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From bridg...@apache.org
Subject [3/6] drill-site git commit: updates for Drill 1.8 release
Date Tue, 30 Aug 2016 22:37:44 GMT
http://git-wip-us.apache.org/repos/asf/drill-site/blob/67bee382/docs/drop-view/index.html
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@@ -951,6 +951,10 @@
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+              <li class="toctree-l2"><a class="reference internal" href="/docs/apache-drill-1-8-0-release-notes/">Apache Drill 1.8.0 Release Notes</a></li>
+            
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+            
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@@ -1070,28 +1074,41 @@
 
     </div>
 
-     
+     Aug 4, 2016
 
     <link href="/css/docpage.css" rel="stylesheet" type="text/css">
 
     <div class="int_text" align="left">
       
-        <p>The DROP VIEW command removes a view that was created in a workspace using the CREATE VIEW command.</p>
+        <p>The DROP VIEW command removes a view that was created in a workspace using the CREATE VIEW command. As of Drill 1.8, you can include the IF EXISTS parameter with the DROP VIEW command.</p>
 
 <h2 id="syntax">Syntax</h2>
 
 <p>The DROP VIEW command supports the following syntax:</p>
-<div class="highlight"><pre><code class="language-text" data-lang="text"> DROP VIEW [workspace.]view_name;
+<div class="highlight"><pre><code class="language-text" data-lang="text">DROP VIEW [IF EXISTS] [workspace.]view_name;  
 </code></pre></div>
+<h2 id="parameters">Parameters</h2>
+
+<p>IF EXISTS<br>
+Drill does not throw an error if the view does not exist. Instead, Drill returns &quot;<code>View [view_name] not found in schema [workspace].</code>&quot;  </p>
+
+<p><em>workspace</em><br>
+The location of the view in subdirectories of a local or distributed file system.</p>
+
+<p><em>name</em><br>
+A unique directory or file name, optionally prefaced by a storage plugin name, such as <code>dfs</code>, and a workspace, such as <code>tmp</code> using dot notation. </p>
+
 <h2 id="usage-notes">Usage Notes</h2>
 
 <p>When you drop a view, all information about the view is deleted from the workspace in which it was created. DROP VIEW applies to the view only, not to the underlying data sources used to create the view. However, if you drop a view that another view is dependent on, you can no longer use the dependent view. If the underlying tables or views change after a view is created, you may want to drop and re-create the view. Alternatively, you can use the CREATE OR REPLACE VIEW syntax to update the view.</p>
 
 <h2 id="example">Example</h2>
 
-<p>This example shows you some steps to follow when you want to drop a view in Drill using the DROP VIEW command. A workspace named “donuts” was created for the steps in this example.
-Complete the following steps to drop a view in Drill:
-Use the writable workspace from which the view was created.</p>
+<p>This example shows you some steps to follow when you want to drop a view in Drill using the DROP VIEW command. A workspace named “donuts” was created for the steps in this example.  </p>
+
+<p>Complete the following steps to drop a view in Drill:  </p>
+
+<p>Use the writable workspace from which the view was created.</p>
 <div class="highlight"><pre><code class="language-text" data-lang="text">0: jdbc:drill:zk=local&gt; use dfs.donuts;
 +------------+------------+
 |     ok    |  summary   |
@@ -1112,8 +1129,25 @@ Use the writable workspace from which the view was created.</p>
 +------------+------------+
 |   ok  |  summary   |
 +------------+------------+
-| true      | View &#39;yourdonuts&#39; deleted successfully from &#39;dfs.tmp&#39; schema |
-+------------+------------+
+| true      | View &#39;yourdonuts&#39; deleted successfully from &#39;dfs.tmp&#39; schema |  
++------------+------------+  
+</code></pre></div>
+<p>Use the DROP VIEW command with or without the IF EXISTS parameter to remove a view created in the current workspace.  </p>
+<div class="highlight"><pre><code class="language-text" data-lang="text">0: jdbc:drill:zk=local&gt; drop view if exists mydonuts;
++------------+--------------------------------------------------------------+
+|     ok     | summary                                                      |
++------------+--------------------------------------------------------------+
+| true       | View &#39;mydonuts&#39; deleted successfully from &#39;dfs.donuts&#39; schema|
++------------+--------------------------------------------------------------+
+</code></pre></div>
+<p>Use the DROP VIEW command with the IF EXISTS parameter to remove a view that does not exist in the current workspace, either because it was never created or it was already removed.</p>
+<div class="highlight"><pre><code class="language-text" data-lang="text">0: jdbc:drill:zk=local&gt; drop view if exists mydonuts;
++-------+---------------------------------------------------+
+|  ok   |                   summary                         |
++-------+---------------------------------------------------+
+| true  | View &#39;mydonuts&#39; not found in schema &#39;dfs.donuts&#39;  |
++-------+---------------------------------------------------+
+1 row selected (0.085 seconds)
 </code></pre></div>
     
