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Posted to commits@drill.apache.org by ts...@apache.org on 2015/05/20 08:09:04 UTC
[15/21] drill-site git commit: Doc changes
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+ <li class="toctree-l2"><a href="javascript: void(0);">Installing Drill in Distributed Mode</a></li>
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+ <li class="toctree-l1"><a href="javascript: void(0);">Configure Drill</a></li>
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+ <li class="toctree-l2"><a class="reference internal" href="/docs/configuring-drill-memory/">Configuring Drill Memory</a></li>
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+ <li class="toctree-l2"><a href="javascript: void(0);">Configuring a Multitenant Cluster</a></li>
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+ <li class="toctree-l3"><a class="reference internal" href="/docs/configuring-resources-for-a-shared-drillbit/">Configuring Resources for a Shared Drillbit</a></li>
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+ <li class="toctree-l2"><a class="reference internal" href="/docs/configuring-user-impersonation/">Configuring User Impersonation</a></li>
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+ <li class="toctree-l3"><a class="reference internal" href="/docs/start-up-options/">Start-Up Options</a></li>
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+ <li class="toctree-l3"><a class="reference internal" href="/docs/planning-and-execution-options/">Planning and Execution Options</a></li>
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+ <li class="toctree-l3"><a class="reference internal" href="/docs/persistent-configuration-storage/">Persistent Configuration Storage</a></li>
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+ <li class="toctree-l2"><a href="javascript: void(0);">Using ODBC on Linux and Mac OS X</a></li>
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+ <li class="toctree-l3"><a class="reference internal" href="/docs/odbc-on-linux-and-mac-introduction/">ODBC on Linux and Mac Introduction</a></li>
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+ <li class="toctree-l3"><a class="reference internal" href="/docs/installing-the-driver-on-linux/">Installing the Driver on Linux</a></li>
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+ <li class="toctree-l3"><a class="reference internal" href="/docs/installing-the-driver-on-mac-os-x/">Installing the Driver on Mac OS X</a></li>
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+ <li class="toctree-l3"><a class="reference internal" href="/docs/configuring-connections-on-linux-and-mac-os-x/">Configuring Connections on Linux and Mac OS X</a></li>
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+ <li class="toctree-l3"><a class="reference internal" href="/docs/driver-configuration-options/">Driver Configuration Options</a></li>
+
+ <li class="toctree-l3"><a class="reference internal" href="/docs/using-a-connection-string/">Using a Connection String</a></li>
+
+ <li class="toctree-l3"><a class="reference internal" href="/docs/advanced-properties/">Advanced Properties</a></li>
+
+ <li class="toctree-l3"><a class="reference internal" href="/docs/testing-the-odbc-connection/">Testing the ODBC Connection</a></li>
+
+ </ul>
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+
+
+ <li class="toctree-l2"><a href="javascript: void(0);">Using ODBC on Windows</a></li>
+ <ul style="display: none">
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+ <li class="toctree-l3"><a class="reference internal" href="/docs/installing-the-driver-on-windows/">Installing the Driver on Windows</a></li>
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+ <li class="toctree-l3"><a class="reference internal" href="/docs/configuring-connections-on-windows/">Configuring Connections on Windows</a></li>
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+ <li class="toctree-l3"><a class="reference internal" href="/docs/connecting-to-odbc-data-sources/">Connecting to ODBC Data Sources</a></li>
+
+ <li class="toctree-l3"><a class="reference internal" href="/docs/tableau-examples/">Tableau Examples</a></li>
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+ <li class="toctree-l3"><a class="reference internal" href="/docs/using-drill-explorer-on-windows/">Using Drill Explorer on Windows</a></li>
+
+ </ul>
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+
+
+ <li class="toctree-l2"><a class="reference internal" href="/docs/using-microstrategy-analytics-with-apache-drill/">Using MicroStrategy Analytics with Apache Drill</a></li>
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+ <li class="toctree-l2"><a class="reference internal" href="/docs/using-tibco-spotfire-with-drill/">Using Tibco Spotfire with Drill</a></li>
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+ <li class="toctree-l2"><a class="reference internal" href="/docs/configuring-tibco-spotfire-server-with-drill/">Configuring Tibco Spotfire Server with Drill</a></li>
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+ <li class="toctree-l2"><a class="reference internal" href="/docs/using-apache-drill-with-tableau-9-desktop/">Using Apache Drill with Tableau 9 Desktop</a></li>
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+ <li class="toctree-l2"><a class="reference internal" href="/docs/using-apache-drill-with-tableau-9-server/">Using Apache Drill with Tableau 9 Server</a></li>
+
+
+ </ul>
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+
+
+ <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="/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="/docs/querying-a-file-system-introduction/">Querying a File System Introduction</a></li>
+
+ <li class="toctree-l3"><a class="reference internal" href="/docs/querying-json-files/">Querying JSON Files</a></li>
+
+ <li class="toctree-l3"><a class="reference internal" href="/docs/querying-parquet-files/">Querying Parquet Files</a></li>
+
+ <li class="toctree-l3"><a class="reference internal" href="/docs/querying-plain-text-files/">Querying Plain Text Files</a></li>
+
+ <li class="toctree-l3"><a class="reference internal" href="/docs/querying-directories/">Querying Directories</a></li>
