Cleanup: removing Type_handler members m_name_xxx

Hiding the definitions inside Type_handler_xxx::name().

This is needed to avoid exporting members with MYSQL_PLUGIN_IMPORT,
which would be needed to compile data type plugins on Windows.

4 files changed, 249 insertions, 130 deletions

diff --git a/sql/sql_type.cc b/sql/sql_type.cc
index c11d632dd51..bc401fbc9a0 100644
--- a/sql/sql_type.cc
+++ b/sql/sql_type.cc
@@ -1395,48 +1395,173 @@ uint Type_handler_time::m_hires_bytes[MAX_DATETIME_PRECISION + 1]=
      { 3, 4, 4, 5, 5, 5, 6 };
 
 /***************************************************************************/
-const Name Type_handler_row::m_name_row(STRING_WITH_LEN("row"));
-
-const Name Type_handler_null::m_name_null(STRING_WITH_LEN("null"));
-
-const Name
-  Type_handler_string::m_name_char(STRING_WITH_LEN("char")),
-  Type_handler_var_string::m_name_var_string(STRING_WITH_LEN("varchar")),
-  Type_handler_varchar::m_name_varchar(STRING_WITH_LEN("varchar")),
-  Type_handler_hex_hybrid::m_name_hex_hybrid(STRING_WITH_LEN("hex_hybrid")),
-  Type_handler_tiny_blob::m_name_tinyblob(STRING_WITH_LEN("tinyblob")),
-  Type_handler_medium_blob::m_name_mediumblob(STRING_WITH_LEN("mediumblob")),
-  Type_handler_long_blob::m_name_longblob(STRING_WITH_LEN("longblob")),
-  Type_handler_blob::m_name_blob(STRING_WITH_LEN("blob"));
-
-const Name
-  Type_handler_enum::m_name_enum(STRING_WITH_LEN("enum")),
-  Type_handler_set::m_name_set(STRING_WITH_LEN("set"));
-
-const Name
-  Type_handler_bool::m_name_bool(STRING_WITH_LEN("boolean")),
-  Type_handler_tiny::m_name_tiny(STRING_WITH_LEN("tinyint")),
-  Type_handler_short::m_name_short(STRING_WITH_LEN("smallint")),
-  Type_handler_long::m_name_int(STRING_WITH_LEN("int")),
-  Type_handler_longlong::m_name_longlong(STRING_WITH_LEN("bigint")),
-  Type_handler_int24::m_name_mediumint(STRING_WITH_LEN("mediumint")),
-  Type_handler_year::m_name_year(STRING_WITH_LEN("year")),
-  Type_handler_bit::m_name_bit(STRING_WITH_LEN("bit"));
-
-const Name
-  Type_handler_float::m_name_float(STRING_WITH_LEN("float")),
-  Type_handler_double::m_name_double(STRING_WITH_LEN("double"));
-
-const Name
-  Type_handler_olddecimal::m_name_decimal(STRING_WITH_LEN("decimal")),
-  Type_handler_newdecimal::m_name_decimal(STRING_WITH_LEN("decimal"));
-
-const Name
-  Type_handler_time_common::m_name_time(STRING_WITH_LEN("time")),
-  Type_handler_date_common::m_name_date(STRING_WITH_LEN("date")),
-  Type_handler_datetime_common::m_name_datetime(STRING_WITH_LEN("datetime")),
-  Type_handler_timestamp_common::m_name_timestamp(STRING_WITH_LEN("timestamp"));
+const Name Type_handler_row::name() const
+{
+  static Name tmp(STRING_WITH_LEN("row"));
+  return tmp;
+}
+
+const Name Type_handler_null::name() const
+{
+  static Name tmp(STRING_WITH_LEN("null"));
+  return tmp;
+}
+
+const Name Type_handler_string::name() const
+{
+  static Name tmp(STRING_WITH_LEN("char"));
+  return tmp;
+}
+
+const Name Type_handler_var_string::name() const
+{
+  static Name tmp(STRING_WITH_LEN("varchar"));
+  return tmp;
+}
+
+const Name Type_handler_varchar::name() const
+{
+  static Name tmp(STRING_WITH_LEN("varchar"));
+  return tmp;
+}
+
+const Name Type_handler_hex_hybrid::name() const
+{
+  static Name tmp(STRING_WITH_LEN("hex_hybrid"));
+  return tmp;
+}
+
+const Name Type_handler_tiny_blob::name() const
+{
+  static Name tmp(STRING_WITH_LEN("tinyblob"));
+  return tmp;
+}
+
+const Name Type_handler_medium_blob::name() const
+{
+  static Name tmp(STRING_WITH_LEN("mediumblob"));
+  return tmp;
+}
+
+const Name Type_handler_long_blob::name() const
+{
+  static Name tmp(STRING_WITH_LEN("longblob"));
+  return tmp;
+}
+
+const Name Type_handler_blob::name() const
+{
+  static Name tmp(STRING_WITH_LEN("blob"));
+  return tmp;
+}
+
+const Name Type_handler_enum::name() const
+{
+  static Name tmp(STRING_WITH_LEN("enum"));
+  return tmp;
+}
+
+const Name Type_handler_set::name() const
+{
+  static Name tmp(STRING_WITH_LEN("set"));
+  return tmp;
+}
+
+const Name Type_handler_bool::name() const
+{
+  static Name tmp(STRING_WITH_LEN("boolean"));
+  return tmp;
+}
+
+const Name Type_handler_tiny::name() const
+{
+  static Name tmp(STRING_WITH_LEN("tinyint"));
+  return tmp;
+}
 
