50 lines
2.3 KiB
Python
50 lines
2.3 KiB
Python
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"""Add durable projections for native Pipecat background Jobs."""
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from alembic import op
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import sqlalchemy as sa
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from sqlalchemy.dialects import postgresql
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revision = "20261023_0026"
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down_revision = "20260907_0025"
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branch_labels = None
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depends_on = None
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def upgrade():
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op.drop_constraint("ck_tools_external_type", "tools", type_="check")
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op.create_check_constraint("ck_tools_external_type", "tools", "type IN ('http', 'mcp', 'client', 'task')")
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op.create_table(
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"background_tasks",
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sa.Column("id", sa.String(40), primary_key=True),
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sa.Column("assistant_id", sa.String(40), nullable=False),
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sa.Column("conversation_id", sa.String(80), nullable=False),
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sa.Column("tool_id", sa.String(40), nullable=False),
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sa.Column("instruction", sa.Text(), nullable=False),
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sa.Column("origin_key", sa.String(256), nullable=False, unique=True),
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*[sa.Column(name, postgresql.JSONB(), nullable=False) for name in ("connection", "secrets", "remote_handle", "input_request")],
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sa.Column("status", sa.String(32), nullable=False),
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sa.Column("summary", sa.Text(), nullable=False),
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sa.Column("result", sa.Text(), nullable=False),
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sa.Column("job_id", sa.String(80), nullable=False),
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sa.Column("sequence", sa.Integer(), nullable=False),
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sa.Column("created_at", sa.String(40), nullable=False),
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sa.Column("updated_at", sa.String(40), nullable=False),
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)
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for name in ("assistant_id", "conversation_id", "status"):
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op.create_index(f"ix_background_tasks_{name}", "background_tasks", [name])
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op.create_table(
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"background_task_events",
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sa.Column("id", sa.String(40), primary_key=True),
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sa.Column("task_id", sa.String(40), sa.ForeignKey("background_tasks.id", ondelete="CASCADE"), nullable=False),
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sa.Column("sequence", sa.Integer(), nullable=False),
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sa.Column("data", postgresql.JSONB(), nullable=False),
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sa.UniqueConstraint("task_id", "sequence"),
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)
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op.create_index("ix_background_task_events_task_id", "background_task_events", ["task_id"])
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def downgrade():
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op.drop_constraint("ck_tools_external_type", "tools", type_="check")
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op.create_check_constraint("ck_tools_external_type", "tools", "type IN ('http', 'mcp', 'client')")
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op.drop_table("background_task_events")
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op.drop_table("background_tasks")
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