sql paser refactor SQLColumnDefinition

src/main/java/com/alibaba/druid/sql/ast/statement/SQLColumnDefinition.java

@@ -15,29 +15,52 @@
  */
 package com.alibaba.druid.sql.ast.statement;
 
+import java.util.ArrayList;
+import java.util.List;
+
 import com.alibaba.druid.sql.ast.SQLDataType;
 import com.alibaba.druid.sql.ast.SQLExpr;
 import com.alibaba.druid.sql.ast.SQLName;
 import com.alibaba.druid.sql.ast.SQLObjectImpl;
 import com.alibaba.druid.sql.visitor.SQLASTVisitor;
 
-import java.util.ArrayList;
-import java.util.List;
-
 public class SQLColumnDefinition extends SQLObjectImpl implements SQLTableElement {
 
     protected SQLName                         name;
     protected SQLDataType                     dataType;
     protected SQLExpr                         defaultExpr;
-    protected final List<SQLColumnConstraint> constraints = new ArrayList<SQLColumnConstraint>(0);
-    protected SQLExpr                          comment;
+    protected final List<SQLColumnConstraint> constraints   = new ArrayList<SQLColumnConstraint>(0);
+    protected SQLExpr                         comment;
 
     protected Boolean                         enable;
 
+    // for mysql
+    protected boolean                         autoIncrement = false;
+    protected SQLExpr                         onUpdate;
+    protected SQLExpr                         storage;
+    protected SQLExpr                         charsetExpr;
+    protected SQLExpr                         asExpr;
+    protected boolean                         sorted        = false;
+    protected boolean                         virtual       = false;
+
+    protected Identity                        identity;
+
     public SQLColumnDefinition(){
 
     }
 
+    public Identity getIdentity() {
+        return identity;
+    }
+
+    // for sqlserver
+    public void setIdentity(Identity identity) {
+        if (identity != null) {
+            identity.setParent(this);
+        }
+        this.identity = identity;
+    }
+
     public Boolean getEnable() {
         return enable;
     }
@@ -107,4 +130,108 @@ public class SQLColumnDefinition extends SQLObjectImpl implements SQLTableElemen
         this.comment = comment;
     }
 
+    public boolean isVirtual() {
+        return virtual;
+    }
+
+    public void setVirtual(boolean virtual) {
+        this.virtual = virtual;
+    }
+
+    public boolean isSorted() {
+        return sorted;
+    }
+
+    public void setSorted(boolean sorted) {
+        this.sorted = sorted;
+    }
+
+    public SQLExpr getCharsetExpr() {
+        return charsetExpr;
+    }
+
+    public void setCharsetExpr(SQLExpr charsetExpr) {
+        if (charsetExpr != null) {
+            charsetExpr.setParent(this);
+        }
+        this.charsetExpr = charsetExpr;
+    }
+
+    public SQLExpr getAsExpr() {
+        return asExpr;
+    }
+
+    public void setAsExpr(SQLExpr asExpr) {
+        if (charsetExpr != null) {
+            charsetExpr.setParent(this);
+        }
+        this.asExpr = asExpr;
+    }
+
+    public boolean isAutoIncrement() {
+        return autoIncrement;
+    }
+
+    public void setAutoIncrement(boolean autoIncrement) {
+        this.autoIncrement = autoIncrement;
+    }
+
+    public SQLExpr getOnUpdate() {
+        return onUpdate;
+    }
+
+    public void setOnUpdate(SQLExpr onUpdate) {
+        this.onUpdate = onUpdate;
+    }
+
+    public SQLExpr getStorage() {
+        return storage;
+    }
+
+    public void setStorage(SQLExpr storage) {
+        this.storage = storage;
+    }
+
+    public static class Identity extends SQLObjectImpl {
+
+        private Integer seed;
+        private Integer increment;
+
+        private boolean notForReplication;
+
+        public Identity(){
+
+        }
+
+        public Integer getSeed() {
+            return seed;
+        }
+
+        public void setSeed(Integer seed) {
+            this.seed = seed;
+        }
+
+        public Integer getIncrement() {
+            return increment;
+        }
+
+        public void setIncrement(Integer increment) {
+            this.increment = increment;
+        }
+
+        public boolean isNotForReplication() {
+            return notForReplication;
+        }
+
+        public void setNotForReplication(boolean notForReplication) {
+            this.notForReplication = notForReplication;
+        }
+
+        @Override
+        public void accept0(SQLASTVisitor visitor) {
+            visitor.visit(this);
+            visitor.endVisit(this);
+        }
+
+    }
 }