scrollcursors3.out

来自「derby database source code.good for you.」· OUT 代码 · 共 53 行

ij> disconnect;
ij> connect 'wombat;user=U1' AS C1;
ij> connect 'wombat;user=U2' AS C2;
ij(C2)> set connection C1;
ij(C1)> create table t1(c1 int, c2 int);
0 rows inserted/updated/deleted
ij(C1)> insert into t1 values (1, 2), (3, 4), (5, 6), (7, 8), (9, 10);
5 rows inserted/updated/deleted
ij(C1)> get scroll insensitive cursor c1 as 'select * from t1';
ij(C1)> set connection C2;
ij(C2)> -- see what happens to other user when we close our cursor
-- before they are done.
get scroll insensitive cursor c1 as 'select * from U1.t1';
ij(C2)> set connection C1;
ij(C1)> next c1;
C1         |C2         
-----------------------
1          |2          
ij(C1)> set connection C2;
ij(C2)> next c1;
C1         |C2         
-----------------------
1          |2          
ij(C2)> set connection C1;
ij(C1)> last c1;
C1         |C2         
-----------------------
9          |10         
ij(C1)> set connection C2;
ij(C2)> last c1;
C1         |C2         
-----------------------
9          |10         
ij(C2)> set connection C1;
ij(C1)> previous c1;
C1         |C2         
-----------------------
7          |8          
ij(C1)> set connection C2;
ij(C2)> close c1;
ij(C2)> set connection C1;
ij(C1)> first c1;
C1         |C2         
-----------------------
1          |2          
ij(C1)> close c1;
ij(C1)> drop table t1;
0 rows inserted/updated/deleted
ij(C1)> disconnect;
ij> set connection C2;
ij> disconnect;
ij>