# Generated by Django 5.2.4 on 2025-07-29 14:59

from django.db import migrations, models


class Migration(migrations.Migration):

    dependencies = [
        ('performance', '0016_alter_transactiongroup_unique_together_and_more'),
    ]

    operations = [
        migrations.RemoveField(
            model_name='transactionevent',
            name='duration',
        ),
        migrations.AlterField(
            model_name='transactiongroupaggregate',
            name='sum_of_squares_duration',
            field=models.PositiveBigIntegerField(default=0, help_text='Sum of squares of durations, for calculating standard deviation.'),
        ),
        migrations.AlterField(
            model_name='transactiongroupaggregate',
            name='total_duration',
            field=models.PositiveBigIntegerField(default=0, help_text='Sum of all transaction durations (in ms) for calculating the mean.'),
        ),
    ]