       

http://git-wip-us.apache.org/repos/asf/drill-site/blob/67bee382/docs/embedded-mode-prerequisites/index.html
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+            
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+            
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+          
+            
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+            
+          
+            
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@@ -1068,7 +1072,7 @@
 
     </div>
 
-     Jun 29, 2016
+     Aug 4, 2016
 
     <link href="/css/docpage.css" rel="stylesheet" type="text/css">
 
@@ -1234,6 +1238,11 @@ Time taken: 0.524 seconds, Fetched: 1 row(s)
 </code></pre></div>
 <h3 id="connect-drill-to-hive-and-query-the-data">Connect Drill to Hive and Query the Data</h3>
 
+<div class="admonition note">
+  <p class="first admonition-title">Note</p>
+  <p class="last">Drill 1.8 implements the IF EXISTS parameter for the DROP TABLE and DROP VIEW commands, making IF a reserved word in Drill. As a result, you must include backticks around the Hive \``IF`` conditional function when you use it in a query on Hive tables. Alternatively, you can use the CASE statement instead of the IF function.  </p>
+</div>
+
 <p>In Drill, you use the <a href="/docs/hive-storage-plugin">Hive storage plugin</a>. Using the Hive storage plugin connects Drill to the Hive metastore containing the data.</p>
 <div class="highlight"><pre><code class="language-text" data-lang="text">0: jdbc:drill:&gt; USE hive;
 +------------+------------+

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+              <li class="toctree-l2"><a class="reference internal" href="/docs/apache-drill-1-8-0-release-notes/">Apache Drill 1.8.0 Release Notes</a></li>
+            
+          
+            
               <li class="toctree-l2"><a class="reference internal" href="/docs/apache-drill-1-7-0-release-notes/">Apache Drill 1.7.0 Release Notes</a></li>
             
           

http://git-wip-us.apache.org/repos/asf/drill-site/blob/67bee382/docs/install-drill-introduction/index.html
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diff --git a/docs/install-drill-introduction/index.html b/docs/install-drill-introduction/index.html
index 3e6d9fa..2f5ecf4 100644
--- a/docs/install-drill-introduction/index.html
+++ b/docs/install-drill-introduction/index.html
@@ -951,6 +951,10 @@
           <ul style="display: none">
           
             
+              <li class="toctree-l2"><a class="reference internal" href="/docs/apache-drill-1-8-0-release-notes/">Apache Drill 1.8.0 Release Notes</a></li>
+            
+          
+            
               <li class="toctree-l2"><a class="reference internal" href="/docs/apache-drill-1-7-0-release-notes/">Apache Drill 1.7.0 Release Notes</a></li>
             
           

http://git-wip-us.apache.org/repos/asf/drill-site/blob/67bee382/docs/install-drill/index.html
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diff --git a/docs/install-drill/index.html b/docs/install-drill/index.html
index 57fe258..ae5fd89 100644
--- a/docs/install-drill/index.html
+++ b/docs/install-drill/index.html
@@ -951,6 +951,10 @@
           <ul style="display: none">
           
             
+              <li class="toctree-l2"><a class="reference internal" href="/docs/apache-drill-1-8-0-release-notes/">Apache Drill 1.8.0 Release Notes</a></li>
+            
+          
+            
               <li class="toctree-l2"><a class="reference internal" href="/docs/apache-drill-1-7-0-release-notes/">Apache Drill 1.7.0 Release Notes</a></li>
             
