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"""initialize
Revision ID: f3622e20dd86
Revises:
Create Date: 2019-03-18 14:11:22.386217
"""
from alembic import op
import sqlalchemy as sa
# revision identifiers, used by Alembic.
revision = 'f3622e20dd86'
down_revision = None
branch_labels = None
depends_on = None
def upgrade():
# ### commands auto generated by Alembic - please adjust! ###
op.create_table('dataset',
sa.Column('id', sa.Integer(), nullable=False),
sa.Column('name', sa.String(length=128), nullable=False),
sa.Column('created', sa.DateTime(), nullable=False),
sa.Column('md5sum', sa.String(length=32), nullable=False),
sa.PrimaryKeyConstraint('id'),
sa.UniqueConstraint('md5sum'),
sa.UniqueConstraint('name')
)
op.create_table('user',
sa.Column('id', sa.Integer(), nullable=False),
sa.Column('username', sa.String(length=80), nullable=False),
sa.Column('email', sa.String(length=256), nullable=False),
sa.Column('password_hash', sa.String(length=128), nullable=False),
sa.Column('last_active', sa.DateTime(), nullable=False),
sa.PrimaryKeyConstraint('id'),
sa.UniqueConstraint('email'),
sa.UniqueConstraint('username')
)
op.create_table('task',
sa.Column('id', sa.Integer(), nullable=False),
sa.Column('done', sa.Boolean(), nullable=False),
sa.Column('annotated_on', sa.DateTime(), nullable=True),
sa.Column('annotator_id', sa.Integer(), nullable=True),
sa.Column('dataset_id', sa.Integer(), nullable=True),
sa.ForeignKeyConstraint(['annotator_id'], ['user.id'], ),
sa.ForeignKeyConstraint(['dataset_id'], ['dataset.id'], ),
sa.PrimaryKeyConstraint('id')
)
op.create_table('annotation',
sa.Column('id', sa.Integer(), nullable=False),
sa.Column('time_start', sa.Integer(), nullable=True),
sa.Column('time_end', sa.Integer(), nullable=True),
sa.Column('task_id', sa.Integer(), nullable=True),
sa.ForeignKeyConstraint(['task_id'], ['task.id'], ),
sa.PrimaryKeyConstraint('id')
)
# ### end Alembic commands ###
def downgrade():
# ### commands auto generated by Alembic - please adjust! ###
op.drop_table('annotation')
op.drop_table('task')
op.drop_table('user')
op.drop_table('dataset')
# ### end Alembic commands ###
|
