DropViewStatement;
 import 
org.apache.shardingsphere.sql.parser.statement.core.statement.ddl.TruncateStatement;
+import 
org.apache.shardingsphere.sql.parser.statement.core.statement.dml.SelectStatement;
 import 
org.apache.shardingsphere.sql.parser.statement.core.value.collection.CollectionValue;
-import 
org.apache.shardingsphere.sql.parser.statement.sqlserver.ddl.SQLServerAlterIndexStatement;
 import 
org.apache.shardingsphere.sql.parser.statement.sqlserver.ddl.SQLServerAlterServiceStatement;
-import 
org.apache.shardingsphere.sql.parser.statement.sqlserver.ddl.SQLServerAlterViewStatement;
+import 
org.apache.shardingsphere.sql.parser.statement.sqlserver.ddl.SQLServerCreateServiceStatement;
 import 
org.apache.shardingsphere.sql.parser.statement.sqlserver.ddl.SQLServerCreateTableStatement;
-import 
org.apache.shardingsphere.sql.parser.statement.sqlserver.ddl.SQLServerDropIndexStatement;
-import 
org.apache.shardingsphere.sql.parser.statement.sqlserver.ddl.SQLServerDropTableStatement;
-import 
org.apache.shardingsphere.sql.parser.statement.sqlserver.ddl.SQLServerDropViewStatement;
-import 
org.apache.shardingsphere.sql.parser.statement.sqlserver.dml.SQLServerSelectStatement;
+import 
org.apache.shardingsphere.sql.parser.statement.sqlserver.ddl.SQLServerDropServiceStatement;
 
 import java.util.Collection;
 import java.util.Collections;
@@ -309,7 +309,7 @@ public final class SQLServerDDLStatementVisitor extends 
SQLServerStatementVisito
     @SuppressWarnings("unchecked")
     @Override
     public ASTNode visitDropTable(final DropTableContext ctx) {
-        SQLServerDropTableStatement result = new SQLServerDropTableStatement();
+        DropTableStatement result = new DropTableStatement();
         result.setContainsCascade(null != ctx.ifExists());
         result.getTables().addAll(((CollectionValue<SimpleTableSegment>) 
visit(ctx.tableNames())).getValue());
         return result;
@@ -338,7 +338,7 @@ public final class SQLServerDDLStatementVisitor extends 
SQLServerStatementVisito
     
     @Override
     public ASTNode visitAlterIndex(final AlterIndexContext ctx) {
-        SQLServerAlterIndexStatement result = new 
SQLServerAlterIndexStatement();
+        AlterIndexStatement result = new AlterIndexStatement();
         if (null != ctx.indexName()) {
             result.setIndex((IndexSegment) visit(ctx.indexName()));
         }
@@ -348,7 +348,7 @@ public final class SQLServerDDLStatementVisitor extends 
SQLServerStatementVisito
     
     @Override
     public ASTNode visitDropIndex(final DropIndexContext ctx) {
-        SQLServerDropIndexStatement result = new SQLServerDropIndexStatement();
+        DropIndexStatement result = new DropIndexStatement();
         result.setIfExists(null != ctx.ifExists());
         result.getIndexes().add((IndexSegment) visit(ctx.indexName()));
         result.setSimpleTable((SimpleTableSegment) visit(ctx.tableName()));
@@ -390,7 +390,7 @@ public final class SQLServerDDLStatementVisitor extends 
SQLServerStatementVisito
         result.setReplaceView(null != ctx.ALTER());
         result.setView((SimpleTableSegment) visit(ctx.viewName()));
         
result.setViewDefinition(getOriginalText(ctx.createOrAlterViewClause().select()));
-        result.setSelect((SQLServerSelectStatement) 
visit(ctx.createOrAlterViewClause().select()));
+        result.setSelect((SelectStatement) 
visit(ctx.createOrAlterViewClause().select()));
         return result;
     }
     
@@ -456,10 +456,10 @@ public final class SQLServerDDLStatementVisitor extends 
SQLServerStatementVisito
     
     @Override
     public ASTNode visitAlterView(final AlterViewContext ctx) {
-        SQLServerAlterViewStatement result = new SQLServerAlterViewStatement();
+        AlterViewStatement result = new AlterViewStatement();
         result.setView((SimpleTableSegment) visit(ctx.viewName()));
         
result.setViewDefinition(getOriginalText(ctx.createOrAlterViewClause().select()));
-        result.setSelect((SQLServerSelectStatement) 
visit(ctx.createOrAlterViewClause().select()));
+        result.setSelect((SelectStatement) 
visit(ctx.createOrAlterViewClause().select()));
         return result;
     }
     
@@ -485,7 +485,7 @@ public final class SQLServerDDLStatementVisitor extends 
SQLServerStatementVisito
     
     @Override
     public ASTNode visitDropView(final DropViewContext ctx) {
-        SQLServerDropViewStatement result = new SQLServerDropViewStatement();
+        DropViewStatement result = new DropViewStatement();
         result.setIfExists(null != ctx.ifExists());
         for (ViewNameContext each : ctx.viewName()) {
             result.getViews().add((SimpleTableSegment) visit(each));
diff --git 
a/parser/sql/statement/core/src/main/java/org/apache/shardingsphere/sql/parser/statement/core/statement/ddl/AlterIndexStatement.java
 
b/parser/sql/statement/core/src/main/java/org/apache/shardingsphere/sql/parser/statement/core/statement/ddl/AlterIndexStatement.java
index 1b85451162a..7c9aff53f42 100644
--- 
a/parser/sql/statement/core/src/main/java/org/apache/shardingsphere/sql/parser/statement/core/statement/ddl/AlterIndexStatement.java
+++ 
b/parser/sql/statement/core/src/main/java/org/apache/shardingsphere/sql/parser/statement/core/statement/ddl/AlterIndexStatement.java
@@ -34,6 +34,8 @@ public class AlterIndexStatement extends AbstractSQLStatement 
implements DDLStat
     
     private IndexSegment renameIndex;
     
+    private SimpleTableSegment simpleTable;
+    
     /**
      * Get index segment.
      *
@@ -44,28 +46,20 @@ public class AlterIndexStatement extends 
AbstractSQLStatement implements DDLStat
     }
     
     /**
-     * Get simple table segment.
-     *
-     * @return simple table segment
-     */
-    public Optional<SimpleTableSegment> getSimpleTable() {
-        return Optional.empty();
-    }
-    
-    /**
-     * Set simple table segment.
+     * Get rename index segment.
      *
-     * @param simpleTableSegment simple table segment
+     * @return rename index segment
      */
-    public void setSimpleTable(final SimpleTableSegment simpleTableSegment) {
+    public Optional<IndexSegment> getRenameIndex() {
+        return Optional.ofNullable(renameIndex);
     }
     
