47 lines
1.2 KiB
SQL
47 lines
1.2 KiB
SQL
/*
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* This is necessary because SQLite does not support
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* RENAME INDEX or ALTER TABLE CHANGE COLUMN.
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*/
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BEGIN TRANSACTION;
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CREATE TEMPORARY TABLE image_properties_backup (
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id INTEGER NOT NULL,
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image_id INTEGER NOT NULL,
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name VARCHAR(255) NOT NULL,
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value TEXT,
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created_at DATETIME NOT NULL,
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updated_at DATETIME,
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deleted_at DATETIME,
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deleted BOOLEAN NOT NULL,
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PRIMARY KEY (id)
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);
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INSERT INTO image_properties_backup
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SELECT id, image_id, key, value, created_at, updated_at, deleted_at, deleted
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FROM image_properties;
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DROP TABLE image_properties;
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CREATE TABLE image_properties (
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id INTEGER NOT NULL,
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image_id INTEGER NOT NULL,
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name VARCHAR(255) NOT NULL,
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value TEXT,
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created_at DATETIME NOT NULL,
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updated_at DATETIME,
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deleted_at DATETIME,
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deleted BOOLEAN NOT NULL,
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PRIMARY KEY (id),
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CHECK (deleted IN (0, 1)),
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UNIQUE (image_id, name),
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FOREIGN KEY(image_id) REFERENCES images (id)
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);
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CREATE INDEX ix_image_properties_name ON image_properties (name);
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INSERT INTO image_properties (id, image_id, name, value, created_at, updated_at, deleted_at, deleted)
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SELECT id, image_id, name, value, created_at, updated_at, deleted_at, deleted
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FROM image_properties_backup;
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DROP TABLE image_properties_backup;
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COMMIT;
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