Move migrations in application.
This commit is contained in:
Alexis Lahouze
parent
1a9363b723
commit
38da04a412
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Generic single-database configuration.
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# A generic, single database configuration.
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[alembic]
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# template used to generate migration files
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# file_template = %%(rev)s_%%(slug)s
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# set to 'true' to run the environment during
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# the 'revision' command, regardless of autogenerate
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# revision_environment = false
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# Logging configuration
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[loggers]
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keys = root,sqlalchemy,alembic
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[handlers]
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keys = console
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[formatters]
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keys = generic
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[logger_root]
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level = WARN
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handlers = console
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qualname =
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[logger_sqlalchemy]
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level = WARN
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handlers =
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qualname = sqlalchemy.engine
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[logger_alembic]
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level = INFO
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handlers =
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qualname = alembic
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[handler_console]
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class = StreamHandler
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args = (sys.stderr,)
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level = NOTSET
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formatter = generic
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[formatter_generic]
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format = %(levelname)-5.5s [%(name)s] %(message)s
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datefmt = %H:%M:%S
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from __future__ import with_statement
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from alembic import context
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from sqlalchemy import engine_from_config, pool
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from logging.config import fileConfig
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# this is the Alembic Config object, which provides
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# access to the values within the .ini file in use.
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config = context.config
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# Interpret the config file for Python logging.
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# This line sets up loggers basically.
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fileConfig(config.config_file_name)
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# add your model's MetaData object here
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# for 'autogenerate' support
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# from myapp import mymodel
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# target_metadata = mymodel.Base.metadata
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from flask import current_app
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config.set_main_option('sqlalchemy.url', current_app.config.get('SQLALCHEMY_DATABASE_URI'))
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target_metadata = current_app.extensions['migrate'].metadata
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# other values from the config, defined by the needs of env.py,
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# can be acquired:
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# my_important_option = config.get_main_option("my_important_option")
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# ... etc.
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def run_migrations_offline():
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"""Run migrations in 'offline' mode.
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This configures the context with just a URL
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and not an Engine, though an Engine is acceptable
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here as well. By skipping the Engine creation
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we don't even need a DBAPI to be available.
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Calls to context.execute() here emit the given string to the
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script output.
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"""
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url = config.get_main_option("sqlalchemy.url")
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context.configure(url=url)
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with context.begin_transaction():
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context.run_migrations()
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def run_migrations_online():
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"""Run migrations in 'online' mode.
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In this scenario we need to create an Engine
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and associate a connection with the context.
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"""
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engine = engine_from_config(
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config.get_section(config.config_ini_section),
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prefix='sqlalchemy.',
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poolclass=pool.NullPool)
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connection = engine.connect()
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context.configure(
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connection=connection,
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target_metadata=target_metadata
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)
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try:
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with context.begin_transaction():
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context.run_migrations()
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finally:
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connection.close()
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if context.is_offline_mode():
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run_migrations_offline()
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else:
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run_migrations_online()
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"""${message}
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Revision ID: ${up_revision}
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Revises: ${down_revision | comma,n}
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Create Date: ${create_date}
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"""
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# revision identifiers, used by Alembic.
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revision = ${repr(up_revision)}
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down_revision = ${repr(down_revision)}
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branch_labels = ${repr(branch_labels)}
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depends_on = ${repr(depends_on)}
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from alembic import op
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import sqlalchemy as sa
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${imports if imports else ""}
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def upgrade():
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${upgrades if upgrades else "pass"}
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def downgrade():
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${downgrades if downgrades else "pass"}
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"""Add user support.
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Revision ID: 1232daf66ac
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Revises: 144929e0f5f
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Create Date: 2015-08-31 10:24:40.578432
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"""
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# revision identifiers, used by Alembic.
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revision = '1232daf66ac'
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down_revision = '144929e0f5f'
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from alembic import op
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import sqlalchemy as sa
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def upgrade():
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### commands auto generated by Alembic - please adjust! ###
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op.create_table('user',
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sa.Column('id', sa.Integer(), nullable=False),
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sa.Column('email', sa.String(length=200), nullable=False),
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sa.Column('password', sa.String(length=100), nullable=True),
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sa.Column('active', sa.Boolean(), server_default=sa.text('true'), nullable=False),
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sa.PrimaryKeyConstraint('id')
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)
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op.create_index(op.f('ix_user_email'), 'user', ['email'], unique=True)
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### end Alembic commands ###
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def downgrade():
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### commands auto generated by Alembic - please adjust! ###
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op.drop_index(op.f('ix_user_email'), table_name='user')
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op.drop_table('user')
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### end Alembic commands ###
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"""Improve operation scheduling.
