libsql-wal 0.1.0-alpha.1

wal implementation for libsql
Documentation 
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  PRAGMA page_size=1024;
  PRAGMA auto_vacuum=0;
  CREATE TABLE t1(x);

  INSERT INTO t1 VALUES(randomblob(20));
  INSERT INTO t1 VALUES(randomblob(100));   -- make this into a free slot
  INSERT INTO t1 VALUES(randomblob(27));    -- this one will be corrupt
  INSERT INTO t1 VALUES(randomblob(800));

  DELETE FROM t1 WHERE rowid=2;  -- free the 100 byte slot
  PRAGMA page_count


  INSERT INTO t1 VALUES(randomblob(20));


  PRAGMA page_size=1024;
  PRAGMA auto_vacuum=0;
  CREATE TABLE t1(x);

  INSERT INTO t1 VALUES(randomblob(20));
  INSERT INTO t1 VALUES(randomblob(20));    -- free this one
  INSERT INTO t1 VALUES(randomblob(20));
  INSERT INTO t1 VALUES(randomblob(20));    -- and this one
  INSERT INTO t1 VALUES(randomblob(20));    -- corrupt this one.

  DELETE FROM t1 WHERE rowid IN(2, 4);
  PRAGMA page_count


    PRAGMA page_size=1024;
    CREATE TABLE t1(a, b, c);
    CREATE TABLE t2(a, b, c);
    CREATE TABLE t3(a, b, c);
    CREATE TABLE t4(a, b, c);
    CREATE TABLE t5(a, b, c);
  

    UPDATE sqlite_dbpage SET data = hex2blob('
   000: 53 51 4c 69 74 65 20 66 6f 72 6d 61 74 20 33 00 SQLite format 3.
   010: 04 00 01 01 20 40 20 20 00 00 3e d9 00 00 00 06 .... @  ..>.....
   020: 00 00 00 00 00 00 00 00 00 00 00 01 00 00 00 04 ................
   030: 0f 00 00 00 00 00 00 00 00 00 00 01 00 00 83 00 ................
   040: 00 00 00 00 00 00 00 00 00 00 00 00 00 38 00 00 .............8..
   050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 3e d9 ..............>.
   060: 00 2d e6 07 0d 00 00 00 01 03 a0 00 03 e0 00 00 .-..............
   070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
   080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
   090: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
   0a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
   0b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
   0c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
   0d0: 00 00 00 00 00 c1 00 00 00 00 00 00 00 00 00 00 ................
   0e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
   0f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
   100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
   110: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
   120: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
   130: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
   140: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
   150: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
   160: 00 83 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
   170: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
   180: 00 00 00 00 00 00 00 00 00 00 07 00 30 00 00 00 ............0...
   190: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
   1a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
   1b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
   1c0: 02 00 00 00 00 00 00 00 00 00 00 02 00 00 00 00 ................
   1d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
   1e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
   1f0: 00 02 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
   200: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
   210: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
   220: 00 00 0e 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
   230: 0c 00 00 00 00 00 00 60 00 00 00 06 00 00 c3 00 .......`........
   240: 00 06 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
   250: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
   260: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
   270: 00 00 00 18 00 00 00 00 00 00 00 00 00 00 00 00 ................
   280: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
   290: 04 00 0e 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
   2a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
   2b0: 00 00 00 00 83 00 8c 00 00 00 00 00 00 00 00 00 ................
   2c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
   2d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
   2e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
   2f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
   300: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
   310: 00 78 00 00 00 00 00 00 00 00 00 00 00 00 70 00 .x............p.
   320: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
   330: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
   340: 00 00 00 04 00 00 00 00 00 00 00 00 00 00 00 00 ................
   350: 00 00 00 00 00 68 00 00 00 00 00 00 00 00 00 00 .....h..........
   360: 00 00 00 00 00 03 00 00 00 00 00 00 00 00 00 00 ................
   370: 00 00 00 00 00 00 00 00 00 00 00 00 00 08 00 00 ................
   380: 00 00 00 00 70 00 00 00 00 00 00 00 00 00 00 00 ....p...........
   390: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
   3a0: 5e 01 07 17 1b 1b 01 81 13 74 61 62 6c 65 73 65 ^........tablese
   3b0: 6e 73 6f 32 73 73 65 6e 73 6f 72 73 02 43 52 45 nso2ssensors.CRE
   3c0: 41 54 45 20 54 41 42 4c 45 20 73 65 6e 73 6f 72 ATE TABLE sensor
   3d0: 73 20 0a 20 20 24 20 20 20 20 20 20 20 20 20 20 s .  $          
   3e0: b8 6e 61 6d 65 21 74 65 78 74 2c 20 79 61 6c 20 .name!text, yal 
   3f0: 72 65 61 6c 2c 20 74 69 6d 65 20 74 65 78 74 29 real, time text)
    ') WHERE pgno=1