           

http://git-wip-us.apache.org/repos/asf/drill-site/blob/67bee382/docs/installing-drill-in-distributed-mode/index.html
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diff --git a/docs/installing-drill-in-distributed-mode/index.html b/docs/installing-drill-in-distributed-mode/index.html
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+++ b/docs/installing-drill-in-distributed-mode/index.html
@@ -951,6 +951,10 @@
           <ul style="display: none">
           
             
+              <li class="toctree-l2"><a class="reference internal" href="/docs/apache-drill-1-8-0-release-notes/">Apache Drill 1.8.0 Release Notes</a></li>
+            
+          
+            
               <li class="toctree-l2"><a class="reference internal" href="/docs/apache-drill-1-7-0-release-notes/">Apache Drill 1.7.0 Release Notes</a></li>
             
           

http://git-wip-us.apache.org/repos/asf/drill-site/blob/67bee382/docs/installing-drill-in-embedded-mode/index.html
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diff --git a/docs/installing-drill-in-embedded-mode/index.html b/docs/installing-drill-in-embedded-mode/index.html
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+++ b/docs/installing-drill-in-embedded-mode/index.html
@@ -951,6 +951,10 @@
           <ul style="display: none">
           
             
+              <li class="toctree-l2"><a class="reference internal" href="/docs/apache-drill-1-8-0-release-notes/">Apache Drill 1.8.0 Release Notes</a></li>
+            
+          
+            
               <li class="toctree-l2"><a class="reference internal" href="/docs/apache-drill-1-7-0-release-notes/">Apache Drill 1.7.0 Release Notes</a></li>
             
           

http://git-wip-us.apache.org/repos/asf/drill-site/blob/67bee382/docs/installing-drill-on-linux-and-mac-os-x/index.html
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diff --git a/docs/installing-drill-on-linux-and-mac-os-x/index.html b/docs/installing-drill-on-linux-and-mac-os-x/index.html
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--- a/docs/installing-drill-on-linux-and-mac-os-x/index.html
+++ b/docs/installing-drill-on-linux-and-mac-os-x/index.html
@@ -951,6 +951,10 @@
           <ul style="display: none">
           
             
+              <li class="toctree-l2"><a class="reference internal" href="/docs/apache-drill-1-8-0-release-notes/">Apache Drill 1.8.0 Release Notes</a></li>
+            
+          
+            
               <li class="toctree-l2"><a class="reference internal" href="/docs/apache-drill-1-7-0-release-notes/">Apache Drill 1.7.0 Release Notes</a></li>
             
           
@@ -1070,7 +1074,7 @@
 
     </div>
 
-     Jun 29, 2016
+     Aug 30, 2016
 
     <link href="/css/docpage.css" rel="stylesheet" type="text/css">
 
@@ -1082,11 +1086,11 @@
 
 <ol>
 <li>In a terminal window, change to the directory where you want to install Drill.<br></li>
-<li>Download the latest version of Apache Drill <a href="http://www.apache.org/dyn/closer.lua?filename=drill/drill-1.7.0/apache-drill-1.7.0.tar.gz&amp;action=download">here</a> or from the <a href="http://www.apache.org/dyn/closer.cgi/drill/drill-1.7.0/apache-drill-1.7.0.tar.gz">Apache Drill mirror site</a> with the command appropriate for your system:<br>
+<li>Download the latest version of Apache Drill <a href="http://apache.mirrors.hoobly.com/drill/drill-1.8.0/apache-drill-1.8.0.tar.gz">here</a> or from the <a href="http://www.apache.org/dyn/closer.cgi/drill/drill-1.8.0/apache-drill-1.8.0.tar.gz">Apache Drill mirror site</a> with the command appropriate for your system:<br>
 
