refactor

src/main/java/com/alibaba/druid/filter/stat/StatFilter.java

@@ -470,7 +470,7 @@ public class StatFilter extends FilterEventAdapter implements StatFilterMBean {
 
         String sql = resultSet.getSql();
         if (sql != null) {
-            JdbcSqlStat sqlStat = getSqlCounter(sql);
+            JdbcSqlStat sqlStat = getSqlStat(sql);
             if (sqlStat != null) {
                 sqlStat.addFetchRowCount(fetchCount);
             }
@@ -657,7 +657,12 @@ public class StatFilter extends FilterEventAdapter implements StatFilterMBean {
         return (JdbcSqlStat) statement.getAttributes().get(ATTR_SQL);
     }
 
+    @Deprecated
     public JdbcSqlStat getSqlCounter(String sql) {
+        return getSqlStat(sql);
+    }
+    
+    public JdbcSqlStat getSqlStat(String sql) {
         return dataSourceStat.getSqlStatMap().get(sql);
     }
 

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

@@ -26,7 +26,7 @@ import com.alibaba.druid.sql.visitor.SQLASTVisitor;
 public class SQLCreateTableStatement extends SQLStatementImpl {
 
     protected Type                  type;
-    protected SQLName               name;
+    protected SQLExprTableSource    tableSource;
 
     protected List<SQLTableElement> tableElementList = new ArrayList<SQLTableElement>();
 
@@ -35,11 +35,23 @@ public class SQLCreateTableStatement extends SQLStatementImpl {
     }
 
     public SQLName getName() {
-        return name;
+        if (tableSource == null) {
+            return null;
+        }
+
+        return (SQLName) tableSource.getExpr();
     }
 
     public void setName(SQLName name) {
-        this.name = name;
+        this.setTableSource(new SQLExprTableSource(name));
+    }
+
+    public SQLExprTableSource getTableSource() {
+        return tableSource;
+    }
+
+    public void setTableSource(SQLExprTableSource tableSource) {
+        this.tableSource = tableSource;
     }
 
     public Type getType() {
@@ -67,7 +79,7 @@ public class SQLCreateTableStatement extends SQLStatementImpl {
             buf.append("LOCAL TEMPORARY ");
         }
 
-        this.name.output(buf);
+        this.tableSource.output(buf);
         buf.append(" ");
 
         buf.append("(");
@@ -83,7 +95,7 @@ public class SQLCreateTableStatement extends SQLStatementImpl {
     @Override
     protected void accept0(SQLASTVisitor visitor) {
         if (visitor.visit(this)) {
-            this.acceptChild(visitor, name);
+            this.acceptChild(visitor, tableSource);
             this.acceptChild(visitor, tableElementList);
         }
         visitor.endVisit(this);

src/main/java/com/alibaba/druid/sql/dialect/hive/ast/stmt/HiveCreateTableStatement.java

@@ -29,7 +29,7 @@ public class HiveCreateTableStatement extends SQLCreateTableStatement implements
     @Override
     public void accept0(HiveASTVisitor visitor) {
         if (visitor.visit(this)) {
-            this.acceptChild(visitor, name);
+            this.acceptChild(visitor, tableSource);
             this.acceptChild(visitor, tableElementList);
             this.acceptChild(visitor, partitionedBy);
         }

src/main/java/com/alibaba/druid/sql/dialect/mysql/ast/statement/MySqlCreateTableStatement.java

@@ -69,7 +69,7 @@ public class MySqlCreateTableStatement extends SQLCreateTableStatement {
             buf.append("IF NOT EXISTS ");
         }
 
-        this.name.output(buf);
+        this.tableSource.output(buf);
         buf.append(" ");
         buf.append("(");
         for (int i = 0, size = tableElementList.size(); i < size; ++i) {

src/main/java/com/alibaba/druid/sql/dialect/oracle/ast/stmt/OracleCreateTableStatement.java

@@ -184,7 +184,7 @@ public class OracleCreateTableStatement extends SQLCreateTableStatement implemen
 
     public void accept0(OracleASTVisitor visitor) {
         if (visitor.visit(this)) {
-            this.acceptChild(visitor, name);
+            this.acceptChild(visitor, tableSource);
             this.acceptChild(visitor, tableElementList);
             this.acceptChild(visitor, tablespace);
             this.acceptChild(visitor, select);