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sqlmodel/docs/release-notes.md
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Release Notes

Latest Changes

0.0.8

Fixes

  • 🐛 Fix auto detecting and setting nullable, allowing overrides in field. PR #423 by @JonasKs.
  • ♻️ Update expresion.py, sync from Jinja2 template, implement inherit_cache to solve errors like: SAWarning: Class SelectOfScalar will not make use of SQL compilation caching. PR #422 by @tiangolo.

Docs

  • 📝 Adjust and clarify docs for docs/tutorial/create-db-and-table.md. PR #426 by @tiangolo.
  • ✏ Fix typo in docs/tutorial/connect/remove-data-connections.md. PR #421 by @VerdantFox.

0.0.7

Features

  • ✨ Allow setting unique in Field() for a column. PR #83 by @raphaelgibson.
  • ✨ Update GUID handling to use stdlib UUID.hex instead of an int. PR #26 by @andrewbolster.
  • ✨ Raise an exception when using a Pydantic field type with no matching SQLAlchemy type. PR #18 by @elben10.
  • ⬆ Upgrade constrain for SQLAlchemy = ">=1.4.17,<=1.4.41". PR #371 by @RobertRosca.
  • ✨ Add new Session.get() parameter execution_options. PR #302 by @tiangolo.

Fixes

  • 🐛 Fix type annotations for Model.parse_obj(), and Model.validate(). PR #321 by @phi-friday.
  • 🐛 Fix Select and SelectOfScalar to inherit cache to avoid warning: SAWarning: Class SelectOfScalar will not make use of SQL compilation caching. PR #234 by @rabinadk1.
  • 🐛 Fix handling validators for non-default values. PR #253 by @byrman.
  • 🐛 Fix fields marked as "set" in models. PR #117 by @statt8900.
  • 🐛 Fix Enum handling in SQLAlchemy. PR #165 by @chriswhite199.
  • 🐛 Fix setting nullable property of Fields that don't accept None. PR #79 by @van51.
  • 🐛 Fix SQLAlchemy version 1.4.36 breaks SQLModel relationships (#315). PR #322 by @byrman.

Docs

  • 📝 Update docs for models for updating, id should not be updatable. PR #335 by @kurtportelli.
  • ✏ Fix broken variable/typo in docs for Read Relationships, hero_spider_boy.id => hero_spider_boy.team_id. PR #106 by @yoannmos.
  • 🎨 Remove unwanted highlight in the docs. PR #233 by @jalvaradosegura.
  • ✏ Fix typos in docs/databases.md and docs/tutorial/index.md. PR #35 by @prrao87.
  • ✏ Fix typo in docs/tutorial/relationship-attributes/define-relationships-attributes.md. PR #239 by @jalvaradosegura.
  • ✏ Fix typo in docs/tutorial/fastapi/simple-hero-api.md. PR #80 by @joemudryk.
  • ✏ Fix typos in multiple files in the docs. PR #400 by @VictorGambarini.
  • ✏ Fix typo in docs/tutorial/code-structure.md. PR #344 by @marciomazza.
  • ✏ Fix typo in docs/db-to-code.md. PR #155 by @gr8jam.
  • ✏ Fix typo in docs/contributing.md. PR #323 by @Fardad13.
  • ✏ Fix typo in docs/tutorial/fastapi/tests.md. PR #265 by @johnhoman.
  • ✏ Fix typo in docs/tutorial/where.md. PR #286 by @jalvaradosegura.
  • ✏ Fix typos in docs/tutorial/fastapi/update.md. PR #268 by @cirrusj.
  • ✏ Fix typo in docs/tutorial/fastapi/simple-hero-api.md. PR #247 by @hao-wang.
  • ✏ Fix typos in docs/tutorial/automatic-id-none-refresh.md, docs/tutorial/fastapi/update.md, docs/tutorial/select.md. PR #185 by @rootux.
  • ✏ Fix typo in docs/databases.md. PR #177 by @seandlg.
  • ✏ Fix typos in docs/tutorial/fastapi/update.md. PR #162 by @wmcgee3.
  • ✏ Fix typos in docs/tutorial/code-structure.md, docs/tutorial/fastapi/multiple-models.md, docs/tutorial/fastapi/simple-hero-api.md, docs/tutorial/many-to-many/index.md. PR #116 by @moonso.
  • ✏ Fix typo in docs/tutorial/fastapi/teams.md. PR #154 by @chrisgoddard.
  • ✏ Fix typo variable in example about relationships and back_populates, always use hero instead of owner. PR #120 by @onionj.
  • ✏ Fix typo in docs/tutorial/fastapi/tests.md. PR #113 by @feanil.
  • ✏ Fix typo in docs/tutorial/where.md. PR #72 by @ZettZet.
  • ✏ Fix typo in docs/tutorial/code-structure.md. PR #91 by @dhiraj.
  • ✏ Fix broken link to newsletter sign-up in docs/help.md. PR #84 by @mborus.
  • ✏ Fix typos in docs/tutorial/many-to-many/create-models-with-link.md. PR #45 by @xginn8.
  • ✏ Fix typo in docs/tutorial/index.md. PR #398 by @ryangrose.