     /**
-     * Get rename index segment.
+     * Get simple table segment.
      *
-     * @return rename index segment
+     * @return simple table segment
      */
-    public Optional<IndexSegment> getRenameIndex() {
-        return Optional.ofNullable(renameIndex);
+    public Optional<SimpleTableSegment> getSimpleTable() {
+        return Optional.ofNullable(simpleTable);
     }
 }
diff --git 
a/parser/sql/statement/core/src/main/java/org/apache/shardingsphere/sql/parser/statement/core/statement/ddl/AlterViewStatement.java
 
b/parser/sql/statement/core/src/main/java/org/apache/shardingsphere/sql/parser/statement/core/statement/ddl/AlterViewStatement.java
index 2b2202ef530..9debcf47dce 100644
--- 
a/parser/sql/statement/core/src/main/java/org/apache/shardingsphere/sql/parser/statement/core/statement/ddl/AlterViewStatement.java
+++ 
b/parser/sql/statement/core/src/main/java/org/apache/shardingsphere/sql/parser/statement/core/statement/ddl/AlterViewStatement.java
@@ -39,55 +39,43 @@ public class AlterViewStatement extends 
AbstractSQLStatement implements DDLState
     
     private ConstraintDefinitionSegment constraintDefinition;
     
-    /**
-     * Get select statement.
-     *
-     * @return select statement
-     */
-    public Optional<SelectStatement> getSelect() {
-        return Optional.empty();
-    }
+    private SelectStatement select;
     
-    /**
-     * Set select statement.
-     *
-     * @param select select statement
-     */
-    public void setSelect(final SelectStatement select) {
-    }
+    private String viewDefinition;
     
     /**
-     * Get view definition.
+     * Get rename view.
      *
-     * @return view definition
+     * @return rename view
      */
-    public Optional<String> getViewDefinition() {
-        return Optional.empty();
+    public Optional<SimpleTableSegment> getRenameView() {
+        return Optional.ofNullable(renameView);
     }
     
     /**
-     * Get view definition.
+     * Get constraint definition.
      *
-     * @param viewDefinition view definition
+     * @return constraint definition
      */
-    public void setViewDefinition(final String viewDefinition) {
+    public Optional<ConstraintDefinitionSegment> getConstraintDefinition() {
+        return Optional.ofNullable(constraintDefinition);
     }
     
     /**
-     * Get rename view.
+     * Get select statement.
      *
-     * @return rename view
+     * @return select statement
      */
-    public Optional<SimpleTableSegment> getRenameView() {
-        return Optional.ofNullable(renameView);
+    public Optional<SelectStatement> getSelect() {
+        return Optional.ofNullable(select);
     }
     
     /**
-     * Get constraint definition.
+     * Get view definition.
      *
-     * @return constraint definition
+     * @return view definition
      */
-    public Optional<ConstraintDefinitionSegment> getConstraintDefinition() {
-        return Optional.ofNullable(constraintDefinition);
+    public Optional<String> getViewDefinition() {
+        return Optional.ofNullable(viewDefinition);
     }
 }
diff --git 
a/parser/sql/statement/core/src/main/java/org/apache/shardingsphere/sql/parser/statement/core/statement/ddl/DropIndexStatement.java
 
b/parser/sql/statement/core/src/main/java/org/apache/shardingsphere/sql/parser/statement/core/statement/ddl/DropIndexStatement.java
index f488b6b94dc..fbc5bbedf95 100644
--- 
a/parser/sql/statement/core/src/main/java/org/apache/shardingsphere/sql/parser/statement/core/statement/ddl/DropIndexStatement.java
+++ 
b/parser/sql/statement/core/src/main/java/org/apache/shardingsphere/sql/parser/statement/core/statement/ddl/DropIndexStatement.java
@@ -40,21 +40,15 @@ public class DropIndexStatement extends 
AbstractSQLStatement implements DDLState
     
     private boolean ifExists;
     
+    private SimpleTableSegment simpleTable;
+    
     /**
      * Get simple table.
      *
      * @return simple table
      */
     public Optional<SimpleTableSegment> getSimpleTable() {
-        return Optional.empty();
-    }
-    
-    /**
-     * Set simple table.
-     *
-     * @param simpleTableSegment simple table
-     */
-    public void setSimpleTable(final SimpleTableSegment simpleTableSegment) {
+        return Optional.ofNullable(simpleTable);
     }
     
     /**
diff --git 
a/parser/sql/statement/core/src/main/java/org/apache/shardingsphere/sql/parser/statement/core/statement/dml/DeleteStatement.java
 
b/parser/sql/statement/core/src/main/java/org/apache/shardingsphere/sql/parser/statement/core/statement/dml/DeleteStatement.java
index fb8a36a70f9..4e48b215fdf 100644
--- 
a/parser/sql/statement/core/src/main/java/org/apache/shardingsphere/sql/parser/statement/core/statement/dml/DeleteStatement.java
+++ 
b/parser/sql/statement/core/src/main/java/org/apache/shardingsphere/sql/parser/statement/core/statement/dml/DeleteStatement.java
@@ -45,8 +45,12 @@ public class DeleteStatement extends AbstractSQLStatement 
implements DMLStatemen
     
     private LimitSegment limit;
     
+    private WithSegment withSegment;
+    
     private ReturningSegment returningSegment;
     
+    private OutputSegment outputSegment;
+    
     /**
      * Get where.
      *
@@ -74,46 +78,30 @@ public class DeleteStatement extends AbstractSQLStatement 
implements DMLStatemen
         return Optional.ofNullable(limit);
     }
     
-    /**
-     * Get output segment.
-     *
-     * @return output segment
-     */
-    public Optional<OutputSegment> getOutputSegment() {
-        return Optional.empty();
-    }
-    
     /**
      * Get with segment.
      *
      * @return with segment
      */
     public Optional<WithSegment> getWithSegment() {
-        return Optional.empty();
-    }
-    
-    /**
-     * Set output segment.
-     *
-     * @param outputSegment output segment
-     */
-    public void setOutputSegment(final OutputSegment outputSegment) {
+        return Optional.ofNullable(withSegment);
     }
     
     /**
-     * Set with segment.
+     * Get returning segment of delete statement.
      *
-     * @param withSegment with segment
+     * @return returning segment
      */
-    public void setWithSegment(final WithSegment withSegment) {
+    public Optional<ReturningSegment> getReturningSegment() {
+        return Optional.ofNullable(returningSegment);
     }
     
     /**
-     * Get returning segment of delete statement.
+     * Get output segment.
      *
-     * @return returning segment
+     * @return output segment
      */
-    public Optional<ReturningSegment> getReturningSegment() {
-        return Optional.ofNullable(returningSegment);
+    public Optional<OutputSegment> getOutputSegment() {
+        return Optional.ofNullable(outputSegment);
     }
 }
diff --git 
a/parser/sql/statement/core/src/main/java/org/apache/shardingsphere/sql/parser/statement/core/statement/dml/InsertStatement.java
 
b/parser/sql/statement/core/src/main/java/org/apache/shardingsphere/sql/parser/statement/core/statement/dml/InsertStatement.java
index 3dd0af20a17..c677fbbd591 100644
--- 
a/parser/sql/statement/core/src/main/java/org/apache/shardingsphere/sql/parser/statement/core/statement/dml/InsertStatement.java
+++ 
b/parser/sql/statement/core/src/main/java/org/apache/shardingsphere/sql/parser/statement/core/statement/dml/InsertStatement.java
@@ -62,6 +62,8 @@ public class InsertStatement extends AbstractSQLStatement 
implements DMLStatemen
     
     private ReturningSegment returningSegment;
     
+    private OutputSegment outputSegment;
+    
     private WithSegment withSegment;
     
     private MultiTableInsertType multiTableInsertType;
@@ -72,6 +74,12 @@ public class InsertStatement extends AbstractSQLStatement 
implements DMLStatemen
     
     private WhereSegment where;
     
