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MDEV-9397 Split field.cc:calc_pack_length() into virtual methods in Type_handler

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- Adding new virtual methods in Type_handler:
  * Column_definition_prepare_stage1()
  * Column_definition_prepare_stage2()
  * calc_pack_length()

- Using new methods to remove type specific code in:
  * Global function calc_pack_length()
  * Column_definition::prepare_create_field()
  * The loop body mysql_prepare_create_table()
  * Column_definition::sp_prepare_create_field()
This commit is contained in:
Alexander Barkov
2017-05-17 12:21:39 +04:00
parent f1b729d352
commit fba7fbbc5c
7 changed files with 849 additions and 380 deletions
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215
sql/sql_type.h
View File

@ -67,6 +67,7 @@ class Sort_param;
class Arg_comparator;
struct st_value;
class Protocol;
class handler;
struct TABLE;
struct SORT_FIELD_ATTR;
@ -549,6 +550,15 @@ protected:
bool Item_send_time(Item *item, Protocol *protocol, st_value *buf) const;
bool Item_send_date(Item *item, Protocol *protocol, st_value *buf) const;
bool Item_send_datetime(Item *item, Protocol *protocol, st_value *buf) const;
bool Column_definition_prepare_stage2_legacy(Column_definition *c,
enum_field_types type)
const;
bool Column_definition_prepare_stage2_legacy_num(Column_definition *c,
enum_field_types type)
const;
bool Column_definition_prepare_stage2_legacy_real(Column_definition *c,
enum_field_types type)
const;
public:
static const Type_handler *blob_type_handler(uint max_octet_length);
static const Type_handler *string_type_handler(uint max_octet_length);
@ -692,6 +702,14 @@ public:
uint metadata,
const Field *target) const= 0;
virtual bool Column_definition_fix_attributes(Column_definition *c) const= 0;
virtual bool Column_definition_prepare_stage1(THD *thd,
MEM_ROOT *mem_root,
Column_definition *c,
handler *file,
ulonglong table_flags) const;
virtual bool Column_definition_prepare_stage2(Column_definition *c,
handler *file,
ulonglong table_flags) const= 0;
virtual Field *make_table_field(const LEX_CSTRING *name,
const Record_addr &addr,
const Type_all_attributes &attr,
@ -708,6 +726,7 @@ public:
SORT_FIELD_ATTR *attr) const= 0;
virtual uint32 max_display_length(const Item *item) const= 0;
virtual uint32 calc_pack_length(uint32 length) const= 0;
virtual bool Item_save_in_value(Item *item, st_value *value) const= 0;
virtual bool Item_param_set_from_value(THD *thd,
Item_param *param,
@ -935,6 +954,22 @@ public:
DBUG_ASSERT(0);
return true;
}
bool Column_definition_prepare_stage1(THD *thd,
MEM_ROOT *mem_root,
Column_definition *c,
handler *file,
ulonglong table_flags) const
{
DBUG_ASSERT(0);
return true;
}
bool Column_definition_prepare_stage2(Column_definition *c,
handler *file,
ulonglong table_flags) const
{
DBUG_ASSERT(0);
return true;
}
Field *make_table_field(const LEX_CSTRING *name,
const Record_addr &addr,
const Type_all_attributes &attr,
@ -959,6 +994,11 @@ public:
DBUG_ASSERT(0);
return 0;
}
uint32 calc_pack_length(uint32 length) const
{
DBUG_ASSERT(0);
return 0;
}
uint Item_decimal_precision(const Item *item) const
{
DBUG_ASSERT(0);
@ -1470,6 +1510,11 @@ public:
void sortlength(THD *thd,
const Type_std_attributes *item,
SORT_FIELD_ATTR *attr) const;
bool Column_definition_prepare_stage1(THD *thd,
MEM_ROOT *mem_root,
Column_definition *c,
handler *file,
ulonglong table_flags) const;
uint32 max_display_length(const Item *item) const;
uint Item_time_precision(Item *item) const
{
