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# error-reporting-tool - culldb
#
# Copyright (C) 2015 Intel Corporation
#
# Licensed under the MIT license, see COPYING.MIT for details
# Create your views here.
# vi: tabstop=8 expandtab shiftwidth=4 softtabstop=4
from django.core.management.base import BaseCommand, CommandError
from Post.models import Build, BuildFailure
from optparse import make_option
import time
import sys
class Command(BaseCommand):
help = 'Culls the database to size in rows'
args = '<size>'
option_list = BaseCommand.option_list + (
make_option('-i',
'--info',
dest='info',
action="store_true",
help='Show the current database size'),
)
def handle(self, *args, **options):
count = Build.objects.count()
if options['info']:
print "Current builds table size: %d" % Build.objects.count()
return
if len(args) > 0 and args[0]:
try:
new_size = int(args[0])
except ValueError:
print "Not a valid size"
return
num_to_delete = count - new_size
print "\nReducing the database size to %d which will DELETE %d rows" % (new_size, num_to_delete)
i = 1
while i != 0:
i = i-1
print 'Ctrl+c TO CANCEL. Executing in... %d \r' % i,
sys.stdout.flush()
time.sleep(1)
q = Build.objects.all()[:num_to_delete].values_list('pk',
flat=True)
Build.objects.filter(pk__in=list(q)).delete()
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