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SQLite training in Houston TX on 2019-11-05 (details)
Part of the 2019 Tcl Conference

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Overview
Comment:Avoid running tests that use sqlite_dbpage with SQLITE_OMIT_VIRTUAL_TABLE builds.
Downloads: Tarball | ZIP archive | SQL archive
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SHA3-256: 7bd20a20a0f422765a6e469d1a1b67b95c4a441931688e04a2b1b491a5238528
User & Date: dan 2017-10-22 07:57:29
Context
2017-10-22
08:02
Fix test cases in dbpage.test so that they work with SQLITE_DEFAULT_AUTOVACUUM=1 builds. check-in: 0fcf1e61 user: dan tags: trunk
07:58
Avoid running tests that use sqlite_dbpage with SQLITE_OMIT_VIRTUAL_TABLE builds. check-in: 6dde8d61 user: dan tags: branch-3.21
07:57
Avoid running tests that use sqlite_dbpage with SQLITE_OMIT_VIRTUAL_TABLE builds. check-in: 7bd20a20 user: dan tags: trunk
2017-10-21
14:17
Catch and avoid a 16-bit integer overflow on the number of columns in a common table expression. This fixes a problem found by OSS-Fuzz. The test case is in TH3. check-in: 6ee8cb6a user: drh tags: trunk
Changes
Hide Diffs Unified Diffs Ignore Whitespace Patch

Changes to test/corruptK.test. 

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do_catchsql_test 2.3 {
  INSERT INTO t1 VALUES(randomblob(900));
} {1 {database disk image is malformed}}

#-------------------------------------------------------------------------



proc hex2blob {hex} {
  # Split on newlines:
  set bytes [list]
  foreach l [split $hex "\n"] {
    if {[string is space $l]} continue
    set L [list]
    foreach b [split $l] {
      if {[string is xdigit $b] && [string length $b]==2} { 
        lappend L [expr "0x$b"]
      }
    }
    if {[llength $L]!=16} {
      error "Badly formed hex (1)"
    }
    set bytes [concat $bytes $L]
  }

  binary format c* $bytes
}

reset_db
db func hex2blob hex2blob

do_execsql_test 3.1 {
  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);
}

do_execsql_test 3.2 {
  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
}

db close
sqlite3 db test.db

do_catchsql_test 3.3 {
  PRAGMA integrity_check;
} {1 {database disk image is malformed}}





finish_test








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do_catchsql_test 2.3 {
  INSERT INTO t1 VALUES(randomblob(900));
} {1 {database disk image is malformed}}

#-------------------------------------------------------------------------

ifcapable vtab {

  proc hex2blob {hex} {
    # Split on newlines:
    set bytes [list]
    foreach l [split $hex "\n"] {
      if {[string is space $l]} continue
      set L [list]
      foreach b [split $l] {
        if {[string is xdigit $b] && [string length $b]==2} { 
          lappend L [expr "0x$b"]
        }
      }
      if {[llength $L]!=16} {
        error "Badly formed hex (1)"
      }
      set bytes [concat $bytes $L]
    }
  
    binary format c* $bytes
  }
  
  reset_db
  db func hex2blob hex2blob
  
  do_execsql_test 3.1 {
    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);
  }
  
  do_execsql_test 3.2 {
    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
  }
  
  db close
  sqlite3 db test.db
  
  do_catchsql_test 3.3 {
    PRAGMA integrity_check;
  } {1 {database disk image is malformed}}

} ;# ifcapable vtab



finish_test

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