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# a postpartum_care_center_management_system | ||
## 迁移数据库 | ||
- alembic revision --autogenerate -m "描述你的更改" | ||
- alembic upgrade head |
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# A generic, single database configuration. | ||
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[alembic] | ||
# path to migration scripts | ||
# Use forward slashes (/) also on windows to provide an os agnostic path | ||
script_location = alembic | ||
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# template used to generate migration file names; The default value is %%(rev)s_%%(slug)s | ||
# Uncomment the line below if you want the files to be prepended with date and time | ||
# see https://alembic.sqlalchemy.org/en/latest/tutorial.html#editing-the-ini-file | ||
# for all available tokens | ||
# file_template = %%(year)d_%%(month).2d_%%(day).2d_%%(hour).2d%%(minute).2d-%%(rev)s_%%(slug)s | ||
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# sys.path path, will be prepended to sys.path if present. | ||
# defaults to the current working directory. | ||
prepend_sys_path = . | ||
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# timezone to use when rendering the date within the migration file | ||
# as well as the filename. | ||
# If specified, requires the python>=3.9 or backports.zoneinfo library. | ||
# Any required deps can installed by adding `alembic[tz]` to the pip requirements | ||
# string value is passed to ZoneInfo() | ||
# leave blank for localtime | ||
# timezone = | ||
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# max length of characters to apply to the "slug" field | ||
# truncate_slug_length = 40 | ||
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# set to 'true' to run the environment during | ||
# the 'revision' command, regardless of autogenerate | ||
# revision_environment = false | ||
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# set to 'true' to allow .pyc and .pyo files without | ||
# a source .py file to be detected as revisions in the | ||
# versions/ directory | ||
# sourceless = false | ||
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# version location specification; This defaults | ||
# to alembic/versions. When using multiple version | ||
# directories, initial revisions must be specified with --version-path. | ||
# The path separator used here should be the separator specified by "version_path_separator" below. | ||
# version_locations = %(here)s/bar:%(here)s/bat:alembic/versions | ||
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# version path separator; As mentioned above, this is the character used to split | ||
# version_locations. The default within new alembic.ini files is "os", which uses os.pathsep. | ||
# If this key is omitted entirely, it falls back to the legacy behavior of splitting on spaces and/or commas. | ||
# Valid values for version_path_separator are: | ||
# | ||
# version_path_separator = : | ||
# version_path_separator = ; | ||
# version_path_separator = space | ||
version_path_separator = os # Use os.pathsep. Default configuration used for new projects. | ||
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# set to 'true' to search source files recursively | ||
# in each "version_locations" directory | ||
# new in Alembic version 1.10 | ||
# recursive_version_locations = false | ||
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# the output encoding used when revision files | ||
# are written from script.py.mako | ||
# output_encoding = utf-8 | ||
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sqlalchemy.url = postgresql://postgres:[email protected]:5432/postgres | ||
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[post_write_hooks] | ||
# post_write_hooks defines scripts or Python functions that are run | ||
# on newly generated revision scripts. See the documentation for further | ||
# detail and examples | ||
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# format using "black" - use the console_scripts runner, against the "black" entrypoint | ||
# hooks = black | ||
# black.type = console_scripts | ||
# black.entrypoint = black | ||
# black.options = -l 79 REVISION_SCRIPT_FILENAME | ||
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# lint with attempts to fix using "ruff" - use the exec runner, execute a binary | ||
# hooks = ruff | ||
# ruff.type = exec | ||
# ruff.executable = %(here)s/.venv/bin/ruff | ||
# ruff.options = --fix REVISION_SCRIPT_FILENAME | ||
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# Logging configuration | ||
[loggers] | ||
keys = root,sqlalchemy,alembic | ||
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[handlers] | ||
keys = console | ||
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[formatters] | ||
keys = generic | ||
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[logger_root] | ||
level = WARN | ||
handlers = console | ||
qualname = | ||
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[logger_sqlalchemy] | ||
level = WARN | ||
handlers = | ||
qualname = sqlalchemy.engine | ||
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[logger_alembic] | ||
level = INFO | ||
handlers = | ||
qualname = alembic | ||
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[handler_console] | ||
class = StreamHandler | ||
args = (sys.stderr,) | ||
level = NOTSET | ||
formatter = generic | ||
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[formatter_generic] | ||
format = %(levelname)-5.5s [%(name)s] %(message)s | ||
datefmt = %H:%M:%S |
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Generic single-database configuration. |
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import model | ||
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from logging.config import fileConfig | ||
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from sqlalchemy import engine_from_config | ||
from sqlalchemy import pool | ||
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from alembic import context | ||
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# this is the Alembic Config object, which provides | ||
# access to the values within the .ini file in use. | ||
config = context.config | ||
