IFNULL(max( CASE WHEN ei.equipment_index_key = 'FHS_FirePoolDevice_WaterLevel' or ei.equipment_index_key = 'FHS_WirelessliquidDetector_WaterLevel' THEN ei.`value` END ),'--') AS nowLevel,
-- IFNULL(max( CASE WHEN ei.equipment_index_key = 'FHS_FirePoolDevice_WaterLevel' or ei.equipment_index_key = 'FHS_WirelessliquidDetector_WaterLevel' THEN ei.`value` END ),'--') AS nowLevel,
IFNULL((select
avg(IFNULL(ei.`value`, 0))
from
wl_equipment_specific_index ei
where
(ei.equipment_index_key = 'FHS_FirePoolDevice_WaterLevel' or ei.equipment_index_key = 'FHS_WirelessliquidDetector_WaterLevel')
AND FIND_IN_SET( ei.equipment_specific_id, rp.level_device_id) > 0), '--') AS nowLevel,
IFNULL(CASE WHEN ei.equipment_index_key = 'FHS_FirePoolDevice_WaterLevel' THEN ei.`unit` END,'--') AS 'unit',
IFNULL(CASE WHEN ei.equipment_index_key = 'FHS_FirePoolDevice_WaterLevel' THEN ei.`unit` END,'--') AS 'unit',