+const Name Type_handler_short::name() const
+{
+  static Name tmp(STRING_WITH_LEN("smallint"));
+  return tmp;
+}
+
+const Name Type_handler_long::name() const
+{
+  static Name tmp(STRING_WITH_LEN("int"));
+  return tmp;
+}
+
+const Name Type_handler_longlong::name() const
+{
+  static Name tmp(STRING_WITH_LEN("bigint"));
+  return tmp;
+}
+
+const Name Type_handler_int24::name() const
+{
+  static Name tmp(STRING_WITH_LEN("mediumint"));
+  return tmp;
+}
+
+const Name Type_handler_year::name() const
+{
+  static Name tmp(STRING_WITH_LEN("year"));
+  return tmp;
+}
+
+const Name Type_handler_bit::name() const
+{
+  static Name tmp(STRING_WITH_LEN("bit"));
+  return tmp;
+}
+
+const Name Type_handler_float::name() const
+{
+  static Name tmp(STRING_WITH_LEN("float"));
+  return tmp;
+}
+
+const Name Type_handler_double::name() const
+{
+  static Name tmp(STRING_WITH_LEN("double"));
+  return tmp;
+}
+
+const Name Type_handler_olddecimal::name() const
+{
+  static Name tmp(STRING_WITH_LEN("decimal"));
+  return tmp;
+}
+
+const Name Type_handler_newdecimal::name() const
+{
+  static Name tmp(STRING_WITH_LEN("decimal"));
+  return tmp;
+}
+
+const Name Type_handler_time_common::name() const
+{
+  static Name tmp(STRING_WITH_LEN("time"));
+  return tmp;
+}
+
+const Name Type_handler_date_common::name() const
+{
+  static Name tmp(STRING_WITH_LEN("date"));
+  return tmp;
+}
+
+const Name Type_handler_datetime_common::name() const
+{
+  static Name tmp(STRING_WITH_LEN("datetime"));
+  return tmp;
+}
+
+const Name Type_handler_timestamp_common::name() const
+{
+  static Name tmp(STRING_WITH_LEN("timestamp"));
+  return tmp;
+}
 
