wren
283 lines
9.8 KiB
SQL
283 lines
9.8 KiB
SQL
-- ============================================================================
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-- Evaluation Points Tenant Cleanup Precheck
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-- 目标：
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-- 1. 在执行 schema_evaluation_points_tenant_cleanup.sql 前先识别风险
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-- 2. 输出 area 分布、无法映射记录、共享域残留、编码重复情况
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-- 3. 供 DBA / 开发在评审和落库前人工确认
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-- 说明：
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-- - 本脚本只读，不修改任何数据
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-- - 建议在生产、预发、测试库分别执行并保存结果
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-- ============================================================================
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-- --------------------------------------------------------------------------
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-- 0. 当前表结构确认
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-- --------------------------------------------------------------------------
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SELECT
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column_name,
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data_type,
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is_nullable
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FROM information_schema.columns
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WHERE table_schema = 'public'
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AND table_name = 'evaluation_points'
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ORDER BY ordinal_position;
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-- --------------------------------------------------------------------------
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-- 1. 基础体量
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-- --------------------------------------------------------------------------
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SELECT COUNT(*) AS total_points
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FROM public.evaluation_points;
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-- --------------------------------------------------------------------------
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-- 1.1 构建兼容旧库的预检视图
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-- - 若旧库还没有 tenant_code / tenant_name，则自动补 NULL 占位
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-- - 后续所有预检统一只读这个临时视图
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-- --------------------------------------------------------------------------
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DO $$
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DECLARE
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has_tenant_code BOOLEAN;
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has_tenant_name BOOLEAN;
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tenant_code_expr TEXT;
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tenant_name_expr TEXT;
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BEGIN
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SELECT EXISTS (
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SELECT 1
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FROM information_schema.columns
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WHERE table_schema = 'public'
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AND table_name = 'evaluation_points'
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AND column_name = 'tenant_code'
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) INTO has_tenant_code;
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SELECT EXISTS (
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SELECT 1
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FROM information_schema.columns
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WHERE table_schema = 'public'
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AND table_name = 'evaluation_points'
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AND column_name = 'tenant_name'
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) INTO has_tenant_name;
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tenant_code_expr := CASE
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WHEN has_tenant_code THEN 'tenant_code'
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ELSE 'NULL::VARCHAR(64) AS tenant_code'
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END;
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tenant_name_expr := CASE
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WHEN has_tenant_name THEN 'tenant_name'
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ELSE 'NULL::VARCHAR(128) AS tenant_name'
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END;
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EXECUTE format(
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'CREATE TEMP VIEW tmp_evaluation_points_precheck AS
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SELECT
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id,
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code,
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name,
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area,
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%s,
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%s
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FROM public.evaluation_points',
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tenant_code_expr,
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tenant_name_expr
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);
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END $$;
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SELECT
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COUNT(*) AS total_points,
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COUNT(*) FILTER (WHERE tenant_code IS NULL OR BTRIM(tenant_code) = '') AS missing_tenant_code,
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COUNT(*) FILTER (WHERE tenant_name IS NULL OR BTRIM(tenant_name) = '') AS missing_tenant_name,
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COUNT(*) FILTER (WHERE area IS NULL OR BTRIM(area) = '') AS blank_area
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FROM tmp_evaluation_points_precheck;
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-- --------------------------------------------------------------------------
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-- 2. area 值分布
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-- --------------------------------------------------------------------------
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SELECT
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COALESCE(NULLIF(BTRIM(area), ''), '<EMPTY>') AS area_value,
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COUNT(*) AS point_count
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FROM tmp_evaluation_points_precheck
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GROUP BY 1
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ORDER BY point_count DESC, area_value ASC;
