Merge pull request #954 from zhujunxxxxx/master

增加mysql对procedure语法的识别

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

@@ -0,0 +1,86 @@
+/*
+ * 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;
+
+public class MySqlCreateProcedureTest extends MysqlTest {
+
+    public void test_0() throws Exception {
+    	String sql="create or replace procedure sp_name(level int,age int)"+
+				" begin"+
+				" declare x,y,z int;"+
+				" select id into x,y,z from test;"+
+				" insert into test values(id,age);"+
+				" while x do"+
+				" insert into test values(id,age);"+
+				" end while"+
+				" if x then"+
+				" insert into test values(id,age);"+
+				" insert into test values(id,age);"+
+				" else if y then"+
+				" insert into test values(id,age);"+
+				" while x do"+
+				" insert into test values(id,age);"+
+				" end while"+
+				" else"+
+				" insert into test values(id,age);"+
+				" end if"+
+				" case x"+
+				" when x>10 then"+
+				" insert into test values(id,age);"+
+				" insert into test values(id,age);"+
+				" when x>20 then"+
+				" insert into test values(id,age);"+
+				" insert into test values(id,age);"+
+				" else"+
+				" insert into test values(id,age);"+
+				" end case"+
+				" 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(2, visitor.getColumns().size());
+        Assert.assertEquals(0, visitor.getConditions().size());
+
+        Assert.assertTrue(visitor.getTables().containsKey(new TableStat.Name("test")));
+        
+        Assert.assertTrue(visitor.getColumns().contains(new Column("test", "id")));
+        Assert.assertTrue(visitor.getColumns().contains(new Column("test", "age")));
+    }
+}