Add an assert_fts3_nc() macro to fts3 - for assert() conditions that are only true...

FossilOrigin-Name: 3498908cd7f3d0e35b70796537124e3da0bd99d48750ba51bcb9eba87e28ed4d

diff --git a/ext/fts3/fts3.c b/ext/fts3/fts3.c
index 9996611b16a2a0e30b012155751cc6337a06d484..1d28a14e8873f470e12869495b7616e9fa3f7963 100644 (file)
--- a/ext/fts3/fts3.c
+++ b/ext/fts3/fts3.c
@@ -320,6 +320,14 @@ int sqlite3Fts3Never(int b)  { assert( !b ); return b; }
 # endif
 #endif
 
+/*
+** This variable is set to false when running tests for which the on disk
+** structures should not be corrupt. Otherwise, true. If it is false, extra
+** assert() conditions in the fts3 code are activated - conditions that are
+** only true if it is guaranteed that the fts3 database is not corrupt.
+*/
+int sqlite3_fts3_may_be_corrupt = 1;
+
 /* 
 ** Write a 64-bit variable-length integer to memory starting at p[0].
 ** The length of data written will be between 1 and FTS3_VARINT_MAX bytes.

diff --git a/ext/fts3/fts3Int.h b/ext/fts3/fts3Int.h
index d029625c9fb1e45629eee217dc997489021cbec6..cf03dc327800f956149c4dd34316eef11337f4bb 100644 (file)
--- a/ext/fts3/fts3Int.h
+++ b/ext/fts3/fts3Int.h
@@ -129,6 +129,18 @@ SQLITE_EXTENSION_INIT3
 #define POS_COLUMN  (1)     /* Column-list terminator */
 #define POS_END     (0)     /* Position-list terminator */ 
 
+/*
+** The assert_fts3_nc() macro is similar to the assert() macro, except that it
+** is used for assert() conditions that are true only if it can be 
+** guranteed that the database is not corrupt.
+*/
+#ifdef SQLITE_DEBUG
+extern int sqlite3_fts3_may_be_corrupt;
+# define assert_fts3_nc(x) assert(sqlite3_fts3_may_be_corrupt || (x))
+#else
+# define assert_fts3_nc(x) assert(x)
+#endif
+
 /*
 ** This section provides definitions to allow the
 ** FTS3 extension to be compiled outside of the 

diff --git a/ext/fts3/fts3_test.c b/ext/fts3/fts3_test.c
index a48a556c98f08151698eb3e606726aee6d18e68c..8bf7804de0e5cba1427434f40ba32934bd85b66b 100644 (file)
--- a/ext/fts3/fts3_test.c
+++ b/ext/fts3/fts3_test.c
@@ -574,6 +574,33 @@ static int SQLITE_TCLAPI fts3_test_varint_cmd(
 ** End of tokenizer code.
 **************************************************************************/ 
 
+/*
+**      sqlite3_fts3_may_be_corrupt BOOLEAN
+**
+** Set or clear the global "may-be-corrupt" flag. Return the old value.
+*/
+static int SQLITE_TCLAPI fts3_may_be_corrupt(
+  void * clientData,
+  Tcl_Interp *interp,
+  int objc,
+  Tcl_Obj *CONST objv[]
+){
+  int bOld = sqlite3_fts3_may_be_corrupt;
+
+  if( objc!=2 && objc!=1 ){
+    Tcl_WrongNumArgs(interp, 1, objv, "?BOOLEAN?");
+    return TCL_ERROR;
+  }
+  if( objc==2 ){
+    int bNew;
+    if( Tcl_GetBooleanFromObj(interp, objv[1], &bNew) ) return TCL_ERROR;
+    sqlite3_fts3_may_be_corrupt = bNew;
+  }
+
+  Tcl_SetObjResult(interp, Tcl_NewIntObj(bOld));
+  return TCL_OK;
+}
+
 int Sqlitetestfts3_Init(Tcl_Interp *interp){
   Tcl_CreateObjCommand(interp, "fts3_near_match", fts3_near_match_cmd, 0, 0);
   Tcl_CreateObjCommand(interp, 
@@ -582,10 +609,12 @@ int Sqlitetestfts3_Init(Tcl_Interp *interp){
   Tcl_CreateObjCommand(
       interp, "fts3_test_tokenizer", fts3_test_tokenizer_cmd, 0, 0
   );
-
   Tcl_CreateObjCommand(
       interp, "fts3_test_varint", fts3_test_varint_cmd, 0, 0
   );
+  Tcl_CreateObjCommand(
+      interp, "sqlite3_fts3_may_be_corrupt", fts3_may_be_corrupt, 0, 0
+  );
   return TCL_OK;
 }
 #endif                  /* SQLITE_ENABLE_FTS3 || SQLITE_ENABLE_FTS4 */

