improved sql parser support mysql create procedure.

src/main/java/com/alibaba/druid/sql/dialect/mysql/parser/MySqlStatementParser.java

@@ -3195,17 +3195,19 @@ public class MySqlStatementParser extends SQLStatementParser {
          */
         SQLCreateProcedureStatement stmt = new SQLCreateProcedureStatement();
 
-        if (identifierEquals("DEFINER")) {
-            lexer.nextToken();
-            accept(Token.EQ);
-            SQLName definer = this.exprParser.name();
-            stmt.setDefiner(definer);
-        } else {
-            accept(Token.CREATE);
-            if (lexer.token() == Token.OR) {
+        if (lexer.token() != Token.PROCEDURE) {
+            if (identifierEquals("DEFINER")) {
                 lexer.nextToken();
-                accept(Token.REPLACE);
-                stmt.setOrReplace(true);
+                accept(Token.EQ);
+                SQLName definer = this.exprParser.name();
+                stmt.setDefiner(definer);
+            } else {
+                accept(Token.CREATE);
+                if (lexer.token() == Token.OR) {
+                    lexer.nextToken();
+                    accept(Token.REPLACE);
+                    stmt.setOrReplace(true);
+                }
             }
         }
 
@@ -3218,7 +3220,13 @@ public class MySqlStatementParser extends SQLStatementParser {
             parserParameters(stmt.getParameters());
             accept(Token.RPAREN);// match ")"
         }
-        SQLBlockStatement block = this.parseBlock();
+        SQLStatement block;
+
+        if (lexer.token() == Token.BEGIN) {
+            block = this.parseBlock();
+        } else {
+            block = this.parseStatement();
+        }
 
         stmt.setBlock(block);
 

src/test/java/com/alibaba/druid/bvt/sql/mysql/create/MySqlCreateProcedureTest10.java

@@ -0,0 +1,50 @@
+/*
+ * Copyright 1999-2017 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.create;
+
+import com.alibaba.druid.sql.MysqlTest;
+import com.alibaba.druid.sql.SQLUtils;
+import com.alibaba.druid.sql.ast.SQLStatement;
+import com.alibaba.druid.sql.visitor.SchemaStatVisitor;
+import com.alibaba.druid.util.JdbcConstants;
+
+import java.util.List;
+
+public class MySqlCreateProcedureTest10 extends MysqlTest {
+
+    public void test_0() throws Exception {
+    	String sql = "CREATE PROCEDURE p2(p INT) SET @x = p ;";
+
+    	List<SQLStatement> statementList = SQLUtils.parseStatements(sql, JdbcConstants.MYSQL);
+    	SQLStatement statemen = statementList.get(0);
+//    	print(statementList);
+        assertEquals(1, statementList.size());
+
+        SchemaStatVisitor visitor = SQLUtils.createSchemaStatVisitor(JdbcConstants.MYSQL);
+        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());
+        
+        assertEquals(0, visitor.getTables().size());
+        assertEquals(0, visitor.getColumns().size());
+        assertEquals(0, visitor.getConditions().size());
+    }
+
+    
+}