38 lines
1.1 KiB
MySQL
38 lines
1.1 KiB
MySQL
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-- Add categorization column
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ALTER TABLE feeds ADD COLUMN categorization JSON NOT NULL DEFAULT '[]';
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-- Add CHECK constraint
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CREATE TRIGGER validate_feed_categorization
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AFTER INSERT ON feeds
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BEGIN
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SELECT CASE
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WHEN NOT (
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json_valid(NEW.categorization)
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AND json_type(NEW.categorization) = 'array'
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AND (
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SELECT COUNT(*)
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FROM json_each(NEW.categorization)
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WHERE json_type(value) != 'text'
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) = 0
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)
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THEN RAISE(ROLLBACK, 'categorization must be an array of strings')
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END;
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END;
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CREATE TRIGGER validate_feed_categorization_update
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AFTER UPDATE OF categorization ON feeds
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BEGIN
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SELECT CASE
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WHEN NOT (
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json_valid(NEW.categorization)
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AND json_type(NEW.categorization) = 'array'
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AND (
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SELECT COUNT(*)
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FROM json_each(NEW.categorization)
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WHERE json_type(value) != 'text'
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) = 0
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)
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THEN RAISE(ROLLBACK, 'categorization must be an array of strings')
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END;
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END;
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