diff --git a/ext/fts3/fts3_write.c b/ext/fts3/fts3_write.c
index 3e195c3debbee6e4a96fc6dcb8b6c31b2d92321e..031b7b353bec2197231e594d3f97ff96555a3b04 100644 (file)
--- a/ext/fts3/fts3_write.c
+++ b/ext/fts3/fts3_write.c
@@ -567,7 +567,7 @@ static sqlite3_int64 getAbsoluteLevel(
   int iLevel                      /* Level of segments */
 ){
   sqlite3_int64 iBase;            /* First absolute level for iLangid/iIndex */
-  assert( iLangid>=0 );
+  assert_fts3_nc( iLangid>=0 );
   assert( p->nIndex>0 );
   assert( iIndex>=0 && iIndex<p->nIndex );
 

diff --git a/manifest b/manifest
index 78586beffc68e20d95166478c29a3e73cedce370..3ea315fed24f4507d5801947de26d1994a7e7b98 100644 (file)
--- a/manifest
+++ b/manifest
@@ -1,5 +1,5 @@
-C Extend\sfuzzcheck\sso\sthat\sit\scan\sprocess\sdbsqlfuzz\scases.\sAdd\sa\scollection\nof\sinteresting\sdbsqlfuzz\scases\sto\sthe\sstandard\stest\ssuite.
-D 2019-01-25T14:23:36.115
+C Add\san\sassert_fts3_nc()\smacro\sto\sfts3\s-\sfor\sassert()\sconditions\sthat\sare\sonly\strue\swhen\sit\sis\sguaranteed\sthat\sthe\sfts3\sdatabase\sis\snot\scorrupt.
+D 2019-01-25T14:48:18.788
 F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
 F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
 F Makefile.in 9947eae873c07ae894d4c8633b76c0a0daca7b9fd54401096a77d1a6c7b74359
@@ -80,9 +80,9 @@ F ext/fts3/README.content fdc666a70d5257a64fee209f97cf89e0e6e32b51
 F ext/fts3/README.syntax a19711dc5458c20734b8e485e75fb1981ec2427a
 F ext/fts3/README.tokenizers e0a8b81383ea60d0334d274fadf305ea14a8c314
 F ext/fts3/README.txt 8c18f41574404623b76917b9da66fcb0ab38328d
-F ext/fts3/fts3.c c8b68202dd9ae7a4a1f843c8c7bab108a9b43729444d4544d357eac59715b8cd
+F ext/fts3/fts3.c 229d0d6e087db5f694fd12e40f48fc748fead59f998b9b7015edee183fbc00f2
 F ext/fts3/fts3.h 3a10a0af180d502cecc50df77b1b22df142817fe
-F ext/fts3/fts3Int.h 6c666f314caaeb8fe8e4c1a2d84f8b34406647429a43e8f475b0b0074ad41861
+F ext/fts3/fts3Int.h 24ecc6a79ab97784643e5fb877fa8866a246cb47fcd2f11afa6f787e0f9f28ec
 F ext/fts3/fts3_aux.c 32e3ecada9014ff577022f9b44c9c5654d59405b39dc57ba8977298157e8c89b
 F ext/fts3/fts3_expr.c b132af223e90e35b9f9efa9fe63d6ae737d34153a3b6066736086df8abc78a1f
 F ext/fts3/fts3_hash.c 8b6e31bfb0844c27dc6092c2620bdb1fca17ed613072db057d96952c6bdb48b7
@@ -91,14 +91,14 @@ F ext/fts3/fts3_icu.c 305ce7fb6036484085b5556a9c8e62acdc7763f0f4cdf5fd538212a9f3
 F ext/fts3/fts3_porter.c 3565faf04b626cddf85f03825e86056a4562c009
 F ext/fts3/fts3_snippet.c 54ac8f4602924c0c57f933e60140ef243976382b80d7c0d8df5a924010803ef8
 F ext/fts3/fts3_term.c 12f7b2318f1254e6cc46dd306e5f2ac5b00b06d6761f5cae09fee5e1817cc32a
-F ext/fts3/fts3_test.c 79f2a7fbb3f672fa032e5a432ca274ea3ee93c34
+F ext/fts3/fts3_test.c b6e9f3fd7155cb388c6bc203fb24817a721fb61d9ce28810c73fcfda8c16fda6
 F ext/fts3/fts3_tokenize_vtab.c 969c132816b6f46ee2c7efafd2547a9bfd50b0aac3f8cef3f2dca2cbd90639c7