+    private ExecSegment execSegment;
+    
+    private WithTableHintSegment withTableHintSegment;
+    
+    private FunctionSegment rowSetFunctionSegment;
+    
     private final Collection<InsertValuesSegment> values = new LinkedList<>();
     
     private final Collection<ColumnSegment> derivedInsertColumns = new 
LinkedList<>();
@@ -145,15 +153,7 @@ public class InsertStatement extends AbstractSQLStatement 
implements DMLStatemen
      * @return output segment
      */
     public Optional<OutputSegment> getOutputSegment() {
-        return Optional.empty();
-    }
-    
-    /**
-     * Set output segment.
-     *
-     * @param outputSegment output segment
-     */
-    public void setOutputSegment(final OutputSegment outputSegment) {
+        return Optional.ofNullable(outputSegment);
     }
     
     /**
@@ -207,15 +207,7 @@ public class InsertStatement extends AbstractSQLStatement 
implements DMLStatemen
      * @return execute segment
      */
     public Optional<ExecSegment> getExecSegment() {
-        return Optional.empty();
-    }
-    
-    /**
-     * Set execute segment.
-     *
-     * @param execSegment execute segment
-     */
-    public void setExecSegment(final ExecSegment execSegment) {
+        return Optional.ofNullable(execSegment);
     }
     
     /**
@@ -224,7 +216,7 @@ public class InsertStatement extends AbstractSQLStatement 
implements DMLStatemen
      * @return with table hint segment
      */
     public Optional<WithTableHintSegment> getWithTableHintSegment() {
-        return Optional.empty();
+        return Optional.ofNullable(withTableHintSegment);
     }
     
     /**
@@ -233,6 +225,6 @@ public class InsertStatement extends AbstractSQLStatement 
implements DMLStatemen
      * @return rowSet function segment
      */
     public Optional<FunctionSegment> getRowSetFunctionSegment() {
-        return Optional.empty();
+        return Optional.ofNullable(rowSetFunctionSegment);
     }
 }
diff --git 
a/parser/sql/statement/core/src/main/java/org/apache/shardingsphere/sql/parser/statement/core/statement/dml/MergeStatement.java
 
b/parser/sql/statement/core/src/main/java/org/apache/shardingsphere/sql/parser/statement/core/statement/dml/MergeStatement.java
index 4f289719a71..1eb5749a5a8 100644
--- 
a/parser/sql/statement/core/src/main/java/org/apache/shardingsphere/sql/parser/statement/core/statement/dml/MergeStatement.java
+++ 
b/parser/sql/statement/core/src/main/java/org/apache/shardingsphere/sql/parser/statement/core/statement/dml/MergeStatement.java
@@ -21,6 +21,7 @@ import lombok.Getter;
 import lombok.Setter;
 import 
org.apache.shardingsphere.sql.parser.statement.core.segment.ddl.index.IndexSegment;
 import 
org.apache.shardingsphere.sql.parser.statement.core.segment.dml.expr.ExpressionWithParamsSegment;
+import 
org.apache.shardingsphere.sql.parser.statement.core.segment.dml.hint.OptionHintSegment;
 import 
org.apache.shardingsphere.sql.parser.statement.core.segment.dml.hint.WithTableHintSegment;
 import 
org.apache.shardingsphere.sql.parser.statement.core.segment.dml.merge.MergeWhenAndThenSegment;
 import 
org.apache.shardingsphere.sql.parser.statement.core.segment.generic.OutputSegment;
@@ -29,7 +30,7 @@ import 
org.apache.shardingsphere.sql.parser.statement.core.segment.generic.table
 import 
org.apache.shardingsphere.sql.parser.statement.core.statement.AbstractSQLStatement;
 
 import java.util.Collection;
-import java.util.Collections;
+import java.util.LinkedList;
 import java.util.Optional;
 
 /**
@@ -49,6 +50,18 @@ public class MergeStatement extends AbstractSQLStatement 
implements DMLStatement
     
     private InsertStatement insert;
     
+    private WithSegment withSegment;
+    
+    private WithTableHintSegment withTableHintSegment;
+    
+    private Collection<IndexSegment> indexes = new LinkedList<>();
+    
+    private OutputSegment outputSegment;
+    
+    private OptionHintSegment optionHintSegment;
+    
+    private Collection<MergeWhenAndThenSegment> whenAndThenSegments = new 
LinkedList<>();
+    
     /**
      * Get update statement.
      *
@@ -73,7 +86,7 @@ public class MergeStatement extends AbstractSQLStatement 
implements DMLStatement
      * @return with segment
      */
     public Optional<WithSegment> getWithSegment() {
-        return Optional.empty();
+        return Optional.ofNullable(withSegment);
     }
     
     /**
@@ -82,7 +95,7 @@ public class MergeStatement extends AbstractSQLStatement 
implements DMLStatement
      * @return with table hint segment
      */
     public Optional<WithTableHintSegment> getWithTableHintSegment() {
-        return Optional.empty();
+        return Optional.ofNullable(withTableHintSegment);
     }
     
     /**
@@ -91,24 +104,15 @@ public class MergeStatement extends AbstractSQLStatement 
implements DMLStatement
      * @return output segment
      */
     public Optional<OutputSegment> getOutputSegment() {
-        return Optional.empty();
-    }
-    
-    /**
-     * Get when and then segments.
-     *
-     * @return when and then segments
-     */
-    public Collection<MergeWhenAndThenSegment> getWhenAndThenSegments() {
-        return Collections.emptyList();
+        return Optional.ofNullable(outputSegment);
     }
     
     /**
-     * Get index segments.
+     * Get option hint segment.
      *
-     * @return index segments
+     * @return option hint segment.
      */
-    public Collection<IndexSegment> getIndexes() {
-        return Collections.emptyList();
+    public Optional<OptionHintSegment> getOptionHintSegment() {
+        return Optional.ofNullable(optionHintSegment);
     }
 }
diff --git 
a/parser/sql/statement/core/src/main/java/org/apache/shardingsphere/sql/parser/statement/core/statement/dml/SelectStatement.java
 
b/parser/sql/statement/core/src/main/java/org/apache/shardingsphere/sql/parser/statement/core/statement/dml/SelectStatement.java
index c374321af24..4f3b2309ee4 100644
--- 
a/parser/sql/statement/core/src/main/java/org/apache/shardingsphere/sql/parser/statement/core/statement/dml/SelectStatement.java
+++ 
b/parser/sql/statement/core/src/main/java/org/apache/shardingsphere/sql/parser/statement/core/statement/dml/SelectStatement.java
@@ -21,6 +21,7 @@ import lombok.Getter;
 import lombok.Setter;
 import org.apache.shardingsphere.sql.parser.statement.core.enums.SubqueryType;
 import 
org.apache.shardingsphere.sql.parser.statement.core.segment.dml.combine.CombineSegment;
+import 
org.apache.shardingsphere.sql.parser.statement.core.segment.dml.hint.WithTableHintSegment;
 import 
org.apache.shardingsphere.sql.parser.statement.core.segment.dml.item.ProjectionsSegment;
 import 
org.apache.shardingsphere.sql.parser.statement.core.segment.dml.order.GroupBySegment;
 import 
org.apache.shardingsphere.sql.parser.statement.core.segment.dml.order.OrderBySegment;
@@ -71,6 +72,8 @@ public class SelectStatement extends AbstractSQLStatement 
implements DMLStatemen
     
     private ModelSegment modelSegment;
     
