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Doc. ontime.md refresh to сorrespond modern CH (modern create/join) #9709

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Mar 17, 2020
Merged

Doc. ontime.md refresh to сorrespond modern CH (modern create/join) #9709

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6335c20
ontime.md refresh to сorrespond modern CH
den-crane Mar 17, 2020
2fd070d
RU ontime.md refresh to сorrespond modern CH
den-crane Mar 17, 2020
210081b
ontime.md FA refresh to сorrespond modern CH
den-crane Mar 17, 2020
84fa42c
ontime.md ZH refresh to сorrespond modern CH
den-crane Mar 17, 2020
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17 changes: 10 additions & 7 deletions docs/en/getting_started/example_datasets/ontime.md
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -135,7 +135,10 @@ CREATE TABLE `ontime` (
`Div5LongestGTime` String,
`Div5WheelsOff` String,
`Div5TailNum` String
) ENGINE = MergeTree(FlightDate, (Year, FlightDate), 8192)
) ENGINE = MergeTree
PARTITION BY Year
ORDER BY (Carrier, FlightDate)
SETTINGS index_granularity = 8192;
```

Loading data:
Expand Down Expand Up @@ -227,7 +230,7 @@ FROM
AND Year=2007
GROUP BY Carrier
)
ANY INNER JOIN
JOIN
(
SELECT
Carrier,
Expand All @@ -246,7 +249,7 @@ SELECT Carrier, avg(DepDelay>10)*100 AS c3
FROM ontime
WHERE Year=2007
GROUP BY Carrier
ORDER BY Carrier
ORDER BY c3 DESC
```

Q6. The previous request for a broader range of years, 2000-2008
Expand All @@ -263,7 +266,7 @@ FROM
AND Year>=2000 AND Year<=2008
GROUP BY Carrier
)
ANY INNER JOIN
JOIN
(
SELECT
Carrier,
Expand All @@ -282,7 +285,7 @@ SELECT Carrier, avg(DepDelay>10)*100 AS c3
FROM ontime
WHERE Year>=2000 AND Year<=2008
GROUP BY Carrier
ORDER BY Carrier;
ORDER BY c3 DESC;
```

Q7. Percentage of flights delayed for more than 10 minutes, by year
Expand All @@ -298,7 +301,7 @@ FROM
WHERE DepDelay>10
GROUP BY Year
)
ANY INNER JOIN
JOIN
(
select
Year,
Expand All @@ -312,7 +315,7 @@ ORDER BY Year;
Better version of the same query:

```sql
SELECT Year, avg(DepDelay>10)
SELECT Year, avg(DepDelay>10)*100
FROM ontime
GROUP BY Year
ORDER BY Year;
Expand Down
17 changes: 10 additions & 7 deletions docs/fa/getting_started/example_datasets/ontime.md
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -136,7 +136,10 @@ CREATE TABLE `ontime` (
`Div5LongestGTime` String,
`Div5WheelsOff` String,
`Div5TailNum` String
) ENGINE = MergeTree(FlightDate, (Year, FlightDate), 8192)
) ENGINE = MergeTree
PARTITION BY Year
ORDER BY (Carrier, FlightDate)
SETTINGS index_granularity = 8192;
```

<div dir="rtl" markdown="1">
Expand Down Expand Up @@ -218,7 +221,7 @@ FROM
AND Year=2007
GROUP BY Carrier
)
ANY INNER JOIN
JOIN
(
SELECT
Carrier,
Expand All @@ -237,7 +240,7 @@ ORDER BY c3 DESC;
</div>

``` sql
SELECT Carrier, avg(DepDelay > 10) * 100 AS c3 FROM ontime WHERE Year = 2007 GROUP BY Carrier ORDER BY Carrier
SELECT Carrier, avg(DepDelay > 10) * 100 AS c3 FROM ontime WHERE Year = 2007 GROUP BY Carrier ORDER BY c3 DESC
```

<div dir="rtl" markdown="1">
Expand All @@ -258,7 +261,7 @@ FROM
AND Year >= 2000 AND Year <= 2008
GROUP BY Carrier
)
ANY INNER JOIN
JOIN
(
SELECT
Carrier,
Expand All @@ -277,7 +280,7 @@ ORDER BY c3 DESC;
</div>

``` sql
SELECT Carrier, avg(DepDelay > 10) * 100 AS c3 FROM ontime WHERE Year >= 2000 AND Year <= 2008 GROUP BY Carrier ORDER BY Carrier
SELECT Carrier, avg(DepDelay > 10) * 100 AS c3 FROM ontime WHERE Year >= 2000 AND Year <= 2008 GROUP BY Carrier ORDER BY c3 DESC
```

<div dir="rtl" markdown="1">
Expand All @@ -297,7 +300,7 @@ FROM
WHERE DepDelay>10
GROUP BY Year
)
ANY INNER JOIN
JOIN
(
select
Year,
Expand All @@ -315,7 +318,7 @@ ORDER BY Year
</div>

