58 lines
1.4 KiB
Go
58 lines
1.4 KiB
Go
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package storage
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import (
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"database/sql"
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"github.com/matrix-org/dendrite/roomserver/types"
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)
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const roomsSchema = `
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CREATE SEQUENCE IF NOT EXISTS room_nid_seq;
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CREATE TABLE IF NOT EXISTS rooms (
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-- Local numeric ID for the room.
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room_nid BIGINT PRIMARY KEY DEFAULT nextval('room_nid_seq'),
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-- Textual ID for the room.
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room_id TEXT NOT NULL CONSTRAINT room_id_unique UNIQUE
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);
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`
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// Same as insertEventTypeNIDSQL
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const insertRoomNIDSQL = "" +
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"INSERT INTO rooms (room_id) VALUES ($1)" +
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" ON CONFLICT ON CONSTRAINT room_id_unique" +
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" DO UPDATE SET room_id = $1" +
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" RETURNING (room_nid)"
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const selectRoomNIDSQL = "" +
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"SELECT room_nid FROM rooms WHERE room_id = $1"
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type roomStatements struct {
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insertRoomNIDStmt *sql.Stmt
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selectRoomNIDStmt *sql.Stmt
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}
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func (s *roomStatements) prepare(db *sql.DB) (err error) {
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_, err = db.Exec(roomsSchema)
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if err != nil {
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return
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}
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if s.insertRoomNIDStmt, err = db.Prepare(insertRoomNIDSQL); err != nil {
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return
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}
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if s.selectRoomNIDStmt, err = db.Prepare(selectRoomNIDSQL); err != nil {
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return
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}
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return
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}
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func (s *roomStatements) insertRoomNID(roomID string) (types.RoomNID, error) {
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var roomNID int64
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err := s.insertRoomNIDStmt.QueryRow(roomID).Scan(&roomNID)
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return types.RoomNID(roomNID), err
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}
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func (s *roomStatements) selectRoomNID(roomID string) (types.RoomNID, error) {
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var roomNID int64
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err := s.selectRoomNIDStmt.QueryRow(roomID).Scan(&roomNID)
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return types.RoomNID(roomNID), err
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}
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