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A fix of unions with duplicate rows and returning bug fix for lp:732124 union + limit returns wrong result

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This commit is contained in:
unknown 2013-06-26 13:17:27 +03:00
parent 68929e8e3f
commit e7606294b2
11 changed files with 34 additions and 34 deletions
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4
sql/opt_subselect.cc
View File

@ -5060,7 +5060,7 @@ public:
select_value_catcher(Item_subselect *item_arg)
:select_subselect(item_arg)
{}
bool send_data(List<Item> &items);
int send_data(List<Item> &items);
int setup(List<Item> *items);
bool assigned; /* TRUE <=> we've caught a value */
uint n_elements; /* How many elements we get */
@ -5088,7 +5088,7 @@ int select_value_catcher::setup(List<Item> *items)
}
bool select_value_catcher::send_data(List<Item> &items)
int select_value_catcher::send_data(List<Item> &items)
{
DBUG_ENTER("select_value_catcher::send_data");
DBUG_ASSERT(!assigned);

2
sql/sp_rcontext.cc
View File

@ -517,7 +517,7 @@ int sp_cursor::Select_fetch_into_spvars::prepare(List<Item> &fields,
}
bool sp_cursor::Select_fetch_into_spvars::send_data(List<Item> &items)
int sp_cursor::Select_fetch_into_spvars::send_data(List<Item> &items)
{
List_iterator_fast<sp_variable> spvar_iter(*spvar_list);
List_iterator_fast<Item> item_iter(items);

2
sql/sp_rcontext.h
View File

@ -433,7 +433,7 @@ private:
void set_spvar_list(List<sp_variable> *vars) { spvar_list= vars; }
virtual bool send_eof() { return FALSE; }
virtual bool send_data(List<Item> &items);
virtual int send_data(List<Item> &items);
virtual int prepare(List<Item> &list, SELECT_LEX_UNIT *u);
};

16
sql/sql_class.cc
View File

@ -2458,7 +2458,7 @@ void select_send::cleanup()
/* Send data to client. Returns 0 if ok */
bool select_send::send_data(List<Item> &items)
int select_send::send_data(List<Item> &items)
{
Protocol *protocol= thd->protocol;
DBUG_ENTER("select_send::send_data");
@ -2748,7 +2748,7 @@ select_export::prepare(List<Item> &list, SELECT_LEX_UNIT *u)
(int) (uchar) (x) == line_sep_char || \
!(x))
bool select_export::send_data(List<Item> &items)
int select_export::send_data(List<Item> &items)
{
DBUG_ENTER("select_export::send_data");
@ -3007,7 +3007,7 @@ select_dump::prepare(List<Item> &list __attribute__((unused)),
}
bool select_dump::send_data(List<Item> &items)
int select_dump::send_data(List<Item> &items)
{
List_iterator_fast<Item> li(items);
char buff[MAX_FIELD_WIDTH];
@ -3055,7 +3055,7 @@ select_subselect::select_subselect(Item_subselect *item_arg)
}
bool select_singlerow_subselect::send_data(List<Item> &items)
int select_singlerow_subselect::send_data(List<Item> &items)
{
DBUG_ENTER("select_singlerow_subselect::send_data");
Item_singlerow_subselect *it= (Item_singlerow_subselect *)item;
@ -3089,7 +3089,7 @@ void select_max_min_finder_subselect::cleanup()
}
bool select_max_min_finder_subselect::send_data(List<Item> &items)
int select_max_min_finder_subselect::send_data(List<Item> &items)
{
DBUG_ENTER("select_max_min_finder_subselect::send_data");
Item_maxmin_subselect *it= (Item_maxmin_subselect *)item;
@ -3206,7 +3206,7 @@ bool select_max_min_finder_subselect::cmp_str()
return (sortcmp(val1, val2, cache->collation.collation) < 0);
}
bool select_exists_subselect::send_data(List<Item> &items)
int select_exists_subselect::send_data(List<Item> &items)
{
DBUG_ENTER("select_exists_subselect::send_data");
Item_exists_subselect *it= (Item_exists_subselect *)item;
@ -3589,7 +3589,7 @@ Statement_map::~Statement_map()
my_hash_free(&st_hash);
}
bool select_dumpvar::send_data(List<Item> &items)
int select_dumpvar::send_data(List<Item> &items)
{
List_iterator_fast<my_var> var_li(var_list);
List_iterator<Item> it(items);
@ -3695,7 +3695,7 @@ void select_materialize_with_stats::cleanup()
@return FALSE on success
*/
bool select_materialize_with_stats::send_data(List<Item> &items)
int select_materialize_with_stats::send_data(List<Item> &items)
{
List_iterator_fast<Item> item_it(items);
Item *cur_item;

