/* Copyright (c) 2014, 2022, Oracle and/or its affiliates.

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License, version 2.0,
   as published by the Free Software Foundation.

   This program is also distributed with certain software (including
   but not limited to OpenSSL) that is licensed under separate terms,
   as designated in a particular file or component or in included license
   documentation.  The authors of MySQL hereby grant you an additional
   permission to link the program and your derivative works with the
   separately licensed software that they have included with MySQL.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License, version 2.0, for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA */

#include "sql/dd/impl/tables/columns.h"

#include <new>

#include "sql/dd/impl/raw/object_keys.h"       // Parent_id_range_key
#include "sql/dd/impl/tables/dd_properties.h"  // TARGET_DD_VERSION
#include "sql/dd/impl/types/object_table_definition_impl.h"

namespace dd {
namespace tables {

const Columns &Columns::instance() {
  static Columns *s_instance = new Columns();
  return *s_instance;
}

///////////////////////////////////////////////////////////////////////////

const CHARSET_INFO *Columns::name_collation() {
  return &my_charset_utf8_tolower_ci;
}

///////////////////////////////////////////////////////////////////////////

Columns::Columns() {
  m_target_def.set_table_name("columns");

  m_target_def.add_field(FIELD_ID, "FIELD_ID",
                         "id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT");
  m_target_def.add_field(FIELD_TABLE_ID, "FIELD_TABLE_ID",
                         "table_id BIGINT UNSIGNED NOT NULL");
  m_target_def.add_field(FIELD_NAME, "FIELD_NAME",
                         "name VARCHAR(64) NOT NULL COLLATE " +
                             String_type(name_collation()->m_coll_name));
  m_target_def.add_field(FIELD_ORDINAL_POSITION, "FIELD_ORDINAL_POSITION",
                         "ordinal_position INT UNSIGNED NOT NULL");
  m_target_def.add_field(FIELD_TYPE, "FIELD_TYPE",
                         "type ENUM(\n"
                         "    'MYSQL_TYPE_DECIMAL', 'MYSQL_TYPE_TINY',\n"
                         "    'MYSQL_TYPE_SHORT',  'MYSQL_TYPE_LONG',\n"
                         "    'MYSQL_TYPE_FLOAT',  'MYSQL_TYPE_DOUBLE',\n"
                         "    'MYSQL_TYPE_NULL', 'MYSQL_TYPE_TIMESTAMP',\n"
                         "    'MYSQL_TYPE_LONGLONG','MYSQL_TYPE_INT24',\n"
                         "    'MYSQL_TYPE_DATE',   'MYSQL_TYPE_TIME',\n"
                         "    'MYSQL_TYPE_DATETIME', 'MYSQL_TYPE_YEAR',\n"
                         "    'MYSQL_TYPE_NEWDATE', 'MYSQL_TYPE_VARCHAR',\n"
                         "    'MYSQL_TYPE_BIT', 'MYSQL_TYPE_TIMESTAMP2',\n"
                         "    'MYSQL_TYPE_DATETIME2', 'MYSQL_TYPE_TIME2',\n"
                         "    'MYSQL_TYPE_NEWDECIMAL', 'MYSQL_TYPE_ENUM',\n"
                         "    'MYSQL_TYPE_SET', 'MYSQL_TYPE_TINY_BLOB',\n"
                         "    'MYSQL_TYPE_MEDIUM_BLOB', "
                         "'MYSQL_TYPE_LONG_BLOB',\n"
                         "    'MYSQL_TYPE_BLOB', 'MYSQL_TYPE_VAR_STRING',\n"
                         "    'MYSQL_TYPE_STRING', 'MYSQL_TYPE_GEOMETRY',\n"
                         "    'MYSQL_TYPE_JSON'\n"
                         "  ) NOT NULL");
  m_target_def.add_field(FIELD_IS_NULLABLE, "FIELD_IS_NULLABLE",
                         "is_nullable BOOL NOT NULL");
  m_target_def.add_field(FIELD_IS_ZEROFILL, "FIELD_IS_ZEROFILL",
                         "is_zerofill BOOL");
  m_target_def.add_field(FIELD_IS_UNSIGNED, "FIELD_IS_UNSIGNED",
                         "is_unsigned BOOL");
  m_target_def.add_field(FIELD_CHAR_LENGTH, "FIELD_CHAR_LENGTH",
                         "char_length INT UNSIGNED");
  m_target_def.add_field(FIELD_NUMERIC_PRECISION, "FIELD_NUMERIC_PRECISION",
                         "numeric_precision INT UNSIGNED");
  m_target_def.add_field(FIELD_NUMERIC_SCALE, "FIELD_NUMERIC_SCALE",
                         "numeric_scale INT UNSIGNED");
  m_target_def.add_field(FIELD_DATETIME_PRECISION, "FIELD_DATETIME_PRECISION",
                         "datetime_precision INT UNSIGNED");
  m_target_def.add_field(FIELD_COLLATION_ID, "FIELD_COLLATION_ID",
                         "collation_id BIGINT UNSIGNED");
  m_target_def.add_field(FIELD_HAS_NO_DEFAULT, "FIELD_HAS_NO_DEFAULT",
                         "has_no_default BOOL");
  m_target_def.add_field(FIELD_DEFAULT_VALUE, "FIELD_DEFAULT_VALUE",
                         "default_value BLOB");
  m_target_def.add_field(FIELD_DEFAULT_VALUE_UTF8, "FIELD_DEFAULT_VALUE_UTF8",
                         "default_value_utf8 TEXT");
  m_target_def.add_field(FIELD_DEFAULT_OPTION, "FIELD_DEFAULT_OPTION",
                         "default_option BLOB");
  m_target_def.add_field(FIELD_UPDATE_OPTION, "FIELD_UPDATE_OPTION",
                         "update_option VARCHAR(32)");
  m_target_def.add_field(FIELD_IS_AUTO_INCREMENT, "FIELD_IS_AUTO_INCREMENT",
                         "is_auto_increment BOOL");
  m_target_def.add_field(FIELD_IS_VIRTUAL, "FIELD_IS_VIRTUAL",
                         "is_virtual BOOL");
  m_target_def.add_field(FIELD_GENERATION_EXPRESSION,
                         "FIELD_GENERATION_EXPRESSION",
                         "generation_expression LONGBLOB");
  m_target_def.add_field(FIELD_GENERATION_EXPRESSION_UTF8,
                         "FIELD_GENERATION_EXPRESSION_UTF8",
                         "generation_expression_utf8 LONGTEXT");
  m_target_def.add_field(FIELD_COMMENT, "FIELD_COMMENT",
                         "comment VARCHAR(2048) NOT NULL");
  m_target_def.add_field(
      FIELD_HIDDEN, "FIELD_HIDDEN",
      "hidden ENUM('Visible', 'SE', 'SQL', 'User') NOT NULL");
  m_target_def.add_field(FIELD_OPTIONS, "FIELD_OPTIONS", "options MEDIUMTEXT");
  m_target_def.add_field(FIELD_SE_PRIVATE_DATA, "FIELD_SE_PRIVATE_DATA",
                         "se_private_data MEDIUMTEXT");
  m_target_def.add_field(FIELD_COLUMN_KEY, "FIELD_COLUMN_KEY",
                         "column_key ENUM('','PRI','UNI','MUL') NOT NULL");
  m_target_def.add_field(FIELD_COLUMN_TYPE_UTF8, "FIELD_COLUMN_TYPE_UTF8",
                         "column_type_utf8 MEDIUMTEXT NOT NULL");
  m_target_def.add_field(FIELD_SRS_ID, "FIELD_SRS_ID",
                         "srs_id INT UNSIGNED DEFAULT NULL");
  m_target_def.add_field(FIELD_IS_EXPLICIT_COLLATION,
                         "FIELD_IS_EXPLICIT_COLLATION",
                         "is_explicit_collation BOOL");