+    private WithTableHintSegment withTableHintSegment;
+    
     /**
      * Get from.
      *
@@ -187,4 +190,13 @@ public class SelectStatement extends AbstractSQLStatement 
implements DMLStatemen
     public Optional<ModelSegment> getModelSegment() {
         return Optional.ofNullable(modelSegment);
     }
+    
+    /**
+     * Get with table hint segment.
+     *
+     * @return with table hint segment.
+     */
+    public Optional<WithTableHintSegment> getWithTableHintSegment() {
+        return Optional.ofNullable(withTableHintSegment);
+    }
 }
diff --git 
a/parser/sql/statement/core/src/main/java/org/apache/shardingsphere/sql/parser/statement/core/statement/dml/UpdateStatement.java
 
b/parser/sql/statement/core/src/main/java/org/apache/shardingsphere/sql/parser/statement/core/statement/dml/UpdateStatement.java
index 83bc89a05db..b76ec879255 100644
--- 
a/parser/sql/statement/core/src/main/java/org/apache/shardingsphere/sql/parser/statement/core/statement/dml/UpdateStatement.java
+++ 
b/parser/sql/statement/core/src/main/java/org/apache/shardingsphere/sql/parser/statement/core/statement/dml/UpdateStatement.java
@@ -22,6 +22,7 @@ import lombok.Setter;
 import 
org.apache.shardingsphere.sql.parser.statement.core.segment.dml.ReturningSegment;
 import 
org.apache.shardingsphere.sql.parser.statement.core.segment.dml.assignment.SetAssignmentSegment;
 import 
org.apache.shardingsphere.sql.parser.statement.core.segment.dml.hint.OptionHintSegment;
+import 
org.apache.shardingsphere.sql.parser.statement.core.segment.dml.hint.WithTableHintSegment;
 import 
org.apache.shardingsphere.sql.parser.statement.core.segment.dml.order.OrderBySegment;
 import 
org.apache.shardingsphere.sql.parser.statement.core.segment.dml.pagination.limit.LimitSegment;
 import 
org.apache.shardingsphere.sql.parser.statement.core.segment.dml.predicate.WhereSegment;
@@ -53,8 +54,16 @@ public class UpdateStatement extends AbstractSQLStatement 
implements DMLStatemen
     
     private WhereSegment deleteWhere;
     
+    private WithSegment withSegment;
+    
     private ReturningSegment returningSegment;
     
+    private WithTableHintSegment withTableHintSegment;
+    
+    private OptionHintSegment optionHintSegment;
+    
+    private OutputSegment outputSegment;
+    
     /**
      * Get where.
      *
@@ -97,7 +106,7 @@ public class UpdateStatement extends AbstractSQLStatement 
implements DMLStatemen
      * @return with segment
      */
     public Optional<WithSegment> getWithSegment() {
-        return Optional.empty();
+        return Optional.ofNullable(withSegment);
     }
     
     /**
@@ -106,15 +115,7 @@ public class UpdateStatement extends AbstractSQLStatement 
implements DMLStatemen
      * @return option hint segment
      */
     public Optional<OptionHintSegment> getOptionHintSegment() {
-        return Optional.empty();
-    }
-    
-    /**
-     * Set with segment.
-     *
-     * @param withSegment with segment
-     */
-    public void setWithSegment(final WithSegment withSegment) {
+        return Optional.ofNullable(optionHintSegment);
     }
     
     /**
@@ -123,15 +124,7 @@ public class UpdateStatement extends AbstractSQLStatement 
implements DMLStatemen
      * @return output segment
      */
     public Optional<OutputSegment> getOutputSegment() {
-        return Optional.empty();
-    }
-    
-    /**
-     * Set output segment.
-     *
-     * @param outputSegment output segment
-     */
-    public void setOutputSegment(final OutputSegment outputSegment) {
+        return Optional.ofNullable(outputSegment);
     }
     
     /**
@@ -160,4 +153,13 @@ public class UpdateStatement extends AbstractSQLStatement 
implements DMLStatemen
     public Optional<ReturningSegment> getReturningSegment() {
         return Optional.ofNullable(returningSegment);
     }
+    
+    /**
+     * Get with table hint segment.
+     *
+     * @return with table hint segment.
+     */
+    public Optional<WithTableHintSegment> getWithTableHintSegment() {
+        return Optional.ofNullable(withTableHintSegment);
+    }
 }
diff --git 
a/parser/sql/statement/type/sqlserver/src/main/java/org/apache/shardingsphere/sql/parser/statement/sqlserver/SQLServerStatement.java
 
b/parser/sql/statement/type/sqlserver/src/main/java/org/apache/shardingsphere/sql/parser/statement/sqlserver/SQLServerStatement.java
deleted file mode 100644
index 6894f8787b5..00000000000
--- 
a/parser/sql/statement/type/sqlserver/src/main/java/org/apache/shardingsphere/sql/parser/statement/sqlserver/SQLServerStatement.java
+++ /dev/null
@@ -1,26 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.apache.shardingsphere.sql.parser.statement.sqlserver;
-
-import 
org.apache.shardingsphere.sql.parser.statement.core.statement.SQLStatement;
-
-/**
- * SQLServer statement.
- */
-public interface SQLServerStatement extends SQLStatement {
-}
diff --git 
a/parser/sql/statement/type/sqlserver/src/main/java/org/apache/shardingsphere/sql/parser/statement/sqlserver/dcl/SQLServerAlterUserStatement.java
 
b/parser/sql/statement/type/sqlserver/src/main/java/org/apache/shardingsphere/sql/parser/statement/sqlserver/dcl/SQLServerAlterUserStatement.java
index 34c72a75bc4..5349024220e 100644
--- 
a/parser/sql/statement/type/sqlserver/src/main/java/org/apache/shardingsphere/sql/parser/statement/sqlserver/dcl/SQLServerAlterUserStatement.java
+++ 
b/parser/sql/statement/type/sqlserver/src/main/java/org/apache/shardingsphere/sql/parser/statement/sqlserver/dcl/SQLServerAlterUserStatement.java
@@ -22,14 +22,13 @@ import lombok.RequiredArgsConstructor;
 import 
org.apache.shardingsphere.sql.parser.statement.core.segment.dcl.UserSegment;
 import 
org.apache.shardingsphere.sql.parser.statement.core.statement.dcl.AlterUserStatement;
 import 
org.apache.shardingsphere.sql.parser.statement.core.statement.dcl.DCLStatement;
-import 
org.apache.shardingsphere.sql.parser.statement.sqlserver.SQLServerStatement;
 
