37 lines
1.2 KiB
Python
37 lines
1.2 KiB
Python
"""create messages table
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Revision ID: b2c3d4e5f6g7
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Revises: a1b2c3d4e5f6
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Create Date: 2023-01-01 12:30:00.000000
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"""
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from alembic import op
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import sqlalchemy as sa
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from sqlalchemy.sql import func
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import uuid
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# revision identifiers
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revision = 'b2c3d4e5f6g7'
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down_revision = 'a1b2c3d4e5f6'
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branch_labels = None
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depends_on = None
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def upgrade():
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op.create_table(
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'messages',
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sa.Column('id', sa.String(), primary_key=True, default=lambda: str(uuid.uuid4())),
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sa.Column('sender_id', sa.String(), sa.ForeignKey('users.id')),
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sa.Column('recipient_id', sa.String(), sa.ForeignKey('users.id')),
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sa.Column('content', sa.String(), nullable=False),
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sa.Column('is_read', sa.Boolean(), default=False),
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sa.Column('created_at', sa.DateTime(), server_default=func.now()),
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sa.Column('updated_at', sa.DateTime(), server_default=func.now(), onupdate=func.now()),
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sa.PrimaryKeyConstraint('id')
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)
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op.create_index('ix_messages_sender_id', 'messages', ['sender_id'])
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op.create_index('ix_messages_recipient_id', 'messages', ['recipient_id'])
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def downgrade():
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op.drop_index('ix_messages_recipient_id', 'messages')
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op.drop_index('ix_messages_sender_id', 'messages')
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op.drop_table('messages') |