sql parser support create database

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

@@ -0,0 +1,51 @@
+package com.alibaba.druid.sql.ast.statement;
+
+import com.alibaba.druid.sql.ast.SQLName;
+import com.alibaba.druid.sql.ast.SQLStatementImpl;
+import com.alibaba.druid.sql.visitor.SQLASTVisitor;
+
+public class SQLCreateDatabaseStatement extends SQLStatementImpl {
+
+    private static final long serialVersionUID = 1L;
+
+    private SQLName           name;
+
+    private String            characterSet;
+    private String            collate;
+
+    public SQLCreateDatabaseStatement(){
+    }
+    
+    @Override
+    protected void accept0(SQLASTVisitor visitor) {
+        if (visitor.visit(this)) {
+            acceptChild(visitor, name);
+        }
+        visitor.endVisit(this);
+    }
+
+    public SQLName getName() {
+        return name;
+    }
+
+    public void setName(SQLName name) {
+        this.name = name;
+    }
+
+    public String getCharacterSet() {
+        return characterSet;
+    }
+
+    public void setCharacterSet(String characterSet) {
+        this.characterSet = characterSet;
+    }
+
+    public String getCollate() {
+        return collate;
+    }
+
+    public void setCollate(String collate) {
+        this.collate = collate;
+    }
+
+}