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Update obsolete text in the ICU README.txt file talking about SQLite's

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robustness (or lack thereof) in the face of corrupt database files.

FossilOrigin-Name: dc88fc62f096bcf4df91406f565197f335333388121f860ba4424d9c881b0117
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drh 2022-03-05 11:57:28 +00:00
parent ff55da360d
commit 768ab1f296
3 changed files with 11 additions and 17 deletions
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14
ext/icu/README.txt
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@ -153,18 +153,12 @@ SQLite. Documentation follows.
the ICU extension LIKE operator is 50000, defined in source
file "icu.c".
3.3 Collation Sequence Security Issue
3.3 Collation Sequence Security
Internally, SQLite assumes that indices stored in database files
are sorted according to the collation sequence indicated by the
SQL schema. Changing the definition of a collation sequence after
an index has been built is therefore equivalent to database
corruption. The SQLite library is not very well tested under
these conditions, and may contain potential buffer overruns
or other programming errors that could be exploited by a malicious
programmer.
If the ICU extension is used in an environment where potentially
malicious users may execute arbitrary SQL (i.e. gears), they
should be prevented from invoking the icu_load_collation() function,
possibly using the authorisation callback.
corruption. The SQLite library is well tested for robustness in
the fact of database corruption. Database corruption may well
lead to incorrect answers, but should not cause memory errors.

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manifest
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@ -1,5 +1,5 @@
C Do\stry\sto\sevaluate\sthe\sBloom\sfilter\son\sa\sLEFT\sJOIN\searly,\sas\sdoing\sso\nessentially\sconverts\sit\sinto\san\sINNER\sJOIN.\s\sSee\n[forum:/forumpost/544af7eee2|forum\sthread\s544af7eee2].
D 2022-03-04T20:54:09.487
C Update\sobsolete\stext\sin\sthe\sICU\sREADME.txt\sfile\stalking\sabout\sSQLite's\nrobustness\s(or\slack\sthereof)\sin\sthe\sface\sof\scorrupt\sdatabase\sfiles.
D 2022-03-05T11:57:28.075
F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
@ -237,7 +237,7 @@ F ext/fts5/tool/fts5txt2db.tcl c0d43c8590656f8240e622b00957b3a0facc49482411a9fdc
F ext/fts5/tool/loadfts5.tcl 95b03429ee6b138645703c6ca192c3ac96eaf093
F ext/fts5/tool/mkfts5c.tcl 3eba8e9bee4221ed165f3304b51b2a74a705f4ec5df3d044573a2be539534af8
F ext/fts5/tool/showfts5.tcl d54da0e067306663e2d5d523965ca487698e722c
F ext/icu/README.txt 1c48ffaf7f255bd73d00a35f68f6de357c2a6594f16cb00506a151be23694706
F ext/icu/README.txt 7ab7ced8ae78e3a645b57e78570ff589d4c672b71370f5aa9e1cd7024f400fc9
F ext/icu/icu.c 91c021c7e3e8bbba286960810fa303295c622e323567b2e6def4ce58e4466e60
F ext/icu/sqliteicu.h fa373836ed5a1ee7478bdf8a1650689294e41d0c89c1daab26e9ae78a32075a8
F ext/lsm1/Makefile a553b728bba6c11201b795188c5708915cc4290f02b7df6ba7e8c4c943fd5cd9
@ -1944,8 +1944,8 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
P 31e1bde4b20bec4242b4101adad29bfa85648ea703d6e8c5c75e8c49b54a3a0f
R ad552847ccd96e978367f3230e28420d
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R 632afad4f960b20a23d678e1a540eb43
U drh
Z ad96c30e3eedda5fc4e20235f373b88a
Z 317b33796bdbec5f162d2e98c6d11372
# Remove this line to create a well-formed Fossil manifest.

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dc88fc62f096bcf4df91406f565197f335333388121f860ba4424d9c881b0117