Add the index_xinfo pragma which gives information about the fields that

reference the table PRIMARY KEY in addition to the index key fields.
Add extra columns "desc", "coll", and "key" to the index_info and index_xinfo
pragmas.  Add the "origin" and "partial" columns to the index_list pragma.

FossilOrigin-Name: 2743846cdba572f616f56d310633703b8b50959e

diff --cc manifest
index a6ffc54bbf04455c77488f4b300af6b5f31e13a3,a971e309c7ebb2608c73d0f27c560de1f8d4d61f..cd3073554943a8d0b138687ce04149c8687ff768
--- 1/manifest
--- 2/manifest
+++ b/manifest
@@@ -1,5 -1,5 +1,5 @@@
- C Fix\sa\smissing\smutex\sin\sSQLITE_TESTCTRL_IMPOSTER.
- D 2015-02-04T20:56:49.607
 -C Merge\sall\srecent\strunk\schanges,\sincluding\sthe\smovement\sof\sthe\spragma\ntable\sinto\sthe\sseparate\spragma.h\sheader\sfile.
 -D 2015-02-04T23:13:48.687
++C Add\sthe\sindex_xinfo\spragma\swhich\sgives\sinformation\sabout\sthe\sfields\sthat\nreference\sthe\stable\sPRIMARY\sKEY\sin\saddition\sto\sthe\sindex\skey\sfields.\nAdd\sextra\scolumns\s"desc",\s"coll",\sand\s"key"\sto\sthe\sindex_info\sand\sindex_xinfo\npragmas.\s\sAdd\sthe\s"origin"\sand\s"partial"\scolumns\sto\sthe\sindex_list\spragma.
++D 2015-02-06T01:07:15.913
  F Makefile.arm-wince-mingw32ce-gcc d6df77f1f48d690bd73162294bbba7f59507c72f
  F Makefile.in 6b9e7677829aa94b9f30949656e27312aefb9a46
  F Makefile.linux-gcc 91d710bdc4998cb015f39edf3cb314ec4f4d7e23
@@@ -1239,7 -1239,7 +1239,8 @@@ F tool/vdbe_profile.tcl 67746953071a9f8
  F tool/warnings-clang.sh f6aa929dc20ef1f856af04a730772f59283631d4
  F tool/warnings.sh 0abfd78ceb09b7f7c27c688c8e3fe93268a13b32
  F tool/win/sqlite.vsix deb315d026cc8400325c5863eef847784a219a2f
- P f30a057aeeac2b863493b6325325b075a76b9d21
- R 7062d08c73f32c9ecf1fbd0a908460e5
 -P 30f51d7b3b292191e8351223242e708bb7f3dfa6 71691c4be54b9ac6a35e35013f939b7d6fd4e6b8
++P 71691c4be54b9ac6a35e35013f939b7d6fd4e6b8 3af19f84446ba5fc1ed754d0d73f6a6d7fb2f365
+ R 378ae50354305236538b7809f97882cb
++T +closed 3af19f84446ba5fc1ed754d0d73f6a6d7fb2f365
  U drh
- Z 50e6879801fe010f0d0350ec5e4483dd
 -Z 0caaf9e8578eb01b04939eddfffb5b67
++Z 9e4d57322f408f6027b92b8bd8c22512

diff --cc manifest.uuid
index c2bb1d10ac873370be7438ab312a63ed769c7a31,28c1161b98dfc82c276e643304255854679596b6..61e3ef24f0b37aabbf45ee9bec96fd1685c38fe8
--- 1/manifest.uuid
--- 2/manifest.uuid
+++ b/manifest.uuid
@@@ -1,1 -1,1 +1,1 @@@
- 71691c4be54b9ac6a35e35013f939b7d6fd4e6b8
 -3af19f84446ba5fc1ed754d0d73f6a6d7fb2f365
++2743846cdba572f616f56d310633703b8b50959e