 const Name Type_handler_utiny::name() const
 {
diff --git a/sql/sql_type.h b/sql/sql_type.h
index 3c1babe3d78..dff37959892 100644
--- a/sql/sql_type.h
+++ b/sql/sql_type.h
@@ -3917,10 +3917,9 @@ public:
 */
 class Type_handler_row: public Type_handler
 {
-  static const Name m_name_row;
 public:
   virtual ~Type_handler_row() {}
-  const Name name() const override { return m_name_row; }
+  const Name name() const override;
   const Name &default_value() const override;
   bool validate_implicit_default_value(THD *thd,
                                        const Column_definition &def) const
@@ -5023,10 +5022,9 @@ public:
 
 class Type_handler_tiny: public Type_handler_general_purpose_int
 {
-  static const Name m_name_tiny;
 public:
   virtual ~Type_handler_tiny() {}
-  const Name name() const override { return m_name_tiny; }
+  const Name name() const override;
   enum_field_types field_type() const override { return MYSQL_TYPE_TINY; }
   const Type_handler *type_handler_unsigned() const override;
   const Type_handler *type_handler_signed() const override;
@@ -5083,10 +5081,9 @@ public:
 
 class Type_handler_short: public Type_handler_general_purpose_int
 {
-  static const Name m_name_short;
 public:
   virtual ~Type_handler_short() {}
-  const Name name() const override { return m_name_short; }
+  const Name name() const override;
   enum_field_types field_type() const override { return MYSQL_TYPE_SHORT; }
   const Type_handler *type_handler_unsigned() const override;
   const Type_handler *type_handler_signed() const override;
@@ -5143,10 +5140,9 @@ public:
 
 class Type_handler_long: public Type_handler_general_purpose_int
 {
-  static const Name m_name_int;
 public:
   virtual ~Type_handler_long() {}
-  const Name name() const override { return m_name_int; }
+  const Name name() const override;
   enum_field_types field_type() const override { return MYSQL_TYPE_LONG; }
   const Type_handler *type_handler_unsigned() const override;
   const Type_handler *type_handler_signed() const override;
@@ -5203,9 +5199,8 @@ public:
 
 class Type_handler_bool: public Type_handler_long
 {
-  static const Name m_name_bool;
 public:
-  const Name name() const override { return m_name_bool; }
+  const Name name() const override;
   bool is_bool_type() const override { return true; }
   const Type_handler *type_handler_unsigned() const override;
   const Type_handler *type_handler_signed() const override;
@@ -5216,10 +5211,9 @@ public:
 
 class Type_handler_longlong: public Type_handler_general_purpose_int
 {
-  static const Name m_name_longlong;
 public:
   virtual ~Type_handler_longlong() {}
-  const Name name() const  override{ return m_name_longlong; }
+  const Name name() const  override;
   enum_field_types field_type() const  override{ return MYSQL_TYPE_LONGLONG; }
   const Type_handler *type_handler_unsigned() const override;
   const Type_handler *type_handler_signed() const override;
@@ -5292,10 +5286,9 @@ public:
 
 class Type_handler_int24: public Type_handler_general_purpose_int
 {
-  static const Name m_name_mediumint;
 public:
   virtual ~Type_handler_int24() {}
-  const Name name() const override { return m_name_mediumint; }
+  const Name name() const override;
   enum_field_types field_type() const override { return MYSQL_TYPE_INT24; }
   const Type_handler *type_handler_unsigned() const override;
   const Type_handler *type_handler_signed() const override;
@@ -5345,10 +5338,9 @@ public:
 
 class Type_handler_year: public Type_handler_int_result
 {
-  static const Name m_name_year;
 public:
   virtual ~Type_handler_year() {}
-  const Name name() const override { return m_name_year; }
+  const Name name() const override;
   enum_field_types field_type() const override { return MYSQL_TYPE_YEAR; }
   uint flags() const override { return UNSIGNED_FLAG; }
   protocol_send_type_t protocol_send_type() const override
@@ -5401,10 +5393,9 @@ public:
 
 class Type_handler_bit: public Type_handler_int_result
 {
-  static const Name m_name_bit;
 public:
   virtual ~Type_handler_bit() {}
-  const Name name() const override { return m_name_bit; }
+  const Name name() const override;
   enum_field_types field_type() const override { return MYSQL_TYPE_BIT; }
   uint flags() const override { return UNSIGNED_FLAG; }
   protocol_send_type_t protocol_send_type() const override
@@ -5460,10 +5451,9 @@ public:
 