``` sql
SELECT Year, avg(DepDelay > 10) FROM ontime GROUP BY Year ORDER BY Year
SELECT Year, avg(DepDelay > 10)*100 FROM ontime GROUP BY Year ORDER BY Year
```

<div dir="rtl" markdown="1">
Expand Down
17 changes: 10 additions & 7 deletions docs/ru/getting_started/example_datasets/ontime.md
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -132,7 +132,10 @@ CREATE TABLE `ontime` (
`Div5LongestGTime` String,
`Div5WheelsOff` String,
`Div5TailNum` String
) ENGINE = MergeTree(FlightDate, (Year, FlightDate), 8192)
) ENGINE = MergeTree
PARTITION BY Year
ORDER BY (Carrier, FlightDate)
SETTINGS index_granularity = 8192;
```

Загрузка данных:
Expand Down Expand Up @@ -224,7 +227,7 @@ FROM
AND Year=2007
GROUP BY Carrier
)
ANY INNER JOIN
JOIN
(
SELECT
Carrier,
Expand All @@ -243,7 +246,7 @@ SELECT Carrier, avg(DepDelay>10)*100 AS c3
FROM ontime
WHERE Year=2007
GROUP BY Carrier
ORDER BY Carrier
ORDER BY c3 DESC
```

Q6. Предыдущий запрос за более широкий диапазон лет, 2000-2008
Expand All @@ -260,7 +263,7 @@ FROM
AND Year>=2000 AND Year<=2008
GROUP BY Carrier
)
ANY INNER JOIN
JOIN
(
SELECT
Carrier,
Expand All @@ -279,7 +282,7 @@ SELECT Carrier, avg(DepDelay>10)*100 AS c3
FROM ontime
WHERE Year>=2000 AND Year<=2008
GROUP BY Carrier
ORDER BY Carrier;
ORDER BY c3 DESC;
```

Q7. Процент полетов, задержанных на более 10 минут, в разбивке по годам
Expand All @@ -295,7 +298,7 @@ FROM
WHERE DepDelay>10
GROUP BY Year
)
ANY INNER JOIN
JOIN
(
select
Year,
Expand All @@ -309,7 +312,7 @@ ORDER BY Year;
Более оптимальная версия того же запроса:

```sql
SELECT Year, avg(DepDelay>10)
SELECT Year, avg(DepDelay>10)*100
FROM ontime
GROUP BY Year
ORDER BY Year;
Expand Down
17 changes: 10 additions & 7 deletions docs/zh/getting_started/example_datasets/ontime.md
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -135,7 +135,10 @@ CREATE TABLE `ontime` (
`Div5LongestGTime` String,
`Div5WheelsOff` String,
`Div5TailNum` String
) ENGINE = MergeTree(FlightDate, (Year, FlightDate), 8192)
) ENGINE = MergeTree
PARTITION BY Year
ORDER BY (Carrier, FlightDate)
SETTINGS index_granularity = 8192;
```

加载数据：
Expand Down Expand Up @@ -226,7 +229,7 @@ FROM
AND Year=2007
GROUP BY Carrier
)
ANY INNER JOIN
JOIN
(
SELECT
Carrier,
Expand All @@ -245,7 +248,7 @@ SELECT Carrier, avg(DepDelay>10)*100 AS c3
FROM ontime
WHERE Year=2007
GROUP BY Carrier
ORDER BY Carrier
ORDER BY c3 DESC
```

Q6. 同上一个查询一致,只是查询范围扩大到2000年到2008年
Expand All @@ -262,7 +265,7 @@ FROM
AND Year>=2000 AND Year<=2008
GROUP BY Carrier
)
ANY INNER JOIN
JOIN
(
SELECT
Carrier,
Expand All @@ -281,7 +284,7 @@ SELECT Carrier, avg(DepDelay>10)*100 AS c3
FROM ontime
WHERE Year>=2000 AND Year<=2008
GROUP BY Carrier
ORDER BY Carrier;
ORDER BY c3 DESC;
```

Q7. 每年航班延误超过10分钟的百分比
Expand All @@ -297,7 +300,7 @@ FROM
WHERE DepDelay>10
GROUP BY Year
)
ANY INNER JOIN
JOIN
(
select
Year,
Expand All @@ -311,7 +314,7 @@ ORDER BY Year;
更好的查询版本：

```sql
SELECT Year, avg(DepDelay>10)
SELECT Year, avg(DepDelay>10)*100
FROM ontime
GROUP BY Year
ORDER BY Year;
Expand Down