+
+ </ul>
+
+
+
+ <li class="toctree-l2"><a class="reference internal" href="/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="/docs/querying-complex-data-introduction/">Querying Complex Data Introduction</a></li>
+
+ <li class="toctree-l3"><a class="reference internal" href="/docs/sample-data-donuts/">Sample Data: Donuts</a></li>
+
+ <li class="toctree-l3"><a class="reference internal" href="/docs/selecting-flat-data/">Selecting Flat Data</a></li>
+
+ <li class="toctree-l3"><a class="reference internal" href="/docs/using-sql-functions-clauses-and-joins/">Using SQL Functions, Clauses, and Joins</a></li>
+
+ <li class="toctree-l3"><a class="reference internal" href="/docs/selecting-nested-data-for-a-column/">Selecting Nested Data for a Column</a></li>
+
+ <li class="toctree-l3"><a class="reference internal" href="/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="/docs/querying-hive/">Querying Hive</a></li>
+
+
+
+ <li class="toctree-l2"><a class="reference internal" href="/docs/querying-the-information-schema/">Querying the INFORMATION SCHEMA</a></li>
+
+
+
+ <li class="toctree-l2"><a class="reference internal" href="/docs/querying-system-tables/">Querying System Tables</a></li>
+
+
+
+ <li class="toctree-l2"><a class="reference internal" href="/docs/monitoring-and-canceling-queries-in-the-drill-web-ui/">Monitoring and Canceling Queries in the Drill Web UI</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="/docs/performance-tuning-introduction/">Performance Tuning Introduction</a></li>
+
+
+
+ <li class="toctree-l2"><a class="reference internal" href="/docs/partition-pruning/">Partition Pruning</a></li>
+
+
+
+ <li class="toctree-l2"><a class="reference internal" href="/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="/docs/query-plans-and-tuning-introduction/">Query Plans and Tuning Introduction</a></li>
+
+ <li class="toctree-l3"><a class="reference internal" href="/docs/join-planning-guidelines/">Join Planning Guidelines</a></li>
+
+ <li class="toctree-l3"><a class="reference internal" href="/docs/guidelines-for-optimizing-aggregation/">Guidelines for Optimizing Aggregation</a></li>
+
+ <li class="toctree-l3"><a class="reference internal" href="/docs/modifying-query-planning-options/">Modifying Query Planning Options</a></li>
+
+ <li class="toctree-l3"><a class="reference internal" href="/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="/docs/enabling-query-queuing/">Enabling Query Queuing</a></li>
+
+ <li class="toctree-l3"><a class="reference internal" href="/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="/docs/query-plans/">Query Plans</a></li>
+
+ <li class="toctree-l3"><a class="reference internal" href="/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="/docs/query-profile-column-descriptions/">Query Profile Column Descriptions</a></li>
+
+ <li class="toctree-l3"><a class="reference internal" href="/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="/docs/log-and-debug-introduction/">Log and Debug Introduction</a></li>
+
+
+
+ <li class="toctree-l2"><a class="reference internal" href="/docs/error-messages/">Error Messages</a></li>
+
+
+
+ <li class="toctree-l2"><a class="reference internal" href="/docs/modify-logback-xml/">Modify logback.xml</a></li>
+
+
+
+ <li class="toctree-l2"><a class="reference internal" href="/docs/review-the-java-stack-trace/">Review the Java Stack Trace</a></li>
+
+
+ </ul>
+
+
+
+ <li class="toctree-l1"><a href="javascript: void(0);">Query Audit Logging</a></li>
+ <ul style="display: none">
+
+
+ <li class="toctree-l2"><a class="reference internal" href="/docs/getting-query-information/">Getting Query Information</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="/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="/docs/supported-data-types/">Supported Data Types</a></li>
+
+ <li class="toctree-l3"><a class="reference internal" href="/docs/date-time-and-timestamp/">Date, Time, and Timestamp</a></li>
+
+ <li class="toctree-l3"><a class="reference internal" href="/docs/handling-different-data-types/">Handling Different Data Types</a></li>
+
+ </ul>
+
+
+
+ <li class="toctree-l2"><a class="reference internal" href="/docs/lexical-structure/">Lexical Structure</a></li>
+
+
+
+ <li class="toctree-l2"><a class="reference internal" href="/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="/docs/about-sql-function-examples/">About SQL Function Examples</a></li>
+
+ <li class="toctree-l3"><a class="reference internal" href="/docs/math-and-trig/">Math and Trig</a></li>
+
+ <li class="toctree-l3"><a class="reference internal" href="/docs/data-type-conversion/">Data Type Conversion</a></li>
+
+ <li class="toctree-l3"><a class="reference internal" href="/docs/date-time-functions-and-arithmetic/">Date/Time Functions and Arithmetic</a></li>
+
+ <li class="toctree-l3"><a class="reference internal" href="/docs/string-manipulation/">String Manipulation</a></li>
+
+ <li class="toctree-l3"><a class="reference internal" href="/docs/aggregate-and-aggregate-statistical/">Aggregate and Aggregate Statistical</a></li>
+
+ <li class="toctree-l3"><a class="reference internal" href="/docs/functions-for-handling-nulls/">Functions for Handling Nulls</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="/docs/nested-data-limitations/">Nested Data Limitations</a></li>
+
+ <li class="toctree-l3"><a class="reference internal" href="/docs/flatten/">FLATTEN</a></li>
+
+ <li class="toctree-l3"><a class="reference internal" href="/docs/kvgen/">KVGEN</a></li>
+
+ <li class="toctree-l3"><a class="reference internal" href="/docs/repeated-count/">REPEATED_COUNT</a></li>
+
+ <li class="toctree-l3"><a class="reference internal" href="/docs/repeated-contains/">REPEATED_CONTAINS</a></li>
+
+ </ul>
+
+
+
+ <li class="toctree-l2"><a class="reference internal" href="/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="/docs/supported-sql-commands/">Supported SQL Commands</a></li>
+
+ <li class="toctree-l3"><a class="reference internal" href="/docs/alter-session/">ALTER SESSION</a></li>
+
+ <li class="toctree-l3"><a class="reference internal" href="/docs/alter-system/">ALTER SYSTEM</a></li>
