From 9bee75de11460a6b2f130d96544ca49d04035fd8 Mon Sep 17 00:00:00 2001
From: sunzhengfang <sunzhengfang@actionsky.com>
Date: Thu, 30 Nov 2017 16:03:35 +0800
Subject: [PATCH] #346 Suggested:when view set `ALGORITHM` ,dble can return
 unsupported prompts

---
 src/main/java/com/actiontech/dble/meta/ViewMeta.java  |  4 ++++
 .../java/com/actiontech/dble/meta/ViewMetaParser.java |  2 ++
 .../actiontech/dble/parser/ViewMetaParserTest.java    | 11 +++++++++++
 3 files changed, 17 insertions(+)

diff --git a/src/main/java/com/actiontech/dble/meta/ViewMeta.java b/src/main/java/com/actiontech/dble/meta/ViewMeta.java
index 578264506..eda54cdb9 100644
--- a/src/main/java/com/actiontech/dble/meta/ViewMeta.java
+++ b/src/main/java/com/actiontech/dble/meta/ViewMeta.java
@@ -71,6 +71,10 @@ public class ViewMeta {
         viewParser.parseCreateView(this);
 
         try {
+            if ("".equals(viewName)) {
+                throw new Exception("sql not supported ");
+            }
+
             DbleServer.getInstance().getTmManager().addMetaLock(schema, viewName);
 
             //check if the select part has
diff --git a/src/main/java/com/actiontech/dble/meta/ViewMetaParser.java b/src/main/java/com/actiontech/dble/meta/ViewMetaParser.java
index 5a92a2456..b97e92b70 100644
--- a/src/main/java/com/actiontech/dble/meta/ViewMetaParser.java
+++ b/src/main/java/com/actiontech/dble/meta/ViewMetaParser.java
@@ -91,6 +91,8 @@ public class ViewMetaParser {
                             return originalSql.substring(viewNameStat, offset);
                         }
                     }
+                } else {
+                    return "";
                 }
             }
         }
diff --git a/src/test/java/com/actiontech/dble/parser/ViewMetaParserTest.java b/src/test/java/com/actiontech/dble/parser/ViewMetaParserTest.java
index bebe9a336..c87d016cc 100644
--- a/src/test/java/com/actiontech/dble/parser/ViewMetaParserTest.java
+++ b/src/test/java/com/actiontech/dble/parser/ViewMetaParserTest.java
@@ -38,6 +38,17 @@ public class ViewMetaParserTest {
     }
 
 
+    @Test
+    public void getViewNodeSupportTest() {
+        ViewMetaParser x = new ViewMetaParser("create      or replace  ALGORITHM = MERGE        view        x_xx__xx(id,name)as select * from suntest");
+        Assert.assertEquals("", x.getViewName());
+        x = new ViewMetaParser("create      or replace  DEFINER  = CURRENT_USER         view        x_xx__xx(id,name)as select * from suntest");
+        Assert.assertEquals("", x.getViewName());
+        x = new ViewMetaParser("create      or replace  SQL SECURITY DEFINER       view        x_xx__xx(id,name)as select * from suntest");
+        Assert.assertEquals("", x.getViewName());
+
+    }
+
     @Test
     public void parseTotalTest() {
         ViewMetaParser x = new ViewMetaParser("       create      or        replace         view        x_xx__xx(id,name)as select * from suntest");