Internal

  • ♻ Refactor internal statements to simplify code. PR #53 by @yezz123.
  • ♻ Refactor internal imports to reduce redundancy. PR #272 by @aminalaee.
  • ⬆ Update development requirement for FastAPI from ^0.68.0 to ^0.68.1. PR #48 by @alucarddelta.
  • ⏪ Revert upgrade Poetry, to make a release that supports Python 3.6 first. PR #417 by @tiangolo.
  • 👷 Add dependabot for GitHub Actions. PR #410 by @tiangolo.
  • ⬆️ Upgrade Poetry to version ==1.2.0b1. PR #303 by @tiangolo.
  • 👷 Add CI for Python 3.10. PR #305 by @tiangolo.
  • 📝 Add Jina's QA Bot to the docs to help people that want to ask quick questions. PR #263 by @tiangolo.
  • 👷 Upgrade Codecov GitHub Action. PR #304 by @tiangolo.
  • 💚 Only run CI on push when on master, to avoid duplicate runs on PRs. PR #244 by @tiangolo.
  • 🔧 Upgrade MkDocs Material and update configs. PR #217 by @tiangolo.
  • ⬆ Upgrade mypy, fix type annotations. PR #218 by @tiangolo.

0.0.6

Breaking Changes

SQLModel no longer creates indexes by default for every column, indexes are now opt-in. You can read more about it in PR #205.

Before this change, if you had a model like this:

from typing import Optional

from sqlmodel import Field, SQLModel


class Hero(SQLModel, table=True):
    id: Optional[int] = Field(default=None, primary_key=True)
    name: str
    secret_name: str
    age: Optional[int] = None

...when creating the tables, SQLModel version 0.0.5 and below, would also create an index for name, one for secret_name, and one for age (id is the primary key, so it doesn't need an additional index).

If you depended on having an index for each one of those columns, now you can (and would have to) define them explicitly:

class Hero(SQLModel, table=True):
    id: Optional[int] = Field(default=None, primary_key=True)
    name: str = Field(index=True)
    secret_name: str = Field(index=True)
    age: Optional[int] = Field(default=None, index=True)

There's a high chance you don't need indexes for all the columns. For example, you might only need indexes for name and age, but not for secret_name. In that case, you could define the model as:

class Hero(SQLModel, table=True):
    id: Optional[int] = Field(default=None, primary_key=True)
    name: str = Field(index=True)
    secret_name: str
    age: Optional[int] = Field(default=None, index=True)

If you already created your database tables with SQLModel using versions 0.0.5 or below, it would have also created those indexes in the database. In that case, you might want to manually drop (remove) some of those indexes, if they are unnecessary, to avoid the extra cost in performance and space.

Depending on the database you are using, there will be a different way to find the available indexes.

For example, let's say you no longer need the index for secret_name. You could check the current indexes in the database and find the one for secret_name, it could be named ix_hero_secret_name. Then you can remove it with SQL:

DROP INDEX ix_hero_secret_name

or

DROP INDEX ix_hero_secret_name ON hero;

Here's the new, extensive documentation explaining indexes and how to use them: Indexes - Optimize Queries.

Docs

0.0.5

Features

Docs

  • ✏ Update decimal tutorial source for consistency. PR #188 by @tiangolo.

Internal

  • 🔧 Split MkDocs insiders build in CI to support building from PRs. PR #186 by @tiangolo.
  • 🎨 Format expression.py and expression template, currently needed by CI. PR #187 by @tiangolo.
  • 🐛Fix docs light/dark theme switcher. PR #1 by @Lehoczky.
  • 🔧 Add MkDocs Material social cards. PR #90 by @tiangolo.
  • ✨ Update type annotations and upgrade mypy. PR #173 by @tiangolo.

0.0.4

  • 🎨 Fix type detection of select results in PyCharm. PR #15 by @tiangolo.

0.0.3

  • ⬆️ Update and relax specification range for sqlalchemy-stubs. PR #4 by @tiangolo.

0.0.2

  • This includes several small bug fixes detected during the first CI runs.
  • 💚 Fix CI installs and tests. PR #2 by @tiangolo.

0.0.1

  • First release. 🎉