+
+ <li class="toctree-l3"><a class="reference internal" href="/docs/create-table-as-ctas/">CREATE TABLE AS (CTAS)</a></li>
+
+ <li class="toctree-l3"><a class="reference internal" href="/docs/create-view/">CREATE VIEW</a></li>
+
+ <li class="toctree-l3"><a class="reference internal" href="/docs/drop-view/">DROP VIEW</a></li>
+
+ <li class="toctree-l3"><a class="reference internal" href="/docs/describe/">DESCRIBE</a></li>
+
+ <li class="toctree-l3"><a class="reference internal" href="/docs/explain/">EXPLAIN</a></li>
+
+ <li class="toctree-l3"><a class="reference internal" href="/docs/select/">SELECT</a></li>
+
+ <li class="toctree-l3"><a class="reference internal" href="/docs/select-from/">SELECT FROM</a></li>
+
+ <li class="toctree-l3"><a class="reference internal" href="/docs/select-group-by/">SELECT GROUP BY</a></li>
+
+ <li class="toctree-l3"><a class="reference internal" href="/docs/select-having/">SELECT HAVING</a></li>
+
+ <li class="toctree-l3"><a class="reference internal" href="/docs/select-limit/">SELECT LIMIT</a></li>
+
+ <li class="toctree-l3"><a class="reference internal" href="/docs/select-offset/">SELECT OFFSET</a></li>
+
+ <li class="toctree-l3"><a class="reference internal" href="/docs/select-order-by/">SELECT ORDER BY</a></li>
+
+ <li class="toctree-l3"><a class="reference internal" href="/docs/select-union/">SELECT UNION</a></li>
+
+ <li class="toctree-l3"><a class="reference internal" href="/docs/select-where/">SELECT WHERE</a></li>
+
+ <li class="toctree-l3"><a class="reference internal" href="/docs/select-with/">SELECT WITH</a></li>
+
+ <li class="toctree-l3"><a class="reference internal" href="/docs/show-databases-and-show-schemas/">SHOW DATABASES and SHOW SCHEMAS</a></li>
+
+ <li class="toctree-l3"><a class="reference internal" href="/docs/show-files/">SHOW FILES</a></li>
+
+ <li class="toctree-l3"><a class="reference internal" href="/docs/show-tables/">SHOW TABLES</a></li>
+
+ <li class="toctree-l3"><a class="reference internal" href="/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="/docs/case/">CASE</a></li>
+
+ </ul>
+
+
+
+ <li class="toctree-l2"><a class="reference internal" href="/docs/reserved-keywords/">Reserved Keywords</a></li>
+
+
+
+ <li class="toctree-l2"><a class="reference internal" href="/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="/docs/data-sources-and-file-formats-introduction/">Data Sources and File Formats Introduction</a></li>
+
+
+
+ <li class="toctree-l2"><a class="reference internal" href="/docs/hive-to-drill-data-type-mapping/">Hive-to-Drill Data Type Mapping</a></li>
+
+
+
+ <li class="toctree-l2"><a class="reference internal" href="/docs/deploying-and-using-a-hive-udf/">Deploying and Using a Hive UDF</a></li>
+
+
+
+ <li class="toctree-l2"><a class="reference internal" href="/docs/parquet-format/">Parquet Format</a></li>
+
+
+
+ <li class="toctree-l2"><a class="reference internal" href="/docs/json-data-model/">JSON Data Model</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="/docs/develop-custom-functions-introduction/">Develop Custom Functions Introduction</a></li>
+
+
+
+ <li class="toctree-l2"><a class="reference internal" href="/docs/develop-a-simple-function/">Develop a Simple Function</a></li>
+
+
+
+ <li class="toctree-l2"><a class="reference internal" href="/docs/developing-an-aggregate-function/">Developing an Aggregate Function</a></li>
+
+
+
+ <li class="toctree-l2"><a class="reference internal" href="/docs/adding-custom-functions-to-drill/">Adding Custom Functions to Drill</a></li>
+
+
+
+ <li class="toctree-l2"><a class="reference internal" href="/docs/using-custom-functions-in-queries/">Using Custom Functions in Queries</a></li>
+
+
+
+ <li class="toctree-l2"><a class="reference internal" href="/docs/custom-function-interfaces/">Custom Function Interfaces</a></li>
+
+
+ </ul>
+
+
+
+ <li class="toctree-l1"><a class="reference internal" href="/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 href="javascript: void(0);">Develop Drill</a></li>
+ <ul style="display: none">
+
+ <li class="toctree-l3"><a class="reference internal" href="/docs/compiling-drill-from-source/">Compiling Drill from Source</a></li>
+
+ <li class="toctree-l3"><a class="reference internal" href="/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="/docs/apache-drill-contribution-guidelines/">Apache Drill Contribution Guidelines</a></li>
+
+ <li class="toctree-l3"><a class="reference internal" href="/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="/docs/drill-plan-syntax/">Drill Plan Syntax</a></li>
+
+ <li class="toctree-l3"><a class="reference internal" href="/docs/rpc-overview/">RPC Overview</a></li>
+
+ <li class="toctree-l3"><a class="reference internal" href="/docs/query-stages/">Query Stages</a></li>
+
+ <li class="toctree-l3"><a class="reference internal" href="/docs/useful-research/">Useful Research</a></li>
+
+ <li class="toctree-l3"><a class="reference internal" href="/docs/value-vectors/">Value Vectors</a></li>
+
+ </ul>
+
+
+ </ul>
+
+
+
+ <li class="toctree-l1"><a href="javascript: void(0);">Release Notes</a></li>
+ <ul style="display: none">
+
+
+ <li class="toctree-l2"><a class="reference internal" href="/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="/docs/apache-drill-0-4-0-release-notes/">Apache Drill 0.4.0 Release Notes</a></li>
+
+
+
+ <li class="toctree-l2"><a class="reference internal" href="/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="/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="/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="/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="/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="/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="/docs/apache-drill-1-0-0-release-notes/">Apache Drill 1.0.0 Release Notes</a></li>
+
+
+ </ul>
+
+
+
+ <li class="toctree-l1"><a href="javascript: void(0);">Sample Datasets</a></li>
+ <ul style="display: none">
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+
+ <li class="toctree-l2"><a class="reference internal" href="/docs/aol-search/">AOL Search</a></li>
+
+
+
+ <li class="toctree-l2"><a class="reference internal" href="/docs/enron-emails/">Enron Emails</a></li>
