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Initial checkin of the new boolean fulltext search code

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This commit is contained in:
serg@serg.mysql.com
2001-09-21 18:38:17 +02:00
parent c18a94f3d0
commit 57e4c8ef3b
7 changed files with 294 additions and 197 deletions
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32
sql/item_func.h
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@@ -863,30 +863,40 @@ public:
uint key;
bool join_key;
Item_func_match *master;
FT_DOCLIST *ft_handler;
void * ft_handler;
Item_func_match(List<Item> &a, Item *b): Item_real_func(b),
fields(a), table(0), join_key(0), master(0), ft_handler(0) {}
fields(a), table(0), join_key(0), master(0), ft_handler(0) {}
~Item_func_match()
{
if (!master)
if (!master && ft_handler)
{
if (ft_handler)
{
ft_close_search(ft_handler);
if(join_key)
table->file->ft_handler=0;
}
ft_handler_close();
if(join_key)
table->file->ft_handler=0;
}
}
const char *func_name() const { return "match"; }
virtual int ft_handler_init(const byte *key, uint keylen, bool presort)
{ return 1; }
virtual int ft_handler_close() { return 1; }
enum Functype functype() const { return FT_FUNC; }
void update_used_tables() {}
bool fix_fields(THD *thd,struct st_table_list *tlist);
bool eq(const Item *) const;
double val();
longlong val_int() { return val()!=0.0; }
bool fix_index();
void init_search(bool no_order);
};
class Item_func_match_nl :public Item_func_match
{
public:
Item_func_match_nl(List<Item> &a, Item *b): Item_func_match(a,b) {}
const char *func_name() const { return "match_NL"; }
double val();
int ft_handler_init(const byte *query, uint querylen, bool presort)
{ ft_handler=table->file->ft_init_ext(key, query, querylen, presort); }
int ft_handler_close() { ft_close_search(ft_handler); ft_handler=0; }
};