命令查找临时表中的条目数

Question

查找临时表中条目/行数的命令是什么？版本10.2b

Answer 1

/* create a temp-table so that we can test this technique
 */

define temp-table ttTest
  field id as int
.

create ttTest.
id = 1.
create ttTest.
id = 2.

/* how many records?
 */

define query q for ttTest cache 0.
open query q preselect each ttTest.
display num-results( "q" ).

Answer 2

或者你可以使用经典FOR FOR EACH：

DEFINE VARIABLE iCount AS INT NO-UNDO.

FOR EACH ttTest:
  iCount = iCount + 1.
END.

DISPLAY iCount.