@ -1578,6 +1623,7 @@ public:
const Name name() const { return m_name_tiny; }
enum_field_types field_type() const { return MYSQL_TYPE_TINY; }
uint32 max_display_length(const Item *item) const { return 4; }
uint32 calc_pack_length(uint32 length) const { return 1; }
bool Item_send(Item *item, Protocol *protocol, st_value *buf) const
{
return Item_send_tiny(item, protocol, buf);
@ -1585,6 +1631,10 @@ public:
Field *make_conversion_table_field(TABLE *TABLE, uint metadata,
const Field *target) const;
bool Column_definition_fix_attributes(Column_definition *c) const;
bool Column_definition_prepare_stage2(Column_definition *c,
handler *file,
ulonglong table_flags) const
{ return Column_definition_prepare_stage2_legacy_num(c, MYSQL_TYPE_TINY); }
Field *make_table_field(const LEX_CSTRING *name,
const Record_addr &addr,
const Type_all_attributes &attr,
@ -1604,9 +1654,14 @@ public:
return Item_send_short(item, protocol, buf);
}
uint32 max_display_length(const Item *item) const { return 6; }
uint32 calc_pack_length(uint32 length) const { return 2; }
Field *make_conversion_table_field(TABLE *TABLE, uint metadata,
const Field *target) const;
bool Column_definition_fix_attributes(Column_definition *c) const;
bool Column_definition_prepare_stage2(Column_definition *c,
handler *file,
ulonglong table_flags) const
{ return Column_definition_prepare_stage2_legacy_num(c, MYSQL_TYPE_SHORT); }
Field *make_table_field(const LEX_CSTRING *name,
const Record_addr &addr,
const Type_all_attributes &attr,
@ -1625,6 +1680,7 @@ public:
{
return MY_INT32_NUM_DECIMAL_DIGITS;
}
uint32 calc_pack_length(uint32 length) const { return 4; }
bool Item_send(Item *item, Protocol *protocol, st_value *buf) const
{
return Item_send_long(item, protocol, buf);
@ -1632,6 +1688,10 @@ public:
Field *make_conversion_table_field(TABLE *TABLE, uint metadata,
const Field *target) const;
bool Column_definition_fix_attributes(Column_definition *c) const;
bool Column_definition_prepare_stage2(Column_definition *c,
handler *file,
ulonglong table_flags) const
{ return Column_definition_prepare_stage2_legacy_num(c, MYSQL_TYPE_LONG); }
Field *make_table_field(const LEX_CSTRING *name,
const Record_addr &addr,
const Type_all_attributes &attr,
@ -1647,6 +1707,7 @@ public:
const Name name() const { return m_name_longlong; }
enum_field_types field_type() const { return MYSQL_TYPE_LONGLONG; }
uint32 max_display_length(const Item *item) const { return 20; }
uint32 calc_pack_length(uint32 length) const { return 8; }
bool Item_send(Item *item, Protocol *protocol, st_value *buf) const
{
return Item_send_longlong(item, protocol, buf);
@ -1654,6 +1715,12 @@ public:
Field *make_conversion_table_field(TABLE *TABLE, uint metadata,
const Field *target) const;
bool Column_definition_fix_attributes(Column_definition *c) const;
bool Column_definition_prepare_stage2(Column_definition *c,
handler *file,
ulonglong table_flags) const
{
return Column_definition_prepare_stage2_legacy_num(c, MYSQL_TYPE_LONGLONG);
}
Field *make_table_field(const LEX_CSTRING *name,
const Record_addr &addr,
const Type_all_attributes &attr,
@ -1673,9 +1740,14 @@ public:
return Item_send_long(item, protocol, buf);
}
uint32 max_display_length(const Item *item) const { return 8; }
uint32 calc_pack_length(uint32 length) const { return 3; }
Field *make_conversion_table_field(TABLE *, uint metadata,
const Field *target) const;
bool Column_definition_fix_attributes(Column_definition *c) const;
bool Column_definition_prepare_stage2(Column_definition *c,
handler *file,
