qwer-xyz
77 lines
2.1 KiB
SQL
77 lines
2.1 KiB
SQL
-- 简化镜像管理：移除 Image 表，直接在 HostImage 中存储镜像信息
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-- 1. 备份现有数据（如果需要恢复）
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-- 创建临时表保存现有的 host_images 数据
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CREATE TEMP TABLE temp_host_images AS
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SELECT
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hi.id,
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hi.host_id,
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i.remote_alias as image_id,
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i.name,
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i.os_type,
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i.remote_alias,
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COALESCE(i.icon, SPLIT_PART(i.remote_alias, '/', 1)) as icon,
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hi.fingerprint,
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hi.alias,
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hi.size,
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hi.status,
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hi.error_message,
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hi.synced_at,
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hi.created_at,
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hi.updated_at
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FROM host_images hi
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JOIN images i ON hi.image_id = i.id;
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-- 2. 删除外键约束和旧表
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DROP TABLE IF EXISTS host_images;
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DROP TABLE IF EXISTS images;
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-- 3. 创建新的 host_images 表
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CREATE TABLE host_images (
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id SERIAL PRIMARY KEY,
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host_id INTEGER NOT NULL,
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image_id VARCHAR(100) NOT NULL,
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name VARCHAR(100) NOT NULL,
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os_type VARCHAR(50) NOT NULL DEFAULT 'Linux',
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remote_alias VARCHAR(200) NOT NULL,
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icon VARCHAR(50),
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fingerprint VARCHAR(100),
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alias VARCHAR(100),
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size INTEGER NOT NULL DEFAULT 0,
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status VARCHAR(20) NOT NULL DEFAULT 'pending',
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error_message TEXT,
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synced_at TIMESTAMP,
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created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
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updated_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
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CONSTRAINT fk_host_images_host FOREIGN KEY (host_id) REFERENCES hosts(id) ON DELETE CASCADE,
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CONSTRAINT uq_host_images_host_image UNIQUE (host_id, image_id)
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);
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-- 4. 创建索引
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CREATE INDEX idx_host_images_host_id ON host_images(host_id);
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-- 5. 恢复数据（将 remote_alias 转换为 image_id 格式）
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INSERT INTO host_images (
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host_id, image_id, name, os_type, remote_alias, icon,
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fingerprint, alias, size, status, error_message, synced_at, created_at, updated_at
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)
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SELECT
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host_id,
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LOWER(REPLACE(REPLACE(remote_alias, '/', '-'), '.', '-')) as image_id,
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name,
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os_type,
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remote_alias,
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icon,
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fingerprint,
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alias,
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size,
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status::VARCHAR,
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error_message,
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synced_at,
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created_at,
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updated_at
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FROM temp_host_images;
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-- 6. 清理临时表
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DROP TABLE temp_host_images;
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