bug fixed for sql parser

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

@@ -123,7 +123,7 @@ public class SQLParser {
         } else {
             setErrorEndPos(lexer.pos());
             throw new SQLParseException("syntax error, expect " + token + ", actual " + lexer.token() + " "
-                                        + lexer.stringVal());
+                                        + lexer.stringVal() + ", pos " + this.lexer.pos());
         }
     }
 

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

@@ -189,7 +189,7 @@ public class SQLSelectParser extends SQLParser {
 
                 accept(Token.AS);
                 accept(Token.LPAREN);
-                entry.setSubQuery(query());
+                entry.setSubQuery(select());
                 accept(Token.RPAREN);
 
                 withQueryClause.getEntries().add(entry);