 <ul>
-<li><code>wget http://apache.mesi.com.ar/drill/drill-1.7.0/apache-drill-1.7.0.tar.gz</code><br></li>
-<li><code>curl -o apache-drill-1.7.0.tar.gz http://apache.mesi.com.ar/drill/drill-1.7.0/apache-drill-1.7.0.tar.gz</code><br></li>
+<li><code>wget http://apache.mirrors.hoobly.com/drill/drill-1.8.0/apache-drill-1.8.0.tar.gz</code><br></li>
+<li><code>curl -o apache-drill-1.8.0.tar.gz http://apache.mirrors.hoobly.com/drill/drill-1.8.0/apache-drill-1.8.0.tar.gz</code><br></li>
 </ul></li>
 <li>Copy the downloaded file to the directory where you want to install Drill.<br></li>
 <li>Extract the contents of the Drill <code>.tar.gz</code> file. Use sudo only if necessary:<br>

http://git-wip-us.apache.org/repos/asf/drill-site/blob/67bee382/docs/installing-drill-on-the-cluster/index.html
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diff --git a/docs/installing-drill-on-the-cluster/index.html b/docs/installing-drill-on-the-cluster/index.html
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+++ b/docs/installing-drill-on-the-cluster/index.html
@@ -951,6 +951,10 @@
           <ul style="display: none">
           
             
+              <li class="toctree-l2"><a class="reference internal" href="/docs/apache-drill-1-8-0-release-notes/">Apache Drill 1.8.0 Release Notes</a></li>
+            
+          
+            
               <li class="toctree-l2"><a class="reference internal" href="/docs/apache-drill-1-7-0-release-notes/">Apache Drill 1.7.0 Release Notes</a></li>
             
           
@@ -1070,7 +1074,7 @@
 
     </div>
 
-     Jun 29, 2016
+     Aug 30, 2016
 
     <link href="/css/docpage.css" rel="stylesheet" type="text/css">
 
@@ -1079,11 +1083,11 @@
         <p>You install Drill on nodes in the cluster, configure a cluster ID, and add Zookeeper information, as described in the following steps:</p>
 
 <ol>
-<li>Download the latest version of Apache Drill <a href="http://www.apache.org/dyn/closer.lua?filename=drill/drill-1.7.0/apache-drill-1.7.0.tar.gz&amp;action=download">here</a> or from the <a href="http://www.apache.org/dyn/closer.cgi/drill/drill-1.7.0/apache-drill-1.7.0.tar.gz">Apache Drill mirror site</a> with the command appropriate for your system:<br>
+<li>Download the latest version of Apache Drill <a href="http://apache.mirrors.hoobly.com/drill/drill-1.8.0/apache-drill-1.8.0.tar.gz">here</a> or from the <a href="http://www.apache.org/dyn/closer.cgi/drill/drill-1.8.0/apache-drill-1.8.0.tar.gz">Apache Drill mirror site</a> with the command appropriate for your system:<br>
 
 <ul>
-<li><code>wget http://apache.mesi.com.ar/drill/drill-1.7.0/apache-drill-1.7.0.tar.gz</code><br></li>
-<li><code>curl -o apache-drill-1.7.0.tar.gz http://apache.mesi.com.ar/drill/drill-1.7.0/apache-drill-1.7.0.tar.gz</code><br></li>
+<li><code>wget http://apache.mirrors.hoobly.com/drill/drill-1.8.0/apache-drill-1.8.0.tar.gz</code><br></li>
+<li><code>curl -o apache-drill-1.8.0.tar.gz http://apache.mirrors.hoobly.com/drill/drill-1.8.0/apache-drill-1.8.0.tar.gz</code><br></li>
 </ul></li>
 <li>Extract the tarball to the directory of your choice, such as <code>/opt</code>:<br>
 <code>tar -xzvf apache-drill-&lt;version&gt;.tar.gz</code></li>

http://git-wip-us.apache.org/repos/asf/drill-site/blob/67bee382/docs/installing-drill-on-windows/index.html
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diff --git a/docs/installing-drill-on-windows/index.html b/docs/installing-drill-on-windows/index.html
index 847d202..71111dc 100644
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+++ b/docs/installing-drill-on-windows/index.html
@@ -951,6 +951,10 @@
           <ul style="display: none">
           
