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MDEV-21497 Make Field_time, Field_datetime, Field_timestamp abstract

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- Making classes Field_time, Field_datetime, Field_timestamp abstract
- Adding instantiable Field_time0, Field_datetime0, Field_timestamp0 classes
- Removing redundant cast in field_conv.cc, item_timefunc.cc, sp.cc in calls for set_time() and get_timestamp()
- Replacing store_TIME() to store_timestamp() in log.cc and removing redundant cast
This commit is contained in:
Alexander Barkov 2020-01-15 07:58:50 +04:00
commit 497ee33848
6 changed files with 133 additions and 105 deletions
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4
sql/field_conv.cc
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@ -168,7 +168,7 @@ int convert_null_to_field_value_or_error(Field *field)
{
if (field->type() == MYSQL_TYPE_TIMESTAMP)
{
((Field_timestamp*) field)->set_time();
field->set_time();
return 0;
}
@ -315,7 +315,7 @@ static void do_copy_timestamp(Copy_field *copy)
if (*copy->from_null_ptr & copy->from_bit)
{
/* Same as in set_field_to_null_with_conversions() */
((Field_timestamp*) copy->to_field)->set_time();
copy->to_field->set_time();
}
else
(copy->do_copy2)(copy);