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MDEV-12687 Split Item::send() into virtual method in Type_handler

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This commit is contained in:
Alexander Barkov
2017-05-04 16:05:21 +04:00
parent ae5b31fe52
commit fe127562e2
7 changed files with 244 additions and 152 deletions
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111
sql/sql_type.cc
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@ -4061,3 +4061,114 @@ bool Type_handler_time_common::
}
/***************************************************************************/
bool Type_handler_null::
Item_send(Item *item, Protocol *protocol, st_value *buf) const
{
return protocol->store_null();
}
bool Type_handler::
Item_send_str(Item *item, Protocol *protocol, st_value *buf) const
{
String *res;
if ((res= item->val_str(&buf->m_string)))
{
DBUG_ASSERT(!item->null_value);
return protocol->store(res->ptr(), res->length(), res->charset());
}
DBUG_ASSERT(item->null_value);
return protocol->store_null();
}
bool Type_handler::
Item_send_tiny(Item *item, Protocol *protocol, st_value *buf) const
{
longlong nr= item->val_int();
if (!item->null_value)
return protocol->store_tiny(nr);
return protocol->store_null();
}
bool Type_handler::
Item_send_short(Item *item, Protocol *protocol, st_value *buf) const
{
longlong nr= item->val_int();
if (!item->null_value)
return protocol->store_short(nr);
return protocol->store_null();
}
bool Type_handler::
Item_send_long(Item *item, Protocol *protocol, st_value *buf) const
{
longlong nr= item->val_int();
if (!item->null_value)
return protocol->store_long(nr);
return protocol->store_null();
}
bool Type_handler::
Item_send_longlong(Item *item, Protocol *protocol, st_value *buf) const
{
longlong nr= item->val_int();
if (!item->null_value)
return protocol->store_longlong(nr, item->unsigned_flag);
return protocol->store_null();
}
bool Type_handler::
Item_send_float(Item *item, Protocol *protocol, st_value *buf) const
{
float nr= (float) item->val_real();
if (!item->null_value)
return protocol->store(nr, item->decimals, &buf->m_string);
return protocol->store_null();
}
bool Type_handler::
Item_send_double(Item *item, Protocol *protocol, st_value *buf) const
{
double nr= item->val_real();
if (!item->null_value)
return protocol->store(nr, item->decimals, &buf->m_string);
return protocol->store_null();
}
bool Type_handler::
Item_send_datetime(Item *item, Protocol *protocol, st_value *buf) const
{
item->get_date(&buf->value.m_time, sql_mode_for_dates(current_thd));
if (!item->null_value)
return protocol->store(&buf->value.m_time, item->decimals);
return protocol->store_null();
}
bool Type_handler::
Item_send_date(Item *item, Protocol *protocol, st_value *buf) const
{
item->get_date(&buf->value.m_time, sql_mode_for_dates(current_thd));
if (!item->null_value)
return protocol->store_date(&buf->value.m_time);
return protocol->store_null();
}
bool Type_handler::
Item_send_time(Item *item, Protocol *protocol, st_value *buf) const
{
item->get_time(&buf->value.m_time);
if (!item->null_value)
return protocol->store_time(&buf->value.m_time, item->decimals);
return protocol->store_null();
}
/***************************************************************************/