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+ <li class="toctree-l2"><a class="reference internal" href="/docs/wikipedia-edit-history/">Wikipedia Edit History</a></li>
+
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+
+
+
+ <li class="toctree-l2"><a class="reference internal" href="/docs/what-is-apache-drill/">What is Apache Drill</a></li>
+
+
+
+ <li class="toctree-l2"><a class="reference internal" href="/docs/partition-pruning/">Partition Pruning</a></li>
+
+
+ </ul>
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+ <li class="toctree-l1"><a href="javascript: void(0);">Progress Reports</a></li>
+ <ul style="display: none">
+
+
+ <li class="toctree-l2"><a class="reference internal" href="/docs/2014-q1-drill-report/">2014 Q1 Drill Report</a></li>
+
+
+ </ul>
+
+
+
+ <li class="toctree-l1"><a class="reference internal" href="/docs/project-bylaws/">Project Bylaws</a></li>
+
+
+ </ul>
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+ </div>
+ </div>
+</aside>
+
+
+<nav class="breadcrumbs">
+ <li><a href="/docs/">Docs</a></li>
+
+
+ <li><a href="/docs/architecture/">Architecture</a></li>
+
+ <li>Drill Query Execution</li>
+</nav>
+
+<div class="main-content-wrapper">
+ <div class="main-content">
+
+
+ <a class="edit-link" href="https://github.com/apache/drill/blob/gh-pages/_docs/architecture/015-drill-query-execution.md" target="_blank"><i class="fa fa-pencil-square-o"></i></a>
+
+
+ <div class="int_title left">
+ <h1>Drill Query Execution</h1>
+
+ </div>
+
+ <link href="/css/docpage.css" rel="stylesheet" type="text/css">
+
+ <div class="int_text" align="left">
+
+ <p>When you submit a Drill query, a client or an application sends the query in the form of an SQL statement to a Drillbit in the Drill cluster. A Drillbit is the process running on each active Drill node that coordinates, plans, and executes queries, as well as distributes query work across the cluster to maximize data locality.</p>
+
+<p>The following image represents the communication between clients, applications, and Drillbits:</p>
+
+<p><img src="/docs/img/query-flow-client.png" alt=""></p>
+
+<p>The Drillbit that receives the query from a client or application becomes the Foreman for the query and drives the entire query. A parser in the Foreman parses the SQL, applying custom rules to convert specific SQL operators into a specific logical operator syntax that Drill understands. This collection of logical operators forms a logical plan. The logical plan describes the work required to generate the query results and defines what data sources and operations to apply.</p>
+
+<p>The Foreman sends the logical plan into a cost-based optimizer to optimize the order of SQL operators in a statement and read the logical plan. The optimizer applies various types of rules to rearrange operators and functions into an optimal plan. The optimizer converts the logical plan into a physical plan that describes how to execute the query.</p>
+
+<p><img src="/docs/img/client-phys-plan.png" alt=""></p>
+
+<p>A parallelizer in the Foreman transforms the physical plan into multiple phases, called major and minor fragments. These fragments create a multi-level execution tree that rewrites the query and executes it in parallel against the configured data sources, sending the results back to the client or application.</p>
+
+<p><img src="/docs/img/execution-tree.png" alt=""> </p>
+
+<h2 id="major-fragments">Major Fragments</h2>
+
+<p>A major fragment is an abstract concept that represents a phase of the query execution. A phase can consist of one or multiple operations that Drill must perform to execute the query. Drill assigns each major fragment a MajorFragmentID.</p>
+
+<p>For example, to perform a hash aggregation of two files, Drill may create a plan with two major phases (major fragments) where the first phase is dedicated to scanning the two files and the second phase is dedicated to the aggregation of the data. </p>
+
+<p><img src="/docs/img/ex-operator.png" alt=""></p>
+
+<p>Drill separates major fragments by an exchange operator. An exchange is a change in data location and/or parallelization of the physical plan. An exchange is composed of a sender and a receiver to allow data to move between nodes. </p>
+
+<p>Major fragments do not actually perform any query tasks. Each major fragment is divided into one or multiple minor fragments (discussed in the next section) that actually execute the operations required to complete the query and return results back to the client.</p>
+
+<p>You can interact with major fragments within the physical plan by capturing a JSON representation of the plan in a file, manually modifying it, and then submitting it back to Drill using the SUBMIT PLAN command. You can also view major fragments in the query profile, which is visible in the Drill Web UI. See <a href="/docs/explain/">EXPLAIN </a>and <a href="/docs/query-profiles/">Query Profiles</a> for more information.</p>
+
+<h2 id="minor-fragments">Minor Fragments</h2>
+
+<p>Each major fragment is parallelized into minor fragments. A minor fragment is a logical unit of work that runs inside of a thread. A logical unit of work in Drill is also referred to as a slice. The execution plan that Drill creates is composed of minor fragments. Drill assigns each minor fragment a MinorFragmentID. </p>
+
+<p><img src="/docs/img/min-frag.png" alt=""></p>
+
+<p>The parallelizer in the Foreman creates one or more minor fragments from a major fragment at execution time, by breaking a major fragment into as many minor fragments as it can run simultaneously on the cluster.</p>
+
+<p>Drill executes each minor fragment in its own thread as quickly as possible based on its upstream data requirements. Drill schedules the minor fragments on nodes with data locality. Otherwise, Drill schedules them in a round-robin fashion on the existing, available Drillbits.</p>
+
+<p>Minor fragments contain one or more relational operators. An operator performs a relational operation, such as scan, filter, join, or group by. Each operator has a particular operator type and an OperatorID. Each OperatorID defines its relationship within the minor fragment to which it belongs. </p>
