libsql-wal 0.1.0-alpha.1

wal implementation for libsql
Documentation

  CREATE TABLE t11a AS SELECT '123456789' AS x;
  CREATE TABLE t11b (a INTEGER PRIMARY KEY, b, c);
  INSERT INTO t11b SELECT x, x, x FROM t11a;
  SELECT quote(a), quote(b), quote(c) FROM t11b;


  CREATE TABLE t12a(a,b,c,d,e,f,g);
  INSERT INTO t12a VALUES(101,102,103,104,105,106,107);
  CREATE TABLE t12b(x);
  INSERT INTO t12b(x,rowid,x,x,x,x,x) SELECT * FROM t12a;
  SELECT rowid, x FROM t12b;


  CREATE TABLE tab1( value INTEGER);
  INSERT INTO tab1 (value, _rowid_) values( 11, 1);
  INSERT INTO tab1 (value, _rowid_) SELECT 22,999;
  SELECT * FROM tab1;


  CREATE TABLE t12c(a, b DEFAULT 'xyzzy', c);
  INSERT INTO t12c(a, rowid, c) SELECT 'one', 999, 'two';
  SELECT * FROM t12c;


  DROP TABLE IF EXISTS t13;
  CREATE TABLE t13(a INTEGER PRIMARY KEY,b UNIQUE);
  CREATE INDEX t13x1 ON t13(-b=b);
  INSERT INTO t13 VALUES(1,5),(6,2);
  REPLACE INTO t13 SELECT b,0 FROM t13;
  SELECT * FROM t13 ORDER BY +b;


  DROP TABLE IF EXISTS t14;
  CREATE TABLE t14(x INTEGER PRIMARY KEY);
  INSERT INTO t14 VALUES(CASE WHEN 1 THEN null END);
  SELECT x FROM t14;


  DROP TABLE IF EXISTS t1;
  DROP TABLE IF EXISTS t2;
  CREATE TABLE t1(a INTEGER PRIMARY KEY, b TEXT);
  CREATE INDEX i1 ON t1(b);
  CREATE TABLE t2(a, b);
  INSERT INTO t2 VALUES(4, randomblob(31000));
  INSERT INTO t2 VALUES(4, randomblob(32000));
  INSERT INTO t2 VALUES(4, randomblob(33000));
  REPLACE INTO t1 SELECT a, b FROM t2;
  SELECT a, length(b) FROM t1;


  SELECT * FROM t0;


  CREATE TABLE t2(a INTEGER PRIMARY KEY, b);
  CREATE UNIQUE INDEX t2b ON t2(b);
  INSERT INTO t2(a,b) VALUES(1,1),(2,2),(3,3),(4,4);
  CREATE TABLE fire(x);
  CREATE TRIGGER t2r1 AFTER DELETE ON t2 BEGIN
    INSERT INTO fire VALUES(old.a);
  END;
  UPDATE OR REPLACE t2 SET a=4, b=3 WHERE a=1;
  SELECT *, 'x' FROM t2 ORDER BY a;


  SELECT x FROM fire ORDER BY x;


  DELETE FROM t2;
  DELETE FROM fire;
  INSERT INTO t2(a,b) VALUES(1,1),(2,2),(3,3),(4,4);
  UPDATE OR REPLACE t2 SET a=1, b=3 WHERE a=1;
  SELECT *, 'x' FROM t2 ORDER BY a;


  SELECT x FROM fire ORDER BY x;


  CREATE TABLE t3(a INTEGER PRIMARY KEY, b INT, c INT, d INT);
  CREATE UNIQUE INDEX t3bpi ON t3(b) WHERE c<=d;
  CREATE UNIQUE INDEX t3d ON t3(d);
  INSERT INTO t3(a,b,c,d) VALUES(1,1,1,1),(2,1,3,2),(3,4,5,6);
  CREATE TRIGGER t3r1 AFTER DELETE ON t3 BEGIN
    SELECT 'hi';
  END;
  REPLACE INTO t3(a,b,c,d) VALUES(4,4,8,9);


  SELECT *, 'x' FROM t3 ORDER BY a;


  REPLACE INTO t3(a,b,c,d) VALUES(5,1,11,2);
  SELECT *, 'x' FROM t3 ORDER BY a;


  DELETE FROM t3;
  INSERT INTO t3(a,b,c,d) VALUES(1,1,1,1),(2,1,3,2),(3,4,5,6);
  DROP TRIGGER t3r1;
  CREATE TRIGGER t3r1 AFTER DELETE ON t3 BEGIN
    INSERT INTO t3(b,c,d) VALUES(old.b,old.c,old.d);
  END;