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Posted to commits@drill.apache.org by br...@apache.org on 2016/08/30 22:37:46 UTC
[5/6] drill-site git commit: updates for Drill 1.8 release
http://git-wip-us.apache.org/repos/asf/drill-site/blob/67bee382/docs/apache-drill-1-8-0-release-notes/index.html
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+ <li class="toctree-l2"><a class="reference internal" href="/docs/using-the-jdbc-driver/">Using the JDBC Driver</a></li>
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+ <li class="toctree-l2"><a class="reference internal" href="/docs/using-jdbc-with-squirrel-on-windows/">Using JDBC with SQuirreL on Windows</a></li>
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+ <li class="toctree-l2"><a href="javascript: void(0);">Installing the ODBC Driver</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/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/installing-the-tdc-file-on-windows/">Installing the TDC File on Windows</a></li>
+
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+ <li class="toctree-l2"><a href="javascript: void(0);">Configuring ODBC</a></li>
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+ <li class="toctree-l3"><a class="reference internal" href="/docs/configuring-odbc-on-linux/">Configuring ODBC on Linux</a></li>
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+ <li class="toctree-l3"><a class="reference internal" href="/docs/configuring-odbc-on-mac-os-x/">Configuring ODBC on Mac OS X</a></li>
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+ <li class="toctree-l3"><a class="reference internal" href="/docs/configuring-odbc-on-windows/">Configuring ODBC on Windows</a></li>
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+ <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 Drill Explorer</a></li>
+ <ul style="display: none">
+
+ <li class="toctree-l3"><a class="reference internal" href="/docs/drill-explorer-introduction/">Drill Explorer Introduction</a></li>
+
+ <li class="toctree-l3"><a class="reference internal" href="/docs/connecting-drill-explorer-to-data/">Connecting Drill Explorer to Data</a></li>
+
+ <li class="toctree-l3"><a class="reference internal" href="/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>
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+
+ <li class="toctree-l3"><a class="reference internal" href="/docs/using-drill-with-bi-tools-introduction/">Using Drill with BI Tools Introduction</a></li>
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+ <li class="toctree-l3"><a class="reference internal" href="/docs/tableau-examples/">Tableau Examples</a></li>
+
+ <li class="toctree-l3"><a class="reference internal" href="/docs/using-microstrategy-analytics-with-apache-drill/">Using MicroStrategy Analytics with Apache Drill</a></li>
+
+ <li class="toctree-l3"><a class="reference internal" href="/docs/using-tibco-spotfire-desktop-with-drill/">Using Tibco Spotfire Desktop with Drill</a></li>
+
+ <li class="toctree-l3"><a class="reference internal" href="/docs/configuring-tibco-spotfire-server-with-drill/">Configuring Tibco Spotfire Server with Drill</a></li>
+
+ <li class="toctree-l3"><a class="reference internal" href="/docs/using-qlik-sense-with-drill/">Using Qlik Sense with Drill</a></li>
+
+ <li class="toctree-l3"><a class="reference internal" href="/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="/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="/docs/using-information-builders-webfocus-with-apache-drill/">Using Information Builders\u2019 WebFOCUS with Apache Drill</a></li>
+
+ <li class="toctree-l3"><a class="reference internal" href="/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="/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-avro-files/">Querying Avro Files</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>
+
+ <li class="toctree-l3"><a class="reference internal" href="/docs/querying-sequence-files/">Querying Sequence Files</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-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="/docs/performance-tuning-introduction/">Performance Tuning Introduction</a></li>
+
+
+
+ <li class="toctree-l2"><a href="javascript: void(0);">Partition Pruning</a></li>
+ <ul style="display: none">
+
+ <li class="toctree-l3"><a class="reference internal" href="/docs/partition-pruning-introduction/">Partition Pruning Introduction</a></li>