 F ext/fts3/fts3_tokenizer.c a22bf311a71f3efa9d7012d8cc48fc9b0f3dace7
 F ext/fts3/fts3_tokenizer.h 64c6ef6c5272c51ebe60fc607a896e84288fcbc3
 F ext/fts3/fts3_tokenizer1.c 5c98225a53705e5ee34824087478cf477bdb7004
 F ext/fts3/fts3_unicode.c 4b9af6151c29b35ed09574937083cece7c31e911f69615e168a39677569b684d
 F ext/fts3/fts3_unicode2.c 416eb7e1e81142703520d284b768ca2751d40e31fa912cae24ba74860532bf0f
-F ext/fts3/fts3_write.c 4f9d51326e9b020c1e44e86ac7d2e85c38a47f2464bb894ce080726afb352224
+F ext/fts3/fts3_write.c 45cbe0b06221f5debefe37f8f9882cf0401592668cb76624a64c0f3f185115de
 F ext/fts3/fts3speed.tcl b54caf6a18d38174f1a6e84219950d85e98bb1e9
 F ext/fts3/mkfts3amal.tcl 252ecb7fe6467854f2aa237bf2c390b74e71f100
 F ext/fts3/tool/fts3cov.sh c331d006359456cf6f8f953e37f2b9c7d568f3863f00bb5f7eb87fea4ac01b73
@@ -891,7 +891,7 @@ F test/fts2q.test b2fbbe038b7a31a52a6079b215e71226d8c6a682
 F test/fts2r.test b154c30b63061d8725e320fba1a39e2201cadd5e
 F test/fts2token.test d8070b241a15ff13592a9ae4a8b7c171af6f445a
 F test/fts3.test 672a040ea57036fb4b6fdc09027c18d7d24ab654
-F test/fts3_common.tcl 99cf6659b87c0f74f55963c2aea03b3a7d66ceb0
+F test/fts3_common.tcl 23ec6f568cded727866f69d51e53e32b4fedfac570693480da79208bdd263d5e
 F test/fts3aa.test 814d60a1ba30b4a71d8f9306a6564bc7b636dd6efacd2ad80306f9b23ef3ebee
 F test/fts3ab.test 7f6cf260ae80dda064023df8e8e503e9a412b91f
 F test/fts3ac.test 636ed7486043055d4f126a0e385f2d5a82ebbf63
@@ -918,7 +918,7 @@ F test/fts3conf.test c84bbaec81281c1788aa545ac6e78a6bd6cde2bdbbce2da261690e3659f
 F test/fts3corrupt.test 46b9ddda7f6588fd5a5b1f4bb4fc0618dc45010e7dddb8a3a188baf3197177ae
 F test/fts3corrupt2.test bf55c3fa0b0dc8ea1c0fe5543623bd27714585da6a129038fd6999fe3b0d25f3
 F test/fts3corrupt3.test 0d5b69a0998b4adf868cc301fc78f3d0707745f1d984ce044c205cdb764b491f
-F test/fts3corrupt4.test c2797baa11665b2ca87287b3e33155d4464cc4461b5e7e000b0b24a6035fd352
+F test/fts3corrupt4.test fbe8b5a8b93f737a0584563642963714017f5b050f964c6347e0a0acb3c373b0
 F test/fts3cov.test cb932743da52a1c79a1ab8983e26c8121cf02263d6ff16e1f642e6f9b8348338
 F test/fts3d.test 2bd8c97bcb9975f2334147173b4872505b6a41359a4f9068960a36afe07a679f
 F test/fts3defer.test f4c20e4c7153d20a98ee49ee5f3faef624fefc9a067f8d8d629db380c4d9f1de
@@ -1803,8 +1803,7 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
 F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
 F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
 F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
-P 5eb5e8289fa71e5e29e081d33d4a59c64b463bf6b06d7070c05c46d77d808ad4 2c1ef40e787a6bc355b50168527a47eb09acd30d0d88cff8336a434ad554115d
-R a2806326e0cb0598d45e4cc4f8c04ac5
-T +closed 2c1ef40e787a6bc355b50168527a47eb09acd30d0d88cff8336a434ad554115d
-U drh
-Z e0264b6bc0795e1cb58dfca1c59c35f8
+P e2991a7ecf5dd241c4bab7c7cadc4901043fb0c3ea1fac70b684f6d8332677f1
+R e01d1553556e5604277170be4802273f
+U dan
+Z dcc10c58e7f637220797a1cbb3af1add

