Postpone I/O associated with TEMP files for as long as possible, with the

hope that the I/O can ultimately be avoided completely.

FossilOrigin-Name: 9d0a5ae00273686ea35b43bc2ffaa8775c176363

diff --cc manifest
index 85cf27f2cedad49974b13936dbac40161a55abc6,1a928a99b5230079fd657e89608536f85977e3ee..79ea0c73d4b7c11c3819da8c4c7a923212daca62
--- 1/manifest
--- 2/manifest
+++ b/manifest
@@@ -1,5 -1,5 +1,5 @@@
- C Modify\sthe\spermutations.test\sscript\sso\sas\sto\sset\sany\spermutation\sspecific\sconfiguration\svalues\sbefore\srunning\seach\sindividual\stest\sscript.\sFix\sa\smostly\sharmless\sbuffer\soverread\sin\sthe\ssessions\smodule.
- D 2016-04-29T11:33:58.662
 -C Fix\stest\sscript\stemptable2.test\sso\sthat\sit\sworks\swith\sthe\s"inmemory_journal"\sand\s"journaltest"\spermutations.
 -D 2016-04-29T14:12:48.901
++C Postpone\sI/O\sassociated\swith\sTEMP\sfiles\sfor\sas\slong\sas\spossible,\swith\sthe\nhope\sthat\sthe\sI/O\scan\sultimately\sbe\savoided\scompletely.
++D 2016-04-29T15:39:48.423
  F Makefile.in 9e816d0323e418fbc0f8b2c05fc14e0b3763d9e8
  F Makefile.linux-gcc 7bc79876b875010e8c8f9502eb935ca92aa3c434
  F Makefile.msc 71b8b16cf9393f68e2e2035486ca104872558836
@@@ -1484,8 -1486,7 +1486,8 @@@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a9
  F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
  F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
  F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
- P 4792d6dbba6857f74d27332dcc1468e39c767c71 89b0ee3351381f7bc666cb206f77a56f2e0d4a0e
- R 96866ed68b53e21043adf38fe4b23f76
- T +closed 89b0ee3351381f7bc666cb206f77a56f2e0d4a0e
- U dan
- Z 9ea5c0c266312c18cafe76aed2353dcd
 -P 99794aca7b6cb40f08ce4db9889a989fc597eac9
++P 4cbd50245440e714935399a5c285cf32d8bfc424 b7bec7f2d3d08d0c14f77654be2c5cedf1619e58
+ R f9ef4e1af8653e902d9192ffb04cabc2
 -U dan
 -Z 5d059cb204727917e4a7564cbd5ed599
++T +closed b7bec7f2d3d08d0c14f77654be2c5cedf1619e58
++U drh
++Z 20681342134be4241c18925dab8e4f41

diff --cc manifest.uuid
index fd1017cb84e47c8c6dd791ea70e4583569595bda,db83d58f1b390b7d2f88b30c5d84261e4e9785d5..fc6b7bfe0572a3e23ab00484f2a1c5e1929e55af
--- 1/manifest.uuid
--- 2/manifest.uuid
+++ b/manifest.uuid
@@@ -1,1 -1,1 +1,1 @@@
- 4cbd50245440e714935399a5c285cf32d8bfc424
 -b7bec7f2d3d08d0c14f77654be2c5cedf1619e58
++9d0a5ae00273686ea35b43bc2ffaa8775c176363