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[FLINK-11331][table][docs] Fix errors in tableApi.md and functions.md #7494

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[FLINK-11331][table][docs] Fix errors in tableApi.md and functions.md #7494

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[FLINK-11331][table][docs] Fix errors in tableApi.md and functions.md
hequn8128 Jan 15, 2019
f4494fa
add examples for udfs
hequn8128 Jan 16, 2019
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52 changes: 51 additions & 1 deletion docs/dev/table/functions.md
View file
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Original file line number Diff line number Diff line change
Expand Up @@ -3573,7 +3573,18 @@ NUMERIC.years
<p>Creates an interval of months for <i>NUMERIC</i> years.</p>
</td>
</tr>

<tr>
<td>
{% highlight java %}
NUMERIC.quarter
NUMERIC.quarters
{% endhighlight %}
</td>
<td>
<p>Creates an interval of months for <i>NUMERIC</i> quarters.</p>
<p>E.g., <code>2.quarters</code> returns 6.</p>
</td>
</tr>
<tr>
<td>
{% highlight java %}
Expand All @@ -3586,6 +3597,19 @@ NUMERIC.months
</td>
</tr>

<tr>
<td>
{% highlight java %}
NUMERIC.week
NUMERIC.weeks
{% endhighlight %}
</td>
<td>
<p>Creates an interval of milliseconds for <i>NUMERIC</i> weeks.</p>
<p>E.g., <code>2.weeks</code> returns 1209600000.</p>
</td>
</tr>

<tr>
<td>
{% highlight java %}
Expand Down Expand Up @@ -3831,6 +3855,19 @@ NUMERIC.years
</td>
</tr>

<tr>
<td>
{% highlight scala %}
NUMERIC.quarter
NUMERIC.quarters
{% endhighlight %}
</td>
<td>
<p>Creates an interval of months for <i>NUMERIC</i> quarters.</p>
<p>E.g., <code>2.quarters</code> returns 6.</p>
</td>
</tr>

<tr>
<td>
{% highlight scala %}
Expand All @@ -3843,6 +3880,19 @@ NUMERIC.months
</td>
</tr>

<tr>
<td>
{% highlight scala %}
NUMERIC.week
NUMERIC.weeks
{% endhighlight %}
</td>
<td>
<p>Creates an interval of milliseconds for <i>NUMERIC</i> weeks.</p>
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@sunjincheng121 sunjincheng121 Jan 16, 2019

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We can add an example: e.g.:
E.g., 1.weeks returns 604800000 ms.

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@hequn8128 hequn8128 Jan 16, 2019

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Good point!

<p>E.g., <code>2.weeks</code> returns 1209600000.</p>
</td>
</tr>

<tr>
<td>
{% highlight scala %}
Expand Down
4 changes: 2 additions & 2 deletions docs/dev/table/tableApi.md
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Original file line number Diff line number Diff line change
Expand Up @@ -109,7 +109,7 @@ Table orders = tEnv.scan("Orders"); // schema (a, b, c, rowtime)

Table result = orders
.filter("a.isNotNull && b.isNotNull && c.isNotNull")
.select("a.lowerCase(), b, rowtime")
.select("a.lowerCase() as a, b, rowtime")
.window(Tumble.over("1.hour").on("rowtime").as("hourlyWindow"))
.groupBy("hourlyWindow, a")
.select("a, hourlyWindow.end as hour, b.avg as avgBillingAmount");
Expand All @@ -128,7 +128,7 @@ val orders: Table = tEnv.scan("Orders") // schema (a, b, c, rowtime)

val result: Table = orders
.filter('a.isNotNull && 'b.isNotNull && 'c.isNotNull)
.select('a.lowerCase(), 'b, 'rowtime)
.select('a.lowerCase() as 'a, 'b, 'rowtime)
.window(Tumble over 1.hour on 'rowtime as 'hourlyWindow)
.groupBy('hourlyWindow, 'a)
.select('a, 'hourlyWindow.end as 'hour, 'b.avg as 'avgBillingAmount)
Expand Down