code format

src/main/java/com/alibaba/druid/sql/ast/expr/SQLAllColumnExpr.java

@@ -21,7 +21,7 @@ import com.alibaba.druid.sql.visitor.SQLASTVisitor;
 public class SQLAllColumnExpr extends SQLExprImpl {
 
     private static final long serialVersionUID = 1L;
-    
+
     public SQLAllColumnExpr(){
 
     }
@@ -34,11 +34,11 @@ public class SQLAllColumnExpr extends SQLExprImpl {
         visitor.visit(this);
         visitor.endVisit(this);
     }
-    
+
     public int hashCode() {
         return 0;
     }
-    
+
     public boolean equals(Object o) {
         return o instanceof SQLAllColumnExpr;
     }

src/main/java/com/alibaba/druid/sql/ast/expr/SQLAllExpr.java

@@ -83,5 +83,5 @@ public class SQLAllExpr extends SQLExprImpl {
         }
         return true;
     }
-    
+
 }

src/main/java/com/alibaba/druid/sql/ast/expr/SQLBinaryOpExpr.java

@@ -128,6 +128,5 @@ public class SQLBinaryOpExpr extends SQLExprImpl implements Serializable {
         }
         return true;
     }
-    
-    
+
 }

src/main/java/com/alibaba/druid/sql/ast/expr/SQLCaseExpr.java

@@ -180,6 +180,5 @@ public class SQLCaseExpr extends SQLExprImpl implements Serializable {
         }
         return true;
     }
-    
-    
+
 }

src/main/java/com/alibaba/druid/sql/ast/expr/SQLCastExpr.java

@@ -100,5 +100,5 @@ public class SQLCastExpr extends SQLExprImpl {
         }
         return true;
     }
-    
+
 }

src/main/java/com/alibaba/druid/sql/ast/expr/SQLIdentifierExpr.java

@@ -81,6 +81,5 @@ public class SQLIdentifierExpr extends SQLExprImpl implements SQLName {
         }
         return true;
     }
-    
-    
+
 }

src/main/java/com/alibaba/druid/sql/ast/expr/SQLListExpr.java

@@ -54,5 +54,5 @@ public class SQLListExpr extends SQLExprImpl {
         }
         return true;
     }
-    
+
 }

src/main/java/com/alibaba/druid/sql/ast/expr/SQLNullExpr.java

@@ -34,11 +34,11 @@ public class SQLNullExpr extends SQLLiteralExpr {
 
         visitor.endVisit(this);
     }
-    
+
     public int hashCode() {
         return 0;
     }
-    
+
     public boolean equals(Object o) {
         return o instanceof SQLNullExpr;
     }

src/main/java/com/alibaba/druid/sql/ast/expr/SQLPropertyExpr.java

@@ -104,6 +104,5 @@ public class SQLPropertyExpr extends SQLExprImpl implements SQLName {
         }
         return true;
     }
-    
-    
+
 }

src/main/java/com/alibaba/druid/sql/ast/expr/SQLVariantRefExpr.java

@@ -81,6 +81,5 @@ public class SQLVariantRefExpr extends SQLExprImpl {
         }
         return true;
     }
-    
-    
+
 }