columns.h

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#ifndef DD_TABLES__COLUMNS_INCLUDED
#define DD_TABLES__COLUMNS_INCLUDED
 
#include "sql/dd/impl/types/object_table_impl.h"  // dd::Object_table_impl
#include "sql/dd/object_id.h"                     // dd::Object_id
#include "sql/dd/string_type.h"
 
struct CHARSET_INFO;
 
namespace dd {
class Object_key;
 
namespace tables {
 
///////////////////////////////////////////////////////////////////////////
 
class Columns : public Object_table_impl {
 public:
  static const Columns &instance();
 
  static const CHARSET_INFO *name_collation();
 
  enum enum_fields {
    FIELD_ID = static_cast<uint>(Common_field::ID),
    FIELD_TABLE_ID,
    FIELD_NAME,
    FIELD_ORDINAL_POSITION,
    FIELD_TYPE,
    FIELD_IS_NULLABLE,
    FIELD_IS_ZEROFILL,
    FIELD_IS_UNSIGNED,
    FIELD_CHAR_LENGTH,
    FIELD_NUMERIC_PRECISION,
    FIELD_NUMERIC_SCALE,
    FIELD_DATETIME_PRECISION,
    FIELD_COLLATION_ID,
    FIELD_HAS_NO_DEFAULT,
    FIELD_DEFAULT_VALUE,
    FIELD_DEFAULT_VALUE_UTF8,
    FIELD_DEFAULT_OPTION,
    FIELD_UPDATE_OPTION,
    FIELD_IS_AUTO_INCREMENT,
    FIELD_IS_VIRTUAL,
    FIELD_GENERATION_EXPRESSION,
    FIELD_GENERATION_EXPRESSION_UTF8,
    FIELD_COMMENT,
    FIELD_HIDDEN,
    FIELD_OPTIONS,
    FIELD_SE_PRIVATE_DATA,
    FIELD_COLUMN_KEY,
    FIELD_COLUMN_TYPE_UTF8,
    FIELD_SRS_ID,
    FIELD_IS_EXPLICIT_COLLATION,
    FIELD_ENGINE_ATTRIBUTE,
    FIELD_SECONDARY_ENGINE_ATTRIBUTE,
    NUMBER_OF_FIELDS  // Always keep this entry at the end of the enum
  };
 
  enum enum_indexes {
    INDEX_PK_ID = static_cast<uint>(Common_index::PK_ID),
    INDEX_UK_TABLE_ID_NAME = static_cast<uint>(Common_index::UK_NAME),
    INDEX_UK_TABLE_ID_ORDINAL_POSITION,
    INDEX_K_COLLATION_ID,
    INDEX_K_SRS_ID
  };
 
  enum enum_foreign_keys { FK_TABLE_ID, FK_COLLATION_ID, FK_SRS_ID };
 
  Columns();
 
  static Object_key *create_key_by_table_id(Object_id table_id);
};
 
///////////////////////////////////////////////////////////////////////////
 
}  // namespace tables
}  // namespace dd
 
#endif  // DD_TABLES__COLUMNS_INCLUDED