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4da2b9f4e4
Extend the merged /buzz/v1 read-state wire with the minimum the follow model needs: - `follow` / `unfollow` intents on a thread target. An unfollow sticks until the actor posts in the thread or is mentioned there again. - `GET /me/threads`: followed threads in joined channels, newest reply arrival first, cursor-paged, at most 50 per page. - Thread rows count `mentions` as direct mentions only. - Broadcast replies count on the channel timeline and are valid channel anchors. - NIP-11 advertises `capabilities: ["follow","threads"]` and `max_threads`. Migration 0061 adds `events.read_timeline`, `thread_metadata.received_at` and `personal_read_frontiers.unfollowed`, plus arrival-ordered partial indexes so the sidebar and threads view probe an index per channel and per follow instead of scanning a bounded window. No backfill. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Signed-off-by: Bradley Axen <baxen@squareup.com>
34 lines
1.8 KiB
SQL
34 lines
1.8 KiB
SQL
-- ── Thread metadata ───────────────────────────────────────────────────────────
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-- Conformance: thread lookups filter by community before event matching.
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CREATE TABLE thread_metadata (
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community_id UUID NOT NULL REFERENCES communities(id),
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event_created_at TIMESTAMPTZ NOT NULL,
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event_id BYTEA NOT NULL,
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channel_id UUID NOT NULL,
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parent_event_id BYTEA,
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parent_event_created_at TIMESTAMPTZ,
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root_event_id BYTEA,
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root_event_created_at TIMESTAMPTZ,
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depth INT NOT NULL DEFAULT 0,
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reply_count INT NOT NULL DEFAULT 0,
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descendant_count INT NOT NULL DEFAULT 0,
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last_reply_at TIMESTAMPTZ,
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broadcast BOOLEAN NOT NULL DEFAULT FALSE,
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-- A reply's relay arrival; NULL on root stubs and rows before 0061.
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received_at TIMESTAMPTZ,
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PRIMARY KEY (community_id, event_created_at, event_id),
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FOREIGN KEY (community_id, channel_id) REFERENCES channels (community_id, id)
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);
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CREATE INDEX idx_thread_metadata_parent ON thread_metadata (community_id, parent_event_id);
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CREATE INDEX idx_thread_metadata_root ON thread_metadata (community_id, root_event_id);
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CREATE INDEX idx_thread_metadata_window
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ON thread_metadata (community_id, root_event_id, event_created_at DESC, event_id ASC);
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CREATE INDEX idx_thread_metadata_channel_depth
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ON thread_metadata (community_id, channel_id, depth, event_created_at);
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CREATE INDEX idx_thread_metadata_event_id ON thread_metadata (community_id, event_id);
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CREATE INDEX idx_thread_metadata_read_arrival
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ON thread_metadata (community_id, root_event_id, received_at DESC, event_id)
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WHERE received_at IS NOT NULL;
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