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From krish...@apache.org
Subject [17/51] [partial] drill-site git commit: Website update
Date Sun, 06 Dec 2015 16:54:43 GMT
http://git-wip-us.apache.org/repos/asf/drill-site/blob/bbdefcb2/_site/docs/apache-drill-0-9-0-release-notes/index.html
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+              <li class="toctree-l2"><a class="reference internal" href="/drill/docs/tutorials-introduction/">Tutorials Introduction</a></li>
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+          
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+              <li class="toctree-l2"><a class="reference internal" href="/drill/docs/drill-in-10-minutes/">Drill in 10 Minutes</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/drill/docs/analyzing-the-yelp-academic-dataset/">Analyzing the Yelp Academic Dataset</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a href="javascript: void(0);">Learn Drill with the MapR Sandbox</a></li>
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+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/about-the-mapr-sandbox/">About the MapR Sandbox</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/installing-the-apache-drill-sandbox/">Installing the Apache Drill Sandbox</a></li>
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+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/getting-to-know-the-drill-sandbox/">Getting to Know the Drill Sandbox</a></li>
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+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/lesson-1-learn-about-the-data-set/">Lesson 1: Learn about the Data Set</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/lesson-2-run-queries-with-ansi-sql/">Lesson 2: Run Queries with ANSI SQL</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/lesson-3-run-queries-on-complex-data-types/">Lesson 3: Run Queries on Complex Data Types</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/summary/">Summary</a></li>
+              
+            </ul>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/drill/docs/analyzing-highly-dynamic-datasets/">Analyzing Highly Dynamic Datasets</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/drill/docs/analyzing-social-media/">Analyzing Social Media</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/drill/docs/analyzing-data-using-window-functions/">Analyzing Data Using Window Functions</a></li>
+            
+          
+          </ul>
+        
+      
+        
+          <li class="toctree-l1"><a href="javascript: void(0);">Install Drill</a></li>
+          <ul style="display: none">
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/drill/docs/install-drill-introduction/">Install Drill Introduction</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a href="javascript: void(0);">Installing Drill in Embedded Mode</a></li>
+              <ul style="display: none">
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/embedded-mode-prerequisites/">Embedded Mode Prerequisites</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/installing-drill-on-linux-and-mac-os-x/">Installing Drill on Linux and Mac OS X</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/starting-drill-on-linux-and-mac-os-x/">Starting Drill on Linux and Mac OS X</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/installing-drill-on-windows/">Installing Drill on Windows</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/starting-drill-on-windows/">Starting Drill on Windows</a></li>
+              
+            </ul>
+            
+          
+            
+              <li class="toctree-l2"><a href="javascript: void(0);">Installing Drill in Distributed Mode</a></li>
+              <ul style="display: none">
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/distributed-mode-prerequisites/">Distributed Mode Prerequisites</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/installing-drill-on-the-cluster/">Installing Drill on the Cluster</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/starting-drill-in-distributed-mode/">Starting Drill in Distributed Mode</a></li>
+              
+            </ul>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/drill/docs/starting-the-web-console/">Starting the Web Console</a></li>
+            
+          
+          </ul>
+        
+      
+        
+          <li class="toctree-l1"><a href="javascript: void(0);">Configure Drill</a></li>
+          <ul style="display: none">
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/drill/docs/configure-drill-introduction/">Configure Drill Introduction</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/drill/docs/configuring-drill-memory/">Configuring Drill Memory</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a href="javascript: void(0);">Configuring a Multitenant Cluster</a></li>
+              <ul style="display: none">
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/configuring-a-multitenant-cluster-introduction/">Configuring a Multitenant Cluster Introduction</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/configuring-multitenant-resources/">Configuring Multitenant Resources</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/configuring-resources-for-a-shared-drillbit/">Configuring Resources for a Shared Drillbit</a></li>
+              
+            </ul>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/drill/docs/configuring-user-impersonation/">Configuring User Impersonation</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/drill/docs/configuring-user-authentication/">Configuring User Authentication</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/drill/docs/configuring-user-impersonation-with-hive-authorization/">Configuring User Impersonation with Hive Authorization</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/drill/docs/configuring-web-console-and-rest-api-security/">Configuring Web Console and REST API Security</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a href="javascript: void(0);">Configuration Options</a></li>
