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50 lines
1.3 KiB
SQL
50 lines
1.3 KiB
SQL
-- Add migration script here
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PRAGMA foreign_keys= off;
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-- rename old files table
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ALTER TABLE files
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RENAME TO _files_old;
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-- rename metadata value (because of foreign key constraints)
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ALTER TABLE file_metadata
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RENAME TO _file_metadata_old;
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-- create new files table
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CREATE TABLE files
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(
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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status INTEGER NOT NULL DEFAULT 10,
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cd_id INTEGER NOT NULL REFERENCES content_descriptors (id),
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mime_type VARCHAR(128) NOT NULL DEFAULT 'application/octet-stream'
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);
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-- add data from files table
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INSERT INTO files
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SELECT id, status, cd_id, mime_type
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FROM _files_old;
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-- create metadata table
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CREATE TABLE file_metadata
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(
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file_id INTEGER PRIMARY KEY REFERENCES files (id),
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size INTEGER NOT NULL,
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name VARCHAR(128),
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comment VARCHAR(1024),
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import_time DATETIME NOT NULL,
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creation_time DATETIME NOT NULL,
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change_time DATETIME NOT NULL
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);
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-- add back the old values
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INSERT INTO file_metadata
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SELECT *
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FROM _file_metadata_old;
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-- drop old tables
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DROP TABLE _file_metadata_old;
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DROP TABLE _files_old;
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DROP TABLE storage_locations;
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-- create indices on new tables
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CREATE UNIQUE INDEX file_metadata_file_id_unique ON file_metadata (file_id);
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CREATE INDEX files_content_descriptor ON files (cd_id);
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PRAGMA foreign_keys= on; |