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0001_1_5_0_current_schema.py
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0001_1_5_0_current_schema.py
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#
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
"""current schema
Revision ID: e3a246e0dc1
Revises:
Create Date: 2015-08-18 16:35:00.883495
"""
from __future__ import annotations
import sqlalchemy as sa
from alembic import op
from sqlalchemy import func, inspect
from airflow.migrations.db_types import StringID
# revision identifiers, used by Alembic.
revision = 'e3a246e0dc1'
down_revision = None
branch_labels = None
depends_on = None
airflow_version = '1.5.0'
def upgrade():
conn = op.get_bind()
inspector = inspect(conn)
tables = inspector.get_table_names()
if 'connection' not in tables:
op.create_table(
'connection',
sa.Column('id', sa.Integer(), nullable=False),
sa.Column('conn_id', StringID(), nullable=True),
sa.Column('conn_type', sa.String(length=500), nullable=True),
sa.Column('host', sa.String(length=500), nullable=True),
sa.Column('schema', sa.String(length=500), nullable=True),
sa.Column('login', sa.String(length=500), nullable=True),
sa.Column('password', sa.String(length=500), nullable=True),
sa.Column('port', sa.Integer(), nullable=True),
sa.Column('extra', sa.String(length=5000), nullable=True),
sa.PrimaryKeyConstraint('id'),
)
if 'dag' not in tables:
op.create_table(
'dag',
sa.Column('dag_id', StringID(), nullable=False),
sa.Column('is_paused', sa.Boolean(), nullable=True),
sa.Column('is_subdag', sa.Boolean(), nullable=True),
sa.Column('is_active', sa.Boolean(), nullable=True),
sa.Column('last_scheduler_run', sa.DateTime(), nullable=True),
sa.Column('last_pickled', sa.DateTime(), nullable=True),
sa.Column('last_expired', sa.DateTime(), nullable=True),
sa.Column('scheduler_lock', sa.Boolean(), nullable=True),
sa.Column('pickle_id', sa.Integer(), nullable=True),
sa.Column('fileloc', sa.String(length=2000), nullable=True),
sa.Column('owners', sa.String(length=2000), nullable=True),
sa.PrimaryKeyConstraint('dag_id'),
)
if 'dag_pickle' not in tables:
op.create_table(
'dag_pickle',
sa.Column('id', sa.Integer(), nullable=False),
sa.Column('pickle', sa.PickleType(), nullable=True),
sa.Column('created_dttm', sa.DateTime(), nullable=True),
sa.Column('pickle_hash', sa.BigInteger(), nullable=True),
sa.PrimaryKeyConstraint('id'),
)
if 'import_error' not in tables:
op.create_table(
'import_error',
sa.Column('id', sa.Integer(), nullable=False),
sa.Column('timestamp', sa.DateTime(), nullable=True),
sa.Column('filename', sa.String(length=1024), nullable=True),
sa.Column('stacktrace', sa.Text(), nullable=True),
sa.PrimaryKeyConstraint('id'),
)
if 'job' not in tables:
op.create_table(
'job',
sa.Column('id', sa.Integer(), nullable=False),
sa.Column('dag_id', sa.String(length=250), nullable=True),
sa.Column('state', sa.String(length=20), nullable=True),
sa.Column('job_type', sa.String(length=30), nullable=True),
sa.Column('start_date', sa.DateTime(), nullable=True),
sa.Column('end_date', sa.DateTime(), nullable=True),
sa.Column('latest_heartbeat', sa.DateTime(), nullable=True),
sa.Column('executor_class', sa.String(length=500), nullable=True),
sa.Column('hostname', sa.String(length=500), nullable=True),
sa.Column('unixname', sa.String(length=1000), nullable=True),
sa.PrimaryKeyConstraint('id'),
)
op.create_index('job_type_heart', 'job', ['job_type', 'latest_heartbeat'], unique=False)
if 'log' not in tables:
op.create_table(
'log',
sa.Column('id', sa.Integer(), nullable=False),
sa.Column('dttm', sa.DateTime(), nullable=True),
sa.Column('dag_id', StringID(), nullable=True),
sa.Column('task_id', StringID(), nullable=True),
sa.Column('event', sa.String(length=30), nullable=True),
sa.Column('execution_date', sa.DateTime(), nullable=True),
sa.Column('owner', sa.String(length=500), nullable=True),
sa.PrimaryKeyConstraint('id'),
)
if 'sla_miss' not in tables:
op.create_table(
'sla_miss',
sa.Column('task_id', StringID(), nullable=False),
sa.Column('dag_id', StringID(), nullable=False),
sa.Column('execution_date', sa.DateTime(), nullable=False),
sa.Column('email_sent', sa.Boolean(), nullable=True),
