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体验新版 GitCode,发现更多精彩内容 >>
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80b570be
编写于
4月 08, 2015
作者:
A
Aljoscha Krettek
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差异文件
[FLINK-1823] Remove linq from Table API documentation
上级
62c465c3
变更
2
隐藏空白更改
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Showing
2 changed file
with
19 addition
and
4 deletion
+19
-4
docs/_includes/sidenav.html
docs/_includes/sidenav.html
+1
-1
docs/table.md
docs/table.md
+18
-3
未找到文件。
docs/_includes/sidenav.html
浏览文件 @
80b570be
...
...
@@ -40,7 +40,7 @@ under the License.
<li><div
class=
"sidenav-item"
><a
href=
"{{ site.baseurl }}/iterations.html"
>
Iterations
</a></div></li>
<li><div
class=
"sidenav-item"
><a
href=
"{{ site.baseurl }}/spargel_guide.html"
>
Spargel Graph API
</a></div></li>
<li><div
class=
"sidenav-item"
><a
href=
"{{ site.baseurl }}/gelly_guide.html"
>
Gelly Graph API
</a></div></li>
<li><div
class=
"sidenav-item"
><a
href=
"{{ site.baseurl }}/
linq.html"
>
Language-Integrated
Queries
</a></div></li>
<li><div
class=
"sidenav-item"
><a
href=
"{{ site.baseurl }}/
table.html"
>
Table API - Relational
Queries
</a></div></li>
<li><div
class=
"sidenav-item"
><a
href=
"{{ site.baseurl }}/hadoop_compatibility.html"
>
Hadoop Compatibility
</a></div></li>
<li><div
class=
"sidenav-item-bottom"
><a
href=
"{{ site.baseurl }}/flink_on_tez_guide.html"
>
Running Flink on Tez
</a></div></li>
...
...
docs/
linq
.md
→
docs/
table
.md
浏览文件 @
80b570be
---
title
:
"
Language-Integrated
Queries
(Table
API)
"
title
:
"
Table
API
-
Relational
Queries
"
---
<!--
Licensed to the Apache Software Foundation (ASF) under one
...
...
@@ -23,7 +23,7 @@ under the License.
*
This will be replaced by the TOC
{:toc}
**
Language-Integrated Queries are
an experimental feature**
**
The Table API
an experimental feature**
Flink provides an API that allows specifying operations using SQL-like expressions. Instead of
manipulating
`DataSet`
or
`DataStream`
you work with
`Table`
on which relational operations can
...
...
@@ -67,7 +67,7 @@ This is another example that shows how you
can join to Tables:
{% highlight scala %}
case class MyResult(a: String,
b
: Int)
case class MyResult(a: String,
d
: Int)
val input1 = env.fromElements(...).toTable('a, 'b)
val input2 = env.fromElements(...).toTable('c, 'd)
...
...
@@ -87,6 +87,21 @@ When using Java, Tables can be converted to and from DataSet and DataStream usin
This example is equivalent to the above Scala Example:
{% highlight java %}
public class WC {
public WC(String word, int count) {
this.word = word; this.count = count;
}
public WC() {} // empty constructor to satisfy POJO requirements
public String word;
public int count;
}
...
ExecutionEnvironment env = ExecutionEnvironment.createCollectionsEnvironment();
TableEnvironment tableEnv = new TableEnvironment();
...
...
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