ulonglong table_flags) const
{ return Column_definition_prepare_stage2_legacy_num(c, MYSQL_TYPE_INT24); }
Field *make_table_field(const LEX_CSTRING *name,
const Record_addr &addr,
const Type_all_attributes &attr,
@ -1691,6 +1763,7 @@ public:
const Name name() const { return m_name_year; }
enum_field_types field_type() const { return MYSQL_TYPE_YEAR; }
uint32 max_display_length(const Item *item) const;
uint32 calc_pack_length(uint32 length) const { return 1; }
bool Item_send(Item *item, Protocol *protocol, st_value *buf) const
{
return Item_send_short(item, protocol, buf);
@ -1698,6 +1771,10 @@ public:
Field *make_conversion_table_field(TABLE *, uint metadata,
const Field *target) const;
bool Column_definition_fix_attributes(Column_definition *c) const;
bool Column_definition_prepare_stage2(Column_definition *c,
handler *file,
ulonglong table_flags) const
{ return Column_definition_prepare_stage2_legacy_num(c, MYSQL_TYPE_YEAR); }
Field *make_table_field(const LEX_CSTRING *name,
const Record_addr &addr,
const Type_all_attributes &attr,
@ -1713,6 +1790,7 @@ public:
const Name name() const { return m_name_bit; }
enum_field_types field_type() const { return MYSQL_TYPE_BIT; }
uint32 max_display_length(const Item *item) const;
uint32 calc_pack_length(uint32 length) const { return length / 8; }
bool Item_send(Item *item, Protocol *protocol, st_value *buf) const
{
return Item_send_str(item, protocol, buf);
@ -1724,6 +1802,14 @@ public:
Field *make_conversion_table_field(TABLE *, uint metadata,
const Field *target) const;
bool Column_definition_fix_attributes(Column_definition *c) const;
bool Column_definition_prepare_stage1(THD *thd,
MEM_ROOT *mem_root,
Column_definition *c,
handler *file,
ulonglong table_flags) const;
bool Column_definition_prepare_stage2(Column_definition *c,
handler *file,
ulonglong table_flags) const;
Field *make_table_field(const LEX_CSTRING *name,
const Record_addr &addr,
const Type_all_attributes &attr,
@ -1740,6 +1826,7 @@ public:
enum_field_types field_type() const { return MYSQL_TYPE_FLOAT; }
bool type_can_have_auto_increment_attribute() const { return true; }
uint32 max_display_length(const Item *item) const { return 25; }
uint32 calc_pack_length(uint32 length) const { return sizeof(float); }
bool Item_send(Item *item, Protocol *protocol, st_value *buf) const
{
return Item_send_float(item, protocol, buf);
@ -1748,6 +1835,10 @@ public:
Field *make_conversion_table_field(TABLE *, uint metadata,
const Field *target) const;
bool Column_definition_fix_attributes(Column_definition *c) const;
bool Column_definition_prepare_stage2(Column_definition *c,
handler *file,
ulonglong table_flags) const
{ return Column_definition_prepare_stage2_legacy_real(c, MYSQL_TYPE_FLOAT); }
Field *make_table_field(const LEX_CSTRING *name,
const Record_addr &addr,
const Type_all_attributes &attr,
@ -1764,6 +1855,7 @@ public:
enum_field_types field_type() const { return MYSQL_TYPE_DOUBLE; }
bool type_can_have_auto_increment_attribute() const { return true; }
uint32 max_display_length(const Item *item) const { return 53; }
uint32 calc_pack_length(uint32 length) const { return sizeof(double); }
bool Item_send(Item *item, Protocol *protocol, st_value *buf) const
{
return Item_send_double(item, protocol, buf);
@ -1771,6 +1863,10 @@ public:
Field *make_conversion_table_field(TABLE *, uint metadata,
const Field *target) const;
bool Column_definition_fix_attributes(Column_definition *c) const;
bool Column_definition_prepare_stage2(Column_definition *c,
handler *file,
ulonglong table_flags) const
