You cannot select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
mediarepo/mediarepo-daemon/mediarepo-database/migrations/20220105184216_add-file-sta...

107 lines
3.0 KiB
MySQL

-- Add migration script here
PRAGMA foreign_keys= off;
-- create backup files table
ALTER TABLE files
RENAME TO _files_old;
-- create backup hashes table
ALTER TABLE hashes
RENAME TO _hashes_old;
-- create backup hash_tag_mappings table
ALTER TABLE hash_tag_mappings
RENAME TO _hash_tag_mappings_old;
-- create backup hash_source_mappings table
ALTER TABLE hash_source_mappings
RENAME TO _hash_source_mappings_old;
-- create content id table
CREATE TABLE content_descriptors
(
id INTEGER PRIMARY KEY AUTOINCREMENT,
descriptor BLOB NOT NULL
);
CREATE UNIQUE INDEX content_descriptor_values ON content_descriptors (descriptor);
-- create content-id tag mappings table
CREATE TABLE cd_tag_mappings
(
cd_id INTEGER NOT NULL REFERENCES content_descriptors (id),
tag_id INTEGER NOT NULL REFERENCES tags (id),
PRIMARY KEY (cd_id, tag_id)
);
CREATE UNIQUE INDEX content_descriptor_tag_mapping_unique ON cd_tag_mappings (cd_id, tag_id);
CREATE INDEX content_descriptor_tag_mapping_tag ON cd_tag_mappings (tag_id);
-- create content-id source mappings table
CREATE TABLE cd_source_mappings
(
cd_id INTEGER NOT NULL REFERENCES content_descriptors (id),
source_id INTEGER NOT NULL REFERENCES sources (id),
PRIMARY KEY (cd_id, source_id)
);
CREATE UNIQUE INDEX content_descriptor_source_mapping_unique ON cd_source_mappings (cd_id, source_id);
-- create new files table
CREATE TABLE files
(
id INTEGER PRIMARY KEY AUTOINCREMENT,
status INTEGER NOT NULL DEFAULT 10,
storage_id INTEGER NOT NULL REFERENCES storage_locations (id),
cd_id INTEGER NOT NULL REFERENCES content_descriptors (id),
mime_type VARCHAR(128) NOT NULL DEFAULT 'application/octet-stream'
);
CREATE INDEX files_contend_descriptor ON files (cd_id);
-- create metadata table
CREATE TABLE file_metadata
(
file_id INTEGER PRIMARY KEY REFERENCES files (id),
size INTEGER NOT NULL,
name VARCHAR(128),
comment VARCHAR(1024),
import_time DATETIME NOT NULL,
creation_time DATETIME NOT NULL,
change_time DATETIME NOT NULL
);
CREATE UNIQUE INDEX file_metadata_file_id_unique ON file_metadata (file_id);
-- add content identifiers from hashes table
INSERT INTO content_descriptors
SELECT id, value
FROM _hashes_old;
-- add files from files table
INSERT INTO files (id, storage_id, cd_id, mime_type)
SELECT id, storage_id, hash_id AS content_id, mime_type
FROM _files_old;
-- add metadata from files table
INSERT INTO file_metadata
SELECT id AS file_id, size, name, comment, import_time, creation_time, change_time
FROM _files_old;
-- add content tag mappings
INSERT INTO cd_tag_mappings
SELECT hash_id AS content_id, tag_id
FROM _hash_tag_mappings_old;
-- add content id source mappings
INSERT INTO cd_source_mappings
SELECT hash_id AS content_id, source_id
FROM _hash_source_mappings_old;
-- drop all old tables
DROP TABLE _hash_source_mappings_old;
DROP TABLE _hash_tag_mappings_old;
DROP TABLE _files_old;
DROP TABLE _hashes_old;
pragma foreign_keys= on;