From a005d448e530e568fe808b0ceb32a78cb417ec16 Mon Sep 17 00:00:00 2001
From: Yako <yako@YakotekiMacBook-Pro.local>
Date: Wed, 22 Jul 2015 17:32:24 +0800
Subject: [PATCH] bugfix for \n

---
 .../com/alibaba/druid/sql/parser/Lexer.java   | 14 ++++---
 .../alibaba/druid/bvt/bug/Bug_for_qianbi.java | 39 +++++++++++++++++++
 2 files changed, 48 insertions(+), 5 deletions(-)
 create mode 100644 src/test/java/com/alibaba/druid/bvt/bug/Bug_for_qianbi.java

diff --git a/src/main/java/com/alibaba/druid/sql/parser/Lexer.java b/src/main/java/com/alibaba/druid/sql/parser/Lexer.java
index 0e88f25bbc..488742fec5 100644
--- a/src/main/java/com/alibaba/druid/sql/parser/Lexer.java
+++ b/src/main/java/com/alibaba/druid/sql/parser/Lexer.java
@@ -674,17 +674,21 @@ public class Lexer {
 
             ch = charAt(++pos);
             
-            if(ch == '\\') {
-                hasSpecial = true;
-                continue;
-            }
-
             if (ch == '\"' && charAt(pos - 1) != '\\') {
                 scanChar();
                 token = LITERAL_ALIAS;
                 break;
             }
             
+            if(ch == '\\') {
+                scanChar();
+                if (ch == '"') {
+                    hasSpecial = true;
+                } else {
+                    unscan();
+                }
+            }
+            
             if (bufPos == buf.length) {
                 putChar(ch);
             } else {
diff --git a/src/test/java/com/alibaba/druid/bvt/bug/Bug_for_qianbi.java b/src/test/java/com/alibaba/druid/bvt/bug/Bug_for_qianbi.java
new file mode 100644
index 0000000000..5113ca4615
--- /dev/null
+++ b/src/test/java/com/alibaba/druid/bvt/bug/Bug_for_qianbi.java
@@ -0,0 +1,39 @@
+package com.alibaba.druid.bvt.bug;
+
+import java.util.List;
+
+import junit.framework.TestCase;
+
+import org.junit.Assert;
+
+import com.alibaba.druid.sql.ast.SQLStatement;
+import com.alibaba.druid.sql.dialect.odps.parser.OdpsStatementParser;
+import com.alibaba.druid.sql.dialect.odps.visitor.OdpsOutputVisitor;
+
+public class Bug_for_qianbi extends TestCase {
+
+    public void test_for_issue() throws Exception {
+        String sql = "insert into table lol select detail(sellerid,id) as count1,sum(sellerid) as sum1 from ctu_trade_paid_done.time('natural','1d','1h') "
+                     + "where match(auctionTitle,\"男鞋\\n中石化&加油卡\\n中石化&充值卡\\n中石化&冲值卡\\n中石化&代冲\\n中石化&代充\\n中国石化&加油卡\\n中国石化&充值卡\\n中国石化&冲值卡\\n中国石化&代冲\\n中国石化&代充\",\"\\n\")";
+
+        String expected = "INSERT INTO TABLE lol"
+                          + "\nSELECT detail(sellerid, id) AS count1, "
+                          + "\n\tSUM(sellerid) AS sum1"
+                          + "\nFROM ctu_trade_paid_done:time('natural', '1d', '1h')"
+                          + "\nWHERE match(auctionTitle, '男鞋\\n中石化&加油卡\\n中石化&充值卡\\n中石化&冲值卡\\n中石化&代冲\\n中石化&代充\\n中国石化&加油卡\\n中国石化&充值卡\\n中国石化&冲值卡\\n中国石化&代冲\\n中国石化&代充', '\\n');\n";
+
+        StringBuilder out = new StringBuilder();
+        OdpsOutputVisitor visitor = new OdpsOutputVisitor(out);
+        OdpsStatementParser parser = new OdpsStatementParser(sql);
+        List<SQLStatement> statementList = parser.parseStatementList();
+        for (SQLStatement statement : statementList) {
+            statement.accept(visitor);
+            visitor.print(";");
+            visitor.println();
+        }
+
+        // System.out.println(out.toString());
+
+        Assert.assertEquals(expected, out.toString());
+    }
+}