我有一些需要时间执行的 SQL 查询。无论如何我可以优化，这将需要几毫秒的时间来执行。
select
item0_.dim_Item_ID as dim_item_id ,
item0_.description as description ,
vendorfact1_.vendor_id as vendor_id,
item0_.origin_country as origin_country ,
item0_.model as model ,
vendorfact1_.fid as fid,
item0_.hovbu as hovbu ,
item0_.is_adhoc_item as is_adhoc_item,
item0_.destination_country as destination_country,
item0_.brand as brand,
item0_.item_Number as item_Number,
item0_.retailer as retailer,
item0_.effective_date as effective_date,
item0_.creation_date as creation_date,
vendorfact1_.dim_item_relationship_id as dim_item_relationship_id,
item0_.item_weight as item_weight,
item0_.in_box_height as in_box_height,
item0_.in_box_width as in_box_width,
item0_.in_box_depth as in_box_depth,
item0_.status as status,
item0_.status_desc as col_20_0_,
item0_.primary_image as primary_image,
item0_.component_materials as component_materials,
item0_.product_detail as …