             
+              <li class="toctree-l2"><a class="reference internal" href="/docs/apache-drill-1-8-0-release-notes/">Apache Drill 1.8.0 Release Notes</a></li>
+            
+          
+            
               <li class="toctree-l2"><a class="reference internal" href="/docs/apache-drill-1-7-0-release-notes/">Apache Drill 1.7.0 Release Notes</a></li>
             
           
@@ -1070,7 +1074,7 @@
 
     </div>
 
-     Jun 29, 2016
+     Aug 30, 2016
 
     <link href="/css/docpage.css" rel="stylesheet" type="text/css">
 
@@ -1079,7 +1083,7 @@
         <p>First, check that you <a href="/docs/embedded-mode-prerequisites">meet the prerequisites</a>, including setting the JAVA_HOME environment variable, and then install Drill. Currently, Drill supports 64-bit Windows only. Complete the following steps to install Drill:</p>
 
 <ol>
-<li>Download the latest version of Apache Drill <a href="http://www.apache.org/dyn/closer.lua?filename=drill/drill-1.7.0/apache-drill-1.7.0.tar.gz&amp;action=download">here</a>.</li>
+<li>Download the latest version of Apache Drill <a href="http://apache.mirrors.hoobly.com/drill/drill-1.8.0/apache-drill-1.8.0.tar.gz">here</a>.</li>
 <li>Move the downloaded file to the directory where you want to install Drill.</li>
 <li>Unzip the GZ file using a third-party tool. If the tool you use does not unzip the underlying TAR file as well as the GZ file, perform a second unzip to extract the Drill software. The extraction process creates the installation directory containing the Drill software. </li>
 </ol>

http://git-wip-us.apache.org/repos/asf/drill-site/blob/67bee382/docs/installing-the-apache-drill-sandbox/index.html
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+++ b/docs/installing-the-apache-drill-sandbox/index.html
@@ -951,6 +951,10 @@
           <ul style="display: none">
           
             
+              <li class="toctree-l2"><a class="reference internal" href="/docs/apache-drill-1-8-0-release-notes/">Apache Drill 1.8.0 Release Notes</a></li>
+            
+          
+            
               <li class="toctree-l2"><a class="reference internal" href="/docs/apache-drill-1-7-0-release-notes/">Apache Drill 1.7.0 Release Notes</a></li>
             
           

http://git-wip-us.apache.org/repos/asf/drill-site/blob/67bee382/docs/installing-the-driver-on-linux/index.html
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diff --git a/docs/installing-the-driver-on-linux/index.html b/docs/installing-the-driver-on-linux/index.html
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+++ b/docs/installing-the-driver-on-linux/index.html
@@ -951,6 +951,10 @@
           <ul style="display: none">
           
             
+              <li class="toctree-l2"><a class="reference internal" href="/docs/apache-drill-1-8-0-release-notes/">Apache Drill 1.8.0 Release Notes</a></li>
+            
+          
+            
               <li class="toctree-l2"><a class="reference internal" href="/docs/apache-drill-1-7-0-release-notes/">Apache Drill 1.7.0 Release Notes</a></li>
             
           

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+++ b/docs/installing-the-driver-on-mac-os-x/index.html
@@ -951,6 +951,10 @@
           <ul style="display: none">
           
             
+              <li class="toctree-l2"><a class="reference internal" href="/docs/apache-drill-1-8-0-release-notes/">Apache Drill 1.8.0 Release Notes</a></li>
+            
+          
+            
               <li class="toctree-l2"><a class="reference internal" href="/docs/apache-drill-1-7-0-release-notes/">Apache Drill 1.7.0 Release Notes</a></li>
             
           

http://git-wip-us.apache.org/repos/asf/drill-site/blob/67bee382/docs/installing-the-driver-on-windows/index.html
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+++ b/docs/installing-the-driver-on-windows/index.html
@@ -951,6 +951,10 @@
           <ul style="display: none">
           
             
+              <li class="toctree-l2"><a class="reference internal" href="/docs/apache-drill-1-8-0-release-notes/">Apache Drill 1.8.0 Release Notes</a></li>
+            
+          
+            
               <li class="toctree-l2"><a class="reference internal" href="/docs/apache-drill-1-7-0-release-notes/">Apache Drill 1.7.0 Release Notes</a></li>
             
