mirror of
https://github.com/tursodatabase/libsql.git
synced 2025-10-31 21:36:07 +00:00
27 lines
672 B
Plaintext
27 lines
672 B
Plaintext
|
|
CREATE TABLE u1(a, b, c, PRIMARY KEY(b, c)) WITHOUT ROWID;
|
|
INSERT INTO u1 VALUES(0, 0, 0);
|
|
INSERT INTO u1 VALUES(1, 0, 1);
|
|
INSERT INTO u1 VALUES(2, 1, 0);
|
|
INSERT INTO u1 VALUES(3, 1, 1);
|
|
|
|
|
|
CREATE TABLE map(f, t);
|
|
INSERT INTO map VALUES(0, 10);
|
|
INSERT INTO map VALUES(1, 11);
|
|
UPDATE u1 SET c=t FROM map WHERE c=f;
|
|
SELECT * FROM u1 ORDER BY a;
|
|
|
|
|
|
UPDATE u1 SET b=t FROM map WHERE b=f;
|
|
SELECT * FROM u1 ORDER BY a;
|
|
|
|
|
|
CREATE TABLE map2(o1, o2, n1, n2);
|
|
INSERT INTO map2 VALUES
|
|
(10, 10, 50, 50), (10, 11, 50, 60),
|
|
(11, 10, 60, 50), (11, 11, 60, 60);
|
|
UPDATE u1 SET b=n1, c=n2 FROM map2 WHERE b=o1 AND c=o2;
|
|
SELECT * FROM u1 ORDER BY a;
|
|
|