+              <ul style="display: none">
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/configuration-options-introduction/">Configuration Options Introduction</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/start-up-options/">Start-Up Options</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/planning-and-execution-options/">Planning and Execution Options</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/persistent-configuration-storage/">Persistent Configuration Storage</a></li>
+              
+            </ul>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/drill/docs/ports-used-by-drill/">Ports Used by Drill</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/drill/docs/configuring-the-drill-shell/">Configuring the Drill Shell</a></li>
+            
+          
+          </ul>
+        
+      
+        
+          <li class="toctree-l1"><a href="javascript: void(0);">Connect a Data Source</a></li>
+          <ul style="display: none">
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/drill/docs/connect-a-data-source-introduction/">Connect a Data Source Introduction</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/drill/docs/storage-plugin-registration/">Storage Plugin Registration</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a href="javascript: void(0);">Storage Plugin Configuration</a></li>
+              <ul style="display: none">
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/plugin-configuration-basics/">Plugin Configuration Basics</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/workspaces/">Workspaces</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/drill-default-input-format/">Drill Default Input Format</a></li>
+              
+            </ul>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/drill/docs/file-system-storage-plugin/">File System Storage Plugin</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/drill/docs/hbase-storage-plugin/">HBase Storage Plugin</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/drill/docs/hive-storage-plugin/">Hive Storage Plugin</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/drill/docs/rdbms-storage-plugin/">RDBMS Storage Plugin</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/drill/docs/mongodb-storage-plugin/">MongoDB Storage Plugin</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/drill/docs/mapr-db-format/">MapR-DB Format</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/drill/docs/s3-storage-plugin/">S3 Storage Plugin</a></li>
+            
+          
+          </ul>
+        
+      
+        
+          <li class="toctree-l1"><a href="javascript: void(0);">ODBC/JDBC Interfaces</a></li>
+          <ul style="display: none">
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/drill/docs/interfaces-introduction/">Interfaces Introduction</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/drill/docs/using-the-jdbc-driver/">Using the JDBC Driver</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/drill/docs/using-jdbc-with-squirrel-on-windows/">Using JDBC with SQuirreL on Windows</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a href="javascript: void(0);">Installing the ODBC Driver</a></li>
+              <ul style="display: none">
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/installing-the-driver-on-linux/">Installing the Driver on Linux</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/installing-the-driver-on-mac-os-x/">Installing the Driver on Mac OS X</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/installing-the-driver-on-windows/">Installing the Driver on Windows</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/installing-the-tdc-file-on-windows/">Installing the TDC File on Windows</a></li>
+              
+            </ul>
+            
+          
+            
+              <li class="toctree-l2"><a href="javascript: void(0);">Configuring ODBC</a></li>
+              <ul style="display: none">
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/odbc-configuration-reference/">ODBC Configuration Reference</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/configuring-odbc-on-linux/">Configuring ODBC on Linux</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/configuring-odbc-on-mac-os-x/">Configuring ODBC on Mac OS X</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/configuring-odbc-on-windows/">Configuring ODBC on Windows</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/testing-the-odbc-connection/">Testing the ODBC Connection</a></li>
+              
+            </ul>
+            
+          
+            
+              <li class="toctree-l2"><a href="javascript: void(0);">Using Drill Explorer</a></li>
+              <ul style="display: none">
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/drill-explorer-introduction/">Drill Explorer Introduction</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/connecting-drill-explorer-to-data/">Connecting Drill Explorer to Data</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/browsing-data-and-defining-views/">Browsing Data and Defining Views</a></li>
+              
+            </ul>
+            
+          
+            
+              <li class="toctree-l2"><a href="javascript: void(0);">Using Drill with BI Tools</a></li>
+              <ul style="display: none">
