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Merge chunk from trunk.

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This commit is contained in:
Chad MILLER
2008-07-10 14:47:53 -04:00
parent 93aba6a883 ac15eee942
commit 06756c19c5
379 changed files with 28819 additions and 5415 deletions
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44
sql/sql_class.h
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@ -1920,6 +1920,7 @@ class select_result :public Sql_alloc {
protected:
THD *thd;
SELECT_LEX_UNIT *unit;
uint nest_level;
public:
select_result();
virtual ~select_result() {};
@ -1956,6 +1957,12 @@ public:
*/
virtual void cleanup();
void set_thd(THD *thd_arg) { thd= thd_arg; }
/**
The nest level, if supported.
@return
-1 if nest level is undefined, otherwise a positive integer.
*/
int get_nest_level() { return nest_level; }
#ifdef EMBEDDED_LIBRARY
virtual void begin_dataset() {}
#else
@ -2042,7 +2049,14 @@ class select_export :public select_to_file {
bool is_unsafe_field_sep;
bool fixed_row_size;
public:
select_export(sql_exchange *ex) :select_to_file(ex) {}
/**
Creates a select_export to represent INTO OUTFILE <filename> with a
defined level of subquery nesting.
*/
select_export(sql_exchange *ex, uint nest_level_arg) :select_to_file(ex)
{
nest_level= nest_level_arg;
}
~select_export();
int prepare(List<Item> &list, SELECT_LEX_UNIT *u);
bool send_data(List<Item> &items);
@ -2051,7 +2065,15 @@ public:
class select_dump :public select_to_file {
public:
select_dump(sql_exchange *ex) :select_to_file(ex) {}
/**
Creates a select_export to represent INTO DUMPFILE <filename> with a
defined level of subquery nesting.
*/
select_dump(sql_exchange *ex, uint nest_level_arg) :
select_to_file(ex)
{
nest_level= nest_level_arg;
}
int prepare(List<Item> &list, SELECT_LEX_UNIT *u);
bool send_data(List<Item> &items);
};
@ -2062,17 +2084,17 @@ class select_insert :public select_result_interceptor {
TABLE_LIST *table_list;
TABLE *table;
List<Item> *fields;
ulonglong last_insert_id;
ulonglong autoinc_value_of_last_inserted_row; // not autogenerated
ulonglong autoinc_value_of_first_inserted_row; // autogenerated
COPY_INFO info;
bool insert_into_view;
bool is_bulk_insert_mode;
select_insert(TABLE_LIST *table_list_par,
TABLE *table_par, List<Item> *fields_par,
List<Item> *update_fields, List<Item> *update_values,
enum_duplicates duplic, bool ignore);
~select_insert();
int prepare(List<Item> &list, SELECT_LEX_UNIT *u);
int prepare2(void);
virtual int prepare2(void);
bool send_data(List<Item> &items);
virtual void store_values(List<Item> &values);
void send_error(uint errcode,const char *err);
@ -2107,6 +2129,7 @@ public:
void send_error(uint errcode,const char *err);
bool send_eof();
void abort();
int prepare2(void) { return 0; }
};
#include <myisam.h>
@ -2468,7 +2491,16 @@ class select_dumpvar :public select_result_interceptor {
ha_rows row_count;
public:
List<my_var> var_list;
select_dumpvar() { var_list.empty(); row_count= 0;}
/**
Creates a select_dumpvar to represent INTO <variable> with a defined
level of subquery nesting.
*/
select_dumpvar(uint nest_level_arg)
{
var_list.empty();
row_count= 0;
nest_level= nest_level_arg;
}
~select_dumpvar() {}
int prepare(List<Item> &list, SELECT_LEX_UNIT *u);
bool send_data(List<Item> &items);