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MDEV-12833 Split Column_definition::create_length_to_internal_length() to virtual methods in Type_handler

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This commit is contained in:
Alexander Barkov
2017-05-17 18:07:20 +04:00
parent 278c3ea756
commit 5b034f1cf8
5 changed files with 185 additions and 84 deletions
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87
sql/sql_type.cc
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@ -1634,6 +1634,93 @@ bool Type_handler_geometry::
#endif
/*************************************************************************/
bool Type_handler::
Column_definition_redefine_stage1(Column_definition *def,
const Column_definition *dup,
const handler *file,
const Schema_specification_st *schema)
const
{
def->redefine_stage1_common(dup, file, schema);
def->create_length_to_internal_length_simple();
return false;
}
bool Type_handler_null::
Column_definition_redefine_stage1(Column_definition *def,
const Column_definition *dup,
const handler *file,
const Schema_specification_st *schema)
const
{
def->redefine_stage1_common(dup, file, schema);
def->create_length_to_internal_length_null();
return false;
}
bool Type_handler_newdecimal::
Column_definition_redefine_stage1(Column_definition *def,
const Column_definition *dup,
const handler *file,
const Schema_specification_st *schema)
const
{
def->redefine_stage1_common(dup, file, schema);
def->create_length_to_internal_length_newdecimal();
return false;
}
bool Type_handler_string_result::
Column_definition_redefine_stage1(Column_definition *def,
const Column_definition *dup,
const handler *file,
const Schema_specification_st *schema)
const
{
def->redefine_stage1_common(dup, file, schema);
def->create_length_to_internal_length_string();
return false;
}
bool Type_handler_typelib::
Column_definition_redefine_stage1(Column_definition *def,
const Column_definition *dup,
const handler *file,
const Schema_specification_st *schema)
const
{
def->redefine_stage1_common(dup, file, schema);
def->create_length_to_internal_length_typelib();
return false;
}
bool Type_handler_bit::
Column_definition_redefine_stage1(Column_definition *def,
const Column_definition *dup,
const handler *file,
const Schema_specification_st *schema)
const
{
def->redefine_stage1_common(dup, file, schema);
/*
If we are replacing a field with a BIT field, we need
to initialize pack_flag.
*/
def->pack_flag= FIELDFLAG_NUMBER;
if (!(file->ha_table_flags() & HA_CAN_BIT_FIELD))
def->pack_flag|= FIELDFLAG_TREAT_BIT_AS_CHAR;
def->create_length_to_internal_length_bit();
return false;
}
/*************************************************************************/
bool Type_handler::