23 lines
1013 B
MySQL
23 lines
1013 B
MySQL
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CREATE TABLE `currencies` (
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`id` int(10) unsigned NOT NULL AUTO_INCREMENT,
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`community_id` int(10) unsigned NOT NULL,
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`currency` varchar(3) NOT NULL,
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`round_digits` tinyint(1) unsigned NOT NULL,
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PRIMARY KEY (`id`),
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UNIQUE KEY `unique_currency_for_community` (`community_id`, `currency`),
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KEY `community_id` (`community_id`),
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KEY `currency` (`currency`),
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CONSTRAINT `currencies_community_id` FOREIGN KEY (`community_id`) REFERENCES `communities` (`id`)
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) ENGINE = InnoDB DEFAULT CHARSET = utf8mb4;
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CREATE TABLE `currency_exchange_rates` (
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`id` int(10) unsigned NOT NULL AUTO_INCREMENT,
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`currency_id` int(10) unsigned NOT NULL,
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`exchange_rate` decimal(19,9) unsigned NOT NULL,
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`valid_from` timestamp NOT NULL DEFAULT current_timestamp(),
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PRIMARY KEY (`id`),
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KEY `currency_id` (`currency_id`),
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INDEX `valid_from` (`valid_from`),
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CONSTRAINT `currency_exchange_rates_currency_id` FOREIGN KEY (`currency_id`) REFERENCES `currencies` (`id`)
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) ENGINE = InnoDB DEFAULT CHARSET = utf8mb4;
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