Add new SQL functions unicode() and char().

FossilOrigin-Name: be2493905281e12c7f4c146ab17c8872e52da350

diff --cc manifest
index 3a38438d6741ab52f69500cd350d27c14e1d89c6,6d27274c2beba6d133465b24c35c687c5f664e30..b7ed61fdcbbdc15dd1eb622c6df2e96233f6cfdb
--- 1/manifest
--- 2/manifest
+++ b/manifest
@@@ -1,5 -1,5 +1,5 @@@
- C Strengthen\sthe\sfinal\stest\scase\sin\sindex5.test.\s\sAlso\sprovide\sadditional\ndiagnostic\sinformation\sout\sthe\soutput.
- D 2013-02-25T13:55:59.837
 -C Two\snew\sSQL\sfunctions:\sunicode()\sand\schar().
 -D 2013-02-22T19:34:25.685
++C Add\snew\sSQL\sfunctions\sunicode()\sand\schar().
++D 2013-02-25T14:39:47.361
  F Makefile.arm-wince-mingw32ce-gcc d6df77f1f48d690bd73162294bbba7f59507c72f
  F Makefile.in a48faa9e7dd7d556d84f5456eabe5825dd8a6282
  F Makefile.linux-gcc 91d710bdc4998cb015f39edf3cb314ec4f4d7e23
@@@ -508,7 -508,7 +508,7 @@@ F test/fts4merge2.test 5faa558d1b672f82
  F test/fts4merge3.test aab02a09f50fe6baaddc2e159c3eabc116d45fc7
  F test/fts4unicode.test 25ccad45896f8e50f6a694cff738a35f798cdb40
  F test/full.test 6b3c8fb43c6beab6b95438c1675374b95fab245d
- F test/func.test 0d89043dab9a8853358d14c68e028ee0093bf066
 -F test/func.test 0ea54895539c0586e86e2dcea59b05cc9e7dd6b2
++F test/func.test dd81580d3e8f2afafdcc8dd67233f9b4fc69a79e
  F test/func2.test 772d66227e4e6684b86053302e2d74a2500e1e0f
  F test/func3.test 001021e5b88bd02a3b365a5c5fd8f6f49d39744a
  F test/fuzz-oss1.test 4912e528ec9cf2f42134456933659d371c9e0d74
@@@ -1035,7 -1034,10 +1035,7 @@@ F tool/vdbe-compress.tcl f12c884766bd14
  F tool/warnings-clang.sh f6aa929dc20ef1f856af04a730772f59283631d4
  F tool/warnings.sh fbc018d67fd7395f440c28f33ef0f94420226381
  F tool/win/sqlite.vsix 97894c2790eda7b5bce3cc79cb2a8ec2fde9b3ac
- P d87e5acf2802d2887e20f79a8bd4990b2cd47b91
- R eab578b1b57353b6c3cb7f5f6faef55f
 -P 9bd9bd9cab8c804c1a51d472199459176044a633
 -R 57460c96631f0b503379401f124964ab
 -T *branch * unicode-function
 -T *sym-unicode-function *
 -T -sym-trunk *
++P 47b6418242bb2cd718d1a73b0cb73a43ee74e503 209b21085b9767f10f6ffb7c7cac756fcb74ded5
++R acbb3126cf444e9dd94bf56c3bd8260d
  U drh
- Z 0e128646425d74587780af38946ae84f
 -Z ff410097880c23c389e99514cc7f5a15
++Z f91250c13344084844a40baa07a182ba

diff --cc manifest.uuid
index 232a450f127b143e37f3d22312c8b1cd16434640,a2ef64dc1959d122bb060411f681db5a2b67c902..d8624e02810ff2acaaceed4d570b5ee750e18fe4
--- 1/manifest.uuid
--- 2/manifest.uuid
+++ b/manifest.uuid
@@@ -1,1 -1,1 +1,1 @@@
- 47b6418242bb2cd718d1a73b0cb73a43ee74e503
 -209b21085b9767f10f6ffb7c7cac756fcb74ded5
++be2493905281e12c7f4c146ab17c8872e52da350

diff --cc test/func.test
index e44c44b2805dc8de6a3167a16dee536a2276bf13,3107e6df3f8023c55d12973585552c3bc51c333c..e45f961a733b05933ff84050c1a59fad91ab7965
--- 1/test/func.test
--- 2/test/func.test
+++ b/test/func.test
@@@ -1289,6 -1289,10 +1289,21 @@@ do_test func-29.6 
    if {$x<5} {set x 1}
    set x
  } {1}
-   
+ 
+ do_execsql_test func-30.1 {SELECT unicode('$');} 36
+ do_execsql_test func-30.2 {SELECT unicode('¢');} 162
+ do_execsql_test func-30.3 {SELECT unicode('€');} 8364
+ do_execsql_test func-30.4 {SELECT char(36,162,8364);} {$¢€}
+ 
++for {set i 1} {$i<0xd800} {incr i 13} {
++  do_execsql_test func-30.5.$i {SELECT unicode(char($i))} $i
++}
++for {set i 57344} {$i<=0xfffd} {incr i 17} {
++  if {$i==0xfeff} continue
++  do_execsql_test func-30.5.$i {SELECT unicode(char($i))} $i
++}
++for {set i 65536} {$i<=0x10ffff} {incr i 139} {
++  do_execsql_test func-30.5.$i {SELECT unicode(char($i))} $i
++}
 +
  finish_test