From a31afb10c402a996e2eee28ef4408d66932dd962 Mon Sep 17 00:00:00 2001
From: wenshao <szujobs@hotmail.com>
Date: Wed, 12 Jul 2017 00:40:38 +0800
Subject: [PATCH] bug fixed for issue #1759 #1807

---
 .../druid/wall/spi/WallVisitorUtils.java      |  4 +++-
 .../com/alibaba/druid/bvt/bug/Issue1759.java  | 24 +++++++++++++++++++
 2 files changed, 27 insertions(+), 1 deletion(-)
 create mode 100644 src/test/java/com/alibaba/druid/bvt/bug/Issue1759.java

diff --git a/src/main/java/com/alibaba/druid/wall/spi/WallVisitorUtils.java b/src/main/java/com/alibaba/druid/wall/spi/WallVisitorUtils.java
index 548601fd4b..81a6a64276 100644
--- a/src/main/java/com/alibaba/druid/wall/spi/WallVisitorUtils.java
+++ b/src/main/java/com/alibaba/druid/wall/spi/WallVisitorUtils.java
@@ -2396,7 +2396,9 @@ public class WallVisitorUtils {
         boolean allow = false;
         int errorCode;
         String denyMessage;
-        if (x instanceof SQLInsertStatement) {
+        if (x instanceof SQLCommentStatement) {
+            return;
+        } else if (x instanceof SQLInsertStatement) {
             allow = config.isInsertAllow();
             denyMessage = "insert not allow";
             errorCode = ErrorCode.INSERT_NOT_ALLOW;
diff --git a/src/test/java/com/alibaba/druid/bvt/bug/Issue1759.java b/src/test/java/com/alibaba/druid/bvt/bug/Issue1759.java
new file mode 100644
index 0000000000..50c3f53f03
--- /dev/null
+++ b/src/test/java/com/alibaba/druid/bvt/bug/Issue1759.java
@@ -0,0 +1,24 @@
+package com.alibaba.druid.bvt.bug;
+
+import com.alibaba.druid.sql.ast.SQLStatement;
+import com.alibaba.druid.sql.dialect.oracle.parser.OracleStatementParser;
+import com.alibaba.druid.wall.WallCheckResult;
+import com.alibaba.druid.wall.spi.OracleWallProvider;
+import junit.framework.TestCase;
+
+/**
+ * Created by wenshao on 12/07/2017.
+ */
+public class Issue1759 extends TestCase {
+    public void test_0() throws Exception {
+        String sql = "COMMENT ON COLUMN \"TB_CRM_MATERIAL\".\"INVALID_TIME\" IS '生效时间'";
+
+        OracleStatementParser parser = new OracleStatementParser(sql);
+        SQLStatement statement = parser.parseStatement();// 分号之后多语句忽略
+        OracleWallProvider provider = new OracleWallProvider();
+
+        WallCheckResult result1 = provider.check(sql);
+
+        assertTrue(result1.getViolations().size() == 0);
+    }
+}