 class Type_handler_float: public Type_handler_real_result
 {
-  static const Name m_name_float;
 public:
   virtual ~Type_handler_float() {}
-  const Name name() const override { return m_name_float; }
+  const Name name() const override;
   enum_field_types field_type() const override { return MYSQL_TYPE_FLOAT; }
   protocol_send_type_t protocol_send_type() const override
   {
@@ -5520,10 +5510,9 @@ public:
 
 class Type_handler_double: public Type_handler_real_result
 {
-  static const Name m_name_double;
 public:
   virtual ~Type_handler_double() {}
-  const Name name() const override { return m_name_double; }
+  const Name name() const override;
   enum_field_types field_type() const override { return MYSQL_TYPE_DOUBLE; }
   protocol_send_type_t protocol_send_type() const override
   {
@@ -5581,10 +5570,9 @@ public:
 
 class Type_handler_time_common: public Type_handler_temporal_result
 {
-  static const Name m_name_time;
 public:
   virtual ~Type_handler_time_common() { }
-  const Name name() const override { return m_name_time; }
+  const Name name() const override;
   const Name &default_value() const override;
   enum_field_types field_type() const override { return MYSQL_TYPE_TIME; }
   enum_dynamic_column_type dyncol_type(const Type_all_attributes *attr)
@@ -5775,10 +5763,9 @@ public:
 
 class Type_handler_date_common: public Type_handler_temporal_with_date
 {
-  static const Name m_name_date;
 public:
   virtual ~Type_handler_date_common() {}
-  const Name name() const override { return m_name_date; }
+  const Name name() const override;
   const Name &default_value() const override;
   const Type_handler *type_handler_for_comparison() const override;
   enum_field_types field_type() const override { return MYSQL_TYPE_DATE; }
@@ -5894,10 +5881,9 @@ public:
 
 class Type_handler_datetime_common: public Type_handler_temporal_with_date
 {
-  static const Name m_name_datetime;
 public:
   virtual ~Type_handler_datetime_common() {}
-  const Name name() const override { return m_name_datetime; }
+  const Name name() const override;
   const Name &default_value() const override;
   const Type_handler *type_handler_for_comparison() const override;
   enum_field_types field_type() const override
@@ -6032,12 +6018,11 @@ public:
 
 class Type_handler_timestamp_common: public Type_handler_temporal_with_date
 {
-  static const Name m_name_timestamp;
 protected:
   bool TIME_to_native(THD *, const MYSQL_TIME *from, Native *to, uint dec) const;
 public:
   virtual ~Type_handler_timestamp_common() {}
-  const Name name() const override { return m_name_timestamp; }
+  const Name name() const override;
   const Name &default_value() const override;
   const Type_handler *type_handler_for_comparison() const override;
   const Type_handler *type_handler_for_native_format() const override;
@@ -6192,10 +6177,9 @@ public:
 
 class Type_handler_olddecimal: public Type_handler_decimal_result
 {
-  static const Name m_name_decimal;
 public:
   virtual ~Type_handler_olddecimal() {}
-  const Name name() const override { return m_name_decimal; }
+  const Name name() const override;
   enum_field_types field_type() const override { return MYSQL_TYPE_DECIMAL; }
   uint32 max_display_length_for_field(const Conv_source &src) const override;
   uint32 calc_pack_length(uint32 length) const override { return length; }
@@ -6228,10 +6212,9 @@ public:
 
 class Type_handler_newdecimal: public Type_handler_decimal_result
 {
-  static const Name m_name_decimal;
 public:
   virtual ~Type_handler_newdecimal() {}
-  const Name name() const override { return m_name_decimal; }
+  const Name name() const override;
   enum_field_types field_type() const override { return MYSQL_TYPE_NEWDECIMAL; }
   uint32 max_display_length_for_field(const Conv_source &src) const override;
   uint32 calc_pack_length(uint32 length) const override;
@@ -6271,10 +6254,9 @@ public:
 