 /**
  * Alter user statement.
  */
 @RequiredArgsConstructor
 @Getter
-public final class SQLServerAlterUserStatement extends AlterUserStatement 
implements SQLServerStatement, DCLStatement {
+public final class SQLServerAlterUserStatement extends AlterUserStatement 
implements DCLStatement {
     
     private final UserSegment user;
 }
diff --git 
a/parser/sql/statement/type/sqlserver/src/main/java/org/apache/shardingsphere/sql/parser/statement/sqlserver/dcl/SQLServerCreateLoginStatement.java
 
b/parser/sql/statement/type/sqlserver/src/main/java/org/apache/shardingsphere/sql/parser/statement/sqlserver/dcl/SQLServerCreateLoginStatement.java
index 363dcc061dd..98b34ff9f31 100644
--- 
a/parser/sql/statement/type/sqlserver/src/main/java/org/apache/shardingsphere/sql/parser/statement/sqlserver/dcl/SQLServerCreateLoginStatement.java
+++ 
b/parser/sql/statement/type/sqlserver/src/main/java/org/apache/shardingsphere/sql/parser/statement/sqlserver/dcl/SQLServerCreateLoginStatement.java
@@ -22,14 +22,13 @@ import lombok.RequiredArgsConstructor;
 import 
org.apache.shardingsphere.sql.parser.statement.core.segment.dcl.LoginSegment;
 import 
org.apache.shardingsphere.sql.parser.statement.core.statement.AbstractSQLStatement;
 import 
org.apache.shardingsphere.sql.parser.statement.core.statement.dcl.DCLStatement;
-import 
org.apache.shardingsphere.sql.parser.statement.sqlserver.SQLServerStatement;
 
 /**
  * SQLServer Create login statement.
  */
 @RequiredArgsConstructor
 @Getter
-public final class SQLServerCreateLoginStatement extends AbstractSQLStatement 
implements SQLServerStatement, DCLStatement {
+public final class SQLServerCreateLoginStatement extends AbstractSQLStatement 
implements DCLStatement {
     
     private final LoginSegment loginSegment;
 }
diff --git 
a/parser/sql/statement/type/sqlserver/src/main/java/org/apache/shardingsphere/sql/parser/statement/sqlserver/dcl/SQLServerGrantStatement.java
 
b/parser/sql/statement/type/sqlserver/src/main/java/org/apache/shardingsphere/sql/parser/statement/sqlserver/dcl/SQLServerGrantStatement.java
index 338abfa6317..914a279e1b6 100644
--- 
a/parser/sql/statement/type/sqlserver/src/main/java/org/apache/shardingsphere/sql/parser/statement/sqlserver/dcl/SQLServerGrantStatement.java
+++ 
b/parser/sql/statement/type/sqlserver/src/main/java/org/apache/shardingsphere/sql/parser/statement/sqlserver/dcl/SQLServerGrantStatement.java
@@ -20,7 +20,6 @@ package 
org.apache.shardingsphere.sql.parser.statement.sqlserver.dcl;
 import lombok.Getter;
 import 
org.apache.shardingsphere.sql.parser.statement.core.segment.dml.column.ColumnSegment;
 import 
org.apache.shardingsphere.sql.parser.statement.core.statement.dcl.GrantStatement;
-import 
org.apache.shardingsphere.sql.parser.statement.sqlserver.SQLServerStatement;
 
 import java.util.LinkedList;
 import java.util.List;
@@ -29,7 +28,7 @@ import java.util.List;
  * SQLServer grant statement.
  */
 @Getter
-public final class SQLServerGrantStatement extends GrantStatement implements 
SQLServerStatement {
+public final class SQLServerGrantStatement extends GrantStatement {
     
     private final List<ColumnSegment> columns = new LinkedList<>();
 }
diff --git 
a/parser/sql/statement/type/sqlserver/src/main/java/org/apache/shardingsphere/sql/parser/statement/sqlserver/dcl/SQLServerRevokeStatement.java
 
b/parser/sql/statement/type/sqlserver/src/main/java/org/apache/shardingsphere/sql/parser/statement/sqlserver/dcl/SQLServerRevokeStatement.java
index a598a711fad..06a7a47a6d5 100644
--- 
a/parser/sql/statement/type/sqlserver/src/main/java/org/apache/shardingsphere/sql/parser/statement/sqlserver/dcl/SQLServerRevokeStatement.java
+++ 
b/parser/sql/statement/type/sqlserver/src/main/java/org/apache/shardingsphere/sql/parser/statement/sqlserver/dcl/SQLServerRevokeStatement.java
@@ -20,7 +20,6 @@ package 
org.apache.shardingsphere.sql.parser.statement.sqlserver.dcl;
 import lombok.Getter;
 import 
org.apache.shardingsphere.sql.parser.statement.core.segment.dml.column.ColumnSegment;
 import 
org.apache.shardingsphere.sql.parser.statement.core.statement.dcl.RevokeStatement;
-import 
org.apache.shardingsphere.sql.parser.statement.sqlserver.SQLServerStatement;
 
 import java.util.Collection;
 import java.util.LinkedList;
@@ -29,7 +28,7 @@ import java.util.LinkedList;
  * SQLServer revoke statement.
  */
 @Getter
-public final class SQLServerRevokeStatement extends RevokeStatement implements 
SQLServerStatement {
+public final class SQLServerRevokeStatement extends RevokeStatement {
     
     private final Collection<ColumnSegment> columns = new LinkedList<>();
 }
diff --git 
a/parser/sql/statement/type/sqlserver/src/main/java/org/apache/shardingsphere/sql/parser/statement/sqlserver/dcl/SQLServerSetUserStatement.java
 
b/parser/sql/statement/type/sqlserver/src/main/java/org/apache/shardingsphere/sql/parser/statement/sqlserver/dcl/SQLServerSetUserStatement.java
index 94ea8c8dcf1..8c40f400d66 100644
--- 
a/parser/sql/statement/type/sqlserver/src/main/java/org/apache/shardingsphere/sql/parser/statement/sqlserver/dcl/SQLServerSetUserStatement.java
+++ 
b/parser/sql/statement/type/sqlserver/src/main/java/org/apache/shardingsphere/sql/parser/statement/sqlserver/dcl/SQLServerSetUserStatement.java
@@ -22,14 +22,13 @@ import lombok.RequiredArgsConstructor;
 import 
org.apache.shardingsphere.sql.parser.statement.core.segment.dcl.UserSegment;
 import 
org.apache.shardingsphere.sql.parser.statement.core.statement.AbstractSQLStatement;
 import 
org.apache.shardingsphere.sql.parser.statement.core.statement.dcl.DCLStatement;
-import 
org.apache.shardingsphere.sql.parser.statement.sqlserver.SQLServerStatement;
 
 /**
  * SQLServer set user statement.
  */
 @RequiredArgsConstructor
 @Getter
-public final class SQLServerSetUserStatement extends AbstractSQLStatement 
implements SQLServerStatement, DCLStatement {
+public final class SQLServerSetUserStatement extends AbstractSQLStatement 
implements DCLStatement {
     
     private final UserSegment user;
 }
diff --git 
a/parser/sql/statement/type/sqlserver/src/main/java/org/apache/shardingsphere/sql/parser/statement/sqlserver/ddl/SQLServerAlterIndexStatement.java
 
b/parser/sql/statement/type/sqlserver/src/main/java/org/apache/shardingsphere/sql/parser/statement/sqlserver/ddl/SQLServerAlterIndexStatement.java
deleted file mode 100644
index 5a93b3ffc4e..00000000000
--- 
a/parser/sql/statement/type/sqlserver/src/main/java/org/apache/shardingsphere/sql/parser/statement/sqlserver/ddl/SQLServerAlterIndexStatement.java
+++ /dev/null
@@ -1,39 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.apache.shardingsphere.sql.parser.statement.sqlserver.ddl;
-
-import lombok.Setter;
-import 
org.apache.shardingsphere.sql.parser.statement.core.segment.generic.table.SimpleTableSegment;
-import 
org.apache.shardingsphere.sql.parser.statement.core.statement.ddl.AlterIndexStatement;
-import 
org.apache.shardingsphere.sql.parser.statement.sqlserver.SQLServerStatement;
-
-import java.util.Optional;
-
-/**
- * SQLServer alter index statement.
- */
-@Setter
-public final class SQLServerAlterIndexStatement extends AlterIndexStatement 
implements SQLServerStatement {
-    
-    private SimpleTableSegment simpleTable;
-    
-    @Override
-    public Optional<SimpleTableSegment> getSimpleTable() {
-        return Optional.ofNullable(simpleTable);
-    }
-}
diff --git 
a/parser/sql/statement/type/sqlserver/src/main/java/org/apache/shardingsphere/sql/parser/statement/sqlserver/ddl/SQLServerAlterServiceStatement.java
 
