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, 18 insertions, 17 deletions

diff --git a/include/ft_global.h b/include/ft_global.h
index b6f33ec801b..8588684907d 100644
--- a/include/ft_global.h
+++ b/include/ft_global.h
@@ -29,17 +29,21 @@ extern "C" {
 #define FT_QUERY_MAXLEN 1024
 #define HA_FT_MAXLEN 254
 
-typedef struct ft_doc_rec {
-  my_off_t  dpos;
-  double    weight;
-} FT_DOC;
-
-typedef struct st_ft_doclist {
-  int       ndocs;
-  int       curdoc;
-  void      *info;  /* actually (MI_INFO *) but don't want to include myisam.h */
-  FT_DOC    doc[1];
-} FT_DOCLIST;
+typedef struct st_ft_info FT_INFO;
+struct _ft_vft {
+  int       (*read_next)(FT_INFO *, char *);
+  float     (*find_relevance)(FT_INFO *, my_off_t);
+  void      (*close_search)(FT_INFO *);
+  float     (*get_relevance)(FT_INFO *);
+  my_off_t  (*get_docid)(FT_INFO *);
+  void      (*reinit_search)(FT_INFO *);
+};
+
+#ifndef FT_CORE
+struct st_ft_info {
+  struct _ft_vft *please; /* INTERCAL style :-) */
+};
+#endif
 
 extern const char *ft_precompiled_stopwords[];
 
@@ -50,12 +54,9 @@ extern uint ft_max_word_len_for_sort;
 int ft_init_stopwords(const char **);
 void ft_free_stopwords(void);
 
-FT_DOCLIST * ft_nlq_init_search(void *, uint, byte *, uint, my_bool);
-int          ft_nlq_read_next(FT_DOCLIST *, char *);
-#define      ft_nlq_close_search(handler)    my_free(((gptr)(handler)),MYF(0))
-#define      ft_nlq_get_relevance(handler)   (((FT_DOCLIST *)(handler))->doc[((FT_DOCLIST *)(handler))->curdoc].weight)
-#define      ft_nlq_get_docid(handler)       (((FT_DOCLIST *)(handler))->doc[((FT_DOCLIST *)(handler))->curdoc].dpos)
-#define      ft_nlq_reinit_search(handler)   (((FT_DOCLIST *)(handler))->curdoc=-1)
+#define FT_NL  0
+#define FT_BOOL 1
+FT_INFO *ft_init_search(uint,void *, uint, byte *, uint, my_bool);
 
 #ifdef  __cplusplus
 }