sa.Column('timestamp', sa.DateTime(), nullable=True),
sa.Column('description', sa.Text(), nullable=True),
sa.PrimaryKeyConstraint('task_id', 'dag_id', 'execution_date'),
)
if 'slot_pool' not in tables:
op.create_table(
'slot_pool',
sa.Column('id', sa.Integer(), nullable=False),
sa.Column('pool', StringID(length=50), nullable=True),
sa.Column('slots', sa.Integer(), nullable=True),
sa.Column('description', sa.Text(), nullable=True),
sa.PrimaryKeyConstraint('id'),
sa.UniqueConstraint('pool'),
)
if 'task_instance' not in tables:
op.create_table(
'task_instance',
sa.Column('task_id', StringID(), nullable=False),
sa.Column('dag_id', StringID(), nullable=False),
sa.Column('execution_date', sa.DateTime(), nullable=False),
sa.Column('start_date', sa.DateTime(), nullable=True),
sa.Column('end_date', sa.DateTime(), nullable=True),
sa.Column('duration', sa.Integer(), nullable=True),
sa.Column('state', sa.String(length=20), nullable=True),
sa.Column('try_number', sa.Integer(), nullable=True),
sa.Column('hostname', sa.String(length=1000), nullable=True),
sa.Column('unixname', sa.String(length=1000), nullable=True),
sa.Column('job_id', sa.Integer(), nullable=True),
sa.Column('pool', sa.String(length=50), nullable=True),
sa.Column('queue', sa.String(length=50), nullable=True),
sa.Column('priority_weight', sa.Integer(), nullable=True),
sa.PrimaryKeyConstraint('task_id', 'dag_id', 'execution_date'),
)
op.create_index('ti_dag_state', 'task_instance', ['dag_id', 'state'], unique=False)
op.create_index('ti_pool', 'task_instance', ['pool', 'state', 'priority_weight'], unique=False)
op.create_index(
'ti_state_lkp', 'task_instance', ['dag_id', 'task_id', 'execution_date', 'state'], unique=False
)
if 'user' not in tables:
op.create_table(
'user',
sa.Column('id', sa.Integer(), nullable=False),
sa.Column('username', StringID(), nullable=True),
sa.Column('email', sa.String(length=500), nullable=True),
sa.PrimaryKeyConstraint('id'),
sa.UniqueConstraint('username'),
)
if 'variable' not in tables:
op.create_table(
'variable',
sa.Column('id', sa.Integer(), nullable=False),
sa.Column('key', StringID(), nullable=True),
sa.Column('val', sa.Text(), nullable=True),
sa.PrimaryKeyConstraint('id'),
sa.UniqueConstraint('key'),
)
if 'chart' not in tables:
op.create_table(
'chart',
sa.Column('id', sa.Integer(), nullable=False),
sa.Column('label', sa.String(length=200), nullable=True),
sa.Column('conn_id', sa.String(length=250), nullable=False),
sa.Column('user_id', sa.Integer(), nullable=True),
sa.Column('chart_type', sa.String(length=100), nullable=True),
sa.Column('sql_layout', sa.String(length=50), nullable=True),
sa.Column('sql', sa.Text(), nullable=True),
sa.Column('y_log_scale', sa.Boolean(), nullable=True),
sa.Column('show_datatable', sa.Boolean(), nullable=True),
sa.Column('show_sql', sa.Boolean(), nullable=True),
sa.Column('height', sa.Integer(), nullable=True),
sa.Column('default_params', sa.String(length=5000), nullable=True),
sa.Column('x_is_date', sa.Boolean(), nullable=True),
sa.Column('iteration_no', sa.Integer(), nullable=True),
sa.Column('last_modified', sa.DateTime(), nullable=True),
sa.ForeignKeyConstraint(
['user_id'],
['user.id'],
),
sa.PrimaryKeyConstraint('id'),
)
if 'xcom' not in tables:
op.create_table(
'xcom',
sa.Column('id', sa.Integer(), nullable=False),
sa.Column('key', StringID(length=512), nullable=True),
sa.Column('value', sa.PickleType(), nullable=True),
sa.Column('timestamp', sa.DateTime(), default=func.now, nullable=False),
sa.Column('execution_date', sa.DateTime(), nullable=False),
sa.Column('task_id', StringID(), nullable=False),
sa.Column('dag_id', StringID(), nullable=False),
sa.PrimaryKeyConstraint('id'),
)
def downgrade():
op.drop_table('chart')
op.drop_table('variable')
op.drop_table('user')
op.drop_index('ti_state_lkp', table_name='task_instance')
op.drop_index('ti_pool', table_name='task_instance')
op.drop_index('ti_dag_state', table_name='task_instance')
op.drop_table('task_instance')
op.drop_table('slot_pool')
op.drop_table('sla_miss')
op.drop_table('log')
op.drop_index('job_type_heart', table_name='job')
op.drop_table('job')
op.drop_table('import_error')
op.drop_table('dag_pickle')
op.drop_table('dag')
op.drop_table('connection')
op.drop_table('xcom')