           

http://git-wip-us.apache.org/repos/asf/drill-site/blob/67bee382/docs/installing-the-odbc-driver/index.html
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+++ b/docs/installing-the-odbc-driver/index.html
@@ -951,6 +951,10 @@
           <ul style="display: none">
           
             
+              <li class="toctree-l2"><a class="reference internal" href="/docs/apache-drill-1-8-0-release-notes/">Apache Drill 1.8.0 Release Notes</a></li>
+            
+          
+            
               <li class="toctree-l2"><a class="reference internal" href="/docs/apache-drill-1-7-0-release-notes/">Apache Drill 1.7.0 Release Notes</a></li>
             
           

http://git-wip-us.apache.org/repos/asf/drill-site/blob/67bee382/docs/installing-the-tdc-file-on-windows/index.html
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+++ b/docs/installing-the-tdc-file-on-windows/index.html
@@ -951,6 +951,10 @@
           <ul style="display: none">
           
             
+              <li class="toctree-l2"><a class="reference internal" href="/docs/apache-drill-1-8-0-release-notes/">Apache Drill 1.8.0 Release Notes</a></li>
+            
+          
+            
               <li class="toctree-l2"><a class="reference internal" href="/docs/apache-drill-1-7-0-release-notes/">Apache Drill 1.7.0 Release Notes</a></li>
             
           

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--- a/docs/interfaces-introduction/index.html
+++ b/docs/interfaces-introduction/index.html
@@ -951,6 +951,10 @@
           <ul style="display: none">
           
             
+              <li class="toctree-l2"><a class="reference internal" href="/docs/apache-drill-1-8-0-release-notes/">Apache Drill 1.8.0 Release Notes</a></li>
+            
+          
+            
               <li class="toctree-l2"><a class="reference internal" href="/docs/apache-drill-1-7-0-release-notes/">Apache Drill 1.7.0 Release Notes</a></li>
             
           

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+++ b/docs/join-planning-guidelines/index.html
@@ -951,6 +951,10 @@
           <ul style="display: none">
           
             
+              <li class="toctree-l2"><a class="reference internal" href="/docs/apache-drill-1-8-0-release-notes/">Apache Drill 1.8.0 Release Notes</a></li>
+            
+          
+            
               <li class="toctree-l2"><a class="reference internal" href="/docs/apache-drill-1-7-0-release-notes/">Apache Drill 1.7.0 Release Notes</a></li>
             
           

http://git-wip-us.apache.org/repos/asf/drill-site/blob/67bee382/docs/json-data-model/index.html
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@@ -951,6 +951,10 @@
           <ul style="display: none">
           
             
+              <li class="toctree-l2"><a class="reference internal" href="/docs/apache-drill-1-8-0-release-notes/">Apache Drill 1.8.0 Release Notes</a></li>
+            
+          
+            
               <li class="toctree-l2"><a class="reference internal" href="/docs/apache-drill-1-7-0-release-notes/">Apache Drill 1.7.0 Release Notes</a></li>
             
           

http://git-wip-us.apache.org/repos/asf/drill-site/blob/67bee382/docs/kvgen/index.html
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+++ b/docs/kvgen/index.html
@@ -951,6 +951,10 @@
           <ul style="display: none">
           
             
+              <li class="toctree-l2"><a class="reference internal" href="/docs/apache-drill-1-8-0-release-notes/">Apache Drill 1.8.0 Release Notes</a></li>
+            
+          
+            
               <li class="toctree-l2"><a class="reference internal" href="/docs/apache-drill-1-7-0-release-notes/">Apache Drill 1.7.0 Release Notes</a></li>
             
           

http://git-wip-us.apache.org/repos/asf/drill-site/blob/67bee382/docs/learn-drill-with-the-mapr-sandbox/index.html
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+++ b/docs/learn-drill-with-the-mapr-sandbox/index.html
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           <ul style="display: none">
           
             
+              <li class="toctree-l2"><a class="reference internal" href="/docs/apache-drill-1-8-0-release-notes/">Apache Drill 1.8.0 Release Notes</a></li>
+            
+          
+            
               <li class="toctree-l2"><a class="reference internal" href="/docs/apache-drill-1-7-0-release-notes/">Apache Drill 1.7.0 Release Notes</a></li>
             