{ return Column_definition_prepare_stage2_legacy_real(c, MYSQL_TYPE_DOUBLE); }
Field *make_table_field(const LEX_CSTRING *name,
const Record_addr &addr,
const Type_all_attributes &attr,
@ -1821,10 +1917,18 @@ public:
class Type_handler_time: public Type_handler_time_common
{
/* number of bytes to store TIME(N) */
static uint m_hires_bytes[MAX_DATETIME_PRECISION+1];
public:
static uint hires_bytes(uint dec) { return m_hires_bytes[dec]; }
virtual ~Type_handler_time() {}
uint32 calc_pack_length(uint32 length) const;
Field *make_conversion_table_field(TABLE *, uint metadata,
const Field *target) const;
bool Column_definition_prepare_stage2(Column_definition *c,
handler *file,
ulonglong table_flags) const
{ return Column_definition_prepare_stage2_legacy(c, MYSQL_TYPE_TIME); }
Field *make_table_field(const LEX_CSTRING *name,
const Record_addr &addr,
const Type_all_attributes &attr,
@ -1837,8 +1941,13 @@ class Type_handler_time2: public Type_handler_time_common
public:
virtual ~Type_handler_time2() {}
enum_field_types real_field_type() const { return MYSQL_TYPE_TIME2; }
uint32 calc_pack_length(uint32 length) const;
Field *make_conversion_table_field(TABLE *, uint metadata,
const Field *target) const;
bool Column_definition_prepare_stage2(Column_definition *c,
handler *file,
ulonglong table_flags) const
{ return Column_definition_prepare_stage2_legacy(c, MYSQL_TYPE_TIME2); }
Field *make_table_field(const LEX_CSTRING *name,
const Record_addr &addr,
const Type_all_attributes &attr,
@ -1889,8 +1998,13 @@ class Type_handler_date: public Type_handler_date_common
{
public:
virtual ~Type_handler_date() {}
uint32 calc_pack_length(uint32 length) const { return 4; }
Field *make_conversion_table_field(TABLE *, uint metadata,
const Field *target) const;
bool Column_definition_prepare_stage2(Column_definition *c,
handler *file,
ulonglong table_flags) const
{ return Column_definition_prepare_stage2_legacy(c, MYSQL_TYPE_DATE); }
Field *make_table_field(const LEX_CSTRING *name,
const Record_addr &addr,
const Type_all_attributes &attr,
@ -1903,8 +2017,13 @@ class Type_handler_newdate: public Type_handler_date_common
public:
virtual ~Type_handler_newdate() {}
enum_field_types real_field_type() const { return MYSQL_TYPE_NEWDATE; }
uint32 calc_pack_length(uint32 length) const { return 3; }
Field *make_conversion_table_field(TABLE *, uint metadata,
const Field *target) const;
bool Column_definition_prepare_stage2(Column_definition *c,
handler *file,
ulonglong table_flags) const
{ return Column_definition_prepare_stage2_legacy(c, MYSQL_TYPE_NEWDATE); }
Field *make_table_field(const LEX_CSTRING *name,
const Record_addr &addr,
const Type_all_attributes &attr,
@ -1949,10 +2068,18 @@ public:
class Type_handler_datetime: public Type_handler_datetime_common
{
/* number of bytes to store DATETIME(N) */
static uint m_hires_bytes[MAX_DATETIME_PRECISION + 1];
public:
static uint hires_bytes(uint dec) { return m_hires_bytes[dec]; }
virtual ~Type_handler_datetime() {}
uint32 calc_pack_length(uint32 length) const;
Field *make_conversion_table_field(TABLE *, uint metadata,
const Field *target) const;
bool Column_definition_prepare_stage2(Column_definition *c,
handler *file,
ulonglong table_flags) const
{ return Column_definition_prepare_stage2_legacy(c, MYSQL_TYPE_DATETIME); }
Field *make_table_field(const LEX_CSTRING *name,
const Record_addr &addr,
const Type_all_attributes &attr,
@ -1965,8 +2092,13 @@ class Type_handler_datetime2: public Type_handler_datetime_common
public:
virtual ~Type_handler_datetime2() {}
