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| """initial schema with pgvector | |
| Revision ID: 04b68bac8d84 | |
| Revises: | |
| Create Date: 2026-10-18 14:52:32.088121 | |
| """ | |
| from typing import Sequence, Union | |
| from alembic import op | |
| import sqlalchemy as sa | |
| from sqlalchemy.dialects import postgresql | |
| import pgvector.sqlalchemy | |
| # revision identifiers, used by Alembic. | |
| revision: str = '04b68bac8d84' | |
| down_revision: Union[str, Sequence[str], None] = None | |
| branch_labels: Union[str, Sequence[str], None] = None | |
| depends_on: Union[str, Sequence[str], None] = None | |
| def upgrade() -> None: | |
| """Upgrade schema.""" | |
| # ### commands auto generated by Alembic - please adjust! ### | |
| op.execute('CREATE EXTENSION IF NOT EXISTS vector;') | |
| op.create_table('users', | |
| sa.Column('id', sa.UUID(), nullable=False), | |
| sa.Column('email', sa.String(length=320), nullable=False), | |
| sa.Column('password_hash', sa.String(length=255), nullable=False), | |
| sa.Column('role', sa.String(length=20), nullable=False), | |
| sa.Column('is_active', sa.Boolean(), nullable=False), | |
| sa.Column('created_at', sa.DateTime(timezone=True), nullable=False), | |
| sa.PrimaryKeyConstraint('id') | |
| ) | |
| op.create_table('hubs', | |
| sa.Column('id', sa.UUID(), nullable=False), | |
| sa.Column('owner_id', sa.UUID(), nullable=False), | |
| sa.Column('name', sa.String(length=120), nullable=False), | |
| sa.Column('description', sa.String(length=500), nullable=True), | |
| sa.Column('ai_summary', sa.String(), nullable=True), | |
| sa.Column('suggested_questions', postgresql.JSONB(astext_type=sa.Text()), nullable=False), | |
| sa.Column('created_at', sa.DateTime(timezone=True), nullable=False), | |
| sa.Column('updated_at', sa.DateTime(timezone=True), nullable=False), | |
| sa.ForeignKeyConstraint(['owner_id'], ['users.id'], ondelete='CASCADE'), | |
| sa.PrimaryKeyConstraint('id'), | |
| sa.UniqueConstraint('owner_id', 'name', name='uq_hub_name_per_owner') | |
| ) | |
| op.create_table('idempotency_keys', | |
| sa.Column('user_id', sa.UUID(), nullable=False), | |
| sa.Column('key', sa.UUID(), nullable=False), | |
| sa.Column('request_method', sa.String(length=10), nullable=False), | |
| sa.Column('request_path', sa.String(length=255), nullable=False), | |
| sa.Column('request_hash', sa.String(length=64), nullable=False), | |
| sa.Column('status', sa.String(length=20), nullable=False), | |
| sa.Column('response_status', sa.Integer(), nullable=True), | |
| sa.Column('response_body', postgresql.JSONB(astext_type=sa.Text()), nullable=True), | |
| sa.Column('created_at', sa.DateTime(timezone=True), nullable=False), | |
| sa.Column('expires_at', sa.DateTime(timezone=True), nullable=False), | |
| sa.ForeignKeyConstraint(['user_id'], ['users.id'], ondelete='CASCADE'), | |
| sa.PrimaryKeyConstraint('user_id', 'key') | |
| ) | |
| op.create_table('documents', | |
| sa.Column('id', sa.UUID(), nullable=False), | |
| sa.Column('hub_id', sa.UUID(), nullable=False), | |
| sa.Column('owner_id', sa.UUID(), nullable=False), | |
| sa.Column('origin', sa.String(length=20), nullable=False), | |
| sa.Column('filename', sa.String(length=255), nullable=False), | |
| sa.Column('mime_type', sa.String(length=100), nullable=False), | |
| sa.Column('size_bytes', sa.Integer(), nullable=False), | |
| sa.Column('checksum_sha256', sa.String(length=64), nullable=False), | |
| sa.Column('status', sa.String(length=20), nullable=False), | |
| sa.Column('error_message', sa.String(), nullable=True), | |
| sa.Column('file_bytes', sa.LargeBinary(), nullable=True), | |
| sa.Column('process_claim', sa.UUID(), nullable=True), | |
| sa.Column('created_at', sa.DateTime(timezone=True), nullable=False), | |
| sa.Column('updated_at', sa.DateTime(timezone=True), nullable=False), | |
| sa.ForeignKeyConstraint(['hub_id'], ['hubs.id'], ondelete='CASCADE'), | |
| sa.ForeignKeyConstraint(['owner_id'], ['users.id'], ondelete='CASCADE'), | |
| sa.PrimaryKeyConstraint('id'), | |
| sa.UniqueConstraint('hub_id', 'checksum_sha256', name='uq_doc_checksum_per_hub') | |
| ) | |
| op.create_table('chunks', | |
| sa.Column('id', sa.UUID(), nullable=False), | |
| sa.Column('document_id', sa.UUID(), nullable=False), | |
| sa.Column('hub_id', sa.UUID(), nullable=False), | |
| sa.Column('owner_id', sa.UUID(), nullable=False), | |
| sa.Column('chunk_index', sa.Integer(), nullable=False), | |
| sa.Column('text', sa.String(), nullable=False), | |
| sa.Column('token_count', sa.Integer(), nullable=False), | |
| sa.Column('embedding', pgvector.sqlalchemy.vector.VECTOR(dim=768), nullable=False), | |
| sa.Column('created_at', sa.DateTime(timezone=True), nullable=False), | |
| sa.ForeignKeyConstraint(['document_id'], ['documents.id'], ondelete='CASCADE'), | |
| sa.ForeignKeyConstraint(['hub_id'], ['hubs.id'], ondelete='CASCADE'), | |
| sa.ForeignKeyConstraint(['owner_id'], ['users.id'], ondelete='CASCADE'), | |
| sa.PrimaryKeyConstraint('id') | |
| ) | |
| op.create_index('uq_users_email_lower', 'users', [sa.text('lower(email)')], unique=True) | |
| # ### end Alembic commands ### | |
| def downgrade() -> None: | |
| """Downgrade schema.""" | |
| # ### commands auto generated by Alembic - please adjust! ### | |
| op.drop_table('chunks') | |
| op.drop_table('documents') | |
| op.drop_table('idempotency_keys') | |
| op.drop_table('hubs') | |
| op.drop_table('users') | |
| # ### end Alembic commands ### | |