+
+<p><img src="/docs/img/operators.png" alt=""></p>
+
+<p>For example, when performing a hash aggregation of two files, Drill breaks the first phase dedicated to scanning into two minor fragments. Each minor fragment contains scan operators that scan the files. Drill breaks the second phase dedicated to aggregation into four minor fragments. Each of the four minor fragments contain hash aggregate operators that perform the hash aggregation operations on the data. </p>
+
+<p>You cannot modify the number of minor fragments within the execution plan. However, you can view the query profile in the Drill Web UI and modify some configuration options that change the behavior of minor fragments, such as the maximum number of slices. See <a href="/docs/configuration-options-introduction/">Configuration Options</a> for more information.</p>
+
+<h3 id="execution-of-minor-fragments">Execution of Minor Fragments</h3>
+
+<p>Minor fragments can run as root, intermediate, or leaf fragments. An execution tree contains only one root fragment. The coordinates of the execution tree are numbered from the root, with the root being zero. Data flows downstream from the leaf fragments to the root fragment.</p>
+
+<p>The root fragment runs in the Foreman and receives incoming queries, reads metadata from tables, rewrites the queries and routes them to the next level in the serving tree. The other fragments become intermediate or leaf fragments. </p>
+
+<p>Intermediate fragments start work when data is available or fed to them from other fragments. They perform operations on the data and then send the data downstream. They also pass the aggregated results to the root fragment, which performs further aggregation and provides the query results to the client or application.</p>
+
+<p>The leaf fragments scan tables in parallel and communicate with the storage layer or access data on local disk. The leaf fragments pass partial results to the intermediate fragments, which perform parallel operations on intermediate results.</p>
+
+<p><img src="/docs/leaf-frag.png" alt=""></p>
+
+<p>Drill only plans queries that have concurrent running fragments. For example, if 20 available slices exist in the cluster, Drill plans a query that runs no more than 20 minor fragments in a particular major fragment. Drill is optimistic and assumes that it can complete all of the work in parallel. All minor fragments for a particular major fragment start at the same time based on their upstream data dependency.</p>
+
+
+
+ <div class="doc-nav">
+
+ <span class="previous-toc"><a href="/docs/architecture-introduction/">← Architecture Introduction</a></span><span class="next-toc"><a href="/docs/core-modules/">Core Modules →</a></span>
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http://git-wip-us.apache.org/repos/asf/drill-site/blob/9833d32c/docs/driver-configuration-options/index.html
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@@ -70,6 +70,8 @@
<li><a href="/docs/develop-custom-functions/">Develop Custom Functions</a></li>
+ <li><a href="/docs/troubleshooting/">Troubleshooting</a></li>
+
<li><a href="/docs/developer-information/">Developer Information</a></li>
<li><a href="/docs/release-notes/">Release Notes</a></li>
@@ -82,8 +84,6 @@
<li><a href="/docs/project-bylaws/">Project Bylaws</a></li>
- <li><a href="/docs/log-and-debug/">Log and Debug</a></li>
-
</ul>
</li>
<li class='nav'>
@@ -150,6 +150,10 @@
+ <li class="toctree-l2"><a class="reference internal" href="/docs/drill-query-execution/">Drill Query Execution</a></li>
+
+
+
<li class="toctree-l2"><a class="reference internal" href="/docs/core-modules/">Core Modules</a></li>
@@ -540,11 +544,41 @@
</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="/docs/query-profile-column-descriptions/">Query Profile Column Descriptions</a></li>
+
+ <li class="toctree-l3"><a class="reference internal" href="/docs/physical-operators/">Physical Operators</a></li>
+
+ </ul>
+
+
</ul>
- <li class="toctree-l1"><a class="reference internal" href="/docs/log-and-debug/">Log and Debug</a></li>
+ <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="/docs/log-and-debug-introduction/">Log and Debug Introduction</a></li>
+
+
+
+ <li class="toctree-l2"><a class="reference internal" href="/docs/error-messages/">Error Messages</a></li>
+
+
+
+ <li class="toctree-l2"><a class="reference internal" href="/docs/modify-logback-xml/">Modify logback.xml</a></li>
+
+
+
+ <li class="toctree-l2"><a class="reference internal" href="/docs/review-the-java-stack-trace/">Review the Java Stack Trace</a></li>
+
+
+ </ul>
@@ -759,6 +793,10 @@
+ <li class="toctree-l1"><a class="reference internal" href="/docs/troubleshooting/">Troubleshooting</a></li>
+
+
+
<li class="toctree-l1"><a href="javascript: void(0);">Developer Information</a></li>
<ul style="display: none">
@@ -840,6 +878,10 @@
<li class="toctree-l2"><a class="reference internal" href="/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="/docs/apache-drill-1-0-0-release-notes/">Apache Drill 1.0.0 Release Notes</a></li>
+
+
</ul>
@@ -896,29 +938,6 @@
<li class="toctree-l1"><a class="reference internal" href="/docs/project-bylaws/">Project Bylaws</a></li>
-
- <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="/docs/log-and-debug-introduction/">Log and Debug Introduction</a></li>
-
-
-
- <li class="toctree-l2"><a class="reference internal" href="/docs/error-messages/">Error Messages</a></li>
-
-
-
- <li class="toctree-l2"><a class="reference internal" href="/docs/modify-logback-xml/">Modify logback.xml</a></li>
-
-
-
- <li class="toctree-l2"><a class="reference internal" href="/docs/review-the-java-stack-trace/">Review the Java Stack Trace</a></li>
-
-
- </ul>
-
-
</ul>
</div>
http://git-wip-us.apache.org/repos/asf/drill-site/blob/9833d32c/docs/drop-view/index.html
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diff --git a/docs/drop-view/index.html b/docs/drop-view/index.html
index a7f26e5..7a3d20c 100644
--- a/docs/drop-view/index.html
+++ b/docs/drop-view/index.html
@@ -70,6 +70,8 @@
<li><a href="/docs/develop-custom-functions/">Develop Custom Functions</a></li>
