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f88fa33e5f
That's why I created a new column storing a MD5 hash of the path and made it unique. The MD5 hash has only 32 characters and can be generated natively in MySQL and MariaDB. It helps us to avoid maximum key length and in the same time enforce unique photo and album paths. - Added path_hash column to photo and album tables - Added down migration file for 005_utf8_migration (just for consistency) - Added PathHash field to Album and Photo struct - album_scanner.go and photo_scanner.goo perform checks by MD5 hash now
55 lines
1.5 KiB
SQL
55 lines
1.5 KiB
SQL
CREATE TABLE IF NOT EXISTS photo_exif (
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exif_id int NOT NULL AUTO_INCREMENT,
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camera varchar(256),
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maker varchar(256),
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lens varchar(256),
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dateShot timestamp NULL,
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exposure varchar(256),
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aperture float,
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iso int(6),
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focal_length float,
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flash varchar(256),
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orientation int(1),
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exposure_program int(1),
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PRIMARY KEY (exif_id)
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);
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CREATE TABLE IF NOT EXISTS album (
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album_id int NOT NULL AUTO_INCREMENT,
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title varchar(256) NOT NULL,
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parent_album int,
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owner_id int NOT NULL,
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path varchar(512) NOT NULL,
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path_hash varchar(32) NOT NULL UNIQUE,
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PRIMARY KEY (album_id),
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FOREIGN KEY (parent_album) REFERENCES album(album_id) ON DELETE CASCADE,
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FOREIGN KEY (owner_id) REFERENCES user(user_id) ON DELETE CASCADE
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);
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CREATE TABLE IF NOT EXISTS photo (
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photo_id int NOT NULL AUTO_INCREMENT,
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title varchar(256) NOT NULL,
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path varchar(1024) NOT NULL,
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path_hash varchar(32) NOT NULL UNIQUE,
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album_id int NOT NULL,
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exif_id int,
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PRIMARY KEY (photo_id),
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FOREIGN KEY (album_id) REFERENCES album(album_id) ON DELETE CASCADE,
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FOREIGN KEY (exif_id) REFERENCES photo_exif(exif_id) ON DELETE CASCADE
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);
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CREATE TABLE IF NOT EXISTS photo_url (
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url_id int NOT NULL AUTO_INCREMENT,
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photo_id int NOT NULL,
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photo_name varchar(512) NOT NULL,
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width int NOT NULL,
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height int NOT NULL,
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purpose varchar(64) NOT NULL,
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content_type varchar(64) NOT NULL,
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PRIMARY KEY (url_id),
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FOREIGN KEY (photo_id) REFERENCES photo(photo_id) ON DELETE CASCADE
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); |