  m_target_def.add_field(FIELD_ENGINE_ATTRIBUTE, "FIELD_ENGINE_ATTRIBUTE",
                         "engine_attribute JSON");
  m_target_def.add_field(FIELD_SECONDARY_ENGINE_ATTRIBUTE,
                         "FIELD_SECONDARY_ENGINE_ATTRIBUTE",
                         "secondary_engine_attribute JSON");

  m_target_def.add_index(INDEX_PK_ID, "INDEX_PK_ID", "PRIMARY KEY(id)");
  m_target_def.add_index(INDEX_UK_TABLE_ID_NAME, "INDEX_UK_TABLE_ID_NAME",
                         "UNIQUE KEY(table_id, name)");
  m_target_def.add_index(INDEX_UK_TABLE_ID_ORDINAL_POSITION,
                         "INDEX_UK_TABLE_ID_ORDINAL_POSITION",
                         "UNIQUE KEY(table_id, ordinal_position)");
  m_target_def.add_index(INDEX_K_COLLATION_ID, "INDEX_K_COLLATION_ID",
                         "KEY(collation_id)");
  m_target_def.add_index(INDEX_K_SRS_ID, "INDEX_K_SRS_ID", "KEY(srs_id)");

  m_target_def.add_foreign_key(FK_TABLE_ID, "FK_TABLES_ID",
                               "FOREIGN KEY (table_id) REFERENCES tables(id)");
  m_target_def.add_foreign_key(FK_COLLATION_ID, "FK_COLLATIONS_ID",
                               "FOREIGN KEY (collation_id) "
                               "REFERENCES collations(id)");
  m_target_def.add_foreign_key(FK_SRS_ID, "FK_SRS_ID",
                               "FOREIGN KEY (srs_id) "
                               "REFERENCES st_spatial_reference_systems(id)");
}

///////////////////////////////////////////////////////////////////////////

Object_key *Columns::create_key_by_table_id(Object_id table_id) {
  return new (std::nothrow)
      Parent_id_range_key(INDEX_UK_TABLE_ID_NAME, FIELD_TABLE_ID, table_id);
}

///////////////////////////////////////////////////////////////////////////

}  // namespace tables
}  // namespace dd