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/using-drill-with-bi-tools-introduction/">Using Drill with BI Tools Introduction</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/tableau-examples/">Tableau Examples</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/using-microstrategy-analytics-with-apache-drill/">Using MicroStrategy Analytics with Apache Drill</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/using-tibco-spotfire-desktop-with-drill/">Using Tibco Spotfire Desktop with Drill</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/configuring-tibco-spotfire-server-with-drill/">Configuring Tibco Spotfire Server with Drill</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/using-qlik-sense-with-drill/">Using Qlik Sense with Drill</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/using-apache-drill-with-tableau-9-desktop/">Using Apache Drill with Tableau 9 Desktop</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/using-apache-drill-with-tableau-9-server/">Using Apache Drill with Tableau 9 Server</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/configuring-jreport-with-drill/">Configuring JReport with Drill</a></li>
+              
+            </ul>
+            
+          
+          </ul>
+        
+      
+        
+          <li class="toctree-l1"><a href="javascript: void(0);">Query Data</a></li>
+          <ul style="display: none">
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/drill/docs/query-data-introduction/">Query Data Introduction</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a href="javascript: void(0);">Querying a File System</a></li>
+              <ul style="display: none">
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/querying-a-file-system-introduction/">Querying a File System Introduction</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/querying-json-files/">Querying JSON Files</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/querying-parquet-files/">Querying Parquet Files</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/querying-plain-text-files/">Querying Plain Text Files</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/querying-directories/">Querying Directories</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/querying-sequence-files/">Querying Sequence Files</a></li>
+              
+            </ul>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/drill/docs/querying-hbase/">Querying HBase</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a href="javascript: void(0);">Querying Complex Data</a></li>
+              <ul style="display: none">
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/querying-complex-data-introduction/">Querying Complex Data Introduction</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/sample-data-donuts/">Sample Data: Donuts</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/selecting-flat-data/">Selecting Flat Data</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/using-sql-functions-clauses-and-joins/">Using SQL Functions, Clauses, and Joins</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/selecting-nested-data-for-a-column/">Selecting Nested Data for a Column</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/selecting-multiple-columns-within-nested-data/">Selecting Multiple Columns Within Nested Data</a></li>
+              
+            </ul>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/drill/docs/querying-hive/">Querying Hive</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/drill/docs/querying-the-information-schema/">Querying the INFORMATION SCHEMA</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/drill/docs/querying-system-tables/">Querying System Tables</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/drill/docs/monitoring-and-canceling-queries-in-the-drill-web-console/">Monitoring and Canceling Queries in the Drill Web Console</a></li>
+            
+          
+          </ul>
+        
+      
+        
+          <li class="toctree-l1"><a href="javascript: void(0);">Performance Tuning</a></li>
+          <ul style="display: none">
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/drill/docs/performance-tuning-introduction/">Performance Tuning Introduction</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/drill/docs/partition-pruning/">Partition Pruning</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/drill/docs/optimizing-parquet-metadata-reading/">Optimizing Parquet Metadata Reading</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/drill/docs/choosing-a-storage-format/">Choosing a Storage Format</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a href="javascript: void(0);">Query Plans and Tuning</a></li>
+              <ul style="display: none">
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/query-plans-and-tuning-introduction/">Query Plans and Tuning Introduction</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/join-planning-guidelines/">Join Planning Guidelines</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/guidelines-for-optimizing-aggregation/">Guidelines for Optimizing Aggregation</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/modifying-query-planning-options/">Modifying Query Planning Options</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/sort-based-and-hash-based-memory-constrained-operators/">Sort-Based and Hash-Based Memory-Constrained Operators</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/enabling-query-queuing/">Enabling Query Queuing</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/controlling-parallelization-to-balance-performance-with-multi-tenancy/">Controlling Parallelization to Balance Performance with Multi-Tenancy</a></li>
+              
+            </ul>
+            
+          
+            
+              <li class="toctree-l2"><a href="javascript: void(0);">Identifying Performance Issues</a></li>
+              <ul style="display: none">
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/query-plans/">Query Plans</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/query-profiles/">Query Profiles</a></li>
