43 lines
1.3 KiB
SQL
43 lines
1.3 KiB
SQL
-- Update database to hash indexed paths
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CREATE PROCEDURE MigratePathHashIfNeeded()
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BEGIN
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-- Add path hash for photo table if it doesn't exist
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IF NOT EXISTS( SELECT *
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FROM INFORMATION_SCHEMA.COLUMNS
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WHERE table_name = 'photo'
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AND table_schema = DATABASE()
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AND column_name = 'path_hash') THEN
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-- Remove unique index from photo.path
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ALTER TABLE photo DROP INDEX path;
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-- Add path_hash and set it to the md5 hash based of the path attribute
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ALTER TABLE photo ADD path_hash varchar(32);
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UPDATE photo p SET path_hash = md5(p.path);
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ALTER TABLE photo MODIFY path_hash varchar(32) NOT NULL UNIQUE;
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END IF;
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-- Add path hash for album table if it doesn't exist
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IF NOT EXISTS( SELECT *
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FROM INFORMATION_SCHEMA.COLUMNS
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WHERE table_name = 'album'
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AND table_schema = DATABASE()
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AND column_name = 'path_hash') THEN
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-- Remove unique index from album.path
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ALTER TABLE album DROP INDEX path;
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-- Add path_hash and set it to the md5 hash based of the path attribute
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ALTER TABLE album ADD path_hash varchar(32);
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UPDATE album a SET path_hash = md5(a.path);
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ALTER TABLE album MODIFY path_hash varchar(32) NOT NULL UNIQUE;
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END IF;
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END; -- MigratePathHashIfNeeded procedure end
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CALL MigratePathHashIfNeeded();
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DROP PROCEDURE MigratePathHashIfNeeded; |