enum_field_types real_field_type() const { return MYSQL_TYPE_DATETIME2; }
uint32 calc_pack_length(uint32 length) const;
Field *make_conversion_table_field(TABLE *, uint metadata,
const Field *target) const;
bool Column_definition_prepare_stage2(Column_definition *c,
handler *file,
ulonglong table_flags) const
{ return Column_definition_prepare_stage2_legacy(c, MYSQL_TYPE_DATETIME2); }
Field *make_table_field(const LEX_CSTRING *name,
const Record_addr &addr,
const Type_all_attributes &attr,
@ -2015,10 +2147,18 @@ public:
class Type_handler_timestamp: public Type_handler_timestamp_common
{
/* number of bytes to store second_part part of the TIMESTAMP(N) */
static uint m_sec_part_bytes[MAX_DATETIME_PRECISION + 1];
public:
static uint sec_part_bytes(uint dec) { return m_sec_part_bytes[dec]; }
virtual ~Type_handler_timestamp() {}
uint32 calc_pack_length(uint32 length) const;
Field *make_conversion_table_field(TABLE *, uint metadata,
const Field *target) const;
bool Column_definition_prepare_stage2(Column_definition *c,
handler *file,
ulonglong table_flags) const
{ return Column_definition_prepare_stage2_legacy_num(c, MYSQL_TYPE_TIMESTAMP); }
Field *make_table_field(const LEX_CSTRING *name,
const Record_addr &addr,
const Type_all_attributes &attr,
@ -2031,8 +2171,15 @@ class Type_handler_timestamp2: public Type_handler_timestamp_common
public:
virtual ~Type_handler_timestamp2() {}
enum_field_types real_field_type() const { return MYSQL_TYPE_TIMESTAMP2; }
uint32 calc_pack_length(uint32 length) const;
Field *make_conversion_table_field(TABLE *, uint metadata,
const Field *target) const;
bool Column_definition_prepare_stage2(Column_definition *c,
handler *file,
ulonglong table_flags) const
{
return Column_definition_prepare_stage2_legacy_num(c, MYSQL_TYPE_TIMESTAMP2);
}
Field *make_table_field(const LEX_CSTRING *name,
const Record_addr &addr,
const Type_all_attributes &attr,
@ -2047,11 +2194,16 @@ public:
virtual ~Type_handler_olddecimal() {}
const Name name() const { return m_name_decimal; }
enum_field_types field_type() const { return MYSQL_TYPE_DECIMAL; }
uint32 calc_pack_length(uint32 length) const { return length; }
const Type_handler *type_handler_for_tmp_table(const Item *item) const;
const Type_handler *type_handler_for_union(const Item *item) const;
Field *make_conversion_table_field(TABLE *, uint metadata,
const Field *target) const;
bool Column_definition_fix_attributes(Column_definition *c) const;
bool Column_definition_prepare_stage2(Column_definition *c,
handler *file,
ulonglong table_flags) const
{ return Column_definition_prepare_stage2_legacy_num(c, MYSQL_TYPE_DECIMAL); }
Field *make_table_field(const LEX_CSTRING *name,
const Record_addr &addr,
const Type_all_attributes &attr,
@ -2066,9 +2218,18 @@ public:
virtual ~Type_handler_newdecimal() {}
const Name name() const { return m_name_decimal; }
enum_field_types field_type() const { return MYSQL_TYPE_NEWDECIMAL; }
uint32 calc_pack_length(uint32 length) const;
Field *make_conversion_table_field(TABLE *, uint metadata,
const Field *target) const;
bool Column_definition_fix_attributes(Column_definition *c) const;
bool Column_definition_prepare_stage1(THD *thd,
MEM_ROOT *mem_root,
Column_definition *c,
handler *file,
ulonglong table_flags) const;
bool Column_definition_prepare_stage2(Column_definition *c,
handler *file,
ulonglong table_flags) const;
Field *make_table_field(const LEX_CSTRING *name,
const Record_addr &addr,
const Type_all_attributes &attr,
@ -2087,11 +2248,21 @@ public:
