libsql-wal 0.1.0-alpha.1

wal implementation for libsql
Documentation 
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  CREATE TABLE t1(a, b, c);
  CREATE VIEW v1 AS SELECT * FROM t1;

  CREATE TABLE t2(x INTEGER PRIMARY KEY, y, z UNIQUE);
  CREATE INDEX t2y ON t2(y);

  CREATE TABLE t3(q, r, s);
  CREATE INDEX t3rs ON t3(r+s);


    CREATE VIRTUAL TABLE ft1 USING fts5(one, two);
  

  ALTER TABLE t1 DROP COLUMN b;


  SELECT sql FROM sqlite_schema WHERE name = 't1'


  ALTER TABLE t1 DROP COLUMN c;


  SELECT sql FROM sqlite_schema WHERE name = 't1'


  CREATE TABLE t12(a, b, c, CHECK(c>10));
  CREATE TABLE t13(a, b, c CHECK(c>10));


  CREATE TABLE p1(a PRIMARY KEY, b UNIQUE);
  CREATE TABLE c1(x, y, z REFERENCES p1(c));
  CREATE TABLE c2(x, y, z, w REFERENCES p1(b));


  ALTER TABLE c1 DROP COLUMN z;
  ALTER TABLE c2 DROP COLUMN z;
  SELECT sql FROM sqlite_schema WHERE name IN ('c1', 'c2');


  CREATE VIEW v1 AS SELECT d, e FROM p1


  DROP VIEW v1;
  CREATE VIEW v1 AS SELECT x, y FROM c1;


  CREATE TRIGGER tr AFTER INSERT ON c1 BEGIN
    INSERT INTO p1 VALUES(new.y, new.xyz);
  END;


  DROP TRIGGER tr;
  CREATE TRIGGER tr AFTER INSERT ON c1 BEGIN
    INSERT INTO p1 VALUES(new.y, new.z);
  END;


  CREATE TABLE t1(a, b, c, PRIMARY KEY(a COLLATE nocase, a)) WITHOUT ROWID;
  INSERT INTO t1 VALUES(1, 2, 3);
  INSERT INTO t1 VALUES(4, 5, 6);


  ALTER TABLE t1 DROP COLUMN c;                


  SELECT sql FROM sqlite_schema;


  SELECT * FROM t1;


  CREATE TABLE t1(a INTEGER PRIMARY KEY, b);
  PRAGMA writable_schema = 1;
  UPDATE sqlite_schema 
  SET sql = 'CREATE TABLE t1(a INTEGER PRIMARY KEY AUTOINCREMENT, b)'


  ALTER TABLE t1 DROP COLUMN b;                


  SELECT sql FROM sqlite_schema;