wren
135 lines
3.7 KiB
SQL
135 lines
3.7 KiB
SQL
-- ============================================================================
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-- RAG 公共知识库未归属默认项迁移前检查
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--
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-- 用途：
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-- 检查历史 tenant_code 为空，area 为空/default/公共，且 is_public=true 的 RAG 知识库/应用。
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-- 这些记录在页面显示为“未分配地区”，且如果 is_default=true，会导致无法删除。
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--
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-- 执行：
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-- psql -h <host> -U <user> -d <db_name> -v ON_ERROR_STOP=1 \
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-- -f scripts/创建sql/precheck_rag_public_orphan_defaults.sql
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-- ============================================================================
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-- 1. 历史未归属公共知识库迁移候选
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SELECT
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d.id,
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d.name,
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d.description,
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d.area,
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d.tenant_code,
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d.is_public,
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d.is_default,
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d.status,
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d.created_at,
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d.updated_at
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FROM public.rag_dataset d
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WHERE d.deleted_at IS NULL
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AND (d.tenant_code IS NULL OR BTRIM(d.tenant_code) = '')
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AND d.is_public IS TRUE
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AND (
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d.area IS NULL
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OR BTRIM(d.area) = ''
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OR LOWER(BTRIM(d.area)) = 'default'
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OR BTRIM(d.area) = '公共'
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)
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ORDER BY d.is_default DESC, d.created_at DESC, d.id DESC;
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-- 2. 当前 PUBLIC 组默认知识库
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SELECT
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d.id,
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d.name,
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d.description,
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d.area,
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d.tenant_code,
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d.is_public,
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d.is_default,
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d.status,
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d.created_at,
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d.updated_at
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FROM public.rag_dataset d
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WHERE d.deleted_at IS NULL
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AND BTRIM(COALESCE(d.tenant_code, '')) = 'PUBLIC'
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ORDER BY d.is_default DESC, d.created_at DESC, d.id DESC;
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-- 3. 迁移后 PUBLIC 组默认冲突预览
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WITH candidate AS (
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SELECT
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d.id,
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d.name,
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d.area,
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CASE
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WHEN BTRIM(COALESCE(d.tenant_code, '')) = 'PUBLIC' THEN 'existing_public'
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ELSE 'orphan_public'
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END AS source_scope,
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COALESCE(NULLIF(BTRIM(d.tenant_code), ''), 'PUBLIC') AS target_tenant_code,
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d.is_default,
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d.is_public,
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d.created_at
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FROM public.rag_dataset d
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WHERE d.deleted_at IS NULL
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AND (
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BTRIM(COALESCE(d.tenant_code, '')) = 'PUBLIC'
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OR (
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(d.tenant_code IS NULL OR BTRIM(d.tenant_code) = '')
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AND d.is_public IS TRUE
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AND (
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d.area IS NULL
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OR BTRIM(d.area) = ''
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OR LOWER(BTRIM(d.area)) = 'default'
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OR BTRIM(d.area) = '公共'
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)
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)
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)
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),
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ranked AS (
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SELECT
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c.*,
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ROW_NUMBER() OVER (
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PARTITION BY c.target_tenant_code
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ORDER BY
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c.is_default DESC,
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CASE WHEN c.source_scope = 'existing_public' THEN 0 ELSE 1 END,
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c.created_at DESC,
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c.id DESC
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) AS keep_default_rank
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FROM candidate c
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)
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SELECT
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target_tenant_code,
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id,
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name,
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area,
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source_scope,
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is_public,
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is_default AS current_is_default,
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keep_default_rank,
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CASE WHEN keep_default_rank = 1 THEN '迁移后保留默认' ELSE '迁移后取消默认' END AS planned_default_action
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FROM ranked
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ORDER BY target_tenant_code, keep_default_rank, id;
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-- 4. 关联应用候选
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SELECT
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a.id,
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a.name,
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a.area,
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a.tenant_code,
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a.dataset_id,
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a.is_default,
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a.status,
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a.created_at,
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a.updated_at
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FROM public.rag_chat_app a
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JOIN public.rag_dataset d ON d.id = a.dataset_id
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WHERE a.deleted_at IS NULL
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AND d.deleted_at IS NULL
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AND (a.tenant_code IS NULL OR BTRIM(a.tenant_code) = '')
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AND (d.tenant_code IS NULL OR BTRIM(d.tenant_code) = '')
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AND d.is_public IS TRUE
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AND (
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d.area IS NULL
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OR BTRIM(d.area) = ''
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OR LOWER(BTRIM(d.area)) = 'default'
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OR BTRIM(d.area) = '公共'
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)
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ORDER BY a.is_default DESC, a.created_at DESC, a.id DESC;
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