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Fix an assert() in the OP_Delete opcode that could fail with a corrupt database.

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FossilOrigin-Name: 915388ab39ba3ca8681cd2613b91314aa965967f23a5bface90f54a3d6423300
This commit is contained in:
dan
2019-05-16 20:13:32 +00:00
parent 36c9301816
commit 0971ef45ab
4 changed files with 61 additions and 9 deletions
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52
test/corruptL.test
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@@ -1008,4 +1008,56 @@ do_catchsql_test 10.1 {
} {1 {database disk image is malformed}}
#-------------------------------------------------------------------------
reset_db
do_test 11.0 {
sqlite3 db {}
db deserialize [decode_hexdb {
| size 595 pagesize 512 filename x.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: 02 00 00 01 00 40 20 20 00 01 00 0c 00 00 00 07 .....@ ........
| 32: 00 00 00 05 07 a1 1f fa 00 00 00 08 00 00 00 04 ................
| 48: 00 00 01 00 00 49 00 00 00 00 00 05 00 00 00 00 .....I..........
| 80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 1c ................
| 96: 00 2e 2c 50 0d 00 00 00 06 01 06 00 01 da 01 b0 ..,P............
| 112: 01 56 01 86 01 2a 01 06 00 00 62 00 00 00 00 00 .V...*....b.....
| 128: 00 ed e2 78 74 64 33 ff 43 52 45 41 54 45 20 49 ...xtd3.CREATE I
| 144: 4e 44 45 58 20 74 33 78 20 4f 4e 20 74 33 28 38 NDEX t3x ON t3(8
| 160: 29 2e 04 06 17 15 11 01 45 69 6e 64 65 68 74 32 ).......Eindeht2
| 176: 63 64 74 31 e5 43 52 45 41 54 45 20 49 4e 44 45 cdt1.CREATE INDE
| 192: 58 20 74 32 63 c4 20 4f 4e 20 74 32 28 63 2c 64 X t2c. ON t2(c,d
| 208: 29 28 05 06 17 01 11 11 3d 74 61 6c 36 74 62 74 )(......=tal6tbt
| 224: 65 32 04 43 52 45 41 54 45 20 54 41 42 4c 45 20 e2.CREATE TABLE
| 240: 74 00 04 00 00 00 00 00 00 00 00 00 00 00 00 00 t...............
| 256: 00 00 00 00 00 00 22 07 06 17 11 11 01 30 e8 03 .............0..
| 272: 62 6c 65 74 34 74 35 02 43 52 45 41 54 45 20 54 blet4t5.CREATE T
| 288: 41 42 4c 45 20 74 34 28 94 29 2a 06 06 17 13 11 ABLE t4(.)*.....
| 304: 01 3f 69 33 74 6e 65 78 78 74 64 33 ff 43 52 45 .?i3tnexxtd3.CRE
| 320: 41 54 45 20 49 4e 44 45 58 20 74 33 78 20 4f 4e ATE INDEX t3x ON
| 336: 20 74 31 28 38 29 2e 04 06 17 15 11 01 45 69 6e t1(8).......Ein
| 352: 64 65 68 74 32 63 64 74 31 e5 43 52 45 41 54 45 deht2cdt1.CREATE
| 368: 20 49 4e 44 45 58 20 74 32 63 c4 20 4f 4e 20 74 INDEX t2c. ON t
| 384: 32 28 63 2c 64 29 28 05 06 17 01 11 11 3d 74 61 2(c,d)(......=ta
| 400: 6c 32 74 62 74 65 32 04 43 52 45 41 54 45 20 54 l2tbte2.CREATE T
| 416: 41 42 4c 45 20 74 33 28 63 2c 78 2c 65 2c 66 29 ABLE t3(c,x,e,f)
| 432: 28 02 06 17 11 11 01 3d 74 61 9e 93 65 74 32 74 (......=ta..et2t
| 448: 32 03 43 52 45 41 54 45 20 54 41 42 4c 45 20 74 2.CREATE TABLE t
| 464: 32 28 63 2c 64 2c 65 2c 66 29 24 01 06 17 11 11 2(c,d,e,f)$.....
| 480: 01 35 55 61 62 6c 88 74 31 74 31 02 43 52 45 41 .5Uabl.t1t1.CREA
| 496: 54 45 20 54 41 42 4c 45 20 74 31 28 61 2c 62 29 TE TABLE t1(a,b)
| page 2 offset 512
| 0: 0d 00 00 00 0d 25 00 01 cf 00 01 fa 01 f3 01 de .....%..........
| 16: 01 00 00 00 fd 00 00 0d 00 00 00 00 45 20 54 41 ............E TA
| 32: 42 4c 45 20 74 34 28 94 29 2a 06 06 17 13 11 01 BLE t4(.)*......
| 48: 3f 69 33 74 6e 65 78 78 74 64 33 ff 43 52 45 a0 ?i3tnexxtd3.CRE.
| 64: a0 a0 a0 a0 a0 a0 a0 a0 a0 a0 a0 a0 74 13 11 01 ............t...
| 80: 49 45 74 00 00 00 00 00 00 00 00 00 00 00 00 00 IEt.............
| end x.db
}]} {}
do_catchsql_test 11.1 {
DELETE FROM t3 WHERE x IN (SELECT x FROM t4);
} {1 {database disk image is malformed}}
finish_test