mirror of
https://github.com/tursodatabase/libsql.git
synced 2024-12-12 15:33:44 +00:00
82 lines
2.1 KiB
Plaintext
82 lines
2.1 KiB
Plaintext
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CREATE TABLE t17a(ii INT);
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CREATE TABLE t17b(tt TEXT PRIMARY KEY, ss);
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CREATE TRIGGER t17a_ai AFTER INSERT ON t17a BEGIN
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INSERT INTO t17b(tt) VALUES(new.ii);
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END;
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CREATE TRIGGER t17b_ai AFTER INSERT ON t17b BEGIN
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UPDATE t17b SET ss = 4;
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END;
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INSERT INTO t17a(ii) VALUES('1');
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PRAGMA integrity_check;
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CREATE TABLE t18(a PRIMARY KEY,b,c);
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INSERT INTO t18(a,b,c) VALUES(1,2,3);
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CREATE TRIGGER t18r1 BEFORE UPDATE ON t18 BEGIN
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UPDATE t18 SET b=1000 WHERE a=old.a;
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END;
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UPDATE t18 SET c=b WHERE a=1;
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SELECT * FROM t18;
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DELETE FROM t18;
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INSERT INTO t18(a,b,c) VALUES(1,2,3);
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UPDATE t18 SET c=b, b=b+1 WHERE a=1;
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SELECT * FROM t18;
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CREATE TABLE t19(a INT PRIMARY KEY, b, c)WITHOUT ROWID;
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INSERT INTO t19(a,b,c) VALUES(1,2,3);
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CREATE TRIGGER t19r3 BEFORE UPDATE ON t19 BEGIN SELECT new.b; END;
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UPDATE t19 SET c=b WHERE a=1;
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SELECT * FROM t19;
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DELETE FROM t19;
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INSERT INTO t19(a,b,c) VALUES(1,2,3);
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UPDATE t19 SET c=CASE WHEN b=2 THEN b ELSE b+99 END WHERE a=1;
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SELECT * FROM t19;
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CREATE TABLE t20_1(x);
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ATTACH ':memory:' AS aux;
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CREATE TABLE aux.t20_2(y);
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CREATE TABLE aux.t20_3(z);
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CREATE TEMP TRIGGER r20_3 AFTER INSERT ON t20_2 BEGIN UPDATE t20_3 SET z=z+1; END;
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DETACH aux;
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DROP TRIGGER r20_3;
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PRAGMA recursive_triggers = true;
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CREATE TABLE t0(a, b, c UNIQUE);
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CREATE UNIQUE INDEX i0 ON t0(b) WHERE a;
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CREATE TRIGGER tr0 AFTER DELETE ON t0 BEGIN
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DELETE FROM t0;
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END;
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INSERT INTO t0(a,b,c) VALUES(0,0,9),(1,1,1);
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REPLACE INTO t0(a,b,c) VALUES(2,0,9);
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SELECT * FROM t0;
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CREATE TABLE t1(
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a INTEGER PRIMARY KEY,
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b DOUBLE
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);
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CREATE TRIGGER x AFTER UPDATE ON t1 BEGIN
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SELECT sum(b)OVER(ORDER BY (SELECT b FROM t1 AS x
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WHERE b IN (t1.a,127,t1.b)
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GROUP BY b))
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FROM t1
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GROUP BY a;
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END;
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CREATE TEMP TRIGGER x BEFORE INSERT ON t1 BEGIN
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UPDATE t1
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SET b=randomblob(10)
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WHERE b >= 'E'
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AND a < (SELECT a FROM t1 WHERE a<22 GROUP BY b);
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END;
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INSERT INTO t1(b) VALUES('Y'),('X'),('Z');
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SELECT a, CASE WHEN typeof(b)='text' THEN quote(b) ELSE '<blob>' END, '|' FROM t1;
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