support for functions in where clause

main.cpp

@@ -139,7 +139,8 @@ int main(int argc, char *argv[]) {
 //	    	    "select ticker, dimension, calendar_date, eps, dps from sf1 where (ticker = 'AIG' or ticker = 'WFC') and dimension = 'MRY' order by 3 desc",
 		    "create table a (i integer not null, s varchar(64), f float null, d date null,  b boolean)",
 		    "insert into a (i, s, b) values(1, upper('one'), 'Y')",
-		    "select i+2, s, b from a where i >=1 order by 1 desc offset 0 limit 1",
+		    "select i, s from a where i < to_date('20.12.1973', '%d.%m.%Y')",
+// xxxxxxxx	    "select i+2, s, b from a where i >=1 order by 1 desc offset 0 limit 1",
 //		    "update table a set s = 'null string aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa'",
 		    "update table a set i = null",
 		    "insert into a (i, s) values(2, 'two')",