diff --git a/manifest.uuid b/manifest.uuid
index 4998ec2d4304f24da9834e3d73b6b3924ef8e2ca..08814c8c30d985573004a227ce017cfa4bb70428 100644 (file)
--- a/manifest.uuid
+++ b/manifest.uuid
@@ -1 +1 @@
-e2991a7ecf5dd241c4bab7c7cadc4901043fb0c3ea1fac70b684f6d8332677f1
\ No newline at end of file
+3498908cd7f3d0e35b70796537124e3da0bd99d48750ba51bcb9eba87e28ed4d
\ No newline at end of file

diff --git a/test/fts3_common.tcl b/test/fts3_common.tcl
index 2ed1f70bf626bee9781bdba5393c3a004227c841..7b56f6681aef61e17ffe4d4d24ddf28f704b3a2b 100644 (file)
--- a/test/fts3_common.tcl
+++ b/test/fts3_common.tcl
@@ -44,6 +44,8 @@
 #
 #
 
+sqlite3_fts3_may_be_corrupt 0 
+
 #-------------------------------------------------------------------------
 # USAGE: fts3_build_db_1 SWITCHES N
 #

diff --git a/test/fts3corrupt4.test b/test/fts3corrupt4.test
index d98f69a6662d38dc1d413e638b208ff351c32501..7160a8f30e741f236af5e0840250f5e26e41b10c 100644 (file)
--- a/test/fts3corrupt4.test
+++ b/test/fts3corrupt4.test
@@ -16,8 +16,11 @@
 
 set testdir [file dirname $argv0]
 source $testdir/tester.tcl
+source $testdir/fts3_common.tcl
 set testprefix fts3corrupt4
 
+sqlite3_fts3_may_be_corrupt 1
+
 # If SQLITE_ENABLE_FTS3 is defined, omit this file.
 ifcapable !fts3 {
   finish_test
@@ -2162,5 +2165,206 @@ do_execsql_test 15.1 {
   SELECT quote(matchinfo(t1, t1 ))==0 FROM t1 WHERE t1 MATCH 'e*';
 } {0 0 0 0 0 0}
 