const Type_handler *type_handler_for_tmp_table(const Item *item) const;
const Type_handler *type_handler_for_union(const Item *) const;
uint32 max_display_length(const Item *item) const { return 0; }
uint32 calc_pack_length(uint32 length) const { return 0; }
bool Item_save_in_value(Item *item, st_value *value) const;
bool Item_send(Item *item, Protocol *protocol, st_value *buf) const;
Field *make_conversion_table_field(TABLE *, uint metadata,
const Field *target) const;
bool Column_definition_fix_attributes(Column_definition *c) const;
bool Column_definition_prepare_stage1(THD *thd,
MEM_ROOT *mem_root,
Column_definition *c,
handler *file,
ulonglong table_flags) const;
bool Column_definition_prepare_stage2(Column_definition *c,
handler *file,
ulonglong table_flags) const
{ return Column_definition_prepare_stage2_legacy(c, MYSQL_TYPE_NULL); }
Field *make_table_field(const LEX_CSTRING *name,
const Record_addr &addr,
const Type_all_attributes &attr,
@ -2117,6 +2288,7 @@ public:
const Name name() const { return m_name_char; }
enum_field_types field_type() const { return MYSQL_TYPE_STRING; }
bool is_param_long_data_type() const { return true; }
uint32 calc_pack_length(uint32 length) const { return length; }
const Type_handler *type_handler_for_tmp_table(const Item *item) const
{
return varstring_type_handler(item);
@ -2124,6 +2296,9 @@ public:
Field *make_conversion_table_field(TABLE *, uint metadata,
const Field *target) const;
bool Column_definition_fix_attributes(Column_definition *c) const;
bool Column_definition_prepare_stage2(Column_definition *c,
handler *file,
ulonglong table_flags) const;
Field *make_table_field(const LEX_CSTRING *name,
const Record_addr &addr,
const Type_all_attributes &attr,
@ -2145,6 +2320,10 @@ public:
return varstring_type_handler(item);
}
bool Column_definition_fix_attributes(Column_definition *c) const;
bool Column_definition_prepare_stage2(Column_definition *c,
handler *file,
ulonglong table_flags) const
{ return Column_definition_prepare_stage2_legacy_num(c, MYSQL_TYPE_STRING); }
const Type_handler *type_handler_for_union(const Item *item) const
{
return varstring_type_handler(item);
@ -2159,6 +2338,10 @@ public:
virtual ~Type_handler_varchar() {}
const Name name() const { return m_name_varchar; }
enum_field_types field_type() const { return MYSQL_TYPE_VARCHAR; }
uint32 calc_pack_length(uint32 length) const
{
return (length + (length < 256 ? 1: 2));
}
const Type_handler *type_handler_for_tmp_table(const Item *item) const
{
return varstring_type_handler(item);
@ -2171,6 +2354,9 @@ public:
Field *make_conversion_table_field(TABLE *, uint metadata,
const Field *target) const;
bool Column_definition_fix_attributes(Column_definition *c) const;
bool Column_definition_prepare_stage2(Column_definition *c,
handler *file,
ulonglong table_flags) const;
Field *make_table_field(const LEX_CSTRING *name,
const Record_addr &addr,
const Type_all_attributes &attr,
@ -2197,6 +2383,9 @@ public:
}
bool is_param_long_data_type() const { return true; }
bool Column_definition_fix_attributes(Column_definition *c) const;
bool Column_definition_prepare_stage2(Column_definition *c,
handler *file,
ulonglong table_flags) const;
bool Item_hybrid_func_fix_attributes(THD *thd,
const char *name,
Type_handler_hybrid_field_type *,
@ -2212,6 +2401,7 @@ public:
virtual ~Type_handler_tiny_blob() {}
const Name name() const { return m_name_tinyblob; }
enum_field_types field_type() const { return MYSQL_TYPE_TINY_BLOB; }
uint32 calc_pack_length(uint32 length) const;
Field *make_conversion_table_field(TABLE *, uint metadata,
