Merge pull request #1179 from zhujunxxxxx/master

增加MySQL存储过程语法中定义异常语法的识别(区别于上次提交，上次是异常处理，这次是异常定义)

src/test/java/com/alibaba/druid/bvt/sql/mysql/MySqlCreateProcedureTest9.java

@@ -0,0 +1,128 @@
+/*
+ * Copyright 1999-2101 Alibaba Group Holding Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.alibaba.druid.bvt.sql.mysql;
+
+import java.util.List;
+
+import org.junit.Assert;
+
+import com.alibaba.druid.sql.MysqlTest;
+import com.alibaba.druid.sql.ast.SQLStatement;
+import com.alibaba.druid.sql.dialect.mysql.parser.MySqlStatementParser;
+import com.alibaba.druid.sql.dialect.mysql.visitor.MySqlSchemaStatVisitor;
+import com.alibaba.druid.stat.TableStat;
+import com.alibaba.druid.stat.TableStat.Column;
+
+/**
+ * 
+ * @Description: 测试异常声明
+ * @author zhujun [455910092@qq.com]
+ * @date 2016-4-17
+ * @version V1.0
+ */
+public class MySqlCreateProcedureTest9 extends MysqlTest {
+
+    public void test_0() throws Exception {
+    	String sql = "create or replace procedure sp_name(level int,age int)"+
+				" begin"+
+				" declare test1 CONDITION FOR SQLSTATE '02000';"+
+				" end";
+    	
+    	MySqlStatementParser parser=new MySqlStatementParser(sql);
+    	List<SQLStatement> statementList = parser.parseStatementList();
+    	SQLStatement statemen = statementList.get(0);
+    	print(statementList);
+        Assert.assertEquals(1, statementList.size());
+
+        MySqlSchemaStatVisitor visitor = new MySqlSchemaStatVisitor();
+        statemen.accept(visitor);
+
+        System.out.println("Tables : " + visitor.getTables());
+        System.out.println("fields : " + visitor.getColumns());
+        System.out.println("coditions : " + visitor.getConditions());
+        System.out.println("orderBy : " + visitor.getOrderByColumns());
+        
+        Assert.assertEquals(0, visitor.getTables().size());
+        Assert.assertEquals(0, visitor.getColumns().size());
+        Assert.assertEquals(0, visitor.getConditions().size());
+    }
+    
+    public void test_2() throws Exception {
+    	String sql = "create or replace procedure sp_name(level int,age int)"+
+				" begin"+
+				" declare condition_name CONDITION FOR 1002;"+
+				" end";
+    	
+    	MySqlStatementParser parser=new MySqlStatementParser(sql);
+    	List<SQLStatement> statementList = parser.parseStatementList();
+    	SQLStatement statemen = statementList.get(0);
+    	print(statementList);
+        Assert.assertEquals(1, statementList.size());
+
+        MySqlSchemaStatVisitor visitor = new MySqlSchemaStatVisitor();
+        statemen.accept(visitor);
+
+        System.out.println("Tables : " + visitor.getTables());
+        System.out.println("fields : " + visitor.getColumns());
+        System.out.println("coditions : " + visitor.getConditions());
+        System.out.println("orderBy : " + visitor.getOrderByColumns());
+        
+        Assert.assertEquals(0, visitor.getTables().size());
+        Assert.assertEquals(0, visitor.getColumns().size());
+        Assert.assertEquals(0, visitor.getConditions().size());
+    }
+    
+    public void test_3() throws Exception {
+    	String sql="create or replace procedure test_cursor (in param int(10),out result varchar(90))  "
+    			+" begin" 
+    			+" declare name varchar(20);"  
+    			+" declare pass varchar(20);"  
+    			+" declare done int;"  
+    			+" declare cur_test CURSOR for select user_name,user_pass from test;" 
+    			+" declare condition_name CONDITION FOR 1002;"
+    			+" declare continue handler FOR condition_name SET done = 1;"  
+    			+" if param then"  
+    			+" 		select concat_ws(',',user_name,user_pass) into result from test.users where id=param;"  
+    			+" else"  
+    			+" 		open cur_test;"  
+    			+" 		repeat"  
+    			+" 		fetch cur_test into name, pass;"  
+    			+" 		select concat_ws(',',result,name,pass) into result;"  
+    			+" 		until done end repeat;"  
+    			+" 		close cur_test;"  
+    			+" end if;"  
+    			+" end;";
+	
+    	MySqlStatementParser parser=new MySqlStatementParser(sql);
+    	List<SQLStatement> statementList = parser.parseStatementList();
+    	SQLStatement statemen = statementList.get(0);
+    	print(statementList);
+        Assert.assertEquals(1, statementList.size());
+
+        MySqlSchemaStatVisitor visitor = new MySqlSchemaStatVisitor();
+        statemen.accept(visitor);
+
+        System.out.println("Tables : " + visitor.getTables());
+        System.out.println("fields : " + visitor.getColumns());
+        System.out.println("coditions : " + visitor.getConditions());
+        System.out.println("orderBy : " + visitor.getOrderByColumns());
+        
+        Assert.assertEquals(1, visitor.getTables().size());
+        Assert.assertEquals(3, visitor.getColumns().size());
+        Assert.assertEquals(0, visitor.getConditions().size());
+    }
+    
+}