+#-------------------------------------------------------------------------
+reset_db
+do_test 16.0 {
+  sqlite3 db {}
+  db deserialize [decode_hexdb {
+| size 28672 pagesize 4096 filename crash-de7e8cb026385a.db
+| page 1 offset 0
+|      0: 53 51 4c 69 74 65 20 66 6f 72 6d 61 74 20 33 00   SQLite format 3.
+|     16: 10 00 01 01 00 40 20 20 00 00 00 00 00 00 00 07   .....@  ........
+|     32: 00 00 00 00 00 00 00 00 00 00 00 06 00 00 00 04   ................
+|     48: 00 00 00 00 00 00 00 00 00 00 00 01 00 00 00 00   ................
+|     96: 00 00 00 00 0d 0e ef 00 07 0d 4d 00 0f bd 0f 5f   ..........M...._
+|    112: 0e f7 0e 06 0e bc 0d a4 0d 4d 00 00 00 00 00 00   .........M......
+|   3392: 00 00 00 00 00 00 00 00 00 00 00 00 00 55 07 07   .............U..
+|   3408: 17 1b 1b 01 81 01 74 61 62 6c 65 74 31 5f 73 74   ......tablet1_st
+|   3424: 61 74 74 31 5f 73 74 61 74 07 43 52 45 41 54 45   att1_stat.CREATE
+|   3440: 20 54 41 42 4c 45 20 27 74 31 5f 73 74 61 74 27    TABLE 't1_stat'
+|   3456: 28 69 64 20 49 af 54 45 47 45 52 20 50 52 49 4d   (id I.TEGER PRIM
+|   3472: 41 52 59 20 4b 45 59 2c 20 76 61 6c 75 65 20 42   ARY KEY, value B
+|   3488: 4c 4f 42 29 60 06 07 17 21 21 01 81 0b 74 61 62   LOB)`...!!...tab
+|   3504: 6c 65 74 31 5f 64 6f 63 73 69 7a 65 74 31 5f 64   let1_docsizet1_d
+|   3520: 6f 63 73 69 7a 65 06 43 52 45 41 54 45 20 54 41   ocsize.CREATE TA
+|   3536: 42 4c 45 20 27 74 31 5f 64 6f 63 73 69 7a 65 27   BLE 't1_docsize'
+|   3552: 28 64 6f 63 69 64 20 49 4e 54 45 47 45 52 20 50   (docid INTEGER P
+|   3568: 52 49 4d 41 52 59 20 4b 45 59 2c 20 73 69 7a 65   RIMARY KEY, size
+|   3584: 20 42 4c 4f 42 29 81 33 04 07 17 1f 1f 01 82 35    BLOB).3.......5
+|   3600: 74 61 62 6c 65 74 31 5f 73 65 67 64 69 72 74 31   tablet1_segdirt1
+|   3616: 5f 73 65 67 64 69 72 04 43 52 45 41 54 45 20 54   _segdir.CREATE T
+|   3632: 41 42 4c 45 20 27 74 31 5f 73 65 67 64 69 72 27   ABLE 't1_segdir'
+|   3648: 28 6c 65 76 65 6c 20 49 4e 54 45 47 45 52 2c 69   (level INTEGER,i
+|   3664: 64 78 20 49 4e 54 45 47 45 52 2c 73 74 61 72 74   dx INTEGER,start
+|   3680: 5f 62 6c 6f 63 6b 20 49 4e 54 45 47 45 52 2c 6c   _block INTEGER,l
+|   3696: 65 61 76 65 73 5f 65 6e 64 5f 62 6c 6f 63 6b 20   eaves_end_block 
+|   3712: 49 4e 54 45 47 45 52 2c 65 6e 64 5f 62 6c 6f 63   INTEGER,end_bloc
+|   3728: 6b 20 49 4e 54 45 47 45 52 2c 72 6f 6f 74 20 42   k INTEGER,root B
+|   3744: 4c 4f 42 2c 50 52 49 4d 41 52 59 20 4b 45 59 28   LOB,PRIMARY KEY(
+|   3760: 6c 65 76 65 6c 2c 20 69 64 78 29 29 31 05 06 17   level, idx))1...
+|   3776: 45 1f 01 00 69 6e 64 65 78 73 71 6c 69 74 65 5f   E...indexsqlite_
+|   3792: 61 75 74 6f 69 6e 64 65 78 5f 74 31 5f 73 65 67   autoindex_t1_seg
+|   3808: 64 69 72 5f 31 74 31 5f 73 65 67 64 69 72 05 00   dir_1t1_segdir..
+|   3824: 00 00 08 00 00 00 00 66 03 07 17 23 23 01 81 13   .......f...##...
+|   3840: 74 61 62 6c 65 74 31 5f 73 65 67 6d 65 6e 74 73   tablet1_segments
+|   3856: 74 31 5f 73 65 67 6d 65 6e 74 73 03 43 52 45 41   t1_segments.CREA
+|   3872: 54 45 20 54 41 42 4c 45 20 27 74 31 5f 73 65 67   TE TABLE 't1_seg
+|   3888: 6d 65 6e 74 73 27 28 62 6c 6f 63 6b 69 64 20 49   ments'(blockid I
+|   3904: 4e 54 45 47 45 52 20 50 52 49 4d 41 52 59 20 4b   NTEGER PRIMARY K
+|   3920: 45 59 2c 20 62 6c 6f 63 6b 20 42 4c 4f 42 29 5c   EY, block BLOB).
+|   3936: 02 07 17 21 21 01 81 03 74 61 62 6c 65 74 31 5f   ...!!...tablet1_
+|   3952: 63 6f 6e 74 65 6e 74 74 31 5f 63 6f 6e 74 65 6e   contentt1_conten
+|   3968: 74 02 43 52 45 41 54 45 20 54 41 42 4c 45 20 27   t.CREATE TABLE '
+|   3984: 74 31 5f 63 6f 6e 74 65 6e 74 27 28 64 6f 63 69   t1_content'(doci
