libsql-wal 0.1.0-alpha.1

wal implementation for libsql
Documentation 
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  CREATE VIRTUAL TABLE t1 USING fts4;
  BEGIN;
    INSERT INTO t1 VALUES('this is a dog');
    INSERT INTO t1 VALUES('an instance of a phrase');
    INSERT INTO t1 VALUES('an instance of a longer phrase');
    INSERT INTO t1 VALUES("some text");
  COMMIT;


  SELECT count(*) FROM t1_segments WHERE length(block)>10000;
  UPDATE t1_segments 
    SET block = zeroblob(length(block)) 
    WHERE length(block)>10000;

 DROP TABLE t1 
 
    SELECT count(*) FROM t1_segments WHERE length(block)>10000 
  

  CREATE VIRTUAL TABLE x1 USING fts4(a, b);
  INSERT INTO x1 VALUES('a b c', 'd e f');
  INSERT INTO x1 SELECT * FROM x1;
  INSERT INTO x1 SELECT * FROM x1;
  INSERT INTO x1 SELECT * FROM x1;
  INSERT INTO x1 SELECT * FROM x1;


  SELECT count(*) FROM x1 WHERE x1 MATCH '"d e f"'


  CREATE VIRTUAL TABLE x2 USING FTS4(x);
  BEGIN;
  INSERT INTO x2 VALUES('m m m m m m m m m m m m m m m m m m m m m m m m m m');
  INSERT INTO x2 SELECT * FROM x2;
  INSERT INTO x2 SELECT * FROM x2;
  INSERT INTO x2 SELECT * FROM x2;
  INSERT INTO x2 SELECT * FROM x2;
  INSERT INTO x2 SELECT * FROM x2;
  INSERT INTO x2 SELECT * FROM x2;
  INSERT INTO x2 SELECT * FROM x2;
  INSERT INTO x2 SELECT * FROM x2;
  INSERT INTO x2 SELECT * FROM x2;
  INSERT INTO x2 SELECT * FROM x2;
  INSERT INTO x2 SELECT * FROM x2;
  INSERT INTO x2 SELECT * FROM x2;
  INSERT INTO x2 SELECT * FROM x2;
  INSERT INTO x2 SELECT * FROM x2;
  INSERT INTO x2 SELECT * FROM x2;
  INSERT INTO x2 VALUES('a b c d e f g h i j k l m n o p q r s t u v w x y m');
  COMMIT;


  SELECT * FROM x2 WHERE x2 MATCH 'a b c d e f g h i j k l m n o p q r s';