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Revision ID: 144929e0f5f
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Revises: None
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Create Date: 2015-07-17 15:04:01.002581
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"""
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# revision identifiers, used by Alembic.
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revision = '144929e0f5f'
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down_revision = None
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from alembic import op
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import sqlalchemy as sa
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from accountant.api.models.scheduled_operations import ScheduledOperation
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def upgrade():
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op.get_bind().execute("DROP VIEW operation")
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op.rename_table('entry', 'operation')
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# Add column "canceled" in table "entry"
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op.add_column(
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'operation',
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sa.Column(
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'canceled',
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sa.Boolean(),
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nullable=False,
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default=False,
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server_default=sa.false()
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)
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)
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# Add column "confirmed" in table "entry"
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op.add_column(
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'operation',
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sa.Column(
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'confirmed',
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sa.Boolean(),
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nullable=False,
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default=True,
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server_default=sa.true()
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)
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)
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# Drop unused table canceled_operation.
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op.drop_table('canceled_operation')
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op.get_bind().execute(
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"alter sequence entry_id_seq rename to operation_id_seq"
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)
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connection = op.get_bind()
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Session = sa.orm.sessionmaker()
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session = Session(bind=connection)
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# Get all scheduled operations
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scheduled_operations = ScheduledOperation.query(session).all()
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for scheduled_operation in scheduled_operations:
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scheduled_operation.reschedule(session)
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def downgrade():
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op.create_table(
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"canceled_operation",
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sa.Column("id", sa.Integer, primary_key=True),
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sa.Column(
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"scheduled_operation_id", sa.Integer(),
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sa.ForeignKey("scheduled_operation.id")),
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sa.Column("operation_date", sa.Date, nullable=False)
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)
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op.drop_column('operation', 'canceled')
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op.drop_column('operation', 'confirmed')
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op.get_bind().execute(
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"alter sequence operation_id_seq rename to entry_id_seq"
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)
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op.rename_table('operation', 'entry')
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op.get_bind().execute(
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"""
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CREATE VIEW operation AS
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SELECT entry.id,
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entry.operation_date,
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entry.label,
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entry.value,
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entry.account_id,
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entry.category,
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entry.pointed,
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entry.scheduled_operation_id,
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false AS canceled
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FROM entry
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UNION
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SELECT NULL::bigint AS id,
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scheduled_operation.operation_date,
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scheduled_operation.label,
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scheduled_operation.value,
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scheduled_operation.account_id,
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scheduled_operation.category,
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false AS pointed,
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scheduled_operation.id AS scheduled_operation_id,
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false AS canceled
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FROM (
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SELECT scheduled_operation_1.id,
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scheduled_operation_1.start_date,
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scheduled_operation_1.stop_date,
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scheduled_operation_1.day,
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scheduled_operation_1.frequency,
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scheduled_operation_1.label,
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scheduled_operation_1.value,
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scheduled_operation_1.account_id,
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scheduled_operation_1.category,
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generate_series(scheduled_operation_1.start_date::timestamp without time zone, scheduled_operation_1.stop_date::timestamp without time zone, scheduled_operation_1.frequency::double precision * '1 mon'::interval) AS operation_date
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FROM scheduled_operation scheduled_operation_1) scheduled_operation
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LEFT JOIN (
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SELECT entry.scheduled_operation_id,
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date_trunc('MONTH'::text, entry.operation_date::timestamp with time zone) AS operation_date
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FROM entry
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UNION
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SELECT canceled_operation.scheduled_operation_id,
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date_trunc('MONTH'::text, canceled_operation.operation_date::timestamp with time zone) AS operation_date
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FROM canceled_operation
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) saved_operation ON saved_operation.scheduled_operation_id = scheduled_operation.id AND saved_operation.operation_date = date_trunc('MONTH'::text, scheduled_operation.operation_date)
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WHERE saved_operation.scheduled_operation_id IS NULL
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UNION
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SELECT NULL::bigint AS id,
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canceled_operation.operation_date,
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scheduled_operation.label,
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scheduled_operation.value,
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scheduled_operation.account_id,
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scheduled_operation.category,
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false AS pointed,
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scheduled_operation.id AS scheduled_operation_id,
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true AS canceled
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FROM scheduled_operation
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JOIN canceled_operation ON canceled_operation.scheduled_operation_id = scheduled_operation.id;
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"""
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)
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