membershipworks: Remove DB constraints for FKs to Members table
MariaDB doesn't support partitions on tables with FKs, and performance of the Members table has become unusable due to size caused by system versioning
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@ -0,0 +1,36 @@
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# Generated by Django 5.0 on 2023-12-26 17:46
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import django.db.models.deletion
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from django.db import migrations, models
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class Migration(migrations.Migration):
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dependencies = [
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("membershipworks", "0003_alter_transaction_sid"),
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]
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operations = [
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migrations.AlterField(
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model_name="memberflag",
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name="member",
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field=models.ForeignKey(
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db_column="uid",
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db_constraint=False,
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on_delete=django.db.models.deletion.PROTECT,
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to="membershipworks.member",
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),
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),
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migrations.AlterField(
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model_name="transaction",
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name="member",
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field=models.ForeignKey(
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blank=True,
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db_column="uid",
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db_constraint=False,
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null=True,
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on_delete=django.db.models.deletion.PROTECT,
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related_name="transactions",
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to="membershipworks.member",
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),
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),
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]
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@ -259,7 +259,9 @@ class Member(BaseModel):
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class MemberFlag(BaseModel):
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class MemberFlag(BaseModel):
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member = models.ForeignKey(Member, on_delete=models.PROTECT, db_column="uid")
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member = models.ForeignKey(
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Member, on_delete=models.PROTECT, db_column="uid", db_constraint=False
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)
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flag = models.ForeignKey(Flag, on_delete=models.PROTECT)
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flag = models.ForeignKey(Flag, on_delete=models.PROTECT)
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def __str__(self):
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def __str__(self):
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@ -280,6 +282,7 @@ class Transaction(BaseModel):
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Member,
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Member,
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on_delete=models.PROTECT,
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on_delete=models.PROTECT,
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db_column="uid",
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db_column="uid",
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db_constraint=False,
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related_name="transactions",
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related_name="transactions",
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null=True,
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null=True,
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blank=True,
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blank=True,
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