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Yogesh OjhaandClaude Opus 5
163df52ad5
SQLModel emitted index=True beside primary_key=True on every id field, so 41 tables carried ix_<table>_id alongside <table>_pkey: the same single-column btree twice. 12 MB of duplicate index, and every insert maintaining both — on the hot path of a scan writing 345,152 endpoints. The planner had been using them (72,160 scans across the set) simply because they were there and equivalent; with them gone it uses the primary key, verified on subdomains: Index Scan using subdomains_pkey. The migration finds them rather than naming them, because which tables exist depends on how far an install has migrated and a name already gone must not fail an upgrade. It drops only a non-unique, single-column btree on id belonging to a table that has a primary key — no other index can match that shape. There is no downgrade: the primary key serves every lookup they served. The 33 models are corrected too, so the next hand-written migration is not comparing against a schema that would want them back. Counted honestly: 41, not the 102 an earlier pass reported — that number included the 61 primary keys themselves. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_013dKUV96WkQQETZBMoAG98C
49 lines
1.3 KiB
Python
49 lines
1.3 KiB
Python
import uuid
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from datetime import datetime
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from functools import partial
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from pydantic import BaseModel, field_validator
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from sqlmodel import Field, SQLModel
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from shared.utils.datetime import utc_now
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from shared.utils.validation import clean_name
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class ProjectBase(SQLModel):
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name: str = Field(max_length=50)
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class Project(ProjectBase, table=True):
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__tablename__ = "projects"
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id: uuid.UUID = Field(default_factory=uuid.uuid4, primary_key=True)
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slug: str = Field(max_length=100, unique=True, index=True)
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description: str | None = Field(default=None, max_length=1000)
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label: str | None = Field(default=None, max_length=50)
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is_active: bool = Field(default=True)
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created_at: datetime = Field(default_factory=utc_now)
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created_by: uuid.UUID = Field(foreign_key="users.id")
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class ProjectCreate(ProjectBase):
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description: str | None = None
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label: str | None = None
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# on the request only: a stored name from before this rule must still read back
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_validate_name = field_validator("name")(partial(clean_name, max_len=50))
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class ProjectRead(ProjectBase):
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id: uuid.UUID
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slug: str
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description: str | None = None
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label: str | None = None
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is_active: bool
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created_at: datetime
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created_by: uuid.UUID
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class ProjectSummary(BaseModel):
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project: ProjectRead
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stats: dict[str, int]
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