+
+ <li class="toctree-l3"><a class="reference internal" href="/docs/how-to-partition-data/">How to Partition Data</a></li>
+
+ </ul>
+
+
+
+ <li class="toctree-l2"><a class="reference internal" href="/docs/optimizing-parquet-metadata-reading/">Optimizing Parquet Metadata Reading</a></li>
+
+
+
+ <li class="toctree-l2"><a class="reference internal" href="/docs/hive-metadata-caching/">Hive Metadata Caching</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>
+
+
+
+ <li class="toctree-l2"><a class="reference internal" href="/docs/monitoring-metrics/">Monitoring Metrics</a></li>
+
+
+ </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>
+
+
+
+ <li class="toctree-l2"><a class="reference internal" href="/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="/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);">SQL Window Functions</a></li>
+ <ul style="display: none">
+
+ <li class="toctree-l3"><a class="reference internal" href="/docs/sql-window-functions-introduction/">SQL Window Functions Introduction</a></li>
+
+ <li class="toctree-l3"><a class="reference internal" href="/docs/aggregate-window-functions/">Aggregate Window Functions</a></li>
+
+ <li class="toctree-l3"><a class="reference internal" href="/docs/ranking-window-functions/">Ranking Window Functions</a></li>
+
+ <li class="toctree-l3"><a class="reference internal" href="/docs/value-window-functions/">Value Window Functions</a></li>
+
+ <li class="toctree-l3"><a class="reference internal" href="/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="/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/set/">SET</a></li>
+
+ <li class="toctree-l3"><a class="reference internal" href="/docs/reset/">RESET</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/partition-by-clause/">PARTITION BY Clause</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/describe/">DESCRIBE</a></li>
+
+ <li class="toctree-l3"><a class="reference internal" href="/docs/drop-table/">DROP TABLE</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/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-list/">SELECT List</a></li>
+
+ <li class="toctree-l3"><a class="reference internal" href="/docs/from-clause/">FROM Clause</a></li>
+
+ <li class="toctree-l3"><a class="reference internal" href="/docs/group-by-clause/">GROUP BY Clause</a></li>
+
+ <li class="toctree-l3"><a class="reference internal" href="/docs/having-clause/">HAVING Clause</a></li>
+
+ <li class="toctree-l3"><a class="reference internal" href="/docs/limit-clause/">LIMIT Clause</a></li>
+
+ <li class="toctree-l3"><a class="reference internal" href="/docs/offset-clause/">OFFSET Clause</a></li>
+
+ <li class="toctree-l3"><a class="reference internal" href="/docs/order-by-clause/">ORDER BY Clause</a></li>
+
+ <li class="toctree-l3"><a class="reference internal" href="/docs/union-set-operator/">UNION Set Operator</a></li>
+
+ <li class="toctree-l3"><a class="reference internal" href="/docs/where-clause/">WHERE Clause</a></li>
+
+ <li class="toctree-l3"><a class="reference internal" href="/docs/with-clause/">WITH Clause</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>
+
+
+
+ <li class="toctree-l2"><a class="reference internal" href="/docs/text-files-csv-tsv-psv/">Text Files: CSV, TSV, PSV</a></li>
+
+
+
+ <li class="toctree-l2"><a class="reference internal" href="/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="/docs/develop-custom-functions-introduction/">Develop Custom Functions Introduction</a></li>
+
+
+
+ <li class="toctree-l2"><a class="reference internal" href="/docs/developing-a-simple-function/">Developing a Simple Function</a></li>
+
+
+
+ <li class="toctree-l2"><a class="reference internal" href="/docs/tutorial-develop-a-simple-function/">Tutorial: 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 class="reference internal" href="/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="/docs/compiling-drill-from-source/">Compiling Drill from Source</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 current_section "><a href="javascript: void(0);">Release Notes</a></li>
+ <ul class="current_section">
+
+
+ <li class="toctree-l2 current"><a class="reference internal" href="/docs/apache-drill-1-8-0-release-notes/">Apache Drill 1.8.0 Release Notes</a></li>
+
+
+
+ <li class="toctree-l2"><a class="reference internal" href="/docs/apache-drill-1-7-0-release-notes/">Apache Drill 1.7.0 Release Notes</a></li>
