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Devin Zuczek
36 lines
1.9 KiB
SQL
36 lines
1.9 KiB
SQL
-- Room comments — the notes a player leaves pinned in a room's scene, which everyone
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-- standing in that subroom sees floating at the position they were dropped. Generated from
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-- packages/domain/src/room-comments-db.ts (ROOM_COMMENT_SCHEMA_DDL) — keep in sync.
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--
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-- Columns rather than a JSON blob (the `club_announcement` pattern rather than the
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-- `room`/`club` one): a comment is six scalars and a point, none of it a client-shaped
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-- document that has to survive round-tripping, and the room/subroom pair has to be
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-- queryable.
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-- `comment_id` is an ordinary autoincrement integer, and it is the CURSOR the read endpoint
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-- pages on (`GET /comments/get/:roomId?minId=`), so it has to be monotonic per insert.
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-- AUTOINCREMENT rather than a bare rowid alias for exactly that reason: a deleted comment's
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-- id must never be handed out again, or a client polling with `minId` would skip the
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-- comment that reused it.
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--
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-- The position is three REALs, not the strings the form body carries. The client posts a
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-- C# float's shortest round-trip text (`positionX=-0.4979804`) but reads the response back
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-- as a NUMBER — `"PositionX": "1.5"` fails its parser — and a float64 holds those 7-9
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-- significant digits exactly, so the text that arrives is the text that goes back out.
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CREATE TABLE IF NOT EXISTS room_comment (
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comment_id INTEGER PRIMARY KEY AUTOINCREMENT,
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room_id INTEGER NOT NULL,
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subroom_id INTEGER NOT NULL,
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player_id INTEGER NOT NULL,
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style INTEGER NOT NULL DEFAULT 0,
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message TEXT NOT NULL DEFAULT '',
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position_x REAL NOT NULL DEFAULT 0,
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position_y REAL NOT NULL DEFAULT 0,
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position_z REAL NOT NULL DEFAULT 0,
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created_at TEXT NOT NULL
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);
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-- The read is always "this room, newer than this id, newest first" — one index covers the
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-- filter and the ordering together.
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CREATE INDEX IF NOT EXISTS idx_room_comment_room ON room_comment (room_id, comment_id);
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