From 1df3400e90bb9f5816e92254b03fac674ef27076 Mon Sep 17 00:00:00 2001
From: hequn8128 <chenghequn@gmail.com>
Date: Tue, 15 Jan 2019 18:31:57 +0800
Subject: [PATCH 1/2] [FLINK-11331][table][docs] Fix errors in tableApi.md and
 functions.md

---
 docs/dev/table/functions.md | 48 ++++++++++++++++++++++++++++++++++++-
 docs/dev/table/tableApi.md  |  4 ++--
 2 files changed, 49 insertions(+), 3 deletions(-)

diff --git a/docs/dev/table/functions.md b/docs/dev/table/functions.md
index 682f519eb3ce6..2c8ff520c7d8c 100644
--- a/docs/dev/table/functions.md
+++ b/docs/dev/table/functions.md
@@ -3573,7 +3573,17 @@ 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>
+      </td>
+    </tr>
     <tr>
       <td>
         {% highlight java %}
@@ -3586,6 +3596,18 @@ 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>
+      </td>
+    </tr>
+    
     <tr>
       <td>
         {% highlight java %}
@@ -3831,6 +3853,18 @@ 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>
+      </td>
+    </tr>
+
     <tr>
       <td>
         {% highlight scala %}
@@ -3843,6 +3877,18 @@ 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>
+      </td>
+    </tr>
+    
     <tr>
       <td>
         {% highlight scala %}
diff --git a/docs/dev/table/tableApi.md b/docs/dev/table/tableApi.md
index e44df24ad5ec9..d44eebddf5351 100644
--- a/docs/dev/table/tableApi.md
+++ b/docs/dev/table/tableApi.md
@@ -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");
@@ -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)

From f4494fafa60204d65fc015896433569a1713949b Mon Sep 17 00:00:00 2001
From: hequn8128 <chenghequn@gmail.com>
Date: Wed, 16 Jan 2019 14:34:06 +0800
Subject: [PATCH 2/2] add examples for udfs

---
 docs/dev/table/functions.md | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/docs/dev/table/functions.md b/docs/dev/table/functions.md
index 2c8ff520c7d8c..f41139d14957c 100644
--- a/docs/dev/table/functions.md
+++ b/docs/dev/table/functions.md
@@ -3582,6 +3582,7 @@ NUMERIC.quarters
       </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>
@@ -3605,6 +3606,7 @@ NUMERIC.weeks
       </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>
     
@@ -3862,6 +3864,7 @@ NUMERIC.quarters
       </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>
 
@@ -3886,6 +3889,7 @@ NUMERIC.weeks
       </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>