sqlalchemy

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Denis Laxalde 543acbd8d1 Type array_agg()

The return type of `array_agg()` is declared as a `Sequence[T]` where `T` is bound to the type of input argument.

This is implemented by making `array_agg()` inheriting from `ReturnTypeFromArgs` which provides appropriate overloads of `__init__()` to support this.

This usage of ReturnTypeFromArgs is a bit different from previous ones as the return type of the function is not exactly the same as that of its arguments, but a "collection" (a generic, namely a Sequence here) of the argument types.  Accordingly, we adjust the code of `tools/generate_sql_functions.py` to retrieve the "collection" type from 'fn_class' annotation and generate expected return type.

Also add a couple of hand-written typing tests for PostgreSQL.

Related to #6810

Closes: #12461
Pull-request: https://github.com/sqlalchemy/sqlalchemy/pull/12461
Pull-request-sha: ba27cbb863

Change-Id: I3fd538cc7092a0492c26970f0b825bf70ddb66cd

2025-03-24 22:22:35 +01:00

cython_imports.py

update the format_docs_code to also work on python files

2024-11-30 21:10:21 +01:00

format_docs_code.py

General improvement on annotated declarative

2024-12-12 22:06:48 +01:00

generate_proxy_methods.py

update the format_docs_code to also work on python files

2024-11-30 21:10:21 +01:00

generate_sql_functions.py

Type array_agg()