Immprove the query planner such that it is able to make use of indexed

expressions within an aggregate query with GROUP BY.  This implements
enhancement request [99378177930f87bd].

FossilOrigin-Name: b9190d3da70c41717eb188474fd225ee43d0b46646e1b03de5967bd332553870

diff --cc manifest
index 64d80c2f59aafb0d9d04699903747cbf4b60325a,728b14b688d92ec26345b76fcc4dd018e036dbcc..76e28676a0682ad5186c5034217875b62f7ee3a4
--- 1/manifest
--- 2/manifest
+++ b/manifest
@@@ -1,5 -1,5 +1,5 @@@
- C Add\srestriction\s(9)\sto\sthe\spush-down\soptimization:\s\sIf\sthe\ssubquery\sis\na\scompound\sthen\sall\sarms\sof\sthe\scompound\smust\shave\sthe\ssame\saffinity.\ndbsqlfuzz\s3a548de406a50e896c1bf7142692d35d339d697f.
- D 2022-11-25T15:52:00.241
 -C Remove\sa\sredundant\sassert()\sstatement.
 -D 2022-11-25T13:26:51.747
++C Immprove\sthe\squery\splanner\ssuch\sthat\sit\sis\sable\sto\smake\suse\sof\sindexed\nexpressions\swithin\san\saggregate\squery\swith\sGROUP\sBY.\s\sThis\simplements\nenhancement\srequest\s[99378177930f87bd].
++D 2022-11-25T16:10:48.068
  F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
  F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
  F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
@@@ -641,7 -641,7 +641,7 @@@ F src/printf.c e99ee9741e79ae3873458146
  F src/random.c 606b00941a1d7dd09c381d3279a058d771f406c5213c9932bbd93d5587be4b9c
  F src/resolve.c efea4e5fbecfd6d0a9071b0be0d952620991673391b6ffaaf4c277b0bb674633
  F src/rowset.c ba9515a922af32abe1f7d39406b9d35730ed65efab9443dc5702693b60854c92
- F src/select.c bafe6424e942aad558b2d4be8dbcf5e35ce427ce3cf66d7f0c0ac37c366b00c6
 -F src/select.c f29c90b07067263139fa08f266860ba0877f7a1398775572c3996d3b67c2fe6e
++F src/select.c 7dcab394efe24c6016c6ed7958d426bfcdef57f50c2520dcccda27d9df28fdb6
  F src/shell.c.in 09cb15d7421c475f2d308f6a4312d8d690916ea5cb62ea1618f2f4ce5703af35
  F src/sqlite.h.in 100fc660c2f19961b8ed8437b9d53d687de2f8eb2b96437ec6da216adcb643ca
  F src/sqlite3.rc 5121c9e10c3964d5755191c80dd1180c122fc3a8
@@@ -2059,8 -2060,8 +2060,9 @@@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a9
  F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
  F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
  F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
- P a2b6883ac2ef878f525ee847b170beb9f9ab9d1fa67557101be2cdae1e7f7a57
- R 9c0acbc69bb427be679e111e4ec839ec
 -P d2844f577b69fdc16a0a2568c0958fc3d8aff33e9a0ef80e0f58e92f01097432
 -R b674915df2317c83a8051b3fae0cee5f
++P 1ad41840c5e0fa702ba2c0df77a3ea126bd695b910b5d1271fa3129c38c58f5f e3e1b453dc47884ddc9e51c4302fa2f4d40bca3d69ac7c13d8e2ae1adc81ac56
++R eb048b7302ca70762f9994708c895609
++T +closed e3e1b453dc47884ddc9e51c4302fa2f4d40bca3d69ac7c13d8e2ae1adc81ac56
  U drh
- Z ae1fb8eb841aaf444344209ddd2c7ea7
 -Z 8a9f5f62db508168a49cc0d82c6f6183
++Z 6fdb43be076439dd6a7f7f9247393df9
  # Remove this line to create a well-formed Fossil manifest.

diff --cc manifest.uuid
index 4e3e4aa9d942a5abcf10d8fdf383b7bbc10572e3,d164374f8741ca8bb0ceb642b6423a24d80fb38c..ff7ccc702c75e673959c63c8d92f60a3a898cb63
--- 1/manifest.uuid
--- 2/manifest.uuid
+++ b/manifest.uuid
@@@ -1,1 -1,1 +1,1 @@@
- 1ad41840c5e0fa702ba2c0df77a3ea126bd695b910b5d1271fa3129c38c58f5f
 -e3e1b453dc47884ddc9e51c4302fa2f4d40bca3d69ac7c13d8e2ae1adc81ac56
++b9190d3da70c41717eb188474fd225ee43d0b46646e1b03de5967bd332553870

diff --cc src/select.c
Simple merge