git-svn-id: http://code.alibabatech.com/svn/druid/trunk@118 b9813039-fb51-4c41-a8b9-e21c2acb5095

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

@@ -108,8 +108,8 @@ public class MySqlLexer extends Lexer {
         DEFAULT_MYSQL_KEYWORDS = new Keywords(map);
     }
 
-    public MySqlLexer(char[] input, int inputLength){
-        super(input, inputLength);
+    public MySqlLexer(char[] input, int inputLength, boolean skipComment){
+        super(input, inputLength, skipComment);
         super.keywods = DEFAULT_MYSQL_KEYWORDS;
     }
 

src/main/java/com/alibaba/druid/sql/parser/Lexer.java

@@ -74,11 +74,18 @@ public class Lexer {
 
     protected String                           stringVal;
 
+    protected boolean                          skipComment = true;
+
     public Lexer(String input){
-        this(input.toCharArray(), input.length());
+        this(input, true);
     }
 
-    public Lexer(char[] input, int inputLength){
+    public Lexer(String input, boolean skipComment){
+        this(input.toCharArray(), input.length(), skipComment);
+    }
+
+    public Lexer(char[] input, int inputLength, boolean skipComment){
+        this.skipComment = skipComment;
         this.sbuf = sbufRef.get(); // new char[1024];
         if (this.sbuf == null) {
             this.sbuf = new char[1024];
@@ -245,6 +252,9 @@ public class Lexer {
                     return;
                 case '/':
                     scanComment();
+                    if (skipComment) {
+                        continue;
+                    }
                     return;
                 default:
                     if (Character.isLetter(ch)) {

src/main/java/com/alibaba/druid/sql/visitor/SQLASTOutputVisitor.java

@@ -287,8 +287,9 @@ public class SQLASTOutputVisitor extends SQLASTVisitorAdapter {
     public boolean visit(SQLInListExpr x) {
         x.getExpr().accept(this);
 
-        if (x.isNot()) print(" NOT IN (");
-        else {
+        if (x.isNot()) {
+            print(" NOT IN (");
+        } else {
             print(" IN (");
         }