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don't use MAX on an UUID field

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This commit is contained in:
Senko Rasic
2024-06-04 09:47:55 +02:00
committed by Senko Rašić
parent 03b45bdb62
commit 7fe056b790
1 changed files with 9 additions and 3 deletions
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12
core/db/models/project.py
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@@ -4,7 +4,7 @@ from typing import TYPE_CHECKING, Optional, Union
from unicodedata import normalize
from uuid import UUID, uuid4
from sqlalchemy import delete, inspect, select
from sqlalchemy import and_, delete, inspect, select
from sqlalchemy.ext.asyncio import AsyncSession
from sqlalchemy.orm import Mapped, mapped_column, relationship, selectinload
from sqlalchemy.sql import func
@@ -79,7 +79,7 @@ class Project(Base):
from core.db.models import Branch, ProjectState
latest_state_query = (
select(ProjectState.branch_id, func.max(ProjectState.id).label("max_id"))
select(ProjectState.branch_id, func.max(ProjectState.step_index).label("max_index"))
.group_by(ProjectState.branch_id)
.subquery()
)
@@ -88,7 +88,13 @@ class Project(Base):
select(Project, Branch, ProjectState)
.join(Branch, Project.branches)
.join(ProjectState, Branch.states)
.join(latest_state_query, ProjectState.id == latest_state_query.columns.max_id)
.join(
latest_state_query,
and_(
ProjectState.branch_id == latest_state_query.columns.branch_id,
ProjectState.step_index == latest_state_query.columns.max_index,
),
)
.options(selectinload(Project.branches), selectinload(Branch.states))
.order_by(Project.name, Branch.name)
)