b/parser/sql/statement/type/sqlserver/src/main/java/org/apache/shardingsphere/sql/parser/statement/sqlserver/ddl/SQLServerAlterServiceStatement.java
index 2df471c5ba5..5a7593e9ffc 100644
--- 
a/parser/sql/statement/type/sqlserver/src/main/java/org/apache/shardingsphere/sql/parser/statement/sqlserver/ddl/SQLServerAlterServiceStatement.java
+++ 
b/parser/sql/statement/type/sqlserver/src/main/java/org/apache/shardingsphere/sql/parser/statement/sqlserver/ddl/SQLServerAlterServiceStatement.java
@@ -19,10 +19,9 @@ package 
org.apache.shardingsphere.sql.parser.statement.sqlserver.ddl;
 
 import 
org.apache.shardingsphere.sql.parser.statement.core.statement.AbstractSQLStatement;
 import 
org.apache.shardingsphere.sql.parser.statement.core.statement.ddl.DDLStatement;
-import 
org.apache.shardingsphere.sql.parser.statement.sqlserver.SQLServerStatement;
 
 /**
  * SQLServer alter service statement.
  */
-public final class SQLServerAlterServiceStatement extends AbstractSQLStatement 
implements DDLStatement, SQLServerStatement {
+public final class SQLServerAlterServiceStatement extends AbstractSQLStatement 
implements DDLStatement {
 }
diff --git 
a/parser/sql/statement/type/sqlserver/src/main/java/org/apache/shardingsphere/sql/parser/statement/sqlserver/ddl/SQLServerAlterViewStatement.java
 
b/parser/sql/statement/type/sqlserver/src/main/java/org/apache/shardingsphere/sql/parser/statement/sqlserver/ddl/SQLServerAlterViewStatement.java
deleted file mode 100644
index dbe144a505c..00000000000
--- 
a/parser/sql/statement/type/sqlserver/src/main/java/org/apache/shardingsphere/sql/parser/statement/sqlserver/ddl/SQLServerAlterViewStatement.java
+++ /dev/null
@@ -1,46 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.apache.shardingsphere.sql.parser.statement.sqlserver.ddl;
-
-import lombok.Setter;
-import 
org.apache.shardingsphere.sql.parser.statement.core.statement.ddl.AlterViewStatement;
-import 
org.apache.shardingsphere.sql.parser.statement.core.statement.dml.SelectStatement;
-import 
org.apache.shardingsphere.sql.parser.statement.sqlserver.SQLServerStatement;
-
-import java.util.Optional;
-
-/**
- * SQLServer alter view statement.
- */
-@Setter
-public final class SQLServerAlterViewStatement extends AlterViewStatement 
implements SQLServerStatement {
-    
-    private SelectStatement select;
-    
-    private String viewDefinition;
-    
-    @Override
-    public Optional<SelectStatement> getSelect() {
-        return Optional.ofNullable(select);
-    }
-    
-    @Override
-    public Optional<String> getViewDefinition() {
-        return Optional.ofNullable(viewDefinition);
-    }
-}
diff --git 
a/parser/sql/statement/type/sqlserver/src/main/java/org/apache/shardingsphere/sql/parser/statement/sqlserver/ddl/SQLServerCreateTableStatement.java
 
b/parser/sql/statement/type/sqlserver/src/main/java/org/apache/shardingsphere/sql/parser/statement/sqlserver/ddl/SQLServerCreateTableStatement.java
index 29ac37fc95e..ac9161a129d 100644
--- 
a/parser/sql/statement/type/sqlserver/src/main/java/org/apache/shardingsphere/sql/parser/statement/sqlserver/ddl/SQLServerCreateTableStatement.java
+++ 
b/parser/sql/statement/type/sqlserver/src/main/java/org/apache/shardingsphere/sql/parser/statement/sqlserver/ddl/SQLServerCreateTableStatement.java
@@ -18,10 +18,8 @@
 package org.apache.shardingsphere.sql.parser.statement.sqlserver.ddl;
 
 import lombok.Getter;
-import lombok.Setter;
 import 
org.apache.shardingsphere.sql.parser.statement.core.segment.dml.column.ColumnSegment;
 import 
org.apache.shardingsphere.sql.parser.statement.core.statement.ddl.CreateTableStatement;
-import 
org.apache.shardingsphere.sql.parser.statement.sqlserver.SQLServerStatement;
 
 import java.util.LinkedList;
 import java.util.List;
@@ -30,8 +28,7 @@ import java.util.List;
  * SQLServer create table statement.
  */
 @Getter
-@Setter
-public final class SQLServerCreateTableStatement extends CreateTableStatement 
implements SQLServerStatement {
+public final class SQLServerCreateTableStatement extends CreateTableStatement {
     
     private final List<ColumnSegment> columns = new LinkedList<>();
 }
diff --git 
a/parser/sql/statement/type/sqlserver/src/main/java/org/apache/shardingsphere/sql/parser/statement/sqlserver/ddl/SQLServerDropIndexStatement.java
 
b/parser/sql/statement/type/sqlserver/src/main/java/org/apache/shardingsphere/sql/parser/statement/sqlserver/ddl/SQLServerDropIndexStatement.java
deleted file mode 100644
index e2c766cec85..00000000000
--- 
a/parser/sql/statement/type/sqlserver/src/main/java/org/apache/shardingsphere/sql/parser/statement/sqlserver/ddl/SQLServerDropIndexStatement.java
+++ /dev/null
@@ -1,45 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.apache.shardingsphere.sql.parser.statement.sqlserver.ddl;
-
-import lombok.Getter;
-import lombok.RequiredArgsConstructor;
-import lombok.Setter;
-import 
org.apache.shardingsphere.sql.parser.statement.core.segment.generic.table.SimpleTableSegment;
-import 
org.apache.shardingsphere.sql.parser.statement.core.statement.ddl.DropIndexStatement;
-import 
org.apache.shardingsphere.sql.parser.statement.sqlserver.SQLServerStatement;
-
-import java.util.Optional;
-
-/**
- * SQLServer drop index statement.
- */
-@RequiredArgsConstructor
-@Getter
-@Setter
-public final class SQLServerDropIndexStatement extends DropIndexStatement 
implements SQLServerStatement {
-    
-    private boolean ifExists;
-    
-    private SimpleTableSegment simpleTable;
-    
-    @Override
-    public Optional<SimpleTableSegment> getSimpleTable() {
-        return Optional.ofNullable(simpleTable);
-    }
-}
diff --git 
a/parser/sql/statement/type/sqlserver/src/main/java/org/apache/shardingsphere/sql/parser/statement/sqlserver/ddl/SQLServerDropTableStatement.java
 