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-- --------------------------------------------------------------------------
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-- 3. area 无法映射租户编码的残留清单
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-- 规则：别名表 -> 租户名 -> 共享域兼容值
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-- --------------------------------------------------------------------------
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WITH alias_map AS (
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SELECT DISTINCT ON (LOWER(BTRIM(alias_value)))
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LOWER(BTRIM(alias_value)) AS normalized_alias_value,
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tenant_code
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FROM public.sys_tenant_aliases
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WHERE deleted_at IS NULL
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AND is_enabled = TRUE
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ORDER BY LOWER(BTRIM(alias_value)), id ASC
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),
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tenant_name_map AS (
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SELECT
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LOWER(BTRIM(tenant_name)) AS normalized_tenant_name,
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tenant_code
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FROM public.sys_tenants
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WHERE deleted_at IS NULL
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AND is_enabled = TRUE
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),
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resolved_points AS (
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SELECT
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ep.id,
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ep.code,
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ep.name,
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ep.area,
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COALESCE(
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NULLIF(BTRIM(ep.tenant_code), ''),
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am.tenant_code,
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tn.tenant_code,
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CASE
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WHEN ep.area IS NULL OR BTRIM(ep.area) = '' THEN 'PUBLIC'
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WHEN LOWER(BTRIM(ep.area)) = 'default' THEN 'PUBLIC'
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WHEN BTRIM(ep.area) = '公共' THEN 'PUBLIC'
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WHEN BTRIM(ep.area) IN ('省级', '省局') THEN 'PROVINCIAL'
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ELSE NULL
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END
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) AS resolved_tenant_code
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FROM tmp_evaluation_points_precheck ep
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LEFT JOIN alias_map am
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ON LOWER(BTRIM(COALESCE(ep.area, ''))) = am.normalized_alias_value
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LEFT JOIN tenant_name_map tn
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ON LOWER(BTRIM(COALESCE(ep.area, ''))) = tn.normalized_tenant_name
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)
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SELECT
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id,
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code,
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name,
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area
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FROM resolved_points
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WHERE resolved_tenant_code IS NULL
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ORDER BY id ASC;
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-- --------------------------------------------------------------------------
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-- 4. 共享域残留统计
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-- --------------------------------------------------------------------------
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SELECT
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CASE
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WHEN area IS NULL OR BTRIM(area) = '' THEN '<EMPTY>'
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ELSE BTRIM(area)
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END AS shared_area_value,
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COUNT(*) AS point_count
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FROM tmp_evaluation_points_precheck
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WHERE area IS NULL
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OR BTRIM(area) = ''
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OR LOWER(BTRIM(area)) = 'default'
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OR BTRIM(area) IN ('公共', '省级', '省局')
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GROUP BY 1
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ORDER BY point_count DESC, shared_area_value ASC;
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-- --------------------------------------------------------------------------
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-- 5. tenant_name 映射冲突预检
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-- --------------------------------------------------------------------------
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SELECT
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LOWER(BTRIM(tenant_name)) AS normalized_tenant_name,
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COUNT(DISTINCT tenant_code) AS tenant_code_count,
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ARRAY_AGG(DISTINCT tenant_code ORDER BY tenant_code) AS tenant_codes
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FROM public.sys_tenants
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WHERE deleted_at IS NULL
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AND is_enabled = TRUE
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AND tenant_name IS NOT NULL
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AND BTRIM(tenant_name) <> ''
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GROUP BY 1
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HAVING COUNT(DISTINCT tenant_code) > 1
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ORDER BY normalized_tenant_name ASC;
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-- --------------------------------------------------------------------------
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-- 6. alias 映射冲突预检
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-- --------------------------------------------------------------------------
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SELECT
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LOWER(BTRIM(alias_value)) AS normalized_alias_value,
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COUNT(DISTINCT tenant_code) AS tenant_code_count,
