From 563ba6dd3bb3e83374489ba84fed28ce23858096 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=B8=A9=E5=B0=91?= <szujobs@hotmail.com>
Date: Thu, 26 Apr 2012 11:01:59 +0800
Subject: [PATCH] mysql support operator '||'

---
 .../dialect/mysql/parser/MySqlExprParser.java | 21 +++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/src/main/java/com/alibaba/druid/sql/dialect/mysql/parser/MySqlExprParser.java b/src/main/java/com/alibaba/druid/sql/dialect/mysql/parser/MySqlExprParser.java
index bda8de83ac..588ea7e6e9 100644
--- a/src/main/java/com/alibaba/druid/sql/dialect/mysql/parser/MySqlExprParser.java
+++ b/src/main/java/com/alibaba/druid/sql/dialect/mysql/parser/MySqlExprParser.java
@@ -475,4 +475,25 @@ public class MySqlExprParser extends SQLExprParser {
 
         return column;
     }
+    
+    public SQLExpr orRest(SQLExpr expr) throws ParserException {
+
+        for (;;) {
+            if (lexer.token() == Token.OR || lexer.token() == Token.BARBAR) {
+                lexer.nextToken();
+                SQLExpr rightExp = and();
+
+                expr = new SQLBinaryOpExpr(expr, SQLBinaryOperator.BooleanOr, rightExp);
+            } else if (lexer.token() == Token.XOR) {
+                lexer.nextToken();
+                SQLExpr rightExp = and();
+
+                expr = new SQLBinaryOpExpr(expr, SQLBinaryOperator.BooleanXor, rightExp);
+            } else {
+                break;
+            }
+        }
+
+        return expr;
+    }
 }