+
+
+
+ <li class="toctree-l2"><a class="reference internal" href="/docs/apache-drill-1-6-0-release-notes/">Apache Drill 1.6.0 Release Notes</a></li>
+
+
+
+ <li class="toctree-l2"><a class="reference internal" href="/docs/apache-drill-1-5-0-release-notes/">Apache Drill 1.5.0 Release Notes</a></li>
+
+
+
+ <li class="toctree-l2"><a class="reference internal" href="/docs/apache-drill-1-4-0-release-notes/">Apache Drill 1.4.0 Release Notes</a></li>
+
+
+
+ <li class="toctree-l2"><a class="reference internal" href="/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="/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="/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="/docs/apache-drill-1-0-0-release-notes/">Apache Drill 1.0.0 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-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-0-7-0-release-notes/">Apache Drill 0.7.0 Release Notes</a></li>
+
+
+
+ <li class="toctree-l2"><a class="reference internal" href="/docs/apache-drill-0-6-0-release-notes/">Apache Drill 0.6.0 Release Notes</a></li>
+
+
+
+ <li class="toctree-l2"><a class="reference internal" href="/docs/apache-drill-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-0-5-0-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>
+
+
+ </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="/docs/aol-search/">AOL Search</a></li>
+
+
+
+ <li class="toctree-l2"><a class="reference internal" href="/docs/enron-emails/">Enron Emails</a></li>
+
+
+
+ <li class="toctree-l2"><a class="reference internal" href="/docs/wikipedia-edit-history/">Wikipedia Edit History</a></li>
+
+
+ </ul>
+
+
+
+ <li class="toctree-l1"><a class="reference internal" href="/docs/project-bylaws/">Project Bylaws</a></li>
+
+
+ </ul>
+
+ </div>
+ </div>
+</aside>
+
+
+<nav class="breadcrumbs">
+ <li><a href="/docs/">Docs</a></li>
+
+
+ <li><a href="/docs/release-notes/">Release Notes</a></li>
+
+ <li>Apache Drill 1.8.0 Release Notes</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/rn/003-1.8.0-rn.md" target="_blank"><i class="fa fa-pencil-square-o"></i></a>
+
+
+ <div class="int_title left">
+ <h1>Apache Drill 1.8.0 Release Notes</h1>
+
+ </div>
+
+
+
+ <link href="/css/docpage.css" rel="stylesheet" type="text/css">
+
+ <div class="int_text" align="left">
+
+ <p><strong>Release date:</strong> August 30, 2016</p>
+
+<p>Today, we're happy to announce the availability of Drill 1.8.0. You can download it <a href="https://drill.apache.org/download/">here</a>.</p>
+
+<h2 id="new-features">New Features</h2>
+
+<p>This release of Drill provides the following new features: </p>
+
+<ul>
+<li>Metadata cache pruning</li>
+<li>IF EXISTS parameter with the DROP TABLE and DROP VIEW commands</li>
+<li>DESCRIBE SCHEMA command</li>
+<li>Multi-byte delimiter support</li>
+<li>New parameters for filter selectivity estimates<br></li>
+</ul>
+
+<h2 id="configuration-and-launch-script-changes">Configuration and Launch Script Changes</h2>
+
+<p>This release of Drill also includes the following changes to the configuration and launch scripts: </p>
+
+<ul>
+<li>The <code>$DRILL_HOME/conf/drill-env.sh</code> file has been simplified. Default Drill settings have moved out of this file and now reside in <code>$DRILL_HOME/bin/drill-config.sh</code>. The <code>drill-env.sh</code> file now ships with descriptions of the options that you can set. You can override many settings by creating an entry in <code>$DRILL_HOME/conf/drill-env.sh</code>. (<a href="https://issues.apache.org/jira/browse/DRILL-4581">DRILL-4581</a>)<br></li>
+<li>Due to issues at high concurrency, the native Linux epoll transport is now disabled by default. (<a href="https://issues.apache.org/jira/browse/DRILL-4623">DRILL-4623</a>)<br></li>
+</ul>
+
+<p>Changes to the Drill launch scripts provide a new option that simplifies the Drill upgrade for Drill 1.8 and later. The new scripts support a \u201csite directory\u201d that holds site-specific files separate from the Drill product directory. The site directory is a simple extension of the config directory in previous Drill releases. You can add a \u201cjars\u201d subdirectory to the config directory for your custom jars instead of storing them in $DRILL_HOME. You can even add native libraries in the new \u201clib\u201d directory and Drill automatically loads them. </p>
+
+<p>Example: </p>