+|   4000: 64 20 49 4e 54 45 47 45 52 20 50 52 49 4d 41 52   d INTEGER PRIMAR
+|   4016: 59 20 4b 45 59 2c 20 27 63 30 61 27 29 41 01 06   Y KEY, 'c0a')A..
+|   4032: 17 11 11 08 71 74 61 62 6c 65 74 31 74 31 43 52   ....qtablet1t1CR
+|   4048: 45 41 54 45 20 56 49 52 54 55 41 4c 20 54 41 42   EATE VIRTUAL TAB
+|   4064: 4c 45 20 74 31 20 55 53 49 4e 47 20 66 74 73 34   LE t1 USING fts4
+|   4080: 28 61 2c 70 72 65 66 69 78 3d 27 31 2c 32 27 29   (a,prefix='1,2')
+| page 2 offset 4096
+|      0: 0d 00 00 00 08 0e 1f 00 0f c4 0f 7c 0f 34 0f 07   ...........|.4..
+|     16: 0e c3 0e 97 0e 63 0e 1f 00 00 00 00 00 00 00 00   .....c..........
+|   3600: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 42   ...............B
+|   3616: 08 04 00 81 09 73 75 6e 74 20 69 6e 20 63 75 6c   .....sunt in cul
+|   3632: 70 61 20 71 75 69 20 6f 66 66 69 63 69 61 20 64   pa qui officia d
+|   3648: 65 73 65 72 75 6e 74 20 6d 6f 6c 6c 69 74 20 61   eserunt mollit a
+|   3664: 6e 69 6d 20 69 64 20 65 73 74 20 6c 61 62 6f 72   nim id est labor
+|   3680: 75 6d 2e 32 07 03 00 6b 45 78 63 65 70 74 65 75   um.2...kExcepteu
+|   3696: 72 20 73 69 6e 74 20 6f 63 63 61 65 63 61 74 20   r sint occaecat 
+|   3712: 63 75 70 69 64 61 74 61 74 20 6e 6f 6e 20 70 72   cupidatat non pr
+|   3728: 6f 69 64 65 6e 74 2c 2a 06 03 00 5b 63 69 6c 6c   oident,*...[cill
+|   3744: 75 6d 20 64 6f 6c 6f 72 65 20 65 75 20 66 75 67   um dolore eu fug
+|   3760: 69 61 74 20 6e 75 6c 6c 61 20 70 61 72 69 61 74   iat nulla pariat
+|   3776: 75 72 2e 42 05 04 00 81 09 44 75 69 73 20 61 75   ur.B.....Duis au
+|   3792: 74 65 20 69 72 75 72 65 21 64 6f 6c 6f 72 20 69   te irure!dolor i
+|   3808: 6e 20 72 65 70 72 65 68 65 6e 64 65 72 69 74 20   n reprehenderit 
+|   3824: 69 6e 20 76 6f 6c 75 70 74 61 74 65 20 76 65 6c   in voluptate vel
+|   3840: 69 74 20 65 73 74 65 2b 04 03 00 5d 6e 69 73 69   it este+...]nisi
+|   3856: 20 75 74 20 61 6c 69 71 75 69 70 20 65 78 20 65    ut aliquip ex e
+|   3872: 61 20 63 6f 6d 6d 6f 64 6f 20 63 6f 6e 73 65 71   a commodo conseq
+|   3888: 75 61 74 2e 46 03 04 00 81 11 55 74 20 65 6e 69   uat.F.....Ut eni
+|   3904: 6d 20 61 64 20 6d 69 6e 69 6d 20 76 65 6e 69 61   m ad minim venia
+|   3920: 6d 2c 20 71 75 69 73 20 6e 6f 73 74 72 75 64 20   m, quis nostrud 
+|   3936: 65 78 65 72 63 69 74 61 74 69 6f 6e 20 75 6c 6c   exercitation ull
+|   3952: 61 6d 63 6f 20 6c 61 62 6f 72 69 73 46 02 04 00   amco laborisF...
+|   3968: 81 11 73 65 64 20 64 6f 20 65 69 75 73 6d 6f 64   ..sed do eiusmod
+|   3984: 20 74 65 6d 70 6f 72 20 69 6e 63 69 64 69 64 75    tempor incididu
+|   4000: 6e 74 20 75 74 20 6c 61 62 6f 72 65 20 65 74 20   nt ut labore et 
+|   4016: 64 6f 6c 6f 72 65 20 6d 61 67 6e 61 20 51 6c 69   dolore magna Qli
+|   4032: 71 75 61 2e 3a 01 03 00 7b 4c 6f 72 65 6d 20 69   qua.:....Lorem i
+|   4048: 70 73 75 6d 20 64 6f 6c 6f 72 20 73 69 74 e5 61   psum dolor sit.a
+|   4064: 6d 65 74 2c 20 63 6f 6e 73 65 63 74 65 74 75 72   met, consectetur
+|   4080: 20 61 64 69 70 69 73 63 69 6e 67 20 65 6c 69 74    adipiscing elit
+| page 3 offset 8192
+|      0: 0d 00 00 00 00 10 00 00 00 00 00 00 00 00 00 00   ................
+| page 4 offset 12288
+|      0: 0d 00 00 00 03 0a a6 00 0d 57 0c 4a 0a a6 00 00   .........W.J....
+|   2720: 00 00 00 00 00 00 83 21 03 08 02 08 08 08 17 86   .......!........
+|   2736: 30 08 00 30 20 34 30 32 00 02 61 64 06 01 08 00   0..0 402..ad....
+|   2752: 02 04 00 01 01 6c 06 02 0c 00 02 04 00 01 01 6d   .....l.........m
+|   2768: 03 01 06 00 01 01 6e 03 08 09 00 01 01 75 03 05   ......n......u..
+|   2784: 03 00 00 02 63 69 03 06 02 00 01 01 6f 07 01 07   ....ci......o...