b/parser/sql/statement/type/sqlserver/src/main/java/org/apache/shardingsphere/sql/parser/statement/sqlserver/ddl/SQLServerDropTableStatement.java
deleted file mode 100644
index 9036747d792..00000000000
--- 
a/parser/sql/statement/type/sqlserver/src/main/java/org/apache/shardingsphere/sql/parser/statement/sqlserver/ddl/SQLServerDropTableStatement.java
+++ /dev/null
@@ -1,35 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.apache.shardingsphere.sql.parser.statement.sqlserver.ddl;
-
-import lombok.Getter;
-import lombok.RequiredArgsConstructor;
-import lombok.Setter;
-import 
org.apache.shardingsphere.sql.parser.statement.core.statement.ddl.DropTableStatement;
-import 
org.apache.shardingsphere.sql.parser.statement.sqlserver.SQLServerStatement;
-
-/**
- * SQLServer drop table statement.
- */
-@RequiredArgsConstructor
-@Getter
-@Setter
-public final class SQLServerDropTableStatement extends DropTableStatement 
implements SQLServerStatement {
-    
-    private boolean ifExists;
-}
diff --git 
a/parser/sql/statement/type/sqlserver/src/main/java/org/apache/shardingsphere/sql/parser/statement/sqlserver/ddl/SQLServerDropViewStatement.java
 
b/parser/sql/statement/type/sqlserver/src/main/java/org/apache/shardingsphere/sql/parser/statement/sqlserver/ddl/SQLServerDropViewStatement.java
deleted file mode 100644
index 4f2b9555581..00000000000
--- 
a/parser/sql/statement/type/sqlserver/src/main/java/org/apache/shardingsphere/sql/parser/statement/sqlserver/ddl/SQLServerDropViewStatement.java
+++ /dev/null
@@ -1,33 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.apache.shardingsphere.sql.parser.statement.sqlserver.ddl;
-
-import lombok.Getter;
-import lombok.Setter;
-import 
org.apache.shardingsphere.sql.parser.statement.core.statement.ddl.DropViewStatement;
-import 
org.apache.shardingsphere.sql.parser.statement.sqlserver.SQLServerStatement;
-
-/**
- * SQLServer drop view statement.
- */
-@Getter
-@Setter
-public final class SQLServerDropViewStatement extends DropViewStatement 
implements SQLServerStatement {
-    
-    private boolean ifExists;
-}
diff --git 
a/parser/sql/statement/type/sqlserver/src/main/java/org/apache/shardingsphere/sql/parser/statement/sqlserver/dml/SQLServerDeleteStatement.java
 
b/parser/sql/statement/type/sqlserver/src/main/java/org/apache/shardingsphere/sql/parser/statement/sqlserver/dml/SQLServerDeleteStatement.java
deleted file mode 100644
index 2c729540df6..00000000000
--- 
a/parser/sql/statement/type/sqlserver/src/main/java/org/apache/shardingsphere/sql/parser/statement/sqlserver/dml/SQLServerDeleteStatement.java
+++ /dev/null
@@ -1,47 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.apache.shardingsphere.sql.parser.statement.sqlserver.dml;
-
-import lombok.Setter;
-import 
org.apache.shardingsphere.sql.parser.statement.core.segment.generic.OutputSegment;
-import 
org.apache.shardingsphere.sql.parser.statement.core.segment.generic.WithSegment;
-import 
org.apache.shardingsphere.sql.parser.statement.core.statement.dml.DeleteStatement;
-import 
org.apache.shardingsphere.sql.parser.statement.sqlserver.SQLServerStatement;
-
-import java.util.Optional;
-
-/**
- * SQLServer delete statement.
- */
-@Setter
-public final class SQLServerDeleteStatement extends DeleteStatement implements 
SQLServerStatement {
-    
-    private WithSegment withSegment;
-    
-    private OutputSegment outputSegment;
-    
-    @Override
-    public Optional<WithSegment> getWithSegment() {
-        return Optional.ofNullable(withSegment);
-    }
-    
-    @Override
-    public Optional<OutputSegment> getOutputSegment() {
-        return Optional.ofNullable(outputSegment);
-    }
-}
diff --git 
a/parser/sql/statement/type/sqlserver/src/main/java/org/apache/shardingsphere/sql/parser/statement/sqlserver/dml/SQLServerInsertStatement.java
 
b/parser/sql/statement/type/sqlserver/src/main/java/org/apache/shardingsphere/sql/parser/statement/sqlserver/dml/SQLServerInsertStatement.java
deleted file mode 100644
index 02db4ac1409..00000000000
--- 
a/parser/sql/statement/type/sqlserver/src/main/java/org/apache/shardingsphere/sql/parser/statement/sqlserver/dml/SQLServerInsertStatement.java
+++ /dev/null
@@ -1,71 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.apache.shardingsphere.sql.parser.statement.sqlserver.dml;
-
-import lombok.Setter;
-import 
org.apache.shardingsphere.sql.parser.statement.core.segment.dml.expr.FunctionSegment;
-import 
org.apache.shardingsphere.sql.parser.statement.core.segment.generic.OutputSegment;
-import 
org.apache.shardingsphere.sql.parser.statement.core.segment.generic.WithSegment;
-import 
org.apache.shardingsphere.sql.parser.statement.core.segment.dml.hint.WithTableHintSegment;
-import 
org.apache.shardingsphere.sql.parser.statement.core.statement.dml.InsertStatement;
-import 
org.apache.shardingsphere.sql.parser.statement.core.segment.dml.exec.ExecSegment;
-import 
org.apache.shardingsphere.sql.parser.statement.sqlserver.SQLServerStatement;
-
-import java.util.Optional;
-
-/**
- * SQLServer insert statement.
- */
-@Setter
-public final class SQLServerInsertStatement extends InsertStatement implements 
SQLServerStatement {
-    
-    private WithSegment withSegment;
-    
-    private OutputSegment outputSegment;
-    
-    private ExecSegment execSegment;
-    
-    private WithTableHintSegment withTableHintSegment;
-    
-    private FunctionSegment rowSetFunctionSegment;
-    
-    @Override
-    public Optional<WithSegment> getWithSegment() {
-        return Optional.ofNullable(withSegment);
-    }
-    
-    @Override
-    public Optional<OutputSegment> getOutputSegment() {
-        return Optional.ofNullable(outputSegment);
-    }
-    
-    @Override
-    public Optional<ExecSegment> getExecSegment() {
-        return Optional.ofNullable(execSegment);
-    }
-    
-    @Override
-    public Optional<WithTableHintSegment> getWithTableHintSegment() {
-        return Optional.ofNullable(withTableHintSegment);
-    }
-    
-    @Override
-    public Optional<FunctionSegment> getRowSetFunctionSegment() {
-        return Optional.ofNullable(rowSetFunctionSegment);
-    }
-}
diff --git 
a/parser/sql/statement/type/sqlserver/src/main/java/org/apache/shardingsphere/sql/parser/statement/sqlserver/dml/SQLServerMergeStatement.java
 
