how to save bulk create in django
# took 0.47 seconds
def builtin():
insert_list = []
for i in range(10000):
name="String number %s" %i
insert_list.append(Record(name=name))
Record.objects.bulk_create(insert_list)how to save bulk create in django
# took 0.47 seconds
def builtin():
insert_list = []
for i in range(10000):
name="String number %s" %i
insert_list.append(Record(name=name))
Record.objects.bulk_create(insert_list)django bulk update
objs = [
Entry.objects.create(headline='Entry 1'),
Entry.objects.create(headline='Entry 2'),
]
objs[0].headline = 'This is entry 1'
objs[1].headline = 'This is entry 2'
Entry.objects.bulk_update(objs, ['headline'])
# Caveats #
# -You cannot update the model’s primary key.
#
# -Each model’s save() method isn’t called, and the pre_save and post_save signals aren’t
# sent.
#
# -If updating a large number of columns in a large number of rows, the SQL
# generated can be very large. Avoid this by specifying a suitable batch_size.
#
# - Updating fields defined on multi-table inheritance ancestors will incur an extra query per ancestor.
# If objs contains duplicates, only the first one is updated.Copyright © 2021 Codeinu
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