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64 lines
2.1 KiB
Python
64 lines
2.1 KiB
Python
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"""Create gateway_triggers table — records every dispatcher decision
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(spawn, queue, drop_stale, cooldown) for observability and tuning.
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Revision ID: 007_gateway_triggers_table
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Revises: 006_gateway_columns
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Create Date: 2026-05-01
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"""
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from __future__ import annotations
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import sqlalchemy as sa
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from alembic import op
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revision = "007_gateway_triggers_table"
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down_revision = "006_gateway_columns"
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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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"gateway_triggers",
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sa.Column("id", sa.UUID(as_uuid=True), primary_key=True),
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sa.Column("trigger_kind", sa.String(length=40), nullable=False),
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sa.Column("trigger_id", sa.String(length=80), nullable=True),
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sa.Column("task_id", sa.UUID(as_uuid=True), nullable=True),
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sa.Column("target_role", sa.String(length=40), nullable=False),
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sa.Column("decision", sa.String(length=20), nullable=False),
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sa.Column("decision_reason", sa.String(length=200), nullable=False),
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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("ix_gateway_triggers_task_id", "gateway_triggers", ["task_id"])
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op.create_index(
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"ix_gateway_triggers_created_at", "gateway_triggers", ["created_at"]
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)
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op.create_index(
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"ix_gateway_triggers_kind_decision",
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"gateway_triggers",
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["trigger_kind", "decision"],
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)
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op.create_foreign_key(
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"fk_gateway_triggers_task_id_tasks",
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"gateway_triggers",
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"tasks",
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["task_id"],
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["id"],
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ondelete="SET NULL",
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)
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def downgrade() -> None:
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op.drop_constraint(
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"fk_gateway_triggers_task_id_tasks", "gateway_triggers", type_="foreignkey"
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)
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op.drop_index("ix_gateway_triggers_kind_decision", table_name="gateway_triggers")
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op.drop_index("ix_gateway_triggers_created_at", table_name="gateway_triggers")
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op.drop_index("ix_gateway_triggers_task_id", table_name="gateway_triggers")
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op.drop_table("gateway_triggers")
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