improved sql parser.

src/main/java/com/alibaba/druid/sql/dialect/sqlserver/ast/stmt/SQLServerInsertStatement.java

@@ -27,33 +27,12 @@ import com.alibaba.druid.sql.visitor.SQLASTVisitor;
 
 public class SQLServerInsertStatement extends SQLInsertStatement implements SQLServerObject {
 
-    private List<ValuesClause> valuesList = new ArrayList<ValuesClause>();
-
     private boolean            defaultValues;
 
     private SQLServerTop       top;
 
     private SQLServerOutput    output;
 
-    public ValuesClause getValues() {
-        if (valuesList.size() == 0) {
-            return null;
-        }
-        return valuesList.get(0);
-    }
-
-    public void setValues(ValuesClause values) {
-        if (valuesList.size() == 0) {
-            valuesList.add(values);
-        } else {
-            valuesList.set(0, values);
-        }
-    }
-
-    public List<ValuesClause> getValuesList() {
-        return valuesList;
-    }
-
     @Override
     protected void accept0(SQLASTVisitor visitor) {
         this.accept0((SQLServerASTVisitor) visitor);

src/main/java/com/alibaba/druid/sql/dialect/sqlserver/parser/SQLServerStatementParser.java

@@ -283,7 +283,7 @@ public class SQLServerStatementParser extends SQLStatementParser {
                 accept(Token.LPAREN);
                 SQLInsertStatement.ValuesClause values = new SQLInsertStatement.ValuesClause();
                 this.exprParser.exprList(values.getValues(), values);
-                insertStatement.getValuesList().add(values);
+                insertStatement.addValueCause(values);
                 accept(Token.RPAREN);
 
                 if (!parseCompleteValues && insertStatement.getValuesList().size() >= parseValuesSize) {