30
sql/sql_class.h
View File

@ -3466,7 +3466,7 @@ public:
send_data returns 0 on ok, 1 on error and -1 if data was ignored, for
example for a duplicate row entry written to a temp table.
*/
virtual bool send_data(List<Item> &items)=0;
virtual int send_data(List<Item> &items)=0;
virtual ~select_result_sink() {};
};
@ -3558,7 +3558,7 @@ public:
TABLE *dst_table; /* table to write into */
/* The following is called in the child thread: */
bool send_data(List<Item> &items);
int send_data(List<Item> &items);
};
@ -3593,7 +3593,7 @@ class select_send :public select_result {
public:
select_send() :is_result_set_started(FALSE) {}
bool send_result_set_metadata(List<Item> &list, uint flags);
bool send_data(List<Item> &items);
int send_data(List<Item> &items);
bool send_eof();
virtual bool check_simple_select() const { return FALSE; }
void abort_result_set();
@ -3656,7 +3656,7 @@ public:
select_export(sql_exchange *ex) :select_to_file(ex) {}
~select_export();
int prepare(List<Item> &list, SELECT_LEX_UNIT *u);
bool send_data(List<Item> &items);
int send_data(List<Item> &items);
};
@ -3664,7 +3664,7 @@ class select_dump :public select_to_file {
public:
select_dump(sql_exchange *ex) :select_to_file(ex) {}
int prepare(List<Item> &list, SELECT_LEX_UNIT *u);
bool send_data(List<Item> &items);
int send_data(List<Item> &items);
};
@ -3683,7 +3683,7 @@ class select_insert :public select_result_interceptor {
~select_insert();
int prepare(List<Item> &list, SELECT_LEX_UNIT *u);
virtual int prepare2(void);
virtual bool send_data(List<Item> &items);
virtual int send_data(List<Item> &items);
virtual void store_values(List<Item> &values);
virtual bool can_rollback_data() { return 0; }
void send_error(uint errcode,const char *err);
@ -3866,7 +3866,7 @@ public:
select_union() :write_err(0), table(0), records(0) { tmp_table_param.init(); }
int prepare(List<Item> &list, SELECT_LEX_UNIT *u);
bool send_data(List<Item> &items);
int send_data(List<Item> &items);
bool send_eof();
bool flush();
void cleanup();
@ -3885,7 +3885,7 @@ protected:
Item_subselect *item;
public:
select_subselect(Item_subselect *item);
bool send_data(List<Item> &items)=0;
int send_data(List<Item> &items)=0;
bool send_eof() { return 0; };
};
@ -3896,7 +3896,7 @@ public:
select_singlerow_subselect(Item_subselect *item_arg)
:select_subselect(item_arg)
{}
bool send_data(List<Item> &items);
int send_data(List<Item> &items);
};
@ -3946,7 +3946,7 @@ public:
bool bit_fields_as_long,
bool create_table);
bool init_result_table(ulonglong select_options);
bool send_data(List<Item> &items);
int send_data(List<Item> &items);
void cleanup();
ha_rows get_null_count_of_col(uint idx)
{
@ -3980,7 +3980,7 @@ public:
:select_subselect(item_arg), cache(0), fmax(mx), is_all(all)
{}
void cleanup();
bool send_data(List<Item> &items);
int send_data(List<Item> &items);
bool cmp_real();
bool cmp_int();
bool cmp_decimal();
@ -3993,7 +3993,7 @@ class select_exists_subselect :public select_subselect
public:
select_exists_subselect(Item_subselect *item_arg)
:select_subselect(item_arg){}
bool send_data(List<Item> &items);
int send_data(List<Item> &items);
};
@ -4245,7 +4245,7 @@ public:
multi_delete(TABLE_LIST *dt, uint num_of_tables);
~multi_delete();
int prepare(List<Item> &list, SELECT_LEX_UNIT *u);
bool send_data(List<Item> &items);
int send_data(List<Item> &items);
bool initialize_tables (JOIN *join);
void send_error(uint errcode,const char *err);
int do_deletes();
@ -4293,7 +4293,7 @@ public:
enum_duplicates handle_duplicates, bool ignore);
~multi_update();
int prepare(List<Item> &list, SELECT_LEX_UNIT *u);
bool send_data(List<Item> &items);
int send_data(List<Item> &items);
bool initialize_tables (JOIN *join);
void send_error(uint errcode,const char *err);
int do_updates();
@ -4336,7 +4336,7 @@ public:
select_dumpvar() { var_list.empty(); row_count= 0;}
~select_dumpvar() {}
int prepare(List<Item> &list, SELECT_LEX_UNIT *u);
bool send_data(List<Item> &items);
int send_data(List<Item> &items);
bool send_eof();
virtual bool check_simple_select() const;
void cleanup();