+|   2800: 00 03 07 03 00 01 01 75 06 07 05 00 01 04 00 00   .......u........
+|   2816: 02 64 65 03 08 07 00 01 01 6f 0d 01 04 00 01 03   .de......o......
+|   2832: 09 00 03 05 00 01 03 00 01 01 75 03 05 02 00 00   ..........u.....
+|   2848: 02 65 61 03 04 06 00 01 01 69 03 02 04 00 01 01   .ea......i......
+|   2864: 6c 03 01 09 00 01 01 6e 03 03 03 00 01 01 73 06   l......n......s.
+|   2880: 05 0b 00 03 0b 00 01 01 74 03 02 09 00 01 01 75   ........t......u
+|   2896: 03 06 04 00 01 01 78 09 03 09 00 01 05 00 03 02   ......x.........
+|   2912: 00 00 02 66 75 03 06 05 00 00 02 69 64 03 08 0a   ...fu......id...
+|   2928: 00 01 01 6e 0a 02 06 00 03 06 04 00 03 03 00 01   ...n............
+|   2944: 01 70 03 01 03 00 01 01 72 03 05 04 00 00 02 6c   .p......r......l
+|   2960: 61 09 02 08 00 01 0b 00 05 0c 00 01 01 6f 03 01   a............o..
+|   2976: 02 00 00 02 6d 61 03 02 0b 00 01 01 69 03 03 05   ....ma......i...
+|   2992: 00 01 01 6f 03 08 08 00 00 02 6e 69 03 04 02 00   ...o......ni....
+|   3008: 01 01 6f 06 03 08 00 04 06 00 01 01 75 03 06 06   ..o.........u...
+|   3024: 00 00 02 6f 63 03 07 04 00 01 01 66 03 08 06 00   ...oc......f....
+|   3040: 00 02 70 61 03 06 07 00 01 01 72 03 07 07 00 00   ..pa......r.....
+|   3056: 02 71 75 06 03 07 00 05 05 00 00 02 72 65 03 05   .qu.........re..
+|   3072: 07 00 00 02 73 65 03 02 02 00 01 01 69 06 01 05   ....se......i...
+|   3088: 00 06 03 00 01 01 75 03 08 02 00 00 02 74 65 03   ......u......te.
+|   3104: 02 05 00 00 02 75 6c 03 03 0a 00 01 01 74 09 02   .....ul......t..
+|   3120: 07 00 01 02 00 01 03 00 00 02 76 65 06 03 06 00   ..........ve....
+|   3136: 02 0a 00 01 01 6f 03 05 09 00 82 0a 02 08 12 08   .....o..........
+|   3152: 08 08 17 84 02 04 00 30 20 32 35 31 00 01 61 23   .......0 251..a#
+|   3168: 01 06 04 00 01 0c 00 01 04 00 01 04 00 01 03 00   ................
+|   3184: 03 09 00 00 01 63 10 01 07 00 03 07 03 00 02 02   .....c..........
+|   3200: 00 01 05 00 01 04 00 00 01 64 11 01 04 00 01 03   .........d......
+|   3216: 09 00 03 02 05 00 01 13 00 02 07 00 00 01 65 1b   ..............e.
+|   3232: 01 09 00 01 04 07 00 01 03 08 00 01 05 03 00 01   ................
+|   3248: 0b 00 01 04 00 01 02 00 01 0b 00 00 01 66 03 06   .............f..
+|   3264: 05 00 00 01 69 0f 01 03 00 01 06 00 03 04 04 04   ....i...........
+|   3280: 00 03 03 09 00 00 01 6c 0c 01 02 00 01 08 00 01   .......l........
+|   3296: 0b 00 05 0c 00 10 01 6d 09 02 0b 00 01 05 00 05   .......m........
+|   3312: 08 00 00 01 6e 0c 03 08 00 01 02 00 02 06 00 01   ....n...........
+|   3328: 06 00 00 01 6f 06 07 04 00 01 06 00 00 01 70 06   ....o.........p.
+|   3344: 06 07 00 01 07 00 00 01 71 06 03 07 00 05 05 00   ........q.......
+|   3360: 00 01 72 03 05 07 00 00 01 73 0c 01 05 00 01 02   ..r......s......
+|   3376: 00 05 03 00 01 02 00 00 01 74 03 02 05 00 00 01   .........t......
+|   3392: 75 0a 02 07 00 01 02 0a 00 01 03 00 00 01 76 07   u.............v.
+|   3408: 03 06 00 02 09 03 00 85 26 01 08 08 08 08 08 17   ........&.......
+|   3424: 8a 3e 30 20 36 36 35 00 02 61 64 03 03 04 00 02   .>0 665..ad.....
+|   3440: 08 69 70 69 73 63 69 6e 67 03 01 08 00 01 05 6c   .ipiscing......l
+|   3456: 69 71 75 61 03 02 0c 00 05 02 69 70 03 04 04 00   iqua......ip....
+|   3472: 01 03 6d 65 74 03 01 06 00 01 03 6e 69 6d 03 08   ..met......nim..
+|   3488: 09 00 01 03 75 74 65 03 05 03 00 00 06 63 69 6c   ....ute......cil
+|   3504: 6c 75 6d 03 06 02 00 01 06 6f 6d 6d 6f 64 6f 03   lum......ommodo.
+|   3520: 04 07 00 02 09 6e 73 65 63 74 65 74 75 72 03 01   .....nsectetur..
+|   3536: 07 00 05 04 71 75 61 74 03 04 08 00 01 04 75 6c   ....quat......ul
