Fix ndt7_union and traceroute query

src/content/articles/byos-overview.md

@@ -80,7 +80,7 @@ Measurements from BYOS nodes flow through M-Lab's standard data pipeline:
 ```sql
 -- Query a specific site-id for BYOS test data
 SELECT a.TestTime, a.MeanThroughputMbps, client.Network.ASName
-FROM `measurement-lab.ndt.ndt7`
+FROM `measurement-lab.ndt.ndt7_union`
 WHERE server.Site = 'your-site-id'
   AND date >= DATE_SUB(CURRENT_DATE(), INTERVAL 7 DAY)
 ORDER BY a.TestTime DESC

src/content/articles/core-service-tcp-info.md

@@ -55,7 +55,7 @@ SELECT
   ndt.client.Geo.CountryCode,
   tcpinfo.a.FinalSnapshot.tcpinfo.MinRTT,
   tcpinfo.a.FinalSnapshot.tcpinfo.SndCwnd
-FROM `measurement-lab.ndt.ndt7` AS ndt
+FROM `measurement-lab.ndt.ndt7_union` AS ndt
 JOIN `measurement-lab.ndt.tcpinfo` AS tcpinfo
   ON ndt.id = tcpinfo.id
 WHERE ndt.date = '2024-06-01' and tcpinfo.date = '2024-06-01'

src/content/articles/core-service-traceroute.md

@@ -78,7 +78,7 @@ SELECT
   ndt.a.MeanThroughputMbps,
   ndt.client.Geo.CountryCode,
   tr.raw.Tracelb.Dst AS traceroute_destination
-FROM `measurement-lab.ndt.ndt7` AS ndt
+FROM `measurement-lab.ndt.ndt7_union` AS ndt
 JOIN `measurement-lab.ndt_raw.scamper1` AS tr
   ON ndt.id = tr.id
 WHERE ndt.date = '2024-06-01' and tr.date = '2024-06-01'
@@ -90,17 +90,18 @@ WHERE ndt.date = '2024-06-01' and tr.date = '2024-06-01'
 ```sql
 -- Extract individual hops
 SELECT
-  a.StartTime,
-  a.Source.IP   AS server_ip,
-  a.Destination AS client_ip,
-  hop.Addr      AS hop_ip,
-  hop.TTL,
-  rtt.RTT       AS hop_rtt_ms
+  TIMESTAMP_SECONDS(raw.Tracelb.start.Sec) AS start_time,
+  raw.Tracelb.src AS server_ip,
+  raw.Tracelb.dst AS client_ip,
+  hop.addr        AS hop_ip,
+  probe.TTL,
+  rtt.RTT         AS hop_rtt_ms
 FROM `measurement-lab.ndt_raw.scamper1`,
-  UNNEST(raw.Tracelb.Nodes) AS hop,
-  UNNEST(raw.Tracelb.nodes.Links) AS link,
-  UNNEST(link.links.Probes) AS probe,
-  UNNEST(link.links.Probes.Replies) AS rtt
+  UNNEST(raw.Tracelb.nodes) AS hop,
+  UNNEST(hop.links) AS linkgroup,
+  UNNEST(linkgroup.Links) AS link,
+  UNNEST(link.Probes) AS probe,
+  UNNEST(probe.Replies) AS rtt
 WHERE date = '2024-01-15'
 LIMIT 100
 ```

src/content/articles/getting-started-bigquery.md

@@ -65,7 +65,7 @@ SELECT
   client.Geo.CountryCode                     AS country,
   ROUND(AVG(a.MeanThroughputMbps), 2)       AS avg_download_mbps,
   COUNT(*)                                   AS test_count
-FROM `measurement-lab.ndt.ndt7`
+FROM `measurement-lab.ndt.ndt7_union`
 WHERE date >= DATE_SUB(CURRENT_DATE(), INTERVAL 30 DAY)
   AND a.MeanThroughputMbps > 0
   AND a.MeanThroughputMbps < 10000   -- exclude outliers
@@ -142,7 +142,7 @@ EXPORT DATA
   )
 AS (
   SELECT a.TestTime, a.MeanThroughputMbps, client.Geo.CountryCode
-  FROM `measurement-lab.ndt.ndt7`
+  FROM `measurement-lab.ndt.ndt7_union`
   WHERE date = '2024-06-01'
 );
 ```

