31 lines
1.3 KiB
MySQL
31 lines
1.3 KiB
MySQL
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-- Add user tracking columns to tickets table
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ALTER TABLE tickets
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ADD COLUMN IF NOT EXISTS created_by INT,
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ADD COLUMN IF NOT EXISTS updated_by INT,
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ADD COLUMN IF NOT EXISTS updated_at TIMESTAMP NULL;
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-- Add foreign key constraints if they don't exist
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SET @fk_exists = (SELECT COUNT(*) FROM INFORMATION_SCHEMA.TABLE_CONSTRAINTS
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WHERE CONSTRAINT_NAME = 'fk_tickets_created_by'
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AND TABLE_NAME = 'tickets'
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AND TABLE_SCHEMA = DATABASE());
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SET @sql = IF(@fk_exists = 0,
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'ALTER TABLE tickets ADD CONSTRAINT fk_tickets_created_by FOREIGN KEY (created_by) REFERENCES users(user_id) ON DELETE SET NULL',
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'SELECT "Foreign key fk_tickets_created_by already exists"');
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PREPARE stmt FROM @sql;
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EXECUTE stmt;
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DEALLOCATE PREPARE stmt;
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SET @fk_exists = (SELECT COUNT(*) FROM INFORMATION_SCHEMA.TABLE_CONSTRAINTS
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WHERE CONSTRAINT_NAME = 'fk_tickets_updated_by'
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AND TABLE_NAME = 'tickets'
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AND TABLE_SCHEMA = DATABASE());
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SET @sql = IF(@fk_exists = 0,
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'ALTER TABLE tickets ADD CONSTRAINT fk_tickets_updated_by FOREIGN KEY (updated_by) REFERENCES users(user_id) ON DELETE SET NULL',
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'SELECT "Foreign key fk_tickets_updated_by already exists"');
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PREPARE stmt FROM @sql;
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EXECUTE stmt;
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DEALLOCATE PREPARE stmt;
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