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Provide a many-table version for has_table

performancewhere performance can be improved. add "bug" only if it's a performance degradationwhere performance can be improved. add "bug" only if it's a performance degradation

reflectionreflection of tables, columns, constraints, defaults, sequences, views, everything elsereflection of tables, columns, constraints, defaults, sequences, views, everything else

use casenot really a feature or a bug; can be support for new DB features or user use cases not anticipatednot really a feature or a bug; can be support for new DB features or user use cases not anticipated

Status: Open.

#13311 In sqlalchemy/sqlalchemy;

· CaselIT opened on May 19, 2026

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2.1.x

Have a better way of getting the user defined options

orm

use casenot really a feature or a bug; can be support for new DB features or user use cases not anticipatednot really a feature or a bug; can be support for new DB features or user use cases not anticipated

Status: Open.

#13309 In sqlalchemy/sqlalchemy;

· CaselIT opened on May 19, 2026

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2.1

Setting lazy in a relationship with do_orm_execute causes error

bugSomething isn't workingSomething isn't working

loader optionsORM options like joinedload(), load_only(), these are complicated and have a lot of issuesORM options like joinedload(), load_only(), these are complicated and have a lot of issues

orm

Status: Open.

#13301 In sqlalchemy/sqlalchemy;

· CaselIT opened on May 15, 2026

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2.0.x

Modernize type annotations to PEP 604 union syntax

typingpep -484 typing issues. independent of "mypy"pep -484 typing issues. independent of "mypy"

Status: Open.

#13281 In sqlalchemy/sqlalchemy;

· ashm-dev opened on May 7, 2026

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2.1.x

im not sure we can type hybrid_methods fully

bugSomething isn't workingSomething isn't working

quagmirereally hard to make the issue work "correctly" without lots of complication, riskreally hard to make the issue work "correctly" without lots of complication, risk

typingpep -484 typing issues. independent of "mypy"pep -484 typing issues. independent of "mypy"

Status: Open.

#13253 In sqlalchemy/sqlalchemy;

· zzzeek opened on Apr 21, 2026

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2.1.x

WriteOnlyMapped: default_factory=list broken in 2.1 due to new declarative_scan validation

orm

use casenot really a feature or a bug; can be support for new DB features or user use cases not anticipatednot really a feature or a bug; can be support for new DB features or user use cases not anticipated

Status: Open.

#13227 In sqlalchemy/sqlalchemy;

· rhynzler opened on Apr 8, 2026

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2.0.x

Support for native JSON in mssql

datatypesthings to do with database types, like VARCHAR and othersthings to do with database types, like VARCHAR and others

SQL ServerMicrosoft SQL Server, e.g. mssqlMicrosoft SQL Server, e.g. mssql

use casenot really a feature or a bug; can be support for new DB features or user use cases not anticipatednot really a feature or a bug; can be support for new DB features or user use cases not anticipated

Status: Open.

#13212 In sqlalchemy/sqlalchemy;

· CaselIT opened on Mar 31, 2026

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2.1

Applying a loader option to a parent relationship when using with_polymorphic does not work properly

bugSomething isn't workingSomething isn't working

loader optionsORM options like joinedload(), load_only(), these are complicated and have a lot of issuesORM options like joinedload(), load_only(), these are complicated and have a lot of issues

orm

Status: Open.

#13210 In sqlalchemy/sqlalchemy;

· CaselIT opened on Mar 29, 2026

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2.0.x

Subquery load loses and_ criteria when combined with of_type

bugSomething isn't workingSomething isn't working

loader optionsORM options like joinedload(), load_only(), these are complicated and have a lot of issuesORM options like joinedload(), load_only(), these are complicated and have a lot of issues

orm

Status: Open.

#13207 In sqlalchemy/sqlalchemy;

· CaselIT opened on Mar 28, 2026

Immediateload fails to load when combined with inheritance

bugSomething isn't workingSomething isn't working

fuzzer

loader optionsORM options like joinedload(), load_only(), these are complicated and have a lot of issuesORM options like joinedload(), load_only(), these are complicated and have a lot of issues

orm

Status: Open.

#13204 In sqlalchemy/sqlalchemy;

· CaselIT opened on Mar 27, 2026

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2.0.x

Connection pool soft invalidation uses time.time() comparison that can silently fail on low-resolution clocks (e.g. Windows ~16 ms)

connection pool

use casenot really a feature or a bug; can be support for new DB features or user use cases not anticipatednot really a feature or a bug; can be support for new DB features or user use cases not anticipated

Status: Open.

#13169 In sqlalchemy/sqlalchemy;

· tejasae-afk opened on Mar 13, 2026

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2.x.x

PostgreSQL check constraint reflection strips brackets naively

bugSomething isn't workingSomething isn't working

great mcveAn issue with a great mcveAn issue with a great mcve

postgresql

reflectionreflection of tables, columns, constraints, defaults, sequences, views, everything elsereflection of tables, columns, constraints, defaults, sequences, views, everything else

Status: Open.

#13157 In sqlalchemy/sqlalchemy;

· RazerM opened on Mar 6, 2026

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2.0.x