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2026-07-14 21:33:39 +08:00
commit 4b28b75e57
2227 changed files with 768410 additions and 0 deletions
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+BEGIN;
+
+DO $$
+DECLARE
+    current_schema_name text := current_schema();
+    unique_constraint_name text;
+    unique_index_name text;
+BEGIN
+    SELECT tc.constraint_name
+    INTO unique_constraint_name
+    FROM information_schema.table_constraints AS tc
+    JOIN information_schema.constraint_column_usage AS ccu
+      ON ccu.constraint_schema = tc.constraint_schema
+     AND ccu.constraint_name = tc.constraint_name
+    WHERE tc.table_schema = current_schema_name
+      AND tc.table_name = 'flow_task_instance'
+      AND tc.constraint_type = 'UNIQUE'
+      AND ccu.column_name = 'append_id'
+    ORDER BY tc.constraint_name
+    LIMIT 1;
+
+    IF unique_constraint_name IS NOT NULL THEN
+        EXECUTE format(
+            'ALTER TABLE %I.%I DROP CONSTRAINT %I',
+            current_schema_name,
+            'flow_task_instance',
+            unique_constraint_name);
+    END IF;
+
+    SELECT indexname
+    INTO unique_index_name
+    FROM pg_indexes
+    WHERE schemaname = current_schema_name
+      AND tablename = 'flow_task_instance'
+      AND indexname = 'IX_flow_task_instance_append_id'
+      AND indexdef LIKE '%UNIQUE INDEX%'
+    LIMIT 1;
+
+    IF unique_index_name IS NOT NULL THEN
+        EXECUTE format(
+            'DROP INDEX IF EXISTS %I.%I',
+            current_schema_name,
+            unique_index_name);
+    END IF;
+
+    IF NOT EXISTS (
+        SELECT 1
+        FROM pg_indexes
+        WHERE schemaname = current_schema_name
+          AND tablename = 'flow_task_instance'
+          AND indexname = 'IX_flow_task_instance_append_id'
+    ) THEN
+        EXECUTE format(
+            'CREATE INDEX %I ON %I.%I (%I)',
+            'IX_flow_task_instance_append_id',
+            current_schema_name,
+            'flow_task_instance',
+            'append_id');
+    END IF;
+END
+$$;
+
+COMMIT;
+