112 lines
4.6 KiB
Python
112 lines
4.6 KiB
Python
"""Initial migration
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Revision ID: 001
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Revises:
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Create Date: 2024-01-01 00:00:00.000000
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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.dialects import postgresql
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revision = '001'
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down_revision = None
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branch_labels = None
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depends_on = None
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def upgrade() -> None:
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op.create_table(
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'users',
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sa.Column('user_id', postgresql.UUID(as_uuid=True), nullable=False),
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sa.Column('telegram_id', sa.String(), nullable=False),
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sa.Column('role', sa.String(), nullable=False),
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sa.Column('created_at', sa.DateTime(), nullable=False),
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sa.PrimaryKeyConstraint('user_id'),
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sa.UniqueConstraint('telegram_id')
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)
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op.create_index(op.f('ix_users_telegram_id'), 'users', ['telegram_id'], unique=True)
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op.create_table(
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'collections',
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sa.Column('collection_id', postgresql.UUID(as_uuid=True), nullable=False),
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sa.Column('name', sa.String(), nullable=False),
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sa.Column('description', sa.Text(), nullable=True),
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sa.Column('owner_id', postgresql.UUID(as_uuid=True), nullable=False),
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sa.Column('is_public', sa.Boolean(), nullable=False),
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sa.Column('created_at', sa.DateTime(), nullable=False),
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sa.ForeignKeyConstraint(['owner_id'], ['users.user_id'], ),
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sa.PrimaryKeyConstraint('collection_id')
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)
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op.create_table(
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'documents',
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sa.Column('document_id', postgresql.UUID(as_uuid=True), nullable=False),
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sa.Column('collection_id', postgresql.UUID(as_uuid=True), nullable=False),
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sa.Column('title', sa.String(), nullable=False),
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sa.Column('content', sa.Text(), nullable=False),
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sa.Column('metadata', postgresql.JSON(astext_type=sa.Text()), nullable=True),
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sa.Column('created_at', sa.DateTime(), nullable=False),
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sa.ForeignKeyConstraint(['collection_id'], ['collections.collection_id'], ),
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sa.PrimaryKeyConstraint('document_id')
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)
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op.create_table(
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'embeddings',
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sa.Column('embedding_id', postgresql.UUID(as_uuid=True), nullable=False),
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sa.Column('document_id', postgresql.UUID(as_uuid=True), nullable=False),
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sa.Column('embedding', postgresql.JSON(astext_type=sa.Text()), nullable=True),
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sa.Column('model_version', sa.String(), nullable=True),
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sa.Column('created_at', sa.DateTime(), nullable=False),
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sa.ForeignKeyConstraint(['document_id'], ['documents.document_id'], ),
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sa.PrimaryKeyConstraint('embedding_id')
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)
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op.create_table(
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'conversations',
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sa.Column('conversation_id', postgresql.UUID(as_uuid=True), nullable=False),
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sa.Column('user_id', postgresql.UUID(as_uuid=True), nullable=False),
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sa.Column('collection_id', postgresql.UUID(as_uuid=True), nullable=False),
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sa.Column('created_at', sa.DateTime(), nullable=False),
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sa.Column('updated_at', sa.DateTime(), nullable=False),
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sa.ForeignKeyConstraint(['collection_id'], ['collections.collection_id'], ),
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sa.ForeignKeyConstraint(['user_id'], ['users.user_id'], ),
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sa.PrimaryKeyConstraint('conversation_id')
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)
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op.create_table(
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'messages',
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sa.Column('message_id', postgresql.UUID(as_uuid=True), nullable=False),
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sa.Column('conversation_id', postgresql.UUID(as_uuid=True), nullable=False),
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sa.Column('content', sa.Text(), nullable=False),
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sa.Column('role', sa.String(), nullable=False),
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sa.Column('sources', postgresql.JSON(astext_type=sa.Text()), nullable=True),
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sa.Column('created_at', sa.DateTime(), nullable=False),
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sa.ForeignKeyConstraint(['conversation_id'], ['conversations.conversation_id'], ),
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sa.PrimaryKeyConstraint('message_id')
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)
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op.create_table(
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'collection_access',
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sa.Column('access_id', postgresql.UUID(as_uuid=True), nullable=False),
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sa.Column('user_id', postgresql.UUID(as_uuid=True), nullable=False),
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sa.Column('collection_id', postgresql.UUID(as_uuid=True), nullable=False),
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sa.Column('created_at', sa.DateTime(), nullable=False),
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sa.ForeignKeyConstraint(['collection_id'], ['collections.collection_id'], ),
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sa.ForeignKeyConstraint(['user_id'], ['users.user_id'], ),
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sa.PrimaryKeyConstraint('access_id'),
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sa.UniqueConstraint('user_id', 'collection_id', name='uq_user_collection')
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)
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def downgrade() -> None:
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op.drop_table('collection_access')
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op.drop_table('messages')
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op.drop_table('conversations')
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op.drop_table('embeddings')
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op.drop_table('documents')
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op.drop_table('collections')
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op.drop_index(op.f('ix_users_telegram_id'), table_name='users')
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op.drop_table('users')
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