[Thu 02/26/2026 17:38:33.55] START meter_latest:backfill leaf_group_id=519 
BAT_DIR=C:\Apache24\htdocs\leaf_webview\a_reference\scripts\ 
ROOT=C:\Apache24\htdocs\leaf_webview\a_reference\scripts\..\..\ 
PHP_EXE=C:\php7\php.exe 
 

NOTE: For speed, ensure meter_readings index: (leaf_group_id, meter_register_id, current_date, time_ended, id).
meter_readings_latest created_at column: YES
Backfill start: leaf_group_id=519 meter_range=155..2117 meter_chunk=200 dry_run=0 test_limit=0
Processing meters 155..354 ...
  - Range done. Upserted=1 SkippedAlready=0 TotalUpserted=1
Processing meters 355..554 ...
  - Range done. Upserted=26 SkippedAlready=0 TotalUpserted=27
Processing meters 555..754 ...
^C