Add support for CREATE INDEX statements that use deterministic expressions

rather than only column names.

FossilOrigin-Name: 2131a5ca53f0e9b0b98a9dd9a20e495d54d146a7

diff --cc manifest
index ccdfa438a518504d814d0b2e9f09b87fe2e64255,c64c88ffa2b17bf5543f2bb8b5a488bf9fe5d407..2fb27499211c2b40a6073803aff8ae793a303e7e
--- 1/manifest
--- 2/manifest
+++ b/manifest
@@@ -1,5 -1,5 +1,5 @@@
- C Continue\sto\ssupport\sthe\s(broken)\slegacy\ssyntax\sof\sallowing\sstrings\sfor\ncolumn\snames\sin\sCREATE\sINDEX\sstatements\sand\sin\sUNIQUE\sand\sPRIMARY\sKEY\nconstraints.
- D 2015-09-04T12:54:01.394
 -C Merge\strunk\senhancements,\sand\sespeically\sthe\sfix\sfor\sallowing\sstrings\s\nas\scolumn\sidentifers\sin\sCREATE\sINDEX\sstatements.
 -D 2015-09-04T13:02:21.922
++C Add\ssupport\sfor\sCREATE\sINDEX\sstatements\sthat\suse\sdeterministic\sexpressions\nrather\sthan\sonly\scolumn\snames.
++D 2015-09-04T17:32:19.351
  F Makefile.arm-wince-mingw32ce-gcc d6df77f1f48d690bd73162294bbba7f59507c72f
  F Makefile.in f85066ce844a28b671aaeeff320921cd0ce36239
  F Makefile.linux-gcc 91d710bdc4998cb015f39edf3cb314ec4f4d7e23
@@@ -1382,7 -1383,7 +1383,8 @@@ F tool/vdbe_profile.tcl 67746953071a9f8
  F tool/warnings-clang.sh f6aa929dc20ef1f856af04a730772f59283631d4
  F tool/warnings.sh 48bd54594752d5be3337f12c72f28d2080cb630b
  F tool/win/sqlite.vsix deb315d026cc8400325c5863eef847784a219a2f
- P d648ddd93de039820f5abe064c7bc1318cd9d6b1
- R d6ad877a8d4dd88a7ffbb10ce1648f9a
 -P 1ab10cbf27245961b40eda1ce70f35646f0a9966 3d3df79bfaf9dbc7aa711c08a19d2f6dbe744b32
++P 3d3df79bfaf9dbc7aa711c08a19d2f6dbe744b32 5ff855293865c244ac632c630e8e7e8d7c05a5f6
+ R 46fafd1e16150312779d43bb23b81793
++T +closed 5ff855293865c244ac632c630e8e7e8d7c05a5f6
  U drh
- Z fa2f98c7a26d464055290dbf8522fd2e
 -Z 1a60e3fe37bc43a63ce49e32494691dc
++Z 4941f6208637da2261b21635bf7704d1

diff --cc manifest.uuid
index fac9e6626880451575887443a005b6504ab309a9,e25105880899562a498b406976514649bf5639f6..8d3663c4f365080d70b2ac78f6f45799793a42a0
--- 1/manifest.uuid
--- 2/manifest.uuid
+++ b/manifest.uuid
@@@ -1,1 -1,1 +1,1 @@@
- 3d3df79bfaf9dbc7aa711c08a19d2f6dbe744b32
 -5ff855293865c244ac632c630e8e7e8d7c05a5f6
++2131a5ca53f0e9b0b98a9dd9a20e495d54d146a7