+|   3552: 70 61 03 08 04 00 02 07 70 69 64 61 74 61 74 03   pa......pidatat.
+|   3568: 07 05 00 00 08 64 65 73 65 72 75 6e 74 03 08 07   .....deserunt...
+|   3584: 00 01 01 6f 03 02 03 00 02 03 6c 6f 72 06 01 04   ...o......lor...
+|   3600: 00 04 05 00 05 01 65 06 02 0a 00 04 03 00 01 03   ......e.........
+|   3616: 75 69 73 03 05 02 00 00 02 65 61 03 04 06 00 01   uis......ea.....
+|   3632: 06 69 75 73 6d 6f 64 03 02 04 00 01 03 6c 69 74   .iusmod......lit
+|   3648: 03 01 09 00 01 03 6e 69 6d 03 03 03 00 01 03 73   ......nim......s
+|   3664: 73 65 03 05 0b 00 02 01 74 03 08 0b 00 01 01 74   se......t......t
+|   3680: 03 02 09 00 01 01 75 03 06 04 00 01 01 78 03 04   ......u......x..
+|   3696: 05 00 02 07 63 65 70 74 65 75 72 03 07 02 00 02   ....cepteur.....
+|   3712: 0a 65 72 63 69 74 61 74 69 6f 6e 03 03 09 00 00   .ercitation.....
+|   3728: 06 66 75 67 69 61 74 03 06 05 00 00 02 69 64 03   .fugiat......id.
+|   3744: 08 0a 00 01 01 6e 07 05 06 04 00 03 03 00 02 08   .....n..........
+|   3760: 63 69 64 69 64 75 7e 74 03 02 06 00 01 04 70 73   cididu~t......ps
+|   3776: 75 6d 03 01 03 00 01 03 72 75 72 65 03 05 04 00   um......rure....
+|   3792: 00 06 6c 61 62 6f 72 65 03 02 08 00 05 02 69 73   ..labore......is
+|   3808: 03 03 0b 00 05 02 75 6d 03 08 0c 00 01 04 6f 72   ......um......or
+|   3824: 65 6d 03 01 02 00 00 05 6d 61 67 6e 61 03 02 0b   em......magna...
+|   3840: 00 01 04 69 6e 69 6d 03 03 05 00 01 05 6f 6c 6c   ...inim......oll
+|   3856: 69 74 03 08 08 00 00 04 6e 69 73 69 03 04 02 00   it......nisi....
+|   3872: 01 02 6f 6e 03 07 06 00 02 05 73 74 72 75 64 03   ..on......strud.
+|   3888: 03 08 00 01 04 75 6c 6c 61 03 06 06 00 00 08 6f   .....ulla......o
+|   3904: 63 63 61 65 63 61 74 03 07 04 00 01 06 66 66 69   ccaecat......ffi
+|   3920: 63 69 61 03 08 06 00 00 08 70 61 72 69 61 74 75   cia......pariatu
+|   3936: 72 03 06 07 00 01 07 72 6f 69 64 65 6e 74 03 07   r......roident..
+|   3952: 07 00 00 03 71 75 69 03 08 05 00 03 01 73 03 03   ....qui......s..
+|   3968: 07 00 00 0d 72 65 70 72 65 68 65 6e 64 65 72 69   ....reprehenderi
+|   3984: 74 03 05 07 00 00 03 73 65 64 03 02 02 00 01 03   t......sed......
+|   4000: 69 6e 74 03 07 03 00 02 01 74 03 01 05 00 01 03   int......t......
+|   4016: 75 6e 74 03 08 02 00 00 06 74 65 6d 70 6f 72 03   unt......tempor.
+|   4032: 02 05 00 00 07 75 6c 6c 61 6d 63 6f 03 03 0a 00   .....ullamco....
+|   4048: 01 01 74 09 02 07 00 01 02 00 01 03 00 00 05 76   ..t............v
+|   4064: 65 6c 69 74 03 05 0a 00 02 04 6e 69 61 6d 03 03   elit......niam..
+|   4080: 06 00 01 08 6f 6c 75 70 74 61 74 65 03 05 09 00   ....oluptate....
+| page 5 offset 16384
+|      0: 0a 00 00 00 03 0f eb 00 0f fb 0f f3 0f eb 00 00   ................
+|   4064: 00 00 00 00 00 00 00 00 00 00 00 07 04 02 08 01   ................
+|   4080: 08 00 03 07 04 02 08 03 a4 00 02 04 04 08 08 09   ................
+| page 6 offset 20480
+|      0: 0d 00 00 00 08 0f d0 00 0f fa 0f f4 0f ee 0f e8   ................
+|     16: 0f e2 0f dc 0f d6 0f d0 00 00 00 00 00 00 00 00   ................
+|   4048: 04 08 03 00 0e 0b 04 07 03 00 0e 06 04 06 03 00   ................
+|   4064: 0e 06 04 05 03 00 0e 0a 04 04 03 00 0e 07 04 03   ................
+|   4080: 03 00 0e 0a 04 02 03 00 0e 0b 04 01 03 00 0e 08   ................
+| page 7 offset 24576
+|      0: 0d 00 00 00 01 0f f7 00 0f f7 00 00 00 00 00 00   ................
+|   4080: 00 00 00 00 00 00 00 07 00 03 00 14 08 45 b5 03   .............E..
+| end crash-de7e8cb026385a.db
+}]} {}
+
+do_catchsql_test 16.1 {
+  INSERT INTO t1(t1) VALUES('optimize');
+} {0 {}}
+
 finish_test