 class Type_handler_null: public Type_handler_general_purpose_string
 {
-  static const Name m_name_null;
 public:
   virtual ~Type_handler_null() {}
-  const Name name() const override { return m_name_null; }
+  const Name name() const override;
   enum_field_types field_type() const override { return MYSQL_TYPE_NULL; }
   enum_dynamic_column_type dyncol_type(const Type_all_attributes *attr)
                                        const override
@@ -6339,10 +6321,9 @@ public:
 
 class Type_handler_string: public Type_handler_longstr
 {
-  static const Name m_name_char;
 public:
   virtual ~Type_handler_string() {}
-  const Name name() const override { return m_name_char; }
+  const Name name() const override;
   enum_field_types field_type() const override { return MYSQL_TYPE_STRING; }
   bool is_param_long_data_type() const override { return true; }
   uint32 max_display_length_for_field(const Conv_source &src) const override;
@@ -6380,10 +6361,9 @@ public:
 /* Old varchar */
 class Type_handler_var_string: public Type_handler_string
 {
-  static const Name m_name_var_string;
 public:
   virtual ~Type_handler_var_string() {}
-  const Name name() const override { return m_name_var_string; }
+  const Name name() const override;
   enum_field_types field_type() const override { return MYSQL_TYPE_VAR_STRING; }
   enum_field_types real_field_type() const override { return MYSQL_TYPE_STRING; }
   enum_field_types traditional_merge_field_type() const override
@@ -6412,10 +6392,9 @@ public:
 
 class Type_handler_varchar: public Type_handler_longstr
 {
-  static const Name m_name_varchar;
 public:
   virtual ~Type_handler_varchar() {}
-  const Name name() const override { return m_name_varchar; }
+  const Name name() const override;
   enum_field_types field_type() const override { return MYSQL_TYPE_VARCHAR; }
   enum_field_types type_code_for_protocol() const override
   {
@@ -6469,10 +6448,9 @@ public:
 
 class Type_handler_hex_hybrid: public Type_handler_varchar
 {
-  static const Name m_name_hex_hybrid;
 public:
   virtual ~Type_handler_hex_hybrid() {}
-  const Name name() const override { return m_name_hex_hybrid; }
+  const Name name() const override;
   const Type_handler *cast_to_int_type_handler() const override;
   const Type_handler *type_handler_for_system_time() const override;
 };
@@ -6571,11 +6549,10 @@ public:
 
 class Type_handler_tiny_blob: public Type_handler_blob_common
 {
-  static const Name m_name_tinyblob;
 public:
   virtual ~Type_handler_tiny_blob() {}
   uint length_bytes() const override { return 1; }
-  const Name name() const override { return m_name_tinyblob; }
+  const Name name() const override;
   enum_field_types field_type() const override { return MYSQL_TYPE_TINY_BLOB; }
   uint32 max_display_length_for_field(const Conv_source &src) const override;
   uint32 calc_pack_length(uint32 length) const override;
@@ -6590,11 +6567,10 @@ public:
 
 class Type_handler_medium_blob: public Type_handler_blob_common
 {
-  static const Name m_name_mediumblob;
 public:
   virtual ~Type_handler_medium_blob() {}
   uint length_bytes() const override { return 3; }
-  const Name name() const override { return m_name_mediumblob; }
+  const Name name() const override;
   enum_field_types field_type() const override { return MYSQL_TYPE_MEDIUM_BLOB; }
   uint32 max_display_length_for_field(const Conv_source &src) const override;
   uint32 calc_pack_length(uint32 length) const override;
@@ -6609,11 +6585,10 @@ public:
 
 class Type_handler_long_blob: public Type_handler_blob_common
 {
-  static const Name m_name_longblob;
 public:
   virtual ~Type_handler_long_blob() {}
   uint length_bytes() const override { return 4; }
-  const Name name() const override { return m_name_longblob; }
+  const Name name() const override;
   enum_field_types field_type() const override { return MYSQL_TYPE_LONG_BLOB; }
   uint32 max_display_length_for_field(const Conv_source &src) const override;
   uint32 calc_pack_length(uint32 length) const override;
@@ -6630,11 +6605,10 @@ public:
 