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# Interpret the config file for Python logging. | ||
# This line sets up loggers basically. | ||
if config.config_file_name is not None: | ||
fileConfig(config.config_file_name) | ||
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# add your model's MetaData object here | ||
# for 'autogenerate' support | ||
# from myapp import mymodel | ||
target_metadata = model.Base.metadata | ||
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# other values from the config, defined by the needs of env.py, | ||
# can be acquired: | ||
# my_important_option = config.get_main_option("my_important_option") | ||
# ... etc. | ||
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def run_migrations_offline() -> None: | ||
"""Run migrations in 'offline' mode. | ||
This configures the context with just a URL | ||
and not an Engine, though an Engine is acceptable | ||
here as well. By skipping the Engine creation | ||
we don't even need a DBAPI to be available. | ||
Calls to context.execute() here emit the given string to the | ||
script output. | ||
""" | ||
url = config.get_main_option("sqlalchemy.url") | ||
context.configure( | ||
url=url, | ||
target_metadata=target_metadata, | ||
literal_binds=True, | ||
dialect_opts={"paramstyle": "named"}, | ||
) | ||
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with context.begin_transaction(): | ||
context.run_migrations() | ||
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def run_migrations_online() -> None: | ||
"""Run migrations in 'online' mode. | ||
In this scenario we need to create an Engine | ||
and associate a connection with the context. | ||
""" | ||
connectable = engine_from_config( | ||
config.get_section(config.config_ini_section, {}), | ||
prefix="sqlalchemy.", | ||
poolclass=pool.NullPool, | ||
) | ||
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with connectable.connect() as connection: | ||
context.configure( | ||
connection=connection, target_metadata=target_metadata | ||
) | ||
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with context.begin_transaction(): | ||
context.run_migrations() | ||
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if context.is_offline_mode(): | ||
run_migrations_offline() | ||
else: | ||
run_migrations_online() |
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"""${message} | ||
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Revision ID: ${up_revision} | ||
Revises: ${down_revision | comma,n} | ||
Create Date: ${create_date} | ||
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""" | ||
from typing import Sequence, Union | ||
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from alembic import op | ||
import sqlalchemy as sa | ||
${imports if imports else ""} | ||
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# revision identifiers, used by Alembic. | ||
revision: str = ${repr(up_revision)} | ||
down_revision: Union[str, None] = ${repr(down_revision)} | ||
branch_labels: Union[str, Sequence[str], None] = ${repr(branch_labels)} | ||
depends_on: Union[str, Sequence[str], None] = ${repr(depends_on)} | ||
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def upgrade() -> None: | ||
${upgrades if upgrades else "pass"} | ||
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def downgrade() -> None: | ||
${downgrades if downgrades else "pass"} |
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"""support qy_wx | ||
Revision ID: d3c8fa699833 | ||
Revises: f65f97d621f3 | ||
Create Date: 2024-07-01 16:26:55.782765 | ||
""" | ||
from typing import Sequence, Union | ||
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from alembic import op | ||
import sqlalchemy as sa | ||
from sqlalchemy.dialects import postgresql | ||
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# revision identifiers, used by Alembic. | ||
revision: str = 'd3c8fa699833' | ||
down_revision: Union[str, None] = 'f65f97d621f3' | ||
branch_labels: Union[str, Sequence[str], None] = None | ||
depends_on: Union[str, Sequence[str], None] = None | ||
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def upgrade() -> None: | ||
# ### commands auto generated by Alembic - please adjust! ### | ||
op.add_column('users', sa.Column('user_detail', postgresql.JSONB(astext_type=sa.Text()), nullable=True)) | ||
op.drop_column('users', 'is_active') | ||
op.drop_column('users', 'hashed_password') | ||
op.drop_column('users', 'role') | ||
op.drop_column('users', 'email') | ||
# ### end Alembic commands ### | ||
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def downgrade() -> None: | ||
# ### commands auto generated by Alembic - please adjust! ### | ||
op.add_column('users', sa.Column('email', sa.VARCHAR(), autoincrement=False, nullable=True)) | ||
op.add_column('users', sa.Column('role', sa.VARCHAR(), autoincrement=False, nullable=True)) | ||
op.add_column('users', sa.Column('hashed_password', sa.VARCHAR(), autoincrement=False, nullable=True)) | ||
op.add_column('users', sa.Column('is_active', sa.BOOLEAN(), autoincrement=False, nullable=True)) | ||
op.drop_column('users', 'user_detail') | ||
# ### end Alembic commands ### |
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"""test | ||
Revision ID: f65f97d621f3 | ||
Revises: | ||
Create Date: 2024-07-01 16:20:27.863067 | ||
""" | ||
from typing import Sequence, Union | ||
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from alembic import op | ||
import sqlalchemy as sa | ||
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# revision identifiers, used by Alembic. | ||
revision: str = 'f65f97d621f3' | ||
down_revision: Union[str, None] = None | ||
branch_labels: Union[str, Sequence[str], None] = None | ||
depends_on: Union[str, Sequence[str], None] = None | ||
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def upgrade() -> None: | ||
# ### commands auto generated by Alembic - please adjust! ### | ||
pass | ||
# ### end Alembic commands ### | ||
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def downgrade() -> None: | ||
# ### commands auto generated by Alembic - please adjust! ### | ||
pass | ||
# ### end Alembic commands ### |
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