+<div class="highlight"><pre><code class="language-text" data-lang="text"> /my/conf/dir
+ |- drill-override.conf
+ |- drill-env.sh
+ |- jars
+ |- myudf.jar
+ |- lib
+ |- mysecurity.so
+</code></pre></div>
+<p>To use the site directory:</p>
+<div class="highlight"><pre><code class="language-text" data-lang="text"> drillbit.sh \u2014site /my/conf/dir start
+</code></pre></div>
+<p>Note that <code>--config</code> still works as well.</p>
+
+<p>You can set an environment variable for the directory:</p>
+<div class="highlight"><pre><code class="language-text" data-lang="text"> export DRILL_CONF_DIR=/my/conf/dir
+ drillbit.sh start
+</code></pre></div>
+<p>The site directory works with <code>drillbit.sh</code> and the various Drill client scripts.</p>
+
+<p>To upgrade Drill using the new site directory, just delete the old Drill product directory and expand the Drill archive to create a new one. There is no need to back up and merge files each time you upgrade because the site files are not affected by an upgrade. Using the site directory, you can have different site directories for different Drill sessions: one for development, another for test, and so on. You can use the site directory to run multiple Drill clusters from as single Drill installation by creating a site directory for each Drill cluster and then configuring Drill. </p>
+
+<p>The following sections list additional bug fixes and improvements: </p>
+
+<h2> Sub-task
+</h2>
+
+<ul>
+<li>[<a href='https://issues.apache.org/jira/browse/DRILL-4581'>DRILL-4581</a>] - Various problems in the Drill startup scripts
+</li>
+<li>[<a href='https://issues.apache.org/jira/browse/DRILL-4728'>DRILL-4728</a>] - Add support for new metadata fetch APIs
+</li>
+<li>[<a href='https://issues.apache.org/jira/browse/DRILL-4729'>DRILL-4729</a>] - Add support for prepared statement implementation on server side
+</li>
+<li>[<a href='https://issues.apache.org/jira/browse/DRILL-4732'>DRILL-4732</a>] - Update JDBC driver to use the new prepared statement APIs on DrillClient
+</li>
+</ul>
+
+
+<h2> Bug
+</h2>
+
+<ul>
+<li>[<a href='https://issues.apache.org/jira/browse/DRILL-3726'>DRILL-3726</a>] - Drill is not properly interpreting CRLF (0d0a). CR gets read as content.
+</li>
+<li>[<a href='https://issues.apache.org/jira/browse/DRILL-4147'>DRILL-4147</a>] - Union All operator runs in a single fragment
+</li>
+<li>[<a href='https://issues.apache.org/jira/browse/DRILL-4175'>DRILL-4175</a>] - IOBE may occur in Calcite RexProgramBuilder when queries are submitted concurrently
+</li>
+<li>[<a href='https://issues.apache.org/jira/browse/DRILL-4341'>DRILL-4341</a>] - Fails to parse string literals containing escaped quotes
+</li>
+<li>[<a href='https://issues.apache.org/jira/browse/DRILL-4574'>DRILL-4574</a>] - Avro Plugin: Flatten does not work correctly on record items
+</li>
+<li>[<a href='https://issues.apache.org/jira/browse/DRILL-4623'>DRILL-4623</a>] - Disable Epoll by Default
+</li>
+<li>[<a href='https://issues.apache.org/jira/browse/DRILL-4658'>DRILL-4658</a>] - cannot specify tab as a fieldDelimiter in table function
+</li>
+<li>[<a href='https://issues.apache.org/jira/browse/DRILL-4664'>DRILL-4664</a>] - ScanBatch.isNewSchema() returns wrong result for map datatype
+</li>
+<li>[<a href='https://issues.apache.org/jira/browse/DRILL-4665'>DRILL-4665</a>] - Partition pruning not working for hive partitioned table with 'LIKE' and '=' filter
+</li>
+<li>[<a href='https://issues.apache.org/jira/browse/DRILL-4704'>DRILL-4704</a>] - select statement behavior is inconsistent for decimal values in parquet
+</li>
+<li>[<a href='https://issues.apache.org/jira/browse/DRILL-4707'>DRILL-4707</a>] - Conflicting columns names under case-insensitive policy lead to either memory leak or incorrect result
+</li>
+<li>[<a href='https://issues.apache.org/jira/browse/DRILL-4715'>DRILL-4715</a>] - Java compilation error for a query with large number of expressions
+</li>
+<li>[<a href='https://issues.apache.org/jira/browse/DRILL-4743'>DRILL-4743</a>] - HashJoin's not fully parallelized in query plan
+</li>
+<li>[<a href='https://issues.apache.org/jira/browse/DRILL-4746'>DRILL-4746</a>] - Verification Failures (Decimal values) in drill's regression tests
+</li>
+<li>[<a href='https://issues.apache.org/jira/browse/DRILL-4759'>DRILL-4759</a>] - Drill throwing array index out of bound exception when reading a parquet file written by map reduce program.
