Use a logarithmic rather than linear cost and row-count measures.

Do not report row count estimates in EQP output.

FossilOrigin-Name: b777b1097dcf9dfeb1b86c71e1b5f6918d68c975

diff --cc manifest
index d8a42f44d67c42340336b654ba9454ef1e998855,6c5cbae82b8fc334122285ad8364257175735d56..f2ea8783ae969f4fe972c8e029ec66ea75d4ce03
--- 1/manifest
--- 2/manifest
+++ b/manifest
@@@ -1,5 -1,5 +1,5 @@@
- C Simplification\sand\sperformance\stweak\sto\sthe\shigh-speed\sNGQP\sbypass.
- D 2013-06-10T14:56:25.426
 -C Fixes\sto\sEXPLAIN\sQUERY\sPLAN\soutput.\s\sChange\sweights\sback\sto\ssomething\scloser\nto\swhat\sthey\sare\sin\slegacy.\s\sMore\stest\scase\sfixes.
 -D 2013-06-11T02:32:50.482
++C Use\sa\slogarithmic\srather\sthan\slinear\scost\sand\srow-count\smeasures.\nDo\snot\sreport\srow\scount\sestimates\sin\sEQP\soutput.
++D 2013-06-11T02:36:41.347
  F Makefile.arm-wince-mingw32ce-gcc d6df77f1f48d690bd73162294bbba7f59507c72f
  F Makefile.in 5e41da95d92656a5004b03d3576e8b226858a28e
  F Makefile.linux-gcc 91d710bdc4998cb015f39edf3cb314ec4f4d7e23
@@@ -1093,8 -1093,9 +1093,9 @@@ F tool/tostr.awk e75472c2f98dd76e06b8c9
  F tool/vdbe-compress.tcl f12c884766bd14277f4fcedcae07078011717381
  F tool/warnings-clang.sh f6aa929dc20ef1f856af04a730772f59283631d4
  F tool/warnings.sh fbc018d67fd7395f440c28f33ef0f94420226381
+ F tool/wherecosttest.c 4d0393bdbe7230adb712e925863744dd2b7ffc5b
  F tool/win/sqlite.vsix 97894c2790eda7b5bce3cc79cb2a8ec2fde9b3ac
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diff --cc manifest.uuid
index 36d513545978b67bc109c97bfc013db3654e160d,5783c7e87f07b7fddbc8eb743a00a5b24af9d2cc..06a0d20b6cc9246e5a2add5e33ea5075e5affe23
--- 1/manifest.uuid
--- 2/manifest.uuid
+++ b/manifest.uuid
@@@ -1,1 -1,1 +1,1 @@@
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