+ <li><a href="/docs/troubleshooting/">Troubleshooting</a></li>
+
<li><a href="/docs/developer-information/">Developer Information</a></li>
<li><a href="/docs/release-notes/">Release Notes</a></li>
@@ -82,8 +84,6 @@
<li><a href="/docs/project-bylaws/">Project Bylaws</a></li>
- <li><a href="/docs/log-and-debug/">Log and Debug</a></li>
-
</ul>
</li>
<li class='nav'>
@@ -150,6 +150,10 @@
+ <li class="toctree-l2"><a class="reference internal" href="/docs/drill-query-execution/">Drill Query Execution</a></li>
+
+
+
<li class="toctree-l2"><a class="reference internal" href="/docs/core-modules/">Core Modules</a></li>
@@ -540,11 +544,41 @@
</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="/docs/query-profile-column-descriptions/">Query Profile Column Descriptions</a></li>
+
+ <li class="toctree-l3"><a class="reference internal" href="/docs/physical-operators/">Physical Operators</a></li>
+
+ </ul>
+
+
</ul>
- <li class="toctree-l1"><a class="reference internal" href="/docs/log-and-debug/">Log and Debug</a></li>
+ <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="/docs/log-and-debug-introduction/">Log and Debug Introduction</a></li>
+
+
+
+ <li class="toctree-l2"><a class="reference internal" href="/docs/error-messages/">Error Messages</a></li>
+
+
+
+ <li class="toctree-l2"><a class="reference internal" href="/docs/modify-logback-xml/">Modify logback.xml</a></li>
+
+
+
+ <li class="toctree-l2"><a class="reference internal" href="/docs/review-the-java-stack-trace/">Review the Java Stack Trace</a></li>
+
+
+ </ul>
@@ -759,6 +793,10 @@
+ <li class="toctree-l1"><a class="reference internal" href="/docs/troubleshooting/">Troubleshooting</a></li>
+
+
+
<li class="toctree-l1"><a href="javascript: void(0);">Developer Information</a></li>
<ul style="display: none">
@@ -840,6 +878,10 @@
<li class="toctree-l2"><a class="reference internal" href="/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="/docs/apache-drill-1-0-0-release-notes/">Apache Drill 1.0.0 Release Notes</a></li>
+
+
</ul>
@@ -896,29 +938,6 @@
<li class="toctree-l1"><a class="reference internal" href="/docs/project-bylaws/">Project Bylaws</a></li>
-
- <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="/docs/log-and-debug-introduction/">Log and Debug Introduction</a></li>
-
-
-
- <li class="toctree-l2"><a class="reference internal" href="/docs/error-messages/">Error Messages</a></li>
-
-
-
- <li class="toctree-l2"><a class="reference internal" href="/docs/modify-logback-xml/">Modify logback.xml</a></li>
-
-
-
- <li class="toctree-l2"><a class="reference internal" href="/docs/review-the-java-stack-trace/">Review the Java Stack Trace</a></li>
-
-
- </ul>
-
-
</ul>
</div>
http://git-wip-us.apache.org/repos/asf/drill-site/blob/9833d32c/docs/embedded-mode-prerequisites/index.html
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diff --git a/docs/embedded-mode-prerequisites/index.html b/docs/embedded-mode-prerequisites/index.html
index 8518b6b..dd4cc9f 100644
--- a/docs/embedded-mode-prerequisites/index.html
+++ b/docs/embedded-mode-prerequisites/index.html
@@ -70,6 +70,8 @@
<li><a href="/docs/develop-custom-functions/">Develop Custom Functions</a></li>
+ <li><a href="/docs/troubleshooting/">Troubleshooting</a></li>
+
<li><a href="/docs/developer-information/">Developer Information</a></li>
<li><a href="/docs/release-notes/">Release Notes</a></li>
@@ -82,8 +84,6 @@
<li><a href="/docs/project-bylaws/">Project Bylaws</a></li>
- <li><a href="/docs/log-and-debug/">Log and Debug</a></li>
-
</ul>
</li>
<li class='nav'>
@@ -150,6 +150,10 @@
+ <li class="toctree-l2"><a class="reference internal" href="/docs/drill-query-execution/">Drill Query Execution</a></li>
+
+
+
<li class="toctree-l2"><a class="reference internal" href="/docs/core-modules/">Core Modules</a></li>
@@ -540,11 +544,41 @@
</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="/docs/query-profile-column-descriptions/">Query Profile Column Descriptions</a></li>
+
+ <li class="toctree-l3"><a class="reference internal" href="/docs/physical-operators/">Physical Operators</a></li>
+
+ </ul>
+
+
</ul>
- <li class="toctree-l1"><a class="reference internal" href="/docs/log-and-debug/">Log and Debug</a></li>
+ <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="/docs/log-and-debug-introduction/">Log and Debug Introduction</a></li>
+
+
+
+ <li class="toctree-l2"><a class="reference internal" href="/docs/error-messages/">Error Messages</a></li>
+
+
+
+ <li class="toctree-l2"><a class="reference internal" href="/docs/modify-logback-xml/">Modify logback.xml</a></li>
+
+
+
+ <li class="toctree-l2"><a class="reference internal" href="/docs/review-the-java-stack-trace/">Review the Java Stack Trace</a></li>
+
+
+ </ul>
@@ -759,6 +793,10 @@
+ <li class="toctree-l1"><a class="reference internal" href="/docs/troubleshooting/">Troubleshooting</a></li>
+
+
+
<li class="toctree-l1"><a href="javascript: void(0);">Developer Information</a></li>
<ul style="display: none">
@@ -840,6 +878,10 @@
<li class="toctree-l2"><a class="reference internal" href="/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="/docs/apache-drill-1-0-0-release-notes/">Apache Drill 1.0.0 Release Notes</a></li>
+
+
</ul>
@@ -896,29 +938,6 @@
<li class="toctree-l1"><a class="reference internal" href="/docs/project-bylaws/">Project Bylaws</a></li>
-
- <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="/docs/log-and-debug-introduction/">Log and Debug Introduction</a></li>
-
-
-
- <li class="toctree-l2"><a class="reference internal" href="/docs/error-messages/">Error Messages</a></li>
-
-
-
- <li class="toctree-l2"><a class="reference internal" href="/docs/modify-logback-xml/">Modify logback.xml</a></li>
-
-
-
- <li class="toctree-l2"><a class="reference internal" href="/docs/review-the-java-stack-trace/">Review the Java Stack Trace</a></li>
-
-
- </ul>
-
-
</ul>
</div>
http://git-wip-us.apache.org/repos/asf/drill-site/blob/9833d32c/docs/enabling-query-queuing/index.html
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diff --git a/docs/enabling-query-queuing/index.html b/docs/enabling-query-queuing/index.html
index 0a3d2e3..db6e67a 100644
--- a/docs/enabling-query-queuing/index.html
+++ b/docs/enabling-query-queuing/index.html
