typedef union 
{
   int intValue;
   double doubleValue;
   char* strValue;
   void* nodeValue;
} YYSTYPE;
#define	TOK_INTEGER	258
#define	TOK_DOUBLE	259
#define	TOK_STRING	260
#define	TOK_TRUE	261
#define	TOK_FALSE	262
#define	TOK_NULL	263
#define	TOK_EQ	264
#define	TOK_NE	265
#define	TOK_LT	266
#define	TOK_LE	267
#define	TOK_GT	268
#define	TOK_GE	269
#define	TOK_NOT	270
#define	TOK_OR	271
#define	TOK_AND	272
#define	TOK_IS	273
#define	TOK_IDENTIFIER	274
#define	TOK_SELECT	275
#define	TOK_WHERE	276
#define	TOK_FROM	277
#define	TOK_UNEXPECTED_CHAR	278


extern YYSTYPE WQL_lval;