b/parser/sql/statement/type/sqlserver/src/main/java/org/apache/shardingsphere/sql/parser/statement/sqlserver/dml/SQLServerMergeStatement.java
deleted file mode 100644
index fd516a3162d..00000000000
--- 
a/parser/sql/statement/type/sqlserver/src/main/java/org/apache/shardingsphere/sql/parser/statement/sqlserver/dml/SQLServerMergeStatement.java
+++ /dev/null
@@ -1,77 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.apache.shardingsphere.sql.parser.statement.sqlserver.dml;
-
-import lombok.Getter;
-import lombok.Setter;
-import 
org.apache.shardingsphere.sql.parser.statement.core.segment.ddl.index.IndexSegment;
-import 
org.apache.shardingsphere.sql.parser.statement.core.segment.generic.OutputSegment;
-import 
org.apache.shardingsphere.sql.parser.statement.core.segment.generic.WithSegment;
-import 
org.apache.shardingsphere.sql.parser.statement.core.statement.dml.MergeStatement;
-import 
org.apache.shardingsphere.sql.parser.statement.core.segment.dml.hint.OptionHintSegment;
-import 
org.apache.shardingsphere.sql.parser.statement.core.segment.dml.hint.WithTableHintSegment;
-import 
org.apache.shardingsphere.sql.parser.statement.core.segment.dml.merge.MergeWhenAndThenSegment;
-import 
org.apache.shardingsphere.sql.parser.statement.sqlserver.SQLServerStatement;
-
-import java.util.Collection;
-import java.util.LinkedList;
-import java.util.Optional;
-
-/**
- * SQLServer merge statement.
- */
-@Setter
-@Getter
-public final class SQLServerMergeStatement extends MergeStatement implements 
SQLServerStatement {
-    
-    private WithSegment withSegment;
-    
-    private WithTableHintSegment withTableHintSegment;
-    
-    private Collection<IndexSegment> indexes = new LinkedList<>();
-    
-    private OutputSegment outputSegment;
-    
-    private OptionHintSegment optionHintSegment;
-    
-    private Collection<MergeWhenAndThenSegment> whenAndThenSegments = new 
LinkedList<>();
-    
-    @Override
-    public Optional<WithSegment> getWithSegment() {
-        return Optional.ofNullable(withSegment);
-    }
-    
-    @Override
-    public Optional<WithTableHintSegment> getWithTableHintSegment() {
-        return Optional.ofNullable(withTableHintSegment);
-    }
-    
-    @Override
-    public Optional<OutputSegment> getOutputSegment() {
-        return Optional.ofNullable(outputSegment);
-    }
-    
-    /**
-     * Get option hint segment.
-     *
-     * @return option hint segment.
-     */
-    public Optional<OptionHintSegment> getOptionHintSegment() {
-        return Optional.ofNullable(optionHintSegment);
-    }
-}
diff --git 
a/parser/sql/statement/type/sqlserver/src/main/java/org/apache/shardingsphere/sql/parser/statement/sqlserver/dml/SQLServerSelectStatement.java
 
b/parser/sql/statement/type/sqlserver/src/main/java/org/apache/shardingsphere/sql/parser/statement/sqlserver/dml/SQLServerSelectStatement.java
deleted file mode 100644
index 5b2a25fedad..00000000000
--- 
a/parser/sql/statement/type/sqlserver/src/main/java/org/apache/shardingsphere/sql/parser/statement/sqlserver/dml/SQLServerSelectStatement.java
+++ /dev/null
@@ -1,59 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.apache.shardingsphere.sql.parser.statement.sqlserver.dml;
-
-import lombok.Setter;
-import 
org.apache.shardingsphere.sql.parser.statement.core.segment.dml.hint.WithTableHintSegment;
-import 
org.apache.shardingsphere.sql.parser.statement.core.segment.dml.pagination.limit.LimitSegment;
-import 
org.apache.shardingsphere.sql.parser.statement.core.segment.generic.table.TableSegment;
-import 
org.apache.shardingsphere.sql.parser.statement.core.statement.dml.SelectStatement;
-import 
org.apache.shardingsphere.sql.parser.statement.sqlserver.SQLServerStatement;
-
-import java.util.Optional;
-
-/**
- * SQLServer select statement.
- */
-@Setter
-public final class SQLServerSelectStatement extends SelectStatement implements 
SQLServerStatement {
-    
-    private LimitSegment limit;
-    
-    private TableSegment intoSegment;
-    
-    private WithTableHintSegment withTableHintSegment;
-    
-    @Override
-    public Optional<LimitSegment> getLimit() {
-        return Optional.ofNullable(limit);
-    }
-    
-    @Override
-    public Optional<TableSegment> getIntoSegment() {
-        return Optional.ofNullable(intoSegment);
-    }
-    
-    /**
-     * Get with table hint segment.
-     *
-     * @return with table hint segment.
-     */
-    public Optional<WithTableHintSegment> getWithTableHintSegment() {
-        return Optional.ofNullable(withTableHintSegment);
-    }
-}
diff --git 
a/parser/sql/statement/type/sqlserver/src/main/java/org/apache/shardingsphere/sql/parser/statement/sqlserver/dml/SQLServerUpdateStatement.java
 
b/parser/sql/statement/type/sqlserver/src/main/java/org/apache/shardingsphere/sql/parser/statement/sqlserver/dml/SQLServerUpdateStatement.java
deleted file mode 100644
index 3fed743b07c..00000000000
--- 
a/parser/sql/statement/type/sqlserver/src/main/java/org/apache/shardingsphere/sql/parser/statement/sqlserver/dml/SQLServerUpdateStatement.java
+++ /dev/null
@@ -1,75 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.apache.shardingsphere.sql.parser.statement.sqlserver.dml;
-
-import lombok.Setter;
-import 
org.apache.shardingsphere.sql.parser.statement.core.segment.dml.hint.OptionHintSegment;
-import 
org.apache.shardingsphere.sql.parser.statement.core.segment.dml.hint.WithTableHintSegment;
-import 
org.apache.shardingsphere.sql.parser.statement.core.segment.generic.OutputSegment;
-import 
org.apache.shardingsphere.sql.parser.statement.core.segment.generic.WithSegment;
-import 
org.apache.shardingsphere.sql.parser.statement.core.segment.generic.table.TableSegment;
-import 
org.apache.shardingsphere.sql.parser.statement.core.statement.dml.UpdateStatement;
-import 
org.apache.shardingsphere.sql.parser.statement.sqlserver.SQLServerStatement;
-
-import java.util.Optional;
-
-/**
- * SQLServer update statement.
- */
-@Setter
-public final class SQLServerUpdateStatement extends UpdateStatement implements 
SQLServerStatement {
-    
-    private WithSegment withSegment;
-    
-    private WithTableHintSegment withTableHintSegment;
-    
-    private OptionHintSegment optionHintSegment;
-    
-    private OutputSegment outputSegment;
-    
-    private TableSegment from;
-    
-    @Override
-    public Optional<WithSegment> getWithSegment() {
-        return Optional.ofNullable(withSegment);
-    }
-    
-    /**
-     * Get with table hint segment.
-     *
-     * @return with table hint segment.
-     */
-    public Optional<WithTableHintSegment> getWithTableHintSegment() {
-        return Optional.ofNullable(withTableHintSegment);
-    }
-    
-    @Override
-    public Optional<OptionHintSegment> getOptionHintSegment() {
-        return Optional.ofNullable(optionHintSegment);
-    }
-    
-    @Override
-    public Optional<OutputSegment> getOutputSegment() {
-        return Optional.ofNullable(outputSegment);
-    }
-    
-    @Override
-    public Optional<TableSegment> getFrom() {
-        return Optional.ofNullable(from);
-    }
-}