+              
+            </ul>
+            
+          
+            
+              <li class="toctree-l2"><a href="javascript: void(0);">Performance Tuning Reference</a></li>
+              <ul style="display: none">
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/query-profile-column-descriptions/">Query Profile Column Descriptions</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/physical-operators/">Physical Operators</a></li>
+              
+            </ul>
+            
+          
+          </ul>
+        
+      
+        
+          <li class="toctree-l1"><a href="javascript: void(0);">Log and Debug</a></li>
+          <ul style="display: none">
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/drill/docs/log-and-debug-introduction/">Log and Debug Introduction</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/drill/docs/error-messages/">Error Messages</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/drill/docs/modify-logback-xml/">Modify logback.xml</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/drill/docs/review-the-java-stack-trace/">Review the Java Stack Trace</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/drill/docs/query-audit-logging/">Query Audit Logging</a></li>
+            
+          
+          </ul>
+        
+      
+        
+          <li class="toctree-l1"><a href="javascript: void(0);">SQL Reference</a></li>
+          <ul style="display: none">
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/drill/docs/sql-reference-introduction/">SQL Reference Introduction</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a href="javascript: void(0);">Data Types</a></li>
+              <ul style="display: none">
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/supported-data-types/">Supported Data Types</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/date-time-and-timestamp/">Date, Time, and Timestamp</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/handling-different-data-types/">Handling Different Data Types</a></li>
+              
+            </ul>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/drill/docs/lexical-structure/">Lexical Structure</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/drill/docs/operators/">Operators</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a href="javascript: void(0);">SQL Functions</a></li>
+              <ul style="display: none">
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/about-sql-function-examples/">About SQL Function Examples</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/math-and-trig/">Math and Trig</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/data-type-conversion/">Data Type Conversion</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/date-time-functions-and-arithmetic/">Date/Time Functions and Arithmetic</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/string-manipulation/">String Manipulation</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/aggregate-and-aggregate-statistical/">Aggregate and Aggregate Statistical</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/functions-for-handling-nulls/">Functions for Handling Nulls</a></li>
+              
+            </ul>
+            
+          
+            
+              <li class="toctree-l2"><a href="javascript: void(0);">SQL Window Functions</a></li>
+              <ul style="display: none">
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/sql-window-functions-introduction/">SQL Window Functions Introduction</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/aggregate-window-functions/">Aggregate Window Functions</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/ranking-window-functions/">Ranking Window Functions</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/value-window-functions/">Value Window Functions</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/sql-window-functions-examples/">SQL Window Functions Examples</a></li>
+              
+            </ul>
+            
+          
+            
+              <li class="toctree-l2"><a href="javascript: void(0);">Nested Data Functions</a></li>
+              <ul style="display: none">
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/nested-data-limitations/">Nested Data Limitations</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/flatten/">FLATTEN</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/kvgen/">KVGEN</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/repeated-count/">REPEATED_COUNT</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/repeated-contains/">REPEATED_CONTAINS</a></li>
+              
+            </ul>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/drill/docs/query-directory-functions/">Query Directory Functions</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a href="javascript: void(0);">SQL Commands</a></li>
+              <ul style="display: none">
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/supported-sql-commands/">Supported SQL Commands</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/alter-session/">ALTER SESSION</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/alter-system/">ALTER SYSTEM</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/create-table-as-ctas/">CREATE TABLE AS (CTAS)</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/partition-by-clause/">PARTITION BY Clause</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/create-view/">CREATE VIEW</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/describe/">DESCRIBE</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/drop-table/">DROP TABLE</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/drop-view/">DROP VIEW</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/explain/">EXPLAIN</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/select/">SELECT</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/select-list/">SELECT