1
0
mirror of https://gitlab.com/MoonTestUse1/AdministrationItDepartmens.git synced 2025-08-14 00:25:46 +02:00

Проверка 09.02.2025

This commit is contained in:
MoonTestUse1
2025-02-09 01:11:49 +06:00
parent ce52f8a23a
commit 0aa3ef8fc2
5827 changed files with 14316 additions and 1906434 deletions

View File

@@ -1,5 +1,5 @@
# sql/_selectable_constructors.py
# Copyright (C) 2005-2024 the SQLAlchemy authors and contributors
# Copyright (C) 2005-2025 the SQLAlchemy authors and contributors
# <see AUTHORS file>
#
# This module is part of SQLAlchemy and is released under
@@ -155,16 +155,16 @@ def exists(
:meth:`_sql.SelectBase.exists` method::
exists_criteria = (
select(table2.c.col2).
where(table1.c.col1 == table2.c.col2).
exists()
select(table2.c.col2).where(table1.c.col1 == table2.c.col2).exists()
)
The EXISTS criteria is then used inside of an enclosing SELECT::
stmt = select(table1.c.col1).where(exists_criteria)
The above statement will then be of the form::
The above statement will then be of the form:
.. sourcecode:: sql
SELECT col1 FROM table1 WHERE EXISTS
(SELECT table2.col2 FROM table2 WHERE table2.col2 = table1.col1)
@@ -225,11 +225,14 @@ def join(
E.g.::
j = join(user_table, address_table,
user_table.c.id == address_table.c.user_id)
j = join(
user_table, address_table, user_table.c.id == address_table.c.user_id
)
stmt = select(user_table).select_from(j)
would emit SQL along the lines of::
would emit SQL along the lines of:
.. sourcecode:: sql
SELECT user.id, user.name FROM user
JOIN address ON user.id = address.user_id
@@ -263,7 +266,7 @@ def join(
:class:`_expression.Join` - the type of object produced.
"""
""" # noqa: E501
return Join(left, right, onclause, isouter, full)
@@ -529,13 +532,14 @@ def tablesample(
from sqlalchemy import func
selectable = people.tablesample(
func.bernoulli(1),
name='alias',
seed=func.random())
func.bernoulli(1), name="alias", seed=func.random()
)
stmt = select(selectable.c.people_id)
Assuming ``people`` with a column ``people_id``, the above
statement would render as::
statement would render as:
.. sourcecode:: sql
SELECT alias.people_id FROM
people AS alias TABLESAMPLE bernoulli(:bernoulli_1)
@@ -613,12 +617,10 @@ def values(
from sqlalchemy import values
value_expr = values(
column('id', Integer),
column('name', String),
name="my_values"
).data(
[(1, 'name1'), (2, 'name2'), (3, 'name3')]
)
column("id", Integer),
column("name", String),
name="my_values",
).data([(1, "name1"), (2, "name2"), (3, "name3")])
:param \*columns: column expressions, typically composed using
:func:`_expression.column` objects.