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ARRAY_AGG(DISTINCT tenant_code ORDER BY tenant_code) AS tenant_codes
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FROM public.sys_tenant_aliases
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WHERE deleted_at IS NULL
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AND is_enabled = TRUE
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AND alias_value IS NOT NULL
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AND BTRIM(alias_value) <> ''
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GROUP BY 1
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HAVING COUNT(DISTINCT tenant_code) > 1
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ORDER BY normalized_alias_value ASC;
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-- --------------------------------------------------------------------------
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-- 7. 编码唯一性现状预检
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-- 注意：当前 service 仍按全局唯一校验 code，不是按 tenant_code + code 校验
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-- --------------------------------------------------------------------------
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SELECT
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LOWER(BTRIM(code)) AS normalized_code,
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COUNT(*) AS duplicate_count,
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ARRAY_AGG(id ORDER BY id) AS point_ids
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FROM tmp_evaluation_points_precheck
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WHERE code IS NOT NULL
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AND BTRIM(code) <> ''
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GROUP BY 1
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HAVING COUNT(*) > 1
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ORDER BY duplicate_count DESC, normalized_code ASC;
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-- --------------------------------------------------------------------------
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-- 8. 若后续想把 code 改成“按租户唯一”，先看跨租户重复情况
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-- 这里用“预估 tenant_code”做模拟，不代表当前表已有 tenant_code
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-- --------------------------------------------------------------------------
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WITH alias_map AS (
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SELECT DISTINCT ON (LOWER(BTRIM(alias_value)))
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LOWER(BTRIM(alias_value)) AS normalized_alias_value,
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tenant_code
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FROM public.sys_tenant_aliases
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WHERE deleted_at IS NULL
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AND is_enabled = TRUE
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ORDER BY LOWER(BTRIM(alias_value)), id ASC
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),
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tenant_name_map AS (
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SELECT
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LOWER(BTRIM(tenant_name)) AS normalized_tenant_name,
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tenant_code
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FROM public.sys_tenants
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WHERE deleted_at IS NULL
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AND is_enabled = TRUE
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),
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resolved_points AS (
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SELECT
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ep.id,
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LOWER(BTRIM(ep.code)) AS normalized_code,
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COALESCE(
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NULLIF(BTRIM(ep.tenant_code), ''),
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am.tenant_code,
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tn.tenant_code,
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CASE
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WHEN ep.area IS NULL OR BTRIM(ep.area) = '' THEN 'PUBLIC'
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WHEN LOWER(BTRIM(ep.area)) = 'default' THEN 'PUBLIC'
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WHEN BTRIM(ep.area) = '公共' THEN 'PUBLIC'
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WHEN BTRIM(ep.area) IN ('省级', '省局') THEN 'PROVINCIAL'
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ELSE NULL
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END
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) AS resolved_tenant_code
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FROM tmp_evaluation_points_precheck ep
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LEFT JOIN alias_map am
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ON LOWER(BTRIM(COALESCE(ep.area, ''))) = am.normalized_alias_value
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LEFT JOIN tenant_name_map tn
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ON LOWER(BTRIM(COALESCE(ep.area, ''))) = tn.normalized_tenant_name
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WHERE ep.code IS NOT NULL
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AND BTRIM(ep.code) <> ''
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)
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SELECT
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normalized_code,
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COUNT(*) AS duplicate_count,
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COUNT(DISTINCT resolved_tenant_code) AS tenant_count,
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ARRAY_AGG(
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CONCAT(id, ':', COALESCE(resolved_tenant_code, '<UNRESOLVED>'))
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ORDER BY id
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) AS point_ids_with_tenant
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FROM resolved_points
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GROUP BY normalized_code
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HAVING COUNT(*) > 1
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ORDER BY duplicate_count DESC, normalized_code ASC;
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-- --------------------------------------------------------------------------
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-- 9. 执行后验收时建议对照的基线统计
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-- --------------------------------------------------------------------------
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SELECT
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COUNT(*) FILTER (WHERE tenant_code IS NULL OR BTRIM(tenant_code) = '') AS missing_tenant_code,
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COUNT(*) FILTER (WHERE tenant_name IS NULL OR BTRIM(tenant_name) = '') AS missing_tenant_name
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FROM tmp_evaluation_points_precheck;
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