2
sql/sql_delete.cc
View File

@ -759,7 +759,7 @@ multi_delete::~multi_delete()
}
bool multi_delete::send_data(List<Item> &values)
int multi_delete::send_data(List<Item> &values)
{
int secure_counter= delete_while_scanning ? -1 : 0;
TABLE_LIST *del_table;

2
sql/sql_insert.cc
View File

@ -3537,7 +3537,7 @@ select_insert::~select_insert()
}
bool select_insert::send_data(List<Item> &values)
int select_insert::send_data(List<Item> &values)
{
DBUG_ENTER("select_insert::send_data");
bool error=0;

4
sql/sql_prepare.cc
View File

@ -126,7 +126,7 @@ class Select_fetch_protocol_binary: public select_send
public:
Select_fetch_protocol_binary(THD *thd);
virtual bool send_result_set_metadata(List<Item> &list, uint flags);
virtual bool send_data(List<Item> &items);
virtual int send_data(List<Item> &items);
virtual bool send_eof();
#ifdef EMBEDDED_LIBRARY
void begin_dataset()
@ -3057,7 +3057,7 @@ bool Select_fetch_protocol_binary::send_eof()
}
bool
int
Select_fetch_protocol_binary::send_data(List<Item> &fields)
{
Protocol *save_protocol= thd->protocol;

2
sql/sql_show.cc
View File

@ -2367,7 +2367,7 @@ void Show_explain_request::call_in_target_thread()
}
bool select_result_explain_buffer::send_data(List<Item> &items)
int select_result_explain_buffer::send_data(List<Item> &items)
{
int res;
THD *cur_thd= current_thd;

2
sql/sql_union.cc
View File

@ -52,7 +52,7 @@ int select_union::prepare(List<Item> &list, SELECT_LEX_UNIT *u)
}
bool select_union::send_data(List<Item> &values)
int select_union::send_data(List<Item> &values)
{
if (unit->offset_limit_cnt)
{ // using limit offset,count

2
sql/sql_update.cc
View File

@ -1829,7 +1829,7 @@ multi_update::~multi_update()
}
bool multi_update::send_data(List<Item> &not_used_values)
int multi_update::send_data(List<Item> &not_used_values)
{
TABLE_LIST *cur_table;
DBUG_ENTER("multi_update::send_data");