 class Type_handler_blob: public Type_handler_blob_common
 {
-  static const Name m_name_blob;
 public:
   virtual ~Type_handler_blob() {}
   uint length_bytes() const override { return 2; }
-  const Name name() const override { return m_name_blob; }
+  const Name name() const override;
   enum_field_types field_type() const override { return MYSQL_TYPE_BLOB; }
   uint32 max_display_length_for_field(const Conv_source &src) const override;
   uint32 calc_pack_length(uint32 length) const override;
@@ -6707,10 +6681,9 @@ public:
 
 class Type_handler_enum: public Type_handler_typelib
 {
-  static const Name m_name_enum;
 public:
   virtual ~Type_handler_enum() {}
-  const Name name() const override { return m_name_enum; }
+  const Name name() const override;
   enum_field_types real_field_type() const override { return MYSQL_TYPE_ENUM; }
   enum_field_types traditional_merge_field_type() const override
   {
@@ -6747,10 +6720,9 @@ public:
 
 class Type_handler_set: public Type_handler_typelib
 {
-  static const Name m_name_set;
 public:
   virtual ~Type_handler_set() {}
-  const Name name() const override { return m_name_set; }
+  const Name name() const override;
   enum_field_types real_field_type() const override { return MYSQL_TYPE_SET; }
   enum_field_types traditional_merge_field_type() const override
   {
diff --git a/sql/sql_type_geom.cc b/sql/sql_type_geom.cc
index c5a4626c58e..49b0848cf5e 100644
--- a/sql/sql_type_geom.cc
+++ b/sql/sql_type_geom.cc
@@ -23,23 +23,53 @@
 #include "sql_type_geom.h"
 #include "item_geofunc.h"
 
-const Name
-  Type_handler_geometry::
-    m_name_geometry(STRING_WITH_LEN("geometry")),
-  Type_handler_point::
-    m_name_point(STRING_WITH_LEN("point")),
-  Type_handler_linestring::
-    m_name_linestring(STRING_WITH_LEN("linestring")),
-  Type_handler_polygon::
-    m_name_polygon(STRING_WITH_LEN("polygon")),
-  Type_handler_multipoint::
-    m_name_multipoint(STRING_WITH_LEN("multipoint")),
-  Type_handler_multilinestring::
-    m_name_multilinestring(STRING_WITH_LEN("multilinestring")),
-  Type_handler_multipolygon::
-    m_name_multipolygon(STRING_WITH_LEN("multipolygon")),
-  Type_handler_geometrycollection::
-    m_name_geometrycollection(STRING_WITH_LEN("geometrycollection"));
+const Name Type_handler_geometry::name() const
+{
+  static const Name tmp(STRING_WITH_LEN("geometry"));
+  return tmp;
+}
+
+const Name Type_handler_point::name() const
+{
+  static const Name tmp(STRING_WITH_LEN("point"));
+  return tmp;
+}
+
+const Name Type_handler_linestring::name() const
+{
+  static const Name tmp(STRING_WITH_LEN("linestring"));
+  return tmp;
+}
+
+const Name Type_handler_polygon::name() const
+{
+  static const Name tmp(STRING_WITH_LEN("polygon"));
+  return tmp;
+}
+
+const Name Type_handler_multipoint::name() const
+{
+  static const Name tmp(STRING_WITH_LEN("multipoint"));
+  return tmp;
+}
+
+const Name Type_handler_multilinestring::name() const
+{
+  static const Name tmp(STRING_WITH_LEN("multilinestring"));
+  return tmp;
+}
+
+const Name Type_handler_multipolygon::name() const
+{
+  static const Name tmp(STRING_WITH_LEN("multipolygon"));
+  return tmp;
+}
+
+const Name Type_handler_geometrycollection::name() const
+{
+  static const Name tmp(STRING_WITH_LEN("geometrycollection"));
+  return tmp;
+}
 
