WITH INDUCTS AS (
	SELECT
		MIN(s04_timestamp) AS start_timestamp,
		MAX(s04_timestamp) AS end_timestamp,
		sorter,
		induct,
		COUNT(*) AS total,
		SUM(carriers=1) AS single_carrier,
		SUM(carriers=2) AS double_carrier,
		AVG(pkg_length/10) AS pkg_length_avg,
		AVG(gap_leading/10) AS gap_avg
	FROM package_history
	WHERE s04_timestamp BETWEEN :startDate AND :endDate
	GROUP BY sorter, induct
), SORTERS AS (
	SELECT
		sorter,
		3600/TIMESTAMPDIFF(SECOND, :startDate, :endDate) AS pph_multiplier,
		SUM(total) AS total
	FROM INDUCTS
	GROUP BY sorter
)
SELECT
	I.start_timestamp,
	I.end_timestamp,
    S.sorter,
    I.induct,
    /* Averages: */
    ROUND(I.pkg_length_avg, 1) AS 'avg_package_length_(")',
    ROUND(I.gap_avg, 1) AS 'avg_gap_(")',
	/* Counts: */
	I.total AS total_count,
	I.single_carrier AS single_carrier_count,
	I.double_carrier AS double_carrier_count,
	/* PPH: */
	ROUND(I.total*S.pph_multiplier) AS total_pph,
	ROUND(I.single_carrier*S.pph_multiplier) AS single_carrier_pph,
	ROUND(I.double_carrier*S.pph_multiplier) AS double_carrier_pph,
	/* Percents: */
	ROUND(I.total/S.total, 4) AS 'total/sorter_percent',
	ROUND(I.single_carrier/I.total, 4) AS single_carrier_percent,
	ROUND(I.double_carrier/I.total, 4) AS double_carrier_percent
FROM INDUCTS I, SORTERS S
WHERE I.sorter = S.sorter
ORDER BY S.sorter, I.induct;