Boolean search passes _some_ tests

sql/ha_myisam.cc:
  One more abstraction layer added (C++ emulated in C :).
include/ft_global.h:
  boolean search code plugged in
mysql-test/r/fulltext_cache.result:
  boolean search code plugged in
mysql-test/r/fulltext_left_join.result:
  boolean search code plugged in
mysql-test/r/fulltext_multi.result:
  boolean search code plugged in
mysql-test/r/fulltext_order_by.result:
  boolean search code plugged in
sql/lex.h:
  IN BOOLEAN MODE syntax
myisam/ft_nlq_search.c:
  boolean search code plugged in
myisam/ftdefs.h:
  boolean search code plugged in
sql/ha_myisam.h:
  boolean search code plugged in
sql/handler.h:
  boolean search code plugged in
include/my_base.h:
  do_not_sort_keyseg feature for MyISAM
include/my_global.h:
  #define comp(a,b) (((a) < (b)) ? -1 : ((a) > (b)) ? 1 : 0)
myisam/ft_boolean_search.c:
  bugfixing
myisam/ft_parser.c:
  cleanup
myisam/ft_static.c:
  do_not_sort_keyseg feature for MyISAM
myisam/mi_search.c:
  do_not_sort_keyseg feature for MyISAM
myisam/mi_write.c:
  cleanup
mysql-test/t/fulltext.test:
  boolean search tests added
BitKeeper/etc/ignore:
  Added myisam/FT1.MYD myisam/FT1.MYI to the ignore list
sql/item_func.cc:
  boolean search
sql/item_func.h:
  boolean search
sql/sql_yacc.yy:
  boolean search

1 files changed, 20 insertions, 1 deletions

diff --git a/myisam/ft_static.c b/myisam/ft_static.c
index 09afadec23f..494d7638d67 100644
--- a/myisam/ft_static.c
+++ b/myisam/ft_static.c
@@ -43,10 +43,29 @@ const MI_KEYSEG ft_keysegs[FT_SEGS]={
   },
 #endif /* EVAL_RUN */
   {
-      HA_FT_WTYPE, 7, 0, 0, 0, 0, HA_FT_WLEN, 0, 0, NULL
+      HA_FT_WTYPE, 7, 0, 0, 0, HA_NO_SORT, HA_FT_WLEN, 0, 0, NULL
   }
 };
 
+const struct _ft_vft _ft_vft_nlq = {
+  ft_nlq_read_next, ft_nlq_find_relevance, ft_nlq_close_search,
+  ft_nlq_get_relevance,  ft_nlq_get_docid, ft_nlq_reinit_search
+};
+const struct _ft_vft _ft_vft_boolean = {
+  ft_boolean_read_next, ft_boolean_find_relevance, ft_boolean_close_search,
+  ft_boolean_get_relevance,  ft_boolean_get_docid, ft_boolean_reinit_search
+};
+
+FT_INFO *(*_ft_init_vft[2])(MI_INFO *, uint, byte *, uint, my_bool) =
+{ ft_init_nlq_search, ft_init_boolean_search };
+
+FT_INFO *ft_init_search(uint mode, void *info, uint keynr,
+    byte *query, uint query_len, my_bool presort)
+{
+  return (*_ft_init_vft[mode])((MI_INFO *)info, keynr,
+          query, query_len, presort);
+}
+
 const char *ft_precompiled_stopwords[] = {
 
 #ifdef COMPILE_STOPWORDS_IN