Merge the write-ahead-logging changes into the trunk.

FossilOrigin-Name: de9ae443cc8eebfb0692dcdac93bde9e4c54199a

diff --cc manifest
index 54756b342fb7f2dcebb27ed1226b3574f2a320fa,cbf0c5ef1ae3fd9676578fe7245a698dec0ac8a0..bfddf2117960f867d3a4770f038c762eb83e3895
--- 1/manifest
--- 2/manifest
+++ b/manifest
@@@ -1,10 -1,7 +1,10 @@@
 -C If\sthe\ssqlite3_wal_checkpoint()\sAPI\sis\spassed\sa\sNULL\spointer\sin\splace\sof\sa\sdatabase\sname,\sattempt\sto\scheckpoint\sall\sattached\sdatabases.
 -D 2010-05-03T14:05:43
 +-----BEGIN PGP SIGNED MESSAGE-----
 +Hash: SHA1
 +
- C Avoid\sassertion\sfaults\sin\squeries\susing\sindices\swith\sredundant\scolumns.\nTicket\s[3dbdcdb14e7f41].
- D 2010-04-30T21:03:24
++C Merge\sthe\swrite-ahead-logging\schanges\sinto\sthe\strunk.
++D 2010-05-03T14:08:28
  F Makefile.arm-wince-mingw32ce-gcc fcd5e9cd67fe88836360bb4f9ef4cb7f8e2fb5a0
- F Makefile.in 4f2f967b7e58a35bb74fb7ec8ae90e0f4ca7868b
+ F Makefile.in d83a0ffef3dcbfb08b410a6c6dd6c009ec9167fb
  F Makefile.linux-gcc d53183f4aa6a9192d249731c90dbdffbd2c68654
  F Makefile.vxworks ab005d301296c40e021ccd0133ce49ca811e319f
  F README cd04a36fbc7ea56932a4052d7d0b7f09f27c33d6
@@@ -801,14 -808,7 +811,14 @@@ F tool/speedtest2.tcl ee2149167303ba8e9
  F tool/speedtest8.c 2902c46588c40b55661e471d7a86e4dd71a18224
  F tool/speedtest8inst1.c 293327bc76823f473684d589a8160bde1f52c14e
  F tool/vdbe-compress.tcl d70ea6d8a19e3571d7ab8c9b75cba86d1173ff0f
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+ R 496e930fc5a775a552ace6c40959352e
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 +U drh
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diff --cc manifest.uuid
index d3d05c9085cba8e3ae10fd2e869722d8afe8ff1d,c42491a7d56220ef12a52a0ef453c15acf4c07ce..c412be269d90d998079d0d676544e53c3a121c6b
--- 1/manifest.uuid
--- 2/manifest.uuid
+++ b/manifest.uuid
@@@ -1,1 -1,1 +1,1 @@@
- 946e06cd2a2cc209b0786b7e9d28c0746320d646
 -27a5c09ce8a35039d844d08cfe5698e8b438abfe
++de9ae443cc8eebfb0692dcdac93bde9e4c54199a