 
 Type_handler_geometry           type_handler_geometry;
diff --git a/sql/sql_type_geom.h b/sql/sql_type_geom.h
index 1c8fb097808..6f87a7312cd 100644
--- a/sql/sql_type_geom.h
+++ b/sql/sql_type_geom.h
@@ -27,7 +27,6 @@
 #ifdef HAVE_SPATIAL
 class Type_handler_geometry: public Type_handler_string_result
 {
-  static const Name m_name_geometry;
 public:
   enum geometry_types
   {
@@ -42,7 +41,7 @@ public:
   static const Type_handler_geometry *type_handler_geom_by_type(uint type);
 public:
   virtual ~Type_handler_geometry() {}
-  const Name name() const override { return m_name_geometry; }
+  const Name name() const override;
   enum_field_types field_type() const override { return MYSQL_TYPE_GEOMETRY; }
   bool is_param_long_data_type() const override { return true; }
   uint32 max_display_length_for_field(const Conv_source &src) const override;
@@ -172,12 +171,11 @@ public:
 
 class Type_handler_point: public Type_handler_geometry
 {
-  static const Name m_name_point;
   // Binary length of a POINT value: 4 byte SRID + 21 byte WKB POINT
   static uint octet_length() { return 25; }
 public:
   geometry_types geometry_type() const override { return GEOM_POINT; }
-  const Name name() const override { return m_name_point; }
+  const Name name() const override;
   Item *make_constructor_item(THD *thd, List<Item> *args) const override;
   bool Key_part_spec_init_primary(Key_part_spec *part,
                                   const Column_definition &def,
@@ -197,60 +195,54 @@ public:
 
 class Type_handler_linestring: public Type_handler_geometry
 {
-  static const Name m_name_linestring;
 public:
   geometry_types geometry_type() const override { return GEOM_LINESTRING; }
-  const Name name() const override { return m_name_linestring; }
+  const Name name() const override;
   Item *make_constructor_item(THD *thd, List<Item> *args) const override;
 };
 
 
 class Type_handler_polygon: public Type_handler_geometry
 {
-  static const Name m_name_polygon;
 public:
   geometry_types geometry_type() const override { return GEOM_POLYGON; }
-  const Name name() const override { return m_name_polygon; }
+  const Name name() const override;
   Item *make_constructor_item(THD *thd, List<Item> *args) const override;
 };
 
 
 class Type_handler_multipoint: public Type_handler_geometry
 {
-  static const Name m_name_multipoint;
 public:
   geometry_types geometry_type() const override { return GEOM_MULTIPOINT; }
-  const Name name() const override { return m_name_multipoint; }
+  const Name name() const override;
   Item *make_constructor_item(THD *thd, List<Item> *args) const override;
 };
 
 
 class Type_handler_multilinestring: public Type_handler_geometry
 {
-  static const Name m_name_multilinestring;
 public:
   geometry_types geometry_type() const override { return GEOM_MULTILINESTRING; }
-  const Name name() const override { return m_name_multilinestring; }
+  const Name name() const override;
   Item *make_constructor_item(THD *thd, List<Item> *args) const override;
 };
 
 
 class Type_handler_multipolygon: public Type_handler_geometry
 {
-  static const Name m_name_multipolygon;
 public:
   geometry_types geometry_type() const override { return GEOM_MULTIPOLYGON; }
-  const Name name() const override { return m_name_multipolygon; }
+  const Name name() const override;
   Item *make_constructor_item(THD *thd, List<Item> *args) const override;
 };
 
 
 class Type_handler_geometrycollection: public Type_handler_geometry
 {
-  static const Name m_name_geometrycollection;
 public:
   geometry_types geometry_type() const override { return GEOM_GEOMETRYCOLLECTION; }
-  const Name name() const override { return m_name_geometrycollection; }
+  const Name name() const override;
   Item *make_constructor_item(THD *thd, List<Item> *args) const override;
 };