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FabledGrimoire/alembic/versions/0048_conversation_last_curator_run.py
bvandeusenandClaude Opus 5.5 79655fd19f
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docs(6207): the remaining migrations state their rationale in terms of the data
Record, milestone, phase and plan citations go from every migration header;
the "end before start" fix (0043) and the suppressed-count column (0095)
state the condition they prevent rather than the incident. 0053 and 0055
pointed at design specs under docs/superpowers that are not in the repo;
those pointers are removed.

Kept: alembic's generated "Create Date:" headers (template metadata, not
rationale), 0121's ARM_BORN justification beside the constant, and 0051's
illustrative "update task 42" format example.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
2026-10-21 20:49:32 -04:00

48 lines
1.3 KiB
Python

"""conversations.last_curator_run_at — tracks scheduler progress per-conversation
Revision ID: 0048
Revises: 0047
Create Date: 2026-05-22
Part of the conversation+curator architecture. The
scheduler runs every 15 minutes and processes any journal conversation
with messages newer than its `last_curator_run_at` timestamp. NULL
means "never run; process all of today on first sweep."
"""
from alembic import op
import sqlalchemy as sa
revision = "0048"
down_revision = "0047"
branch_labels = None
depends_on = None
def upgrade() -> None:
op.add_column(
"conversations",
sa.Column(
"last_curator_run_at",
sa.DateTime(timezone=True),
nullable=True,
),
)
# Indexed because the scheduler's selection query is
# WHERE conversation_type='journal' AND (last_curator_run_at IS NULL OR ...)
# which benefits from a partial index narrowed to journal rows.
op.create_index(
"ix_conversations_journal_last_curator",
"conversations",
["last_curator_run_at"],
postgresql_where=sa.text("conversation_type = 'journal'"),
)
def downgrade() -> None:
op.drop_index(
"ix_conversations_journal_last_curator",
table_name="conversations",
)
op.drop_column("conversations", "last_curator_run_at")