49 lines
1.9 KiB
Python
49 lines
1.9 KiB
Python
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"""Add agent_messages table for inter-agent coordination
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Revision ID: f3a4b5c6d7e8
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Revises: e2f3a4b5c6d7
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Create Date: 2026-03-16 00:00:00.000000
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"""
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from typing import Sequence, Union
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import sqlalchemy as sa
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from alembic import op
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from sqlalchemy.dialects.postgresql import UUID
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revision: str = "f3a4b5c6d7e8"
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down_revision: Union[str, None] = "e2f3a4b5c6d7"
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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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"agent_messages",
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sa.Column("id", UUID(as_uuid=True), primary_key=True,
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server_default=sa.text("gen_random_uuid()")),
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sa.Column("from_agent", sa.String(100), nullable=False),
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sa.Column("to_agent", sa.String(100), nullable=False),
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sa.Column("subject", sa.String(500), nullable=False),
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sa.Column("body", sa.Text, nullable=False),
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sa.Column("thread_id", UUID(as_uuid=True),
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sa.ForeignKey("agent_messages.id", ondelete="SET NULL"),
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nullable=True),
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sa.Column("read_at", sa.DateTime(timezone=True), nullable=True),
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sa.Column("archived_at", sa.DateTime(timezone=True), nullable=True),
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sa.Column("created_at", sa.DateTime(timezone=True),
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server_default=sa.text("now()"), nullable=False),
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)
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op.create_index("ix_agent_messages_to_agent_read_at",
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"agent_messages", ["to_agent", "read_at"])
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op.create_index("ix_agent_messages_thread_id",
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"agent_messages", ["thread_id"])
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op.create_index("ix_agent_messages_created_at",
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"agent_messages", ["created_at"])
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def downgrade() -> None:
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op.drop_index("ix_agent_messages_created_at", "agent_messages")
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op.drop_index("ix_agent_messages_thread_id", "agent_messages")
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op.drop_index("ix_agent_messages_to_agent_read_at", "agent_messages")
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op.drop_table("agent_messages")
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