==== ---- QUERY # Test for selecting from table with null and empty strings. select * from nulltable ---- RESULTS 'a','','NULL',NULL,NULL,'a\x00b','\x00' ---- TYPES string, string, string, int, double, string, string ==== ---- QUERY select count(*),count(a),count(b),count(c),count(d),count(e),count(f),count(g) from nulltable ---- RESULTS 1,1,1,0,0,0,1,1 ---- TYPES bigint, bigint, bigint, bigint, bigint, bigint, bigint, bigint ==== ---- QUERY select length(f),length(g) from nulltable ---- RESULTS 3,1 ---- TYPES int, int ==== ---- QUERY # Test for selecting from table with '\' escape character with null and empty strings. select * from nullescapedtable ---- RESULTS 'a','','NULL',NULL,NULL,'a\x00b','\x00' ---- TYPES string, string, string, int, double, string, string ==== ---- QUERY select count(*),count(a),count(b),count(c),count(d),count(e),count(f),count(g) from nullescapedtable ---- RESULTS 1,1,1,0,0,0,1,1 ---- TYPES bigint, bigint, bigint, bigint, bigint, bigint, bigint, bigint ====