From 3ce694bbebb9c24606e83f8923ca8055b7c9c63d Mon Sep 17 00:00:00 2001 From: Rasmus Luha Date: Thu, 24 Feb 2022 02:57:29 +0200 Subject: Added Alembic stuff --- alembic/README | 1 + alembic/env.py | 84 ++++++++++++++++++++++ alembic/script.py.mako | 24 +++++++ .../versions/19d57d527c14_create_posts_table.py | 27 +++++++ .../versions/4fa455e8771b_auto_add_votes_table.py | 34 +++++++++ .../versions/7fb31859972f_add_revision_table.py | 33 +++++++++ .../e68b0c5f7380_add_foreign_key_to_posts_table.py | 29 ++++++++ ...8f4db81d80_add_content_column_to_posts_table.py | 26 +++++++ .../f60bfe68b20f_add_other_posts_columns.py | 30 ++++++++ 9 files changed, 288 insertions(+) create mode 100644 alembic/README create mode 100644 alembic/env.py create mode 100644 alembic/script.py.mako create mode 100644 alembic/versions/19d57d527c14_create_posts_table.py create mode 100644 alembic/versions/4fa455e8771b_auto_add_votes_table.py create mode 100644 alembic/versions/7fb31859972f_add_revision_table.py create mode 100644 alembic/versions/e68b0c5f7380_add_foreign_key_to_posts_table.py create mode 100644 alembic/versions/f18f4db81d80_add_content_column_to_posts_table.py create mode 100644 alembic/versions/f60bfe68b20f_add_other_posts_columns.py (limited to 'alembic') diff --git a/alembic/README b/alembic/README new file mode 100644 index 0000000..98e4f9c --- /dev/null +++ b/alembic/README @@ -0,0 +1 @@ +Generic single-database configuration. \ No newline at end of file diff --git a/alembic/env.py b/alembic/env.py new file mode 100644 index 0000000..acb3a7a --- /dev/null +++ b/alembic/env.py @@ -0,0 +1,84 @@ +from logging.config import fileConfig + +from sqlalchemy import engine_from_config +from sqlalchemy import pool + +from alembic import context + +from app.models import Base +from app.config import settings + + +# this is the Alembic Config object, which provides +# access to the values within the .ini file in use. +config = context.config +config.set_main_option("sqlalchemy.url", f'postgresql+psycopg2://{settings.database_username}:\ + {settings.database_password}@{settings.database_hostname}:{settings.database_port}\ + /{settings.database_name}') + +# Interpret the config file for Python logging. +# This line sets up loggers basically. +fileConfig(config.config_file_name) + +# add your model's MetaData object here +# for 'autogenerate' support +# from myapp import mymodel +# target_metadata = mymodel.Base.metadata +target_metadata = Base.metadata + +# 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. + + +def run_migrations_offline(): + """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"}, + ) + + with context.begin_transaction(): + context.run_migrations() + + +def run_migrations_online(): + """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, + ) + + with connectable.connect() as connection: + context.configure( + connection=connection, target_metadata=target_metadata + ) + + with context.begin_transaction(): + context.run_migrations() + + +if context.is_offline_mode(): + run_migrations_offline() +else: + run_migrations_online() diff --git a/alembic/script.py.mako b/alembic/script.py.mako new file mode 100644 index 0000000..2c01563 --- /dev/null +++ b/alembic/script.py.mako @@ -0,0 +1,24 @@ +"""${message} + +Revision ID: ${up_revision} +Revises: ${down_revision | comma,n} +Create Date: ${create_date} + +""" +from alembic import op +import sqlalchemy as sa +${imports if imports else ""} + +# revision identifiers, used by Alembic. +revision = ${repr(up_revision)} +down_revision = ${repr(down_revision)} +branch_labels = ${repr(branch_labels)} +depends_on = ${repr(depends_on)} + + +def upgrade(): + ${upgrades if upgrades else "pass"} + + +def downgrade(): + ${downgrades if downgrades else "pass"} diff --git a/alembic/versions/19d57d527c14_create_posts_table.py b/alembic/versions/19d57d527c14_create_posts_table.py new file mode 100644 index 0000000..8550646 --- /dev/null +++ b/alembic/versions/19d57d527c14_create_posts_table.py @@ -0,0 +1,27 @@ +"""create posts table + +Revision ID: 19d57d527c14 +Revises: +Create Date: 2022-02-24 01:18:04.684095 + +""" +from alembic import op +import sqlalchemy as sa + + +# revision identifiers, used by Alembic. +revision = '19d57d527c14' +down_revision = None +branch_labels = None +depends_on = None + + +def upgrade(): + op.create_table("posts", sa.Column('id', sa.Integer(), nullable=False, primary_key=True ), + sa.Column("title", sa.String(), nullable=False) ) + pass + + +def downgrade(): + op.drop_table('posts') + pass diff --git a/alembic/versions/4fa455e8771b_auto_add_votes_table.py b/alembic/versions/4fa455e8771b_auto_add_votes_table.py new file mode 100644 index 0000000..6c60f85 --- /dev/null +++ b/alembic/versions/4fa455e8771b_auto_add_votes_table.py @@ -0,0 +1,34 @@ +"""auto-add Votes table + +Revision ID: 4fa455e8771b +Revises: f60bfe68b20f +Create Date: 2022-02-24 02:53:06.350609 + +""" +from alembic import op +import sqlalchemy as sa + + +# revision identifiers, used by Alembic. +revision = '4fa455e8771b' +down_revision = 'f60bfe68b20f' +branch_labels = None +depends_on = None + + +def upgrade(): + # ### commands auto generated by Alembic - please adjust! ### + op.create_table('votes', + sa.Column('user_id', sa.Integer(), nullable=False), + sa.Column('post_id', sa.Integer(), nullable=False), + sa.ForeignKeyConstraint(['post_id'], ['posts.id'], ondelete='CASCADE'), + sa.ForeignKeyConstraint(['user_id'], ['users.id'], ondelete='CASCADE'), + sa.PrimaryKeyConstraint('user_id', 'post_id') + ) + # ### end Alembic commands ### + + +def downgrade(): + # ### commands auto generated by Alembic - please adjust! ### + op.drop_table('votes') + # ### end Alembic commands ### diff --git a/alembic/versions/7fb31859972f_add_revision_table.py b/alembic/versions/7fb31859972f_add_revision_table.py new file mode 100644 index 0000000..440e695 --- /dev/null +++ b/alembic/versions/7fb31859972f_add_revision_table.py @@ -0,0 +1,33 @@ +"""add revision table + +Revision ID: 7fb31859972f +Revises: f18f4db81d80 +Create Date: 2022-02-24 02:14:33.592965 + +""" +from alembic import op +import sqlalchemy as sa + + +# revision identifiers, used by Alembic. +revision = '7fb31859972f' +down_revision = 'f18f4db81d80' +branch_labels = None +depends_on = None + + +def upgrade(): + op.create_table("users", + sa.Column("id", sa.Integer(), nullable=False), + sa.Column("email", sa.String(), nullable=False), + sa.Column("password", sa.String(), nullable=False), + sa.Column("created_at", sa.TIMESTAMP(timezone=True), server_default=sa.text('now()'), nullable=False), + sa.PrimaryKeyConstraint("id"), + sa.UniqueConstraint("email") + ) + pass + + +def downgrade(): + op.drop_table("users") + pass diff --git a/alembic/versions/e68b0c5f7380_add_foreign_key_to_posts_table.py b/alembic/versions/e68b0c5f7380_add_foreign_key_to_posts_table.py new file mode 100644 index 0000000..4ef704a --- /dev/null +++ b/alembic/versions/e68b0c5f7380_add_foreign_key_to_posts_table.py @@ -0,0 +1,29 @@ +"""Add foreign-key to posts table + +Revision ID: e68b0c5f7380 +Revises: 7fb31859972f +Create Date: 2022-02-24 02:21:51.623836 + +""" +from alembic import op +import sqlalchemy as sa + + +# revision identifiers, used by Alembic. +revision = 'e68b0c5f7380' +down_revision = '7fb31859972f' +branch_labels = None +depends_on = None + + +def upgrade(): + op.add_column("posts", sa.Column("owner_id", sa.Integer(), nullable=False) ) + op.create_foreign_key("post_users_fk", source_table="posts", referent_table="users", + local_cols=["owner_id"], remote_cols=["id"], ondelete="CASCADE") + pass + + +def downgrade(): + op.drop_constraint("post_users_fk", table_name="posts") + op.drop_column("posts", "owner_id") + pass diff --git a/alembic/versions/f18f4db81d80_add_content_column_to_posts_table.py b/alembic/versions/f18f4db81d80_add_content_column_to_posts_table.py new file mode 100644 index 0000000..a783bf5 --- /dev/null +++ b/alembic/versions/f18f4db81d80_add_content_column_to_posts_table.py @@ -0,0 +1,26 @@ +"""add content column to posts table + +Revision ID: f18f4db81d80 +Revises: 19d57d527c14 +Create Date: 2022-02-24 02:03:54.409749 + +""" +from alembic import op +import sqlalchemy as sa + + +# revision identifiers, used by Alembic. +revision = 'f18f4db81d80' +down_revision = '19d57d527c14' +branch_labels = None +depends_on = None + + +def upgrade(): + op.add_column("posts", sa.Column("content", sa.String(), nullable=False) ) + pass + + +def downgrade(): + op.drop_column("posts", "content") + pass diff --git a/alembic/versions/f60bfe68b20f_add_other_posts_columns.py b/alembic/versions/f60bfe68b20f_add_other_posts_columns.py new file mode 100644 index 0000000..0f2c369 --- /dev/null +++ b/alembic/versions/f60bfe68b20f_add_other_posts_columns.py @@ -0,0 +1,30 @@ +"""add other posts columns + +Revision ID: f60bfe68b20f +Revises: e68b0c5f7380 +Create Date: 2022-02-24 02:26:37.946997 + +""" +from alembic import op +import sqlalchemy as sa + + +# revision identifiers, used by Alembic. +revision = 'f60bfe68b20f' +down_revision = 'e68b0c5f7380' +branch_labels = None +depends_on = None + + +def upgrade(): + op.add_column("posts", sa.Column("published", sa.Boolean(), nullable=False, + server_default="TRUE"),) + op.add_column("posts", sa.Column("created_at", sa.TIMESTAMP(timezone=True), nullable=False, + server_default=sa.text("NOW()")),) + pass + + +def downgrade(): + op.drop_column("posts", "published") + op.drop_column("posts", "created_at") + pass -- cgit v1.2.3