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migrations/001_init.sql

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+-- kiri-mail-server 数据库初始化脚本
+-- 运行: mysql -u root -p < migrations/001_init.sql
+
+CREATE TABLE IF NOT EXISTS mail_domains (
+    id          INT AUTO_INCREMENT PRIMARY KEY,
+    domain      VARCHAR(255) NOT NULL UNIQUE,
+    description VARCHAR(500) DEFAULT '',
+    is_active   TINYINT(1) NOT NULL DEFAULT 1,
+    max_users   INT NOT NULL DEFAULT 100,
+    max_quota   BIGINT NOT NULL DEFAULT 0 COMMENT '0=unlimited, bytes',
+    created_at  INT NOT NULL,
+    updated_at  INT NOT NULL,
+    INDEX idx_domain (domain),
+    INDEX idx_active (is_active)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
+
+CREATE TABLE IF NOT EXISTS mail_users (
+    id          INT AUTO_INCREMENT PRIMARY KEY,
+    email       VARCHAR(320) NOT NULL UNIQUE,
+    domain_id   INT NOT NULL,
+    local_part  VARCHAR(128) NOT NULL,
+    password    VARCHAR(255) NOT NULL COMMENT 'bcrypt/argon2 hashed',
+    display_name VARCHAR(255) DEFAULT '',
+    is_active   TINYINT(1) NOT NULL DEFAULT 1,
+    quota       BIGINT NOT NULL DEFAULT 0 COMMENT '0=unlimited, bytes',
+    created_at  INT NOT NULL,
+    updated_at  INT NOT NULL,
+    INDEX idx_email (email),
+    INDEX idx_domain_id (domain_id),
+    FOREIGN KEY (domain_id) REFERENCES mail_domains(id) ON DELETE CASCADE
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
+
+CREATE TABLE IF NOT EXISTS mail_aliases (
+    id              INT AUTO_INCREMENT PRIMARY KEY,
+    source_email    VARCHAR(320) NOT NULL,
+    destination_email VARCHAR(320) NOT NULL,
+    domain_id       INT NOT NULL,
+    is_active       TINYINT(1) NOT NULL DEFAULT 1,
+    created_at      INT NOT NULL,
+    updated_at      INT NOT NULL,
+    INDEX idx_source (source_email),
+    INDEX idx_domain (domain_id),
+    FOREIGN KEY (domain_id) REFERENCES mail_domains(id) ON DELETE CASCADE
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
+
+CREATE TABLE IF NOT EXISTS mail_quotas (
+    id          INT AUTO_INCREMENT PRIMARY KEY,
+    user_id     INT NOT NULL UNIQUE,
+    used_bytes  BIGINT NOT NULL DEFAULT 0,
+    message_count INT NOT NULL DEFAULT 0,
+    updated_at  INT NOT NULL,
+    FOREIGN KEY (user_id) REFERENCES mail_users(id) ON DELETE CASCADE
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;