           

http://git-wip-us.apache.org/repos/asf/drill-site/blob/67bee382/docs/lesson-1-learn-about-the-data-set/index.html
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@@ -951,6 +951,10 @@
           <ul style="display: none">
           
             
+              <li class="toctree-l2"><a class="reference internal" href="/docs/apache-drill-1-8-0-release-notes/">Apache Drill 1.8.0 Release Notes</a></li>
+            
+          
+            
               <li class="toctree-l2"><a class="reference internal" href="/docs/apache-drill-1-7-0-release-notes/">Apache Drill 1.7.0 Release Notes</a></li>
             
           

http://git-wip-us.apache.org/repos/asf/drill-site/blob/67bee382/docs/lesson-2-run-queries-with-ansi-sql/index.html
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@@ -951,6 +951,10 @@
           <ul style="display: none">
           
             
+              <li class="toctree-l2"><a class="reference internal" href="/docs/apache-drill-1-8-0-release-notes/">Apache Drill 1.8.0 Release Notes</a></li>
+            
+          
+            
               <li class="toctree-l2"><a class="reference internal" href="/docs/apache-drill-1-7-0-release-notes/">Apache Drill 1.7.0 Release Notes</a></li>
             
           

http://git-wip-us.apache.org/repos/asf/drill-site/blob/67bee382/docs/lesson-3-run-queries-on-complex-data-types/index.html
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@@ -1070,7 +1074,7 @@
 
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-     
+     Aug 15, 2016
 
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         <p>Partition pruning is a performance optimization that limits the number of files and partitions that Drill reads when querying file systems and Hive tables. When you partition data, Drill only reads a subset of the files that reside in a file system or a subset of the partitions in a Hive table when a query matches certain filter criteria.</p>
 
+<p>As of Drill 1.8, partition pruning also applies to the Parquet metadata cache. When data is partitioned in a directory hierarchy, Drill attempts to read the metadata cache file from a sub-partition, based on matching filter criteria instead of reading from the top level partition, to reduce the amount of metadata read during the query planning time. If you created a metadata cache file in a previous version of Drill, you must issue the REFRESH TABLE METADATA command to regenerate the metadata cache file before running queries for metadata cache pruning to occur. See <a href="/docs/optimizing-parquet-metadata-reading/">Optimizing Parquet Metadata Reading</a> for more information.  </p>
+
 <p>The query planner in Drill performs partition pruning by evaluating the filters. If no partition filters are present, the underlying Scan operator reads all files in all directories and then sends the data to operators, such as Filter, downstream. When partition filters are present, the query planner pushes the filters down to the Scan if possible. The Scan reads only the directories that match the partition filters, thus reducing disk I/O.</p>
 
 <h2 id="using-partitioned-drill-data">Using Partitioned Drill Data</h2>

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     </div>
 
-     
+     Aug 4, 2016
 
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@@ -1184,9 +1188,9 @@ Using a copy of an existing configuration reduces the risk of JSON coding errors
   </tr>
   <tr>
     <td>&quot;formats&quot; . . . &quot;delimiter&quot;</td>
-    <td>&quot;\t&quot;<br>&quot;,&quot;</td>
+    <td>&quot;\n&quot;<br>&quot;\r&quot;<br>&quot;\t&quot;<br>&quot;\r\n&quot;<br>&quot;,&quot;</td>
     <td>format-dependent</td>
-    <td>Sequence of one or more characters that serve as a record separator in a delimited text file, such as CSV. Use a 4-digit hex code syntax \uXXXX for a non-printable delimiter. </td>
+    <td>Sequence of one or more characters that signifies the end of a line of text and the start of a new line in a delimited text file, such as CSV. Drill treats \n as the standard line delimiter. As of Drill 1.8, Drill supports multi-byte delimiters, such as \r\n. Use a 4-digit hex code syntax \uXXXX for a non-printable delimiter. </td>
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     <td>&quot;formats&quot; . . . &quot;quote&quot;</td>

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