migrations/versions/1cf0a2076e83_create_user_tweet.py

"""create user, tweet

Revision ID: 1cf0a2076e83
Revises: 
Create Date: 2018-12-12 17:37:51.077112

"""
from alembic import op
import sqlalchemy as sa


# revision identifiers, used by Alembic.
revision = '1cf0a2076e83'
down_revision = None
branch_labels = None
depends_on = None


def upgrade():
    # ### commands auto generated by Alembic - please adjust! ###
    op.create_table('user',
    sa.Column('id', sa.Integer(), nullable=False),
    sa.Column('username', sa.String(length=64), nullable=True),
    sa.Column('email', sa.String(length=64), nullable=True),
    sa.Column('password_hash', sa.String(length=128), nullable=True),
    sa.PrimaryKeyConstraint('id')
    )
    op.create_index(op.f('ix_user_email'), 'user', ['email'], unique=True)
    op.create_index(op.f('ix_user_username'), 'user', ['username'], unique=True)
    op.create_table('tweet',
    sa.Column('id', sa.Integer(), nullable=False),
    sa.Column('body', sa.String(length=140), nullable=True),
    sa.Column('create_time', sa.DateTime(), nullable=True),
    sa.Column('user_id', sa.Integer(), nullable=True),
    sa.ForeignKeyConstraint(['user_id'], ['user.id'], ),
    sa.PrimaryKeyConstraint('id')
    )
    # ### end Alembic commands ###


def downgrade():
    # ### commands auto generated by Alembic - please adjust! ###
    op.drop_table('tweet')
    op.drop_index(op.f('ix_user_username'), table_name='user')
    op.drop_index(op.f('ix_user_email'), table_name='user')
    op.drop_table('user')
    # ### end Alembic commands ###