src/content/articles/getting-started-isp-ixp.md

@@ -37,7 +37,7 @@ SELECT
   ROUND(APPROX_QUANTILES(a.MeanThroughputMbps, 100)[OFFSET(50)], 2) AS median_download_mbps,
   ROUND(APPROX_QUANTILES(a.MinRTT, 100)[OFFSET(50)], 2)             AS median_rtt_ms,
   COUNT(*) AS test_count
-FROM `measurement-lab.ndt.ndt7`
+FROM `measurement-lab.ndt.ndt7_union`
 WHERE date >= DATE_SUB(CURRENT_DATE(), INTERVAL 30 DAY)
   AND client.Network.ASNumber = 12345
   AND a.MeanThroughputMbps > 0

src/content/articles/internet-quality-beyond-speed.md

@@ -37,7 +37,7 @@ In M-Lab NDT7 data:
 SELECT
   a.MinRTT,         -- best-case (unloaded) latency in ms
   a.MeanThroughputMbps
-FROM `measurement-lab.ndt.ndt7`
+FROM `measurement-lab.ndt.ndt7_union`
 WHERE date = '2024-06-01'
 ```
 

src/content/articles/research-guide.md

@@ -55,7 +55,7 @@ SELECT
   ROUND(APPROX_QUANTILES(a.MinRTT, 100)[OFFSET(50)], 2)
                                                   AS median_rtt_ms,
   COUNT(*)                                        AS test_count
-FROM `measurement-lab.ndt.ndt7`
+FROM `measurement-lab.ndt.ndt7_union`
 WHERE date BETWEEN '2024-01-01' AND '2024-03-31'
   AND client.Geo.CountryCode = 'US'
   AND a.MeanThroughputMbps > 0
@@ -73,7 +73,7 @@ SELECT
   client.Geo.Region       AS region,
   COUNT(*)                AS test_count,
   ROUND(AVG(a.MeanThroughputMbps), 2) AS avg_mbps
-FROM `measurement-lab.ndt.ndt7`
+FROM `measurement-lab.ndt.ndt7_union`
 WHERE date BETWEEN '2024-01-01' AND '2024-12-31'
   AND client.Geo.CountryCode = 'US'
 GROUP BY region
@@ -89,7 +89,7 @@ SELECT
   DATE_TRUNC(DATE(a.TestTime), MONTH)            AS month,
   ROUND(APPROX_QUANTILES(a.MeanThroughputMbps, 100)[OFFSET(50)], 2)
                                                   AS median_mbps
-FROM `measurement-lab.ndt.ndt7`
+FROM `measurement-lab.ndt.ndt7_union`
 WHERE date BETWEEN '2020-01-01' AND '2024-12-31'
   AND client.Network.ASNumber = 7922            -- Comcast as example
   AND a.MeanThroughputMbps > 0

src/content/articles/test-ndt.md

@@ -98,7 +98,7 @@ SELECT
   client.Geo.CountryCode AS country,
   ROUND(AVG(a.MeanThroughputMbps), 2) AS avg_download_mbps,
   COUNT(*) AS test_count
-FROM `measurement-lab.ndt.ndt7`
+FROM `measurement-lab.ndt.ndt7_union`
 WHERE date >= DATE_SUB(CURRENT_DATE(), INTERVAL 30 DAY)
   AND a.MeanThroughputMbps > 0
   AND a.MeanThroughputMbps < 10000
@@ -120,7 +120,7 @@ SELECT
   client.Geo.Region,
   client.Network.ASNumber,
   client.Network.ASName
-FROM `measurement-lab.ndt.ndt7`
+FROM `measurement-lab.ndt.ndt7_union`
 WHERE date = '2024-01-01'
   AND a.MeanThroughputMbps > 0
 ```

src/content/articles/test-reverse-traceroute.md

@@ -78,7 +78,7 @@ The primary table is `measurement-lab.revtr_raw.revtr1`. Additional supporting t
 
 <!-- sqltest -->
 ```sql
--- High quality reveres paths only
+-- High quality reverse paths only
 SELECT date, raw
 FROM `measurement-lab.revtr_raw.revtr1`
 WHERE DATE(date) = '2024-06-01'