mirror of
https://github.com/MeshCore-Beacon/beacon-server.git
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100 lines
3.3 KiB
Go
100 lines
3.3 KiB
Go
// Code generated by sqlc. DO NOT EDIT.
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// versions:
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// sqlc v1.31.1
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// source: signal.sql
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package db
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import (
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"context"
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"github.com/jackc/pgx/v5/pgtype"
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)
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const getSignalStats = `-- name: GetSignalStats :many
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WITH readings AS (
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SELECT iata, hour, kind, snr_bin, rssi_bin, receptions, snr_samples, snr_sum, rssi_samples, rssi_sum FROM mv_signal_stats_hourly
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WHERE hour >= $1::timestamptz AND hour < $2::timestamptz
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AND COALESCE(cardinality($3::bpchar[]), 0) = 0
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UNION ALL
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SELECT iata, hour, kind, snr_bin, rssi_bin, receptions, snr_samples, snr_sum, rssi_samples, rssi_sum FROM mv_signal_stats_hourly
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WHERE hour >= $1::timestamptz AND hour < $2::timestamptz
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AND cardinality($3::bpchar[]) > 0 AND iata = ANY($3::bpchar[])
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)
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SELECT (3 + 4 * grouping(hour))::integer AS kind,
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COALESCE(hour, 'epoch'::timestamptz)::timestamptz AS hour,
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-1::integer AS snr_bin, -1::integer AS rssi_bin,
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COALESCE(sum(receptions), 0)::bigint AS receptions,
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COALESCE(sum(snr_samples), 0)::bigint AS snr_samples,
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COALESCE(sum(snr_sum) / NULLIF(sum(snr_samples), 0), 0)::double precision AS snr_average,
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COALESCE(sum(rssi_samples), 0)::bigint AS rssi_samples,
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COALESCE(sum(rssi_sum) / NULLIF(sum(rssi_samples), 0), 0)::double precision AS rssi_average
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FROM readings WHERE kind = 3
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GROUP BY GROUPING SETS ((), (hour))
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UNION ALL
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SELECT (kind + 4)::integer, 'epoch'::timestamptz, snr_bin, rssi_bin,
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sum(receptions)::bigint, 0::bigint, 0::double precision, 0::bigint, 0::double precision
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FROM readings WHERE kind IN (1, 2)
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GROUP BY kind, snr_bin, rssi_bin
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ORDER BY kind, hour, snr_bin, rssi_bin
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`
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type GetSignalStatsParams struct {
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Since pgtype.Timestamptz `json:"since"`
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Until pgtype.Timestamptz `json:"until"`
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Iatas []string `json:"iatas"`
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}
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type GetSignalStatsRow struct {
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Kind int32 `json:"kind"`
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Hour pgtype.Timestamptz `json:"hour"`
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SnrBin int32 `json:"snr_bin"`
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RssiBin int32 `json:"rssi_bin"`
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Receptions int64 `json:"receptions"`
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SnrSamples int64 `json:"snr_samples"`
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SnrAverage float64 `json:"snr_average"`
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RssiSamples int64 `json:"rssi_samples"`
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RssiAverage float64 `json:"rssi_average"`
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}
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// Read compact hourly snapshots, never observations on an HTTP request.
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// Weight averages by sample counts instead of averaging regional/hourly means.
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func (q *Queries) GetSignalStats(ctx context.Context, arg GetSignalStatsParams) ([]GetSignalStatsRow, error) {
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rows, err := q.db.Query(ctx, getSignalStats, arg.Since, arg.Until, arg.Iatas)
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if err != nil {
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return nil, err
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}
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defer rows.Close()
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items := []GetSignalStatsRow{}
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for rows.Next() {
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var i GetSignalStatsRow
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if err := rows.Scan(
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&i.Kind,
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&i.Hour,
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&i.SnrBin,
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&i.RssiBin,
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&i.Receptions,
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&i.SnrSamples,
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&i.SnrAverage,
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&i.RssiSamples,
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&i.RssiAverage,
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); err != nil {
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return nil, err
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}
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items = append(items, i)
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}
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if err := rows.Err(); err != nil {
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return nil, err
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}
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return items, nil
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}
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const refreshSignalStats = `-- name: RefreshSignalStats :exec
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REFRESH MATERIALIZED VIEW CONCURRENTLY mv_signal_stats_hourly
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`
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func (q *Queries) RefreshSignalStats(ctx context.Context) error {
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_, err := q.db.Exec(ctx, refreshSignalStats)
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return err
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}
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