List</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/from-clause/">FROM Clause</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/group-by-clause/">GROUP BY Clause</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/having-clause/">HAVING Clause</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/limit-clause/">LIMIT Clause</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/offset-clause/">OFFSET Clause</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/order-by-clause/">ORDER BY Clause</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/union-set-operator/">UNION Set Operator</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/where-clause/">WHERE Clause</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/with-clause/">WITH Clause</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/show-databases-and-show-schemas/">SHOW DATABASES and SHOW SCHEMAS</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/show-files/">SHOW FILES</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/show-tables/">SHOW TABLES</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/use/">USE</a></li>
+              
+            </ul>
+            
+          
+            
+              <li class="toctree-l2"><a href="javascript: void(0);">SQL Conditional Expressions</a></li>
+              <ul style="display: none">
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/case/">CASE</a></li>
+              
+            </ul>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/drill/docs/reserved-keywords/">Reserved Keywords</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/drill/docs/sql-extensions/">SQL Extensions</a></li>
+            
+          
+          </ul>
+        
+      
+        
+          <li class="toctree-l1"><a href="javascript: void(0);">Data Sources and File Formats</a></li>
+          <ul style="display: none">
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/drill/docs/data-sources-and-file-formats-introduction/">Data Sources and File Formats Introduction</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/drill/docs/hive-to-drill-data-type-mapping/">Hive-to-Drill Data Type Mapping</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/drill/docs/deploying-and-using-a-hive-udf/">Deploying and Using a Hive UDF</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/drill/docs/parquet-format/">Parquet Format</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/drill/docs/json-data-model/">JSON Data Model</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/drill/docs/text-files-csv-tsv-psv/">Text Files: CSV, TSV, PSV</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/drill/docs/sequence-files/">Sequence Files</a></li>
+            
+          
+          </ul>
+        
+      
+        
+          <li class="toctree-l1"><a href="javascript: void(0);">Develop Custom Functions</a></li>
+          <ul style="display: none">
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/drill/docs/develop-custom-functions-introduction/">Develop Custom Functions Introduction</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/drill/docs/developing-a-simple-function/">Developing a Simple Function</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/drill/docs/tutorial-develop-a-simple-function/">Tutorial: Develop a Simple Function</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/drill/docs/developing-an-aggregate-function/">Developing an Aggregate Function</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/drill/docs/adding-custom-functions-to-drill/">Adding Custom Functions to Drill</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/drill/docs/using-custom-functions-in-queries/">Using Custom Functions in Queries</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/drill/docs/custom-function-interfaces/">Custom Function Interfaces</a></li>
+            
+          
+          </ul>
+        
+      
+        
+          <li class="toctree-l1"><a class="reference internal" href="/drill/docs/troubleshooting/">Troubleshooting</a></li>
+        
+      
+        
+          <li class="toctree-l1"><a href="javascript: void(0);">Developer Information</a></li>
+          <ul style="display: none">
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/drill/docs/rest-api/">REST API</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a href="javascript: void(0);">Develop Drill</a></li>
+              <ul style="display: none">
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/compiling-drill-from-source/">Compiling Drill from Source</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/drill-patch-review-tool/">Drill Patch Review Tool</a></li>
+              
+            </ul>
+            
+          
+            
+              <li class="toctree-l2"><a href="javascript: void(0);">Contribute to Drill</a></li>
+              <ul style="display: none">
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/apache-drill-contribution-guidelines/">Apache Drill Contribution Guidelines</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/apache-drill-contribution-ideas/">Apache Drill Contribution Ideas</a></li>
+              
+            </ul>
+            
+          
+            
+              <li class="toctree-l2"><a href="javascript: void(0);">Design Docs</a></li>
+              <ul style="display: none">
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/drill-plan-syntax/">Drill Plan Syntax</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/rpc-overview/">RPC Overview</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/query-stages/">Query Stages</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/useful-research/">Useful Research</a></li>
+              