+</li>
+<li>[<a href='https://issues.apache.org/jira/browse/DRILL-4767'>DRILL-4767</a>] - Parquet reader throw IllegalArgumentException for int32 type with GZIP compression
+</li>
+<li>[<a href='https://issues.apache.org/jira/browse/DRILL-4768'>DRILL-4768</a>] - Drill may leak hive meta store connection if hive meta store client call hits error
+</li>
+<li>[<a href='https://issues.apache.org/jira/browse/DRILL-4769'>DRILL-4769</a>] - forman spins query int32 data with snappy compression
+</li>
+<li>[<a href='https://issues.apache.org/jira/browse/DRILL-4770'>DRILL-4770</a>] - ParquetRecordReader throws NPE querying a single int64 column file
+</li>
+<li>[<a href='https://issues.apache.org/jira/browse/DRILL-4783'>DRILL-4783</a>] - Flatten on CONVERT_FROM fails with ClassCastException if resultset is empty
+</li>
+<li>[<a href='https://issues.apache.org/jira/browse/DRILL-4785'>DRILL-4785</a>] - Limit 0 queries regressed in Drill 1.7.0
+</li>
+<li>[<a href='https://issues.apache.org/jira/browse/DRILL-4794'>DRILL-4794</a>] - Regression: Wrong result for query with disjunctive partition filters
+</li>
+<li>[<a href='https://issues.apache.org/jira/browse/DRILL-4801'>DRILL-4801</a>] - Setting extractHeader attribute for CSV format does not propagate to all drillbits
+</li>
+<li>[<a href='https://issues.apache.org/jira/browse/DRILL-4816'>DRILL-4816</a>] - sqlline -f failed to read the query file
+</li>
+<li>[<a href='https://issues.apache.org/jira/browse/DRILL-4825'>DRILL-4825</a>] - Wrong data with UNION ALL when querying different sub-directories under the same table
+</li>
+<li>[<a href='https://issues.apache.org/jira/browse/DRILL-4833'>DRILL-4833</a>] - Union-All with a small cardinality input on one side does not get parallelized
+</li>
+<li>[<a href='https://issues.apache.org/jira/browse/DRILL-4836'>DRILL-4836</a>] - ZK Issue during Drillbit startup, possibly due to race condition
+</li>
+<li>[<a href='https://issues.apache.org/jira/browse/DRILL-4846'>DRILL-4846</a>] - Eliminate extra operations during metadata cache pruning
+</li>
+<li>[<a href='https://issues.apache.org/jira/browse/DRILL-4852'>DRILL-4852</a>] - COUNT(*) query against a large JSON table slower by 2x
+</li>
+<li>[<a href='https://issues.apache.org/jira/browse/DRILL-4854'>DRILL-4854</a>] - Incorrect logic in log directory checks in drill-config.sh
+</li>
+<li>[<a href='https://issues.apache.org/jira/browse/DRILL-4857'>DRILL-4857</a>] - When no partition pruning occurs with metadata caching there's a performance regression
+</li>
+</ul>
+
+
+<h2> Improvement
+</h2>
+
+<ul>
+<li>[<a href='https://issues.apache.org/jira/browse/DRILL-2330'>DRILL-2330</a>] - Add support for nested aggregate expressions for window aggregates
+</li>
+<li>[<a href='https://issues.apache.org/jira/browse/DRILL-3149'>DRILL-3149</a>] - TextReader should support multibyte line delimiters
+</li>
+<li>[<a href='https://issues.apache.org/jira/browse/DRILL-3710'>DRILL-3710</a>] - Make the 20 in-list optimization configurable
+</li>
+<li>[<a href='https://issues.apache.org/jira/browse/DRILL-4530'>DRILL-4530</a>] - Improve metadata cache performance for queries with single partition
+</li>
+<li>[<a href='https://issues.apache.org/jira/browse/DRILL-4751'>DRILL-4751</a>] - Remove dumpcat script from Drill distribution
+</li>
+<li>[<a href='https://issues.apache.org/jira/browse/DRILL-4766'>DRILL-4766</a>] - FragmentExecutor should use EventProcessor and avoid blocking rpc threads
+</li>
