这里是JOIN:
SELECT
gc3025_raid_results.raid_id,
gc3025_game_units.planet_id,
gc3025_game_units.g_dist,
gc3025_game_units.unit_name,
gc3025_units_base.unit_type,
gc3025_game_units.code,
gc3025_game_units.cdamage,
gc3025_units_base.defense_raid_score,
gc3025_units_base.raid_damage
FROM gc3025_game_units
JOIN gc3025_units_base
ON gc3025_game_units.code = gc3025_units_base.unit_code
JOIN gc3025_raid_results
ON gc3025_raid_results.district_idg = gc3025_game_units.g_dist
然后我需要插入到另一个表中
INSERT INTO gc3025_raid_defenders(
raid_ids, planet_id, district_id,
unit_name, unit_type, unit_code,
raid_score, raid_damage)
SELECT ... (see above) ...
任何建议将不胜感激。
这应该可以让您继续前进,但您需要添加其他字段。确保 insert() 中字段的名称和顺序与 select() 中的字段匹配
insert into gc3025_raid_defenders (raid_ids, planet_id, etc...)
select (gc3025_raid_results.raid_id, gc3025_game_units.planet_id, etc...)
from gc3025_game_units gu
join gc3025_units_base ub
on gu.code = ub.unit_code
join gc3025_raid_results rr
on gu.g_dist = rr. district_idg
附带说明一下,如果可能的话,请考虑在表之间一致地命名字段g_dist。