@@ -70,6 +70,8 @@
<li><a href="/docs/develop-custom-functions/">Develop Custom Functions</a></li>
+ <li><a href="/docs/troubleshooting/">Troubleshooting</a></li>
+
<li><a href="/docs/developer-information/">Developer Information</a></li>
<li><a href="/docs/release-notes/">Release Notes</a></li>
@@ -82,8 +84,6 @@
<li><a href="/docs/project-bylaws/">Project Bylaws</a></li>
- <li><a href="/docs/log-and-debug/">Log and Debug</a></li>
-
</ul>
</li>
<li class='nav'>
@@ -150,6 +150,10 @@
+ <li class="toctree-l2"><a class="reference internal" href="/docs/drill-query-execution/">Drill Query Execution</a></li>
+
+
+
<li class="toctree-l2"><a class="reference internal" href="/docs/core-modules/">Core Modules</a></li>
@@ -540,11 +544,41 @@
</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="/docs/query-profile-column-descriptions/">Query Profile Column Descriptions</a></li>
+
+ <li class="toctree-l3"><a class="reference internal" href="/docs/physical-operators/">Physical Operators</a></li>
+
+ </ul>
+
+
</ul>
- <li class="toctree-l1"><a class="reference internal" href="/docs/log-and-debug/">Log and Debug</a></li>
+ <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="/docs/log-and-debug-introduction/">Log and Debug Introduction</a></li>
+
+
+
+ <li class="toctree-l2"><a class="reference internal" href="/docs/error-messages/">Error Messages</a></li>
+
+
+
+ <li class="toctree-l2"><a class="reference internal" href="/docs/modify-logback-xml/">Modify logback.xml</a></li>
+
+
+
+ <li class="toctree-l2"><a class="reference internal" href="/docs/review-the-java-stack-trace/">Review the Java Stack Trace</a></li>
+
+
+ </ul>
@@ -759,6 +793,10 @@
+ <li class="toctree-l1"><a class="reference internal" href="/docs/troubleshooting/">Troubleshooting</a></li>
+
+
+
<li class="toctree-l1"><a href="javascript: void(0);">Developer Information</a></li>
<ul style="display: none">
@@ -840,6 +878,10 @@
<li class="toctree-l2"><a class="reference internal" href="/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="/docs/apache-drill-1-0-0-release-notes/">Apache Drill 1.0.0 Release Notes</a></li>
+
+
</ul>
@@ -896,29 +938,6 @@
<li class="toctree-l1"><a class="reference internal" href="/docs/project-bylaws/">Project Bylaws</a></li>
-
- <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="/docs/log-and-debug-introduction/">Log and Debug Introduction</a></li>
-
-
-
- <li class="toctree-l2"><a class="reference internal" href="/docs/error-messages/">Error Messages</a></li>
-
-
-
- <li class="toctree-l2"><a class="reference internal" href="/docs/modify-logback-xml/">Modify logback.xml</a></li>
-
-
-
- <li class="toctree-l2"><a class="reference internal" href="/docs/review-the-java-stack-trace/">Review the Java Stack Trace</a></li>
-
-
- </ul>
-
-
</ul>
</div>
http://git-wip-us.apache.org/repos/asf/drill-site/blob/9833d32c/docs/enron-emails/index.html
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diff --git a/docs/enron-emails/index.html b/docs/enron-emails/index.html
index 9fe5572..f14fa1d 100644
--- a/docs/enron-emails/index.html
+++ b/docs/enron-emails/index.html
@@ -70,6 +70,8 @@
<li><a href="/docs/develop-custom-functions/">Develop Custom Functions</a></li>
+ <li><a href="/docs/troubleshooting/">Troubleshooting</a></li>
+
<li><a href="/docs/developer-information/">Developer Information</a></li>
<li><a href="/docs/release-notes/">Release Notes</a></li>
@@ -82,8 +84,6 @@
<li><a href="/docs/project-bylaws/">Project Bylaws</a></li>
- <li><a href="/docs/log-and-debug/">Log and Debug</a></li>
-
</ul>
</li>
<li class='nav'>
@@ -150,6 +150,10 @@
+ <li class="toctree-l2"><a class="reference internal" href="/docs/drill-query-execution/">Drill Query Execution</a></li>
+
+
+
<li class="toctree-l2"><a class="reference internal" href="/docs/core-modules/">Core Modules</a></li>
@@ -540,11 +544,41 @@
</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="/docs/query-profile-column-descriptions/">Query Profile Column Descriptions</a></li>
+
+ <li class="toctree-l3"><a class="reference internal" href="/docs/physical-operators/">Physical Operators</a></li>
+
+ </ul>
+
+
</ul>
- <li class="toctree-l1"><a class="reference internal" href="/docs/log-and-debug/">Log and Debug</a></li>
+ <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="/docs/log-and-debug-introduction/">Log and Debug Introduction</a></li>
+
+
+
+ <li class="toctree-l2"><a class="reference internal" href="/docs/error-messages/">Error Messages</a></li>
+
+
+
+ <li class="toctree-l2"><a class="reference internal" href="/docs/modify-logback-xml/">Modify logback.xml</a></li>
+
+
+
+ <li class="toctree-l2"><a class="reference internal" href="/docs/review-the-java-stack-trace/">Review the Java Stack Trace</a></li>
+
+
+ </ul>
@@ -759,6 +793,10 @@
+ <li class="toctree-l1"><a class="reference internal" href="/docs/troubleshooting/">Troubleshooting</a></li>
+
+
+
<li class="toctree-l1"><a href="javascript: void(0);">Developer Information</a></li>
<ul style="display: none">
@@ -840,6 +878,10 @@
<li class="toctree-l2"><a class="reference internal" href="/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="/docs/apache-drill-1-0-0-release-notes/">Apache Drill 1.0.0 Release Notes</a></li>
+
+
</ul>
@@ -896,29 +938,6 @@
<li class="toctree-l1"><a class="reference internal" href="/docs/project-bylaws/">Project Bylaws</a></li>
-
- <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="/docs/log-and-debug-introduction/">Log and Debug Introduction</a></li>
-
-
-
- <li class="toctree-l2"><a class="reference internal" href="/docs/error-messages/">Error Messages</a></li>
-
-
-
- <li class="toctree-l2"><a class="reference internal" href="/docs/modify-logback-xml/">Modify logback.xml</a></li>
-
-
-
- <li class="toctree-l2"><a class="reference internal" href="/docs/review-the-java-stack-trace/">Review the Java Stack Trace</a></li>
-
-
- </ul>
-
-
</ul>
</div>
http://git-wip-us.apache.org/repos/asf/drill-site/blob/9833d32c/docs/error-messages/index.html
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diff --git a/docs/error-messages/index.html b/docs/error-messages/index.html
index 3c46007..03fc2a9 100644
--- a/docs/error-messages/index.html
