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Replace one-to-one FileMetadata table with flexible ObjectMetadata KV pairs, add custom property definitions, WOPI Discovery auto-configuration, and per-extension action URL support. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
89 lines
3.6 KiB
PL/PgSQL
89 lines
3.6 KiB
PL/PgSQL
-- 迁移：文件元数据系统重构
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-- 将固定列 FileMetadata 表替换为灵活的 ObjectMetadata KV 表
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-- 日期：2026-02-23
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BEGIN;
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-- ==================== 1. object 表新增 mime_type 列 ====================
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ALTER TABLE object ADD COLUMN IF NOT EXISTS mime_type VARCHAR(127);
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-- ==================== 2. physicalfile 表新增 checksum_sha256 列 ====================
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ALTER TABLE physicalfile ADD COLUMN IF NOT EXISTS checksum_sha256 VARCHAR(64);
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-- ==================== 3. 创建 objectmetadata KV 表 ====================
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CREATE TABLE IF NOT EXISTS objectmetadata (
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id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
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created_at TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT CURRENT_TIMESTAMP,
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updated_at TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT CURRENT_TIMESTAMP,
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object_id UUID NOT NULL REFERENCES object(id) ON DELETE CASCADE,
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name VARCHAR(255) NOT NULL,
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value TEXT NOT NULL,
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is_public BOOLEAN NOT NULL DEFAULT false,
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CONSTRAINT uq_object_metadata_object_name UNIQUE (object_id, name)
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);
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CREATE INDEX IF NOT EXISTS ix_object_metadata_object_id
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ON objectmetadata (object_id);
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-- ==================== 4. 创建 custompropertydefinition 表 ====================
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CREATE TABLE IF NOT EXISTS custompropertydefinition (
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id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
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created_at TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT CURRENT_TIMESTAMP,
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updated_at TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT CURRENT_TIMESTAMP,
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owner_id UUID NOT NULL REFERENCES "user"(id) ON DELETE CASCADE,
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name VARCHAR(100) NOT NULL,
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type VARCHAR NOT NULL,
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icon VARCHAR(100),
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options JSON,
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default_value VARCHAR(500),
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sort_order INTEGER NOT NULL DEFAULT 0
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);
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CREATE INDEX IF NOT EXISTS ix_custompropertydefinition_owner_id
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ON custompropertydefinition (owner_id);
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-- ==================== 5. 迁移旧数据（从 filemetadata 到 objectmetadata）====================
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-- 将 filemetadata 中的数据迁移到 objectmetadata KV 格式
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DO $$
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BEGIN
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IF EXISTS (SELECT 1 FROM information_schema.tables WHERE table_name = 'filemetadata') THEN
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-- 同时将 mime_type 上提到 object 表
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UPDATE object o
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SET mime_type = fm.mime_type
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FROM filemetadata fm
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WHERE fm.object_id = o.id AND fm.mime_type IS NOT NULL;
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-- 将 checksum_sha256 迁移到 physicalfile 表
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UPDATE physicalfile pf
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SET checksum_sha256 = fm.checksum_sha256
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FROM filemetadata fm
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JOIN object o ON fm.object_id = o.id
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WHERE o.physical_file_id = pf.id AND fm.checksum_sha256 IS NOT NULL;
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-- 迁移 width → exif:width
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INSERT INTO objectmetadata (id, object_id, name, value, is_public)
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SELECT gen_random_uuid(), object_id, 'exif:width', CAST(width AS TEXT), true
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FROM filemetadata WHERE width IS NOT NULL;
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-- 迁移 height → exif:height
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INSERT INTO objectmetadata (id, object_id, name, value, is_public)
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SELECT gen_random_uuid(), object_id, 'exif:height', CAST(height AS TEXT), true
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FROM filemetadata WHERE height IS NOT NULL;
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-- 迁移 duration → stream:duration
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INSERT INTO objectmetadata (id, object_id, name, value, is_public)
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SELECT gen_random_uuid(), object_id, 'stream:duration', CAST(duration AS TEXT), true
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FROM filemetadata WHERE duration IS NOT NULL;
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-- 迁移 bitrate → stream:bitrate
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INSERT INTO objectmetadata (id, object_id, name, value, is_public)
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SELECT gen_random_uuid(), object_id, 'stream:bitrate', CAST(bitrate AS TEXT), true
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FROM filemetadata WHERE bitrate IS NOT NULL;
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-- 删除旧表
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DROP TABLE filemetadata;
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END IF;
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END $$;
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COMMIT;
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