const Field *target) const;
Field *make_table_field(const LEX_CSTRING *name,
@ -2228,6 +2418,7 @@ public:
virtual ~Type_handler_medium_blob() {}
const Name name() const { return m_name_mediumblob; }
enum_field_types field_type() const { return MYSQL_TYPE_MEDIUM_BLOB; }
uint32 calc_pack_length(uint32 length) const;
Field *make_conversion_table_field(TABLE *, uint metadata,
const Field *target) const;
Field *make_table_field(const LEX_CSTRING *name,
@ -2244,6 +2435,7 @@ public:
virtual ~Type_handler_long_blob() {}
const Name name() const { return m_name_longblob; }
enum_field_types field_type() const { return MYSQL_TYPE_LONG_BLOB; }
uint32 calc_pack_length(uint32 length) const;
Field *make_conversion_table_field(TABLE *, uint metadata,
const Field *target) const;
Field *make_table_field(const LEX_CSTRING *name,
@ -2260,6 +2452,7 @@ public:
virtual ~Type_handler_blob() {}
const Name name() const { return m_name_blob; }
enum_field_types field_type() const { return MYSQL_TYPE_BLOB; }
uint32 calc_pack_length(uint32 length) const;
Field *make_conversion_table_field(TABLE *, uint metadata,
const Field *target) const;
Field *make_table_field(const LEX_CSTRING *name,
@ -2278,6 +2471,7 @@ public:
const Name name() const { return m_name_geometry; }
enum_field_types field_type() const { return MYSQL_TYPE_GEOMETRY; }
bool is_param_long_data_type() const { return true; }
uint32 calc_pack_length(uint32 length) const;
const Type_handler *type_handler_for_comparison() const;
bool type_can_have_key_part() const
{
@ -2295,6 +2489,14 @@ public:
Field *make_conversion_table_field(TABLE *, uint metadata,
const Field *target) const;
bool Column_definition_fix_attributes(Column_definition *c) const;
bool Column_definition_prepare_stage1(THD *thd,
MEM_ROOT *mem_root,
Column_definition *c,
handler *file,
ulonglong table_flags) const;
bool Column_definition_prepare_stage2(Column_definition *c,
handler *file,
ulonglong table_flags) const;
Field *make_table_field(const LEX_CSTRING *name,
const Record_addr &addr,
const Type_all_attributes &attr,
@ -2343,6 +2545,11 @@ public:
Type_handler_hybrid_field_type *,
Type_all_attributes *atrr,
Item **items, uint nitems) const;
bool Column_definition_prepare_stage1(THD *thd,
MEM_ROOT *mem_root,
Column_definition *c,
handler *file,
ulonglong table_flags) const;
};
@ -2353,9 +2560,13 @@ public:
virtual ~Type_handler_enum() {}
const Name name() const { return m_name_enum; }
virtual enum_field_types real_field_type() const { return MYSQL_TYPE_ENUM; }
uint32 calc_pack_length(uint32 length) const;
Field *make_conversion_table_field(TABLE *, uint metadata,
const Field *target) const;
bool Column_definition_fix_attributes(Column_definition *c) const;
bool Column_definition_prepare_stage2(Column_definition *c,
handler *file,
ulonglong table_flags) const;
Field *make_table_field(const LEX_CSTRING *name,
const Record_addr &addr,
const Type_all_attributes &attr,
@ -2370,9 +2581,13 @@ public:
virtual ~Type_handler_set() {}
const Name name() const { return m_name_set; }
virtual enum_field_types real_field_type() const { return MYSQL_TYPE_SET; }
uint32 calc_pack_length(uint32 length) const;
Field *make_conversion_table_field(TABLE *, uint metadata,
const Field *target) const;
bool Column_definition_fix_attributes(Column_definition *c) const;
bool Column_definition_prepare_stage2(Column_definition *c,
handler *file,
ulonglong table_flags) const;
Field *make_table_field(const LEX_CSTRING *name,
const Record_addr &addr,
const Type_all_attributes &attr,