generate characters with sane compile time/memory

horsegen/character.affinity3.sql

@@ -13,29 +13,75 @@ WITH uma_names AS (
 		b.id AS id_b,
 		b.name AS name_b,
 		c.id AS id_c,
-		c.name AS name_c,
-		ra.relation_type
+		c.name AS name_c
 	FROM uma_names a
-		JOIN uma_names b ON a.id != b.id
+		JOIN uma_names b ON a.id != b.id -- exclude pairwise reflexive cases
 		JOIN uma_names c ON a.id != c.id AND b.id != c.id
-		JOIN succession_relation_member ra ON a.id = ra.chara_id
-		JOIN succession_relation_member rb ON b.id = rb.chara_id
-		JOIN succession_relation_member rc ON c.id = rc.chara_id
-	WHERE
-		ra.relation_type = rb.relation_type
-		AND ra.relation_type = rc.relation_type
+), relation_trios AS (
+	SELECT
+		ra.relation_type,
+		ra.chara_id AS id_a,
+		rb.chara_id AS id_b,
+		rc.chara_id AS id_c
+	FROM succession_relation_member ra
+		JOIN succession_relation_member rb ON ra.relation_type = rb.relation_type
+		JOIN succession_relation_member rc ON ra.relation_type = rc.relation_type
 ), affinity AS (
 	SELECT
-		id_a,
-		name_a,
-		id_b,
-		name_b,
-		id_c,
-		name_c,
-		SUM(relation_point) AS base_affinity
+		trios.*,
+		SUM(IFNULL(relation_point, 0)) AS base_affinity
 	FROM trios
-		JOIN succession_relation sr ON trios.relation_type = sr.relation_type
-	GROUP BY id_a, id_b, id_c
+		LEFT JOIN relation_trios rt ON trios.id_a = rt.id_a AND trios.id_b = rt.id_b AND trios.id_c = rt.id_c
+		LEFT JOIN succession_relation sr ON rt.relation_type = sr.relation_type
+	GROUP BY trios.id_a, trios.id_b, trios.id_c
+
+	UNION ALL
+	-- A = B = C
+	SELECT
+		n.id AS id_a,
+		n.name AS name_a,
+		n.id AS id_b,
+		n.name AS name_b,
+		n.id AS id_c,
+		n.name AS name_c,
+		0 AS base_affinity
+	FROM uma_names n
+
+	UNION ALL
+	-- A = B
+	SELECT
+		n.id AS id_a,
+		n.name AS name_a,
+		n.id AS id_a,
+		n.name AS id_b,
+		m.id AS id_c,
+		m.name AS name_c,
+		0 AS base_affinity
+	FROM uma_names n JOIN uma_names m ON n.id != m.id
+
+	UNION ALL
+	-- A = C
+	SELECT
+		n.id AS id_a,
+		n.name AS name_a,
+		m.id AS id_a,
+		m.name AS id_b,
+		n.id AS id_c,
+		n.name AS name_c,
+		0 AS base_affinity
+	FROM uma_names n JOIN uma_names m ON n.id != m.id
+
+	UNION ALL
+	-- B = C
+	SELECT
+		m.id AS id_a,
+		m.name AS name_a,
+		n.id AS id_a,
+		n.name AS id_b,
+		n.id AS id_c,
+		n.name AS name_c,
+		0 AS base_affinity
+	FROM uma_names n JOIN uma_names m ON n.id != m.id
 )
 SELECT * FROM affinity
-ORDER BY id_a, id_b, id_c
+ORDER BY id_a, id_b, id_c