mirror of
https://github.com/rennf93/roboco.git
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49 lines
1.4 KiB
Python
49 lines
1.4 KiB
Python
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"""Observability rework tracking: tasks.revision_count + audit_log query index.
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``tasks.revision_count`` makes the per-task rework rate an O(1) column read
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instead of an audit_log scan; the composite index on
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``audit_log(target_id, event_type, timestamp)`` keeps the cycle-time and rework
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reconstruction queries fast. Pure schema change, no backfill — existing rows
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default to 0 (the counter is forward-only, matching the design's forward-only
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rework attribution).
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Revision ID: 045_observability_rework
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Revises: 044_convention_findings
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Create Date: 2026-06-23
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NOTE: revision id is 24 chars — alembic's ``alembic_version.version_num`` is
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``VARCHAR(32)`` and a longer id raises at record time.
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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 = "045_observability_rework"
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down_revision = "044_convention_findings"
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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.add_column(
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"tasks",
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sa.Column(
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"revision_count",
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sa.Integer(),
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nullable=False,
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server_default="0",
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),
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)
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op.create_index(
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"ix_audit_log_target_event_ts",
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"audit_log",
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["target_id", "event_type", "timestamp"],
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)
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def downgrade() -> None:
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op.drop_index("ix_audit_log_target_event_ts", table_name="audit_log")
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op.drop_column("tasks", "revision_count")
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