+                <li class="toctree-l3"><a class="reference internal" href="/drill/docs/value-vectors/">Value Vectors</a></li>
+              
+            </ul>
+            
+          
+          </ul>
+        
+      
+        
+          <li class="toctree-l1 current_section "><a href="javascript: void(0);">Release Notes</a></li>
+          <ul class="current_section">
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/drill/docs/apache-drill-1-3-0-release-notes/">Apache Drill 1.3.0 Release Notes</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/drill/docs/apache-drill-1-2-0-release-notes/">Apache Drill 1.2.0 Release Notes</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/drill/docs/apache-drill-1-1-0-release-notes/">Apache Drill 1.1.0 Release Notes</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/drill/docs/apache-drill-1-0-0-release-notes/">Apache Drill 1.0.0 Release Notes</a></li>
+            
+          
+            
+              <li class="toctree-l2 current"><a class="reference internal" href="/drill/docs/apache-drill-0-9-0-release-notes/">Apache Drill 0.9.0 Release Notes</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/drill/docs/apache-drill-0-8-0-release-notes/">Apache Drill 0.8.0 Release Notes</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/drill/docs/apache-drill-0-7-0-release-notes/">Apache Drill 0.7.0 Release Notes</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/drill/docs/apache-drill-0-6-0-release-notes/">Apache Drill 0.6.0 Release Notes</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/drill/docs/apache-drill-m1-release-notes-apache-drill-alpha/">Apache Drill M1 Release Notes (Apache Drill Alpha)</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/drill/docs/apache-drill-m1-release-notes-apache-drill-alpha/">Apache Drill M1 Release Notes (Apache Drill Alpha)</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/drill/docs/apache-drill-0-5-0-release-notes/">Apache Drill 0.5.0 Release Notes</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/drill/docs/apache-drill-0-4-0-release-notes/">Apache Drill 0.4.0 Release Notes</a></li>
+            
+          
+          </ul>
+        
+      
+        
+          <li class="toctree-l1"><a href="javascript: void(0);">Sample Datasets</a></li>
+          <ul style="display: none">
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/drill/docs/aol-search/">AOL Search</a></li>
+            
+          
+            
+              <li class="toctree-l2"><a class="reference internal" href="/drill/docs/enron-emails/">Enron Emails</a></li>
+            
+          
+            
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+      <h1>Apache Drill 0.9.0 Release Notes</h1>
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+        <p>It has been about a month since the release of Drill 0.8, which included <a href="/drill/blog/drill-0.8-released/">more than 240 improvements</a>. Today we&#39;re happy to announce the availability of Drill 0.9, providing additional enhancements and bug fixes. In fact, this release includes <a href="https://issues.apache.org/jira/secure/ReleaseNote.jspa?projectId=12313820&amp;version=12328813">200 resolved JIRAs</a>. Some of the noteworthy features in Drill 0.9 are:</p>
+
+<ul>
+<li><strong>Authentication</strong> (<a href="https://issues.apache.org/jira/browse/DRILL-2674">DRILL-2674</a>). Drill now supports username/password authentication through the Java and C++ clients, as well as JDBC and ODBC. On the server-side, Drill leverages Linux PAM to securely validate the credentials. Users can choose to use an external user directory such as Active Directory or LDAP. To enable authentication, set the <code>security.user.auth</code> option in <code>drill-override.conf</code>.</li>
+<li><strong>Impersonation</strong> (<a href="https://issues.apache.org/jira/browse/DRILL-2363">DRILL-2363</a>). Queries now execute and access resources using the identity of the user who submitted the query. Previously, all queries would run as the same user (eg, <code>drill</code>). With the new impersonation capability, the query will fail if the submitting user does not have permission to read the requested file(s) in the distributed file system. To enable impersonation, set the <code>drill.exec.impersonation</code> option in <code>drill-override.conf</code>.</li>
+<li><strong>Ownership chaining</strong>. Drill now allows views with different owners to be chained. This represents a very flexible access control solution. For example, an administrator with access to raw, sensitive data could create a view called <code>masked</code> which would expose only a subset of the data to other users. The administrator would enable users to read the <code>masked</code> view but not the raw data. Note that Drill provides an option <code>max_chained_user_hops</code> that specifies how many ownership changed are allowed in a chain, thereby providing administrators (or data stewards) more control over sharing of data.</li>
+<li><strong>MongoDB authentication</strong> (<a href="https://issues.apache.org/jira/browse/DRILL-1502">DRILL-1502</a>). Drill can now connect to a MongoDB cluster that requires authentication.</li>
+<li><strong>Extended JSON datatypes</strong>. Our friends at MongoDB invented <a href="http://docs.mongodb.org/manual/reference/mongodb-extended-json/">extended JSON</a> - a set of extensions to the JSON format for supporting additional data types. We decided to embrace extended JSON in Drill. For example, standard JSON doesn&#39;t have a time type, so a time could be represented as either a string or a number: <code>{&quot;foo&quot;: &quot;19:20:30.450Z&quot;}</code> is just a string. With extended JSON, the <code>$time</code> qualifier can be used to specify that <code>foo</code> is a time <code>{&quot;foo&quot;: {&quot;$time&quot;: &quot;19:20:30.450Z&quot;}}</code>.
