后端统一时区为 UTC

2026-04-14 14:46:51 +08:00
parent 51b481d174
commit bf2aaa5ff7
16 changed files with 263 additions and 252 deletions
@@ -0,0 +1,63 @@
+-- ============================================
+-- TJWater Server 时区统一迁移脚本
+-- 将历史无时区时间列升级为 TIMESTAMP WITH TIME ZONE
+-- 约定：历史无时区值按 UTC 解释
+-- ============================================
+
+DO $$
+BEGIN
+    IF EXISTS (
+        SELECT 1
+        FROM information_schema.columns
+        WHERE table_schema = 'public'
+          AND table_name = 'users'
+          AND column_name = 'created_at'
+          AND data_type = 'timestamp without time zone'
+    ) THEN
+        EXECUTE 'ALTER TABLE public.users
+                 ALTER COLUMN created_at TYPE TIMESTAMP WITH TIME ZONE
+                 USING created_at AT TIME ZONE ''UTC''';
+    END IF;
+
+    IF EXISTS (
+        SELECT 1
+        FROM information_schema.columns
+        WHERE table_schema = 'public'
+          AND table_name = 'users'
+          AND column_name = 'updated_at'
+          AND data_type = 'timestamp without time zone'
+    ) THEN
+        EXECUTE 'ALTER TABLE public.users
+                 ALTER COLUMN updated_at TYPE TIMESTAMP WITH TIME ZONE
+                 USING updated_at AT TIME ZONE ''UTC''';
+    END IF;
+
+    IF EXISTS (
+        SELECT 1
+        FROM information_schema.columns
+        WHERE table_schema = 'public'
+          AND table_name = 'audit_logs'
+          AND column_name = 'timestamp'
+          AND data_type = 'timestamp without time zone'
+    ) THEN
+        EXECUTE 'ALTER TABLE public.audit_logs
+                 ALTER COLUMN timestamp TYPE TIMESTAMP WITH TIME ZONE
+                 USING "timestamp" AT TIME ZONE ''UTC''';
+    END IF;
+
+    IF EXISTS (
+        SELECT 1
+        FROM information_schema.columns
+        WHERE table_schema = 'public'
+          AND table_name = 'scheme_list'
+          AND column_name = 'scheme_start_time'
+          AND data_type IN ('character varying', 'text')
+    ) THEN
+        EXECUTE 'ALTER TABLE public.scheme_list
+                 ALTER COLUMN scheme_start_time TYPE TIMESTAMP WITH TIME ZONE
+                 USING CASE
+                     WHEN scheme_start_time ~ ''(Z|[+-][0-9]{2}:[0-9]{2})$'' THEN scheme_start_time::timestamptz
+                     ELSE scheme_start_time::timestamp AT TIME ZONE ''UTC''
+                 END';
+    END IF;
+END $$;