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@@ -1,6 +1,5 @@
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import django_tables2 as tables
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from django.core.exceptions import FieldDoesNotExist
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-from django.db.models import ForeignKey
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from django.db.models.fields.related import RelatedField
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from django.utils.safestring import mark_safe
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from django_tables2.data import TableQuerysetData
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@@ -9,7 +8,13 @@ from django_tables2.data import TableQuerysetData
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class BaseTable(tables.Table):
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"""
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Default table for object lists
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+
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+ :param add_prefetch: By default, modify the queryset passed to the table upon initialization to automatically
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+ prefetch related data. Set this to False if it's necessary to avoid modifying the queryset (e.g. to
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+ accommodate PrefixQuerySet.annotate_depth()).
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"""
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+ add_prefetch = True
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+
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class Meta:
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attrs = {
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'class': 'table table-hover table-headings',
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@@ -50,7 +55,7 @@ class BaseTable(tables.Table):
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self.sequence.append('actions')
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# Dynamically update the table's QuerySet to ensure related fields are pre-fetched
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- if isinstance(self.data, TableQuerysetData):
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+ if self.add_prefetch and isinstance(self.data, TableQuerysetData):
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model = getattr(self.Meta, 'model')
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prefetch_fields = []
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for column in self.columns:
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Jeremy Stretch