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mirror of https://github.com/MariaDB/server.git synced 2025-07-30 16:24:05 +03:00
This commit is contained in:
bell@sanja.is.com.ua
2002-10-04 14:15:59 +03:00
49 changed files with 1329 additions and 834 deletions

View File

@ -384,6 +384,28 @@ CHANGED_TABLE_LIST* THD::changed_table_dup(const char *key, long key_length)
return new_table;
}
int THD::send_explain_fields(select_result *result)
{
List<Item> field_list;
Item *item;
field_list.push_back(new Item_int("id",0,3));
field_list.push_back(new Item_empty_string("select_type",19));
field_list.push_back(new Item_empty_string("table",NAME_LEN));
field_list.push_back(new Item_empty_string("type",10));
field_list.push_back(item=new Item_empty_string("possible_keys",
NAME_LEN*MAX_KEY));
item->maybe_null=1;
field_list.push_back(item=new Item_empty_string("key",NAME_LEN));
item->maybe_null=1;
field_list.push_back(item=new Item_int("key_len",0,3));
item->maybe_null=1;
field_list.push_back(item=new Item_empty_string("ref",
NAME_LEN*MAX_REF_PARTS));
item->maybe_null=1;
field_list.push_back(new Item_real("rows",0.0,0,10));
field_list.push_back(new Item_empty_string("Extra",255));
return (result->send_fields(field_list,1));
}
#ifdef SIGNAL_WITH_VIO_CLOSE
void THD::close_active_vio()
@ -446,13 +468,19 @@ bool select_send::send_data(List<Item> &items)
if (item->send(thd, packet))
{
packet->free(); // Free used
my_error(ER_OUT_OF_RESOURCES,MYF(0));
my_message(ER_OUT_OF_RESOURCES, ER(ER_OUT_OF_RESOURCES), MYF(0));
DBUG_RETURN(1);
}
}
thd->sent_row_count++;
bool error=my_net_write(&thd->net,(char*) packet->ptr(),packet->length());
DBUG_RETURN(error);
if (!thd->net.report_error)
{
DBUG_RETURN(my_net_write(&thd->net,
(char*) packet->ptr(),
packet->length()));
}
else
DBUG_RETURN(1);
}
bool select_send::send_eof()
@ -462,8 +490,13 @@ bool select_send::send_eof()
{
mysql_unlock_tables(thd, thd->lock); thd->lock=0;
}
::send_eof(thd);
return 0;
if (!thd->net.report_error)
{
::send_eof(thd);
return 0;
}
else
return 1;
}
@ -499,7 +532,7 @@ select_export::prepare(List<Item> &list, SELECT_LEX_UNIT *u)
option);
if (!access(path,F_OK))
{
my_error(ER_FILE_EXISTS_ERROR,MYF(0),exchange->file_name);
my_error(ER_FILE_EXISTS_ERROR, MYF(0), exchange->file_name);
return 1;
}
/* Create the file world readable */
@ -685,9 +718,9 @@ err:
}
void select_export::send_error(uint errcode,const char *err)
void select_export::send_error(uint errcode, const char *err)
{
::send_error(thd,errcode,err);
my_message(errcode, err, MYF(0));;
(void) end_io_cache(&cache);
(void) my_close(file,MYF(0));
file= -1;
@ -699,9 +732,7 @@ bool select_export::send_eof()
int error=test(end_io_cache(&cache));
if (my_close(file,MYF(MY_WME)))
error=1;
if (error)
::send_error(thd);
else
if (!error)
::send_ok(thd,row_count);
file= -1;
return error;
@ -774,7 +805,7 @@ bool select_dump::send_data(List<Item> &items)
}
if (row_count++ > 1)
{
my_error(ER_TOO_MANY_ROWS,MYF(0));
my_error(ER_TOO_MANY_ROWS, MYF(0));
goto err;
}
while ((item=li++))
@ -799,7 +830,7 @@ err:
void select_dump::send_error(uint errcode,const char *err)
{
::send_error(thd,errcode,err);
my_message(errcode, err, MYF(0));
(void) end_io_cache(&cache);
(void) my_close(file,MYF(0));
(void) my_delete(path,MYF(0)); // Delete file on error
@ -811,9 +842,7 @@ bool select_dump::send_eof()
int error=test(end_io_cache(&cache));
if (my_close(file,MYF(MY_WME)))
error=1;
if (error)
::send_error(thd);
else
if (!error)
::send_ok(thd,row_count);
file= -1;
return error;
@ -828,8 +857,9 @@ bool select_singleval_subselect::send_data(List<Item> &items)
{
DBUG_ENTER("select_singleval_subselect::send_data");
Item_singleval_subselect *it= (Item_singleval_subselect *)item;
if (it->assigned){
my_printf_error(ER_SUBSELECT_NO_1_ROW, ER(ER_SUBSELECT_NO_1_ROW), MYF(0));
if (it->assigned()){
thd->fatal_error= 1;
my_message(ER_SUBSELECT_NO_1_ROW, ER(ER_SUBSELECT_NO_1_ROW), MYF(0));
DBUG_RETURN(1);
}
if (unit->offset_limit_cnt)
@ -847,15 +877,19 @@ bool select_singleval_subselect::send_data(List<Item> &items)
if ((it->null_value= val_item->is_null()))
{
it->assign_null();
} else {
}
else
{
it->max_length= val_item->max_length;
it->decimals= val_item->decimals;
it->binary= val_item->binary;
val_item->val_str(&it->str_value);
it->int_value= val_item->val_int();
String *s= val_item->val_str(&it->str_value);
if (s != &it->str_value)
it->str_value.set(*s, 0, s->length());
it->res_type= val_item->result_type();
}
it->assigned= 1;
it->assigned(1);
DBUG_RETURN(0);
}
@ -869,7 +903,7 @@ bool select_exists_subselect::send_data(List<Item> &items)
DBUG_RETURN(0);
}
it->value= 1;
it->assigned= 1;
it->assigned(1);
DBUG_RETURN(0);
}