+<li>[<a href='https://issues.apache.org/jira/browse/DRILL-4786'>DRILL-4786</a>] - Improve metadata cache performance for queries with multiple partitions
+</li>
+<li>[<a href='https://issues.apache.org/jira/browse/DRILL-4822'>DRILL-4822</a>] - Extend distrib-env.sh search to consider site directory
+</li>
+</ul>
+
+
+<h2> New Feature
+</h2>
+
+<ul>
+<li>[<a href='https://issues.apache.org/jira/browse/DRILL-4514'>DRILL-4514</a>] - Add describe schema <schema_name> command
+</li>
+<li>[<a href='https://issues.apache.org/jira/browse/DRILL-4673'>DRILL-4673</a>] - Implement "DROP TABLE IF EXISTS" for drill to prevent FAILED status on command return
+</li>
+<li>[<a href='https://issues.apache.org/jira/browse/DRILL-4819'>DRILL-4819</a>] - Update MapR version to 5.2.0
+</li>
+</ul>
+
+
+<h2> Task
+</h2>
+
+<ul>
+<li>[<a href='https://issues.apache.org/jira/browse/DRILL-4499'>DRILL-4499</a>] - Remove unused classes
+</li>
+</ul>
+
+
+
+
+ <div class="doc-nav">
+
+ <span class="previous-toc"><a href="/docs/release-notes/">\u2190 Release Notes</a></span><span class="next-toc"><a href="/docs/apache-drill-1-7-0-release-notes/">Apache Drill 1.7.0 Release Notes \u2192</a></span>
+</div>
+
+
+ </div>
+ </div>
+</div>
+
+ </div>
+ <p class="push"></p>
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<ul style="display: none">
+ <li class="toctree-l2"><a class="reference internal" href="/docs/apache-drill-1-8-0-release-notes/">Apache Drill 1.8.0 Release Notes</a></li>
+
+
+
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<ul style="display: none">
+ <li class="toctree-l2"><a class="reference internal" href="/docs/apache-drill-1-8-0-release-notes/">Apache Drill 1.8.0 Release Notes</a></li>
+
+
+
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<ul class="current_section">
+ <li class="toctree-l2"><a class="reference internal" href="/docs/apache-drill-1-8-0-release-notes/">Apache Drill 1.8.0 Release Notes</a></li>
+
+
+
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+ <li class="toctree-l2"><a class="reference internal" href="/docs/apache-drill-1-8-0-release-notes/">Apache Drill 1.8.0 Release Notes</a></li>
+
+
+
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+ <li class="toctree-l2"><a class="reference internal" href="/docs/apache-drill-1-8-0-release-notes/">Apache Drill 1.8.0 Release Notes</a></li>
+
+
+
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+ <li class="toctree-l2"><a class="reference internal" href="/docs/apache-drill-1-8-0-release-notes/">Apache Drill 1.8.0 Release Notes</a></li>
+
+
+
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+ <li class="toctree-l2"><a class="reference internal" href="/docs/apache-drill-1-8-0-release-notes/">Apache Drill 1.8.0 Release Notes</a></li>
+
+
+
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+ <li class="toctree-l2"><a class="reference internal" href="/docs/apache-drill-1-8-0-release-notes/">Apache Drill 1.8.0 Release Notes</a></li>
+
+
+
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http://git-wip-us.apache.org/repos/asf/drill-site/blob/67bee382/docs/compiling-drill-from-source/index.html
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+ <li class="toctree-l2"><a class="reference internal" href="/docs/apache-drill-1-8-0-release-notes/">Apache Drill 1.8.0 Release Notes</a></li>
+
+
+
<li class="toctree-l2"><a class="reference internal" href="/docs/apache-drill-1-7-0-release-notes/">Apache Drill 1.7.0 Release Notes</a></li>