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Query improvements for BuildLine table (#5153)

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- Prefetch / preselect related records
- Improve query speed
This commit is contained in:
Oliver
2023-07-04 19:24:36 +10:00
committed by GitHub
parent 17c2070503
commit 42fd4c7ee6
3 changed files with 39 additions and 10 deletions
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4
InvenTree/build/api.py
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@ -308,10 +308,6 @@ class BuildLineEndpoint:
"""Override queryset to select-related and annotate"""
queryset = super().get_queryset()
queryset = queryset.select_related(
'build', 'bom_item',
)
queryset = build.serializers.BuildLineSerializer.annotate_queryset(queryset)
return queryset

18
InvenTree/build/serializers.py
View File

@ -1012,7 +1012,7 @@ class BuildItemSerializer(InvenTreeModelSerializer):
build = serializers.PrimaryKeyRelatedField(source='build_line.build', many=False, read_only=True)
# Extra (optional) detail fields
part_detail = PartBriefSerializer(source='stock_item.part', many=False, read_only=True)
part_detail = PartBriefSerializer(source='stock_item.part', many=False, read_only=True, pricing=False)
stock_item_detail = StockItemSerializerBrief(source='stock_item', read_only=True)
location_detail = LocationSerializer(source='stock_item.location', read_only=True)
build_detail = BuildSerializer(source='build_line.build', many=False, read_only=True)
@ -1074,8 +1074,8 @@ class BuildLineSerializer(InvenTreeModelSerializer):
quantity = serializers.FloatField()
# Foreign key fields
bom_item_detail = BomItemSerializer(source='bom_item', many=False, read_only=True)
part_detail = PartSerializer(source='bom_item.sub_part', many=False, read_only=True)
bom_item_detail = BomItemSerializer(source='bom_item', many=False, read_only=True, pricing=False)
part_detail = PartSerializer(source='bom_item.sub_part', many=False, read_only=True, pricing=False)
allocations = BuildItemSerializer(many=True, read_only=True)
# Annotated (calculated) fields
@ -1094,16 +1094,28 @@ class BuildLineSerializer(InvenTreeModelSerializer):
- on_order: Total stock on order for this build line
"""
queryset = queryset.select_related(
'build', 'bom_item',
)
# Pre-fetch related fields
queryset = queryset.prefetch_related(
'bom_item__sub_part',
'bom_item__sub_part__stock_items',
'bom_item__sub_part__stock_items__allocations',
'bom_item__sub_part__stock_items__sales_order_allocations',
'bom_item__sub_part__tags',
'bom_item__substitutes',
'bom_item__substitutes__part__stock_items',
'bom_item__substitutes__part__stock_items__allocations',
'bom_item__substitutes__part__stock_items__sales_order_allocations',
'allocations',
'allocations__stock_item',
'allocations__stock_item__part',
'allocations__stock_item__location',
'allocations__stock_item__location__tags',
)
# Annotate the "allocated" quantity