47 lines
2.1 KiB
Python
47 lines
2.1 KiB
Python
"""add ai_chat_sessions table
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Revision ID: e2d81e82ea5e
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Revises: 1490781700bc
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Create Date: 2026-02-27 03:41:33.832260
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"""
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from typing import Sequence, Union
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from alembic import op
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import sqlalchemy as sa
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from sqlalchemy.dialects.postgresql import UUID, JSONB
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# revision identifiers, used by Alembic.
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revision: str = 'e2d81e82ea5e'
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down_revision: Union[str, None] = '1490781700bc'
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branch_labels: Union[str, Sequence[str], None] = None
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depends_on: Union[str, Sequence[str], None] = None
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def upgrade() -> None:
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op.create_table(
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"ai_chat_sessions",
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sa.Column("id", UUID(as_uuid=True), primary_key=True),
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sa.Column("user_id", UUID(as_uuid=True), sa.ForeignKey("users.id", ondelete="CASCADE"), nullable=False, index=True),
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sa.Column("account_id", UUID(as_uuid=True), sa.ForeignKey("accounts.id", ondelete="CASCADE"), nullable=False, index=True),
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sa.Column("status", sa.String(20), nullable=False, server_default="active"),
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sa.Column("current_phase", sa.String(20), nullable=False, server_default="scoping"),
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sa.Column("flow_type", sa.String(20), nullable=False),
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sa.Column("conversation_history", JSONB, nullable=False, server_default="[]"),
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sa.Column("working_tree", JSONB, nullable=True),
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sa.Column("tree_metadata", JSONB, nullable=False, server_default="{}"),
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sa.Column("provider_used", sa.String(20), nullable=True),
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sa.Column("message_count", sa.Integer, nullable=False, server_default="0"),
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sa.Column("total_input_tokens", sa.Integer, nullable=False, server_default="0"),
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sa.Column("total_output_tokens", sa.Integer, nullable=False, server_default="0"),
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sa.Column("generated_tree_id", UUID(as_uuid=True), sa.ForeignKey("trees.id", ondelete="SET NULL"), nullable=True),
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sa.Column("expires_at", sa.DateTime(timezone=True), nullable=False),
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sa.Column("created_at", sa.DateTime(timezone=True), server_default=sa.func.now()),
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sa.Column("updated_at", sa.DateTime(timezone=True), server_default=sa.func.now()),
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)
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def downgrade() -> None:
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op.drop_table("ai_chat_sessions")
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