+++ b/docs/error-messages/index.html
@@ -70,6 +70,8 @@
<li><a href="/docs/develop-custom-functions/">Develop Custom Functions</a></li>
+ <li><a href="/docs/troubleshooting/">Troubleshooting</a></li>
+
<li><a href="/docs/developer-information/">Developer Information</a></li>
<li><a href="/docs/release-notes/">Release Notes</a></li>
@@ -82,8 +84,6 @@
<li><a href="/docs/project-bylaws/">Project Bylaws</a></li>
- <li><a href="/docs/log-and-debug/">Log and Debug</a></li>
-
</ul>
</li>
<li class='nav'>
@@ -150,6 +150,10 @@
+ <li class="toctree-l2"><a class="reference internal" href="/docs/drill-query-execution/">Drill Query Execution</a></li>
+
+
+
<li class="toctree-l2"><a class="reference internal" href="/docs/core-modules/">Core Modules</a></li>
@@ -540,11 +544,41 @@
</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="/docs/query-profile-column-descriptions/">Query Profile Column Descriptions</a></li>
+
+ <li class="toctree-l3"><a class="reference internal" href="/docs/physical-operators/">Physical Operators</a></li>
+
+ </ul>
+
+
</ul>
- <li class="toctree-l1"><a class="reference internal" href="/docs/log-and-debug/">Log and Debug</a></li>
+ <li class="toctree-l1 current_section "><a href="javascript: void(0);">Log and Debug</a></li>
+ <ul class="current_section">
+
+
+ <li class="toctree-l2"><a class="reference internal" href="/docs/log-and-debug-introduction/">Log and Debug Introduction</a></li>
+
+
+
+ <li class="toctree-l2 current"><a class="reference internal" href="/docs/error-messages/">Error Messages</a></li>
+
+
+
+ <li class="toctree-l2"><a class="reference internal" href="/docs/modify-logback-xml/">Modify logback.xml</a></li>
+
+
+
+ <li class="toctree-l2"><a class="reference internal" href="/docs/review-the-java-stack-trace/">Review the Java Stack Trace</a></li>
+
+
+ </ul>
@@ -759,6 +793,10 @@
+ <li class="toctree-l1"><a class="reference internal" href="/docs/troubleshooting/">Troubleshooting</a></li>
+
+
+
<li class="toctree-l1"><a href="javascript: void(0);">Developer Information</a></li>
<ul style="display: none">
@@ -840,6 +878,10 @@
<li class="toctree-l2"><a class="reference internal" href="/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="/docs/apache-drill-1-0-0-release-notes/">Apache Drill 1.0.0 Release Notes</a></li>
+
+
</ul>
@@ -896,29 +938,6 @@
<li class="toctree-l1"><a class="reference internal" href="/docs/project-bylaws/">Project Bylaws</a></li>
-
- <li class="toctree-l1 current_section "><a href="javascript: void(0);">Log and Debug</a></li>
- <ul class="current_section">
-
-
- <li class="toctree-l2"><a class="reference internal" href="/docs/log-and-debug-introduction/">Log and Debug Introduction</a></li>
-
-
-
- <li class="toctree-l2 current"><a class="reference internal" href="/docs/error-messages/">Error Messages</a></li>
-
-
-
- <li class="toctree-l2"><a class="reference internal" href="/docs/modify-logback-xml/">Modify logback.xml</a></li>
-
-
-
- <li class="toctree-l2"><a class="reference internal" href="/docs/review-the-java-stack-trace/">Review the Java Stack Trace</a></li>
-
-
- </ul>
-
-
</ul>
</div>
http://git-wip-us.apache.org/repos/asf/drill-site/blob/9833d32c/docs/explain/index.html
----------------------------------------------------------------------
diff --git a/docs/explain/index.html b/docs/explain/index.html
index ce19deb..8d07967 100644
--- a/docs/explain/index.html
+++ b/docs/explain/index.html
@@ -70,6 +70,8 @@
<li><a href="/docs/develop-custom-functions/">Develop Custom Functions</a></li>
+ <li><a href="/docs/troubleshooting/">Troubleshooting</a></li>
+
<li><a href="/docs/developer-information/">Developer Information</a></li>
<li><a href="/docs/release-notes/">Release Notes</a></li>
@@ -82,8 +84,6 @@
<li><a href="/docs/project-bylaws/">Project Bylaws</a></li>
- <li><a href="/docs/log-and-debug/">Log and Debug</a></li>
-
</ul>
</li>
<li class='nav'>
@@ -150,6 +150,10 @@
+ <li class="toctree-l2"><a class="reference internal" href="/docs/drill-query-execution/">Drill Query Execution</a></li>
+
+
+
<li class="toctree-l2"><a class="reference internal" href="/docs/core-modules/">Core Modules</a></li>
@@ -540,11 +544,41 @@
</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="/docs/query-profile-column-descriptions/">Query Profile Column Descriptions</a></li>
+
+ <li class="toctree-l3"><a class="reference internal" href="/docs/physical-operators/">Physical Operators</a></li>
+
+ </ul>
+
+
</ul>
- <li class="toctree-l1"><a class="reference internal" href="/docs/log-and-debug/">Log and Debug</a></li>
+ <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="/docs/log-and-debug-introduction/">Log and Debug Introduction</a></li>
+
+
+
+ <li class="toctree-l2"><a class="reference internal" href="/docs/error-messages/">Error Messages</a></li>
+
+
+
+ <li class="toctree-l2"><a class="reference internal" href="/docs/modify-logback-xml/">Modify logback.xml</a></li>
+
+
+
+ <li class="toctree-l2"><a class="reference internal" href="/docs/review-the-java-stack-trace/">Review the Java Stack Trace</a></li>
+
+
+ </ul>
@@ -759,6 +793,10 @@
+ <li class="toctree-l1"><a class="reference internal" href="/docs/troubleshooting/">Troubleshooting</a></li>
+
+
+
<li class="toctree-l1"><a href="javascript: void(0);">Developer Information</a></li>
<ul style="display: none">
@@ -840,6 +878,10 @@
<li class="toctree-l2"><a class="reference internal" href="/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="/docs/apache-drill-1-0-0-release-notes/">Apache Drill 1.0.0 Release Notes</a></li>
+
+
</ul>
@@ -896,29 +938,6 @@
<li class="toctree-l1"><a class="reference internal" href="/docs/project-bylaws/">Project Bylaws</a></li>
-
- <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="/docs/log-and-debug-introduction/">Log and Debug Introduction</a></li>
-
-
-
- <li class="toctree-l2"><a class="reference internal" href="/docs/error-messages/">Error Messages</a></li>
-
-
-
- <li class="toctree-l2"><a class="reference internal" href="/docs/modify-logback-xml/">Modify logback.xml</a></li>
-
-
-
- <li class="toctree-l2"><a class="reference internal" href="/docs/review-the-java-stack-trace/">Review the Java Stack Trace</a></li>
-
-
- </ul>
-
-
</ul>
</div>