+We now support a number of qualifiers including <code>$bin</code>, <code>$date</code>, <code>$time</code>, <code>$interval</code>, <code>$numberLong</code> and <code>$dateDay</code> (see <a href="https://github.com/apache/drill/blob/master/exec/java-exec/src/test/resources/vector/complex/extended.json">the example</a>). We&#39;re in the process of adding some additional qualifiers to make sure that all of MongoDB&#39;s extended types are supported (this is particularly important when querying data in MongoDB).</li>
+<li><strong>Avro support</strong> (<a href="https://issues.apache.org/jira/browse/DRILL-1512">DRILL-1512</a>). Drill can now read Avro files. This patch was contributed by Andrew Selden at Elastic.co (formerly known as Elasticsearch).</li>
+<li><strong>Improved error messages</strong> (<a href="https://issues.apache.org/jira/browse/DRILL-2675">DRILL-2675</a> and more). It can be challenging for a complex distributed system like Drill to translate low-level internal conditions into actionable messages to the user. This release includes several enhancements that enable Drill to accomplish just that in a variety of cases.</li>
+<li><strong>Parquet and Calcite enhancements</strong> (<a href="https://issues.apache.org/jira/browse/DRILL-1410">DRILL-1410</a> and <a href="https://issues.apache.org/jira/browse/DRILL-1384">DRILL-1384</a>). Drill isn&#39;t a traditional query engine - it&#39;s the first analytical query engine with a JSON data model. This has required us to enhance Parquet (our columnar format) and Calcite (our SQL parser). These enhancements have now been contributed back to those projects, and Drill is using the latest versions which include these enhancements.</li>
+<li><p><strong>New sys tables for memory and thread information</strong> (<a href="https://issues.apache.org/jira/browse/DRILL-2275">DRILL-2275</a>). Drill includes two new <code>sys</code> tables that provide real-time metrics about memory utilization and threads on each of the nodes in the cluster. You can run a simple <code>SELECT *</code> to see what information is available:</p>
+<div class="highlight"><pre><code class="language-sql" data-lang="sql"><span class="k">SELECT</span> <span class="o">*</span> <span class="k">FROM</span> <span class="n">sys</span><span class="p">.</span><span class="n">drillmemory</span><span class="p">;</span>
+<span class="k">SELECT</span> <span class="o">*</span> <span class="k">FROM</span> <span class="n">sys</span><span class="p">.</span><span class="n">drillbitthreads</span><span class="p">;</span>
+</code></pre></div></li>
+<li><p><strong>Support for very wide tables</strong> (<a href="https://issues.apache.org/jira/browse/DRILL-2739">DRILL-2739</a>). Drill previously had some issues with tables that had more than 4095 colums. This limitation has been addressed.</p></li>
+</ul>
+
+<p>You can now <a href="/drill/download/">download Drill 0.9</a>. As always, you can check out the official <a href="/drill/docs/release-notes/">release notes</a> for more details.</p>
+
+<p>We&#39;re gearing up for Drill&#39;s 1.0 release later this month. Stay tuned!</p>
+
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+  <span class="previous-toc"><a href="/drill/docs/apache-drill-1-0-0-release-notes/">← Apache Drill 1.0.0 Release Notes</a></span><span class="next-toc"><a href="/drill/docs/apache-drill-0-8-0-release-notes/">Apache Drill 0.8.0 Release Notes →</a></span>
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