Agent Zero
69 lines
2.1 KiB
Python
69 lines
2.1 KiB
Python
"""Create automation_agent_run_steps table for ReAct loop step tracking.
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Revision ID: 0121
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Revises: 0120
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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.postgresql import JSONB, UUID as PGUUID
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revision = "0121"
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down_revision = "0120"
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branch_labels = None
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depends_on = None
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def _table_exists(conn, table_name: str) -> bool:
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"""True when the table exists (dual-path convergence, Gate B).
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On a fresh install the automation plugin SQL migration has not run yet
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when Alembic reaches this revision — skip instead of failing. The
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plugin-side convergence migration creates the same table.
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"""
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row = conn.execute(
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sa.text("SELECT to_regclass(:tname) IS NOT NULL"),
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{"tname": f"public.{table_name}"},
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).scalar()
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return bool(row)
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def upgrade() -> None:
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conn = op.get_bind()
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if not _table_exists(conn, "automation_agent_runs"):
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return
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op.create_table(
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"automation_agent_run_steps",
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sa.Column("id", PGUUID(as_uuid=True), primary_key=True),
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sa.Column("tenant_id", PGUUID(as_uuid=True), nullable=False, index=True),
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sa.Column(
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"agent_run_id",
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PGUUID(as_uuid=True),
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sa.ForeignKey("automation_agent_runs.id", ondelete="CASCADE"),
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nullable=False,
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index=True,
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),
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sa.Column("step_number", sa.Integer, nullable=False),
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sa.Column("thought", sa.Text, nullable=True),
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sa.Column("action", sa.String(255), nullable=True),
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sa.Column("action_input", JSONB, nullable=True),
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sa.Column("observation", sa.Text, nullable=True),
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sa.Column("cost_usd", sa.Float, nullable=False, server_default="0.0"),
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sa.Column(
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"created_at",
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sa.DateTime(timezone=True),
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nullable=False,
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server_default=sa.func.now(),
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),
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)
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op.create_index(
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"ix_agent_run_steps_run",
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"automation_agent_run_steps",
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["tenant_id", "agent_run_id"],
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)
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def downgrade() -> None:
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op.drop_index("ix_agent_run_steps_run", table_name="automation_agent_run_steps")
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op.drop_table("automation_agent_run_steps")
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