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Posted to commits@druid.apache.org by GitBox <gi...@apache.org> on 2019/06/12 18:37:19 UTC
[GitHub] [incubator-druid] jihoonson commented on a change in pull request
#7863: Added the web console to the quickstart tutorials and docs
jihoonson commented on a change in pull request #7863: Added the web console to the quickstart tutorials and docs
URL: https://github.com/apache/incubator-druid/pull/7863#discussion_r293060040
##########
File path: docs/content/tutorials/tutorial-query.md
##########
@@ -167,119 +156,51 @@ The following results should be returned:
]
```
-### dsql client
+### More Druid SQL examples
-For convenience, the Druid package includes a SQL command-line client, located at `bin/dsql` from the Druid package root.
+Here is a collection of queries to try out:
-Let's now run `bin/dsql`; you should see the following prompt:
+#### Query over time
-```bash
-Welcome to dsql, the command-line client for Druid SQL.
-Type "\h" for help.
-dsql>
```
-
-To submit the query, paste it to the `dsql` prompt and press enter:
-
-```bash
-dsql> SELECT page, COUNT(*) AS Edits FROM wikipedia WHERE "__time" BETWEEN TIMESTAMP '2015-09-12 00:00:00' AND TIMESTAMP '2015-09-13 00:00:00' GROUP BY page ORDER BY Edits DESC LIMIT 10;
-┌──────────────────────────────────────────────────────────┬───────┐
-│ page │ Edits │
-├──────────────────────────────────────────────────────────┼───────┤
-│ Wikipedia:Vandalismusmeldung │ 33 │
-│ User:Cyde/List of candidates for speedy deletion/Subpage │ 28 │
-│ Jeremy Corbyn │ 27 │
-│ Wikipedia:Administrators' noticeboard/Incidents │ 21 │
-│ Flavia Pennetta │ 20 │
-│ Total Drama Presents: The Ridonculous Race │ 18 │
-│ User talk:Dudeperson176123 │ 18 │
-│ Wikipédia:Le Bistro/12 septembre 2015 │ 18 │
-│ Wikipedia:In the news/Candidates │ 17 │
-│ Wikipedia:Requests for page protection │ 17 │
-└──────────────────────────────────────────────────────────┴───────┘
-Retrieved 10 rows in 0.06s.
+SELECT FLOOR(__time to HOUR) AS HourTime, SUM(deleted) AS LinesDeleted
+FROM wikipedia WHERE "__time" BETWEEN TIMESTAMP '2015-09-12 00:00:00' AND TIMESTAMP '2015-09-13 00:00:00'
+GROUP BY 1
```
-### Additional Druid SQL queries
+
-#### Timeseries
+#### General group by
-`SELECT FLOOR(__time to HOUR) AS HourTime, SUM(deleted) AS LinesDeleted FROM wikipedia WHERE "__time" BETWEEN TIMESTAMP '2015-09-12 00:00:00' AND TIMESTAMP '2015-09-13 00:00:00' GROUP BY FLOOR(__time to HOUR);`
-
-```bash
-dsql> SELECT FLOOR(__time to HOUR) AS HourTime, SUM(deleted) AS LinesDeleted FROM wikipedia WHERE "__time" BETWEEN TIMESTAMP '2015-09-12 00:00:00' AND TIMESTAMP '2015-09-13 00:00:00' GROUP BY FLOOR(__time to HOUR);
-┌──────────────────────────┬──────────────┐
-│ HourTime │ LinesDeleted │
-├──────────────────────────┼──────────────┤
-│ 2015-09-12T00:00:00.000Z │ 1761 │
-│ 2015-09-12T01:00:00.000Z │ 16208 │
-│ 2015-09-12T02:00:00.000Z │ 14543 │
-│ 2015-09-12T03:00:00.000Z │ 13101 │
-│ 2015-09-12T04:00:00.000Z │ 12040 │
-│ 2015-09-12T05:00:00.000Z │ 6399 │
-│ 2015-09-12T06:00:00.000Z │ 9036 │
-│ 2015-09-12T07:00:00.000Z │ 11409 │
-│ 2015-09-12T08:00:00.000Z │ 11616 │
-│ 2015-09-12T09:00:00.000Z │ 17509 │
-│ 2015-09-12T10:00:00.000Z │ 19406 │
-│ 2015-09-12T11:00:00.000Z │ 16284 │
-│ 2015-09-12T12:00:00.000Z │ 18672 │
-│ 2015-09-12T13:00:00.000Z │ 30520 │
-│ 2015-09-12T14:00:00.000Z │ 18025 │
-│ 2015-09-12T15:00:00.000Z │ 26399 │
-│ 2015-09-12T16:00:00.000Z │ 24759 │
-│ 2015-09-12T17:00:00.000Z │ 19634 │
-│ 2015-09-12T18:00:00.000Z │ 17345 │
-│ 2015-09-12T19:00:00.000Z │ 19305 │
-│ 2015-09-12T20:00:00.000Z │ 22265 │
-│ 2015-09-12T21:00:00.000Z │ 16394 │
-│ 2015-09-12T22:00:00.000Z │ 16379 │
-│ 2015-09-12T23:00:00.000Z │ 15289 │
-└──────────────────────────┴──────────────┘
-Retrieved 24 rows in 0.08s.
+```
+SELECT channel, page, SUM(added)
+FROM wikipedia WHERE "__time" BETWEEN TIMESTAMP '2015-09-12 00:00:00' AND TIMESTAMP '2015-09-13 00:00:00'
+GROUP BY channel, page
+ORDER BY SUM(added) DESC
```
-#### GroupBy
+
-`SELECT channel, SUM(added) FROM wikipedia WHERE "__time" BETWEEN TIMESTAMP '2015-09-12 00:00:00' AND TIMESTAMP '2015-09-13 00:00:00' GROUP BY channel ORDER BY SUM(added) DESC LIMIT 5;`
+#### Select raw data
-```bash
-dsql> SELECT channel, SUM(added) FROM wikipedia WHERE "__time" BETWEEN TIMESTAMP '2015-09-12 00:00:00' AND TIMESTAMP '2015-09-13 00:00:00' GROUP BY channel ORDER BY SUM(added) DESC LIMIT 5;
-┌───────────────┬─────────┐
-│ channel │ EXPR$1 │
-├───────────────┼─────────┤
-│ #en.wikipedia │ 3045299 │
-│ #it.wikipedia │ 711011 │
-│ #fr.wikipedia │ 642555 │
-│ #ru.wikipedia │ 640698 │
-│ #es.wikipedia │ 634670 │
-└───────────────┴─────────┘
-Retrieved 5 rows in 0.05s.
+```
Review comment:
nit: you can enable sql syntax with ` ```sql`
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