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+ <div class="section" id="predicates">
+<h1>Predicates<a class="headerlink" href="#predicates" title="Permalink to this headline">¶</a></h1>
+<div class="section" id="in-predicate">
+<h2>IN Predicate<a class="headerlink" href="#in-predicate" title="Permalink to this headline">¶</a></h2>
+<p>IN predicate provides row and array comparison.</p>
+<p><em>Synopsis</em></p>
+<div class="highlight-sql"><div class="highlight"><pre><span class="n">column_reference</span> <span class="k">IN</span> <span class="p">(</span><span class="n">val1</span><span class="p">,</span> <span class="n">val2</span><span class="p">,</span> <span class="p">...,</span> <span class="n">valN</span><span class="p">)</span>
+<span class="n">column_reference</span> <span class="k">NOT</span> <span class="k">IN</span> <span class="p">(</span><span class="n">val1</span><span class="p">,</span> <span class="n">val2</span><span class="p">,</span> <span class="p">...,</span> <span class="n">valN</span><span class="p">)</span>
+</pre></div>
+</div>
+<p>Examples are as follows:</p>
+<div class="highlight-sql"><div class="highlight"><pre><span class="c1">-- this statement filters lists down all the records where col1 value is 1, 2 or 3:</span>
+<span class="k">SELECT</span> <span class="n">col1</span><span class="p">,</span> <span class="n">col2</span> <span class="k">FROM</span> <span class="n">table1</span> <span class="k">WHERE</span> <span class="n">col1</span> <span class="k">IN</span> <span class="p">(</span><span class="mi">1</span><span class="p">,</span> <span class="mi">2</span><span class="p">,</span> <span class="mi">3</span><span class="p">);</span>
+
+<span class="c1">-- this statement filters lists down all the records where col1 value is neither 1, 2 nor 3:</span>
+<span class="k">SELECT</span> <span class="n">col1</span><span class="p">,</span> <span class="n">col2</span> <span class="k">FROM</span> <span class="n">table1</span> <span class="k">WHERE</span> <span class="n">col1</span> <span class="k">NOT</span> <span class="k">IN</span> <span class="p">(</span><span class="mi">1</span><span class="p">,</span> <span class="mi">2</span><span class="p">,</span> <span class="mi">3</span><span class="p">);</span>
+</pre></div>
+</div>
+<p>You can use ‘IN clause’ on text data domain as follows:</p>
+<div class="highlight-sql"><div class="highlight"><pre><span class="k">SELECT</span> <span class="n">col1</span><span class="p">,</span> <span class="n">col2</span> <span class="k">FROM</span> <span class="n">table1</span> <span class="k">WHERE</span> <span class="n">col2</span> <span class="k">IN</span> <span class="p">(</span><span class="s1">'tajo'</span><span class="p">,</span> <span class="s1">'hadoop'</span><span class="p">);</span>
+
+<span class="k">SELECT</span> <span class="n">col1</span><span class="p">,</span> <span class="n">col2</span> <span class="k">FROM</span> <span class="n">table1</span> <span class="k">WHERE</span> <span class="n">col2</span> <span class="k">NOT</span> <span class="k">IN</span> <span class="p">(</span><span class="s1">'tajo'</span><span class="p">,</span> <span class="s1">'hadoop'</span><span class="p">);</span>
+</pre></div>
+</div>
+</div>
+<div class="section" id="string-pattern-matching-predicates">
+<h2>String Pattern Matching Predicates<a class="headerlink" href="#string-pattern-matching-predicates" title="Permalink to this headline">¶</a></h2>
+<div class="section" id="like">
+<h3>LIKE<a class="headerlink" href="#like" title="Permalink to this headline">¶</a></h3>
+<p>LIKE operator returns true or false depending on whether its pattern matches the given string. An underscore (_) in pattern matches any single character. A percent sign (%) matches any sequence of zero or more characters.</p>
+<p><em>Synopsis</em></p>
+<div class="highlight-sql"><div class="highlight"><pre><span class="n">string</span> <span class="k">LIKE</span> <span class="n">pattern</span>
+<span class="n">string</span> <span class="k">NOT</span> <span class="k">LIKE</span> <span class="n">pattern</span>
+</pre></div>
+</div>
+</div>
+<div class="section" id="ilike">
+<h3>ILIKE<a class="headerlink" href="#ilike" title="Permalink to this headline">¶</a></h3>
+<p>ILIKE is the same to LIKE, but it is a case insensitive operator. It is not in the SQL standard. We borrow this operator from PostgreSQL.</p>
+<p><em>Synopsis</em></p>
+<div class="highlight-sql"><div class="highlight"><pre><span class="n">string</span> <span class="k">ILIKE</span> <span class="n">pattern</span>
+<span class="n">string</span> <span class="k">NOT</span> <span class="k">ILIKE</span> <span class="n">pattern</span>
+</pre></div>
+</div>
+</div>
+<div class="section" id="similar-to">
+<h3>SIMILAR TO<a class="headerlink" href="#similar-to" title="Permalink to this headline">¶</a></h3>
+<p><em>Synopsis</em></p>
+<div class="highlight-sql"><div class="highlight"><pre><span class="n">string</span> <span class="k">SIMILAR</span> <span class="k">TO</span> <span class="n">pattern</span>
+<span class="n">string</span> <span class="k">NOT</span> <span class="k">SIMILAR</span> <span class="k">TO</span> <span class="n">pattern</span>
+</pre></div>
+</div>
+<p>It returns true or false depending on whether its pattern matches the given string. Also like LIKE, <tt class="docutils literal"><span class="pre">SIMILAR</span> <span class="pre">TO</span></tt> uses <tt class="docutils literal"><span class="pre">_</span></tt> and <tt class="docutils literal"><span class="pre">%</span></tt> as metacharacters denoting any single character and any string, respectively.</p>
+<p>In addition to these metacharacters borrowed from LIKE, ‘SIMILAR TO’ supports more powerful pattern-matching metacharacters borrowed from regular expressions:</p>
+<table border="1" class="docutils">
+<colgroup>
+<col width="21%" />
+<col width="79%" />
+</colgroup>
+<thead valign="bottom">
+<tr class="row-odd"><th class="head">metacharacter</th>
+<th class="head">description</th>
+</tr>
+</thead>
+<tbody valign="top">
+<tr class="row-even"><td>&#124;</td>
+<td>denotes alternation (either of two alternatives).</td>
+</tr>
+<tr class="row-odd"><td><ul class="first last simple">
+<li></li>
+</ul>
+</td>
+<td>denotes repetition of the previous item zero or more times.</td>
+</tr>
+<tr class="row-even"><td><ul class="first last simple">
+<li></li>
+</ul>
+</td>
+<td>denotes repetition of the previous item one or more times.</td>
+</tr>
+<tr class="row-odd"><td>?</td>
+<td>denotes repetition of the previous item zero or one time.</td>
+</tr>
+<tr class="row-even"><td>{m}</td>
+<td>denotes repetition of the previous item exactly m times.</td>
+</tr>
+<tr class="row-odd"><td>{m,}</td>
+<td>denotes repetition of the previous item m or more times.</td>
+</tr>
+<tr class="row-even"><td>{m,n}</td>
+<td>denotes repetition of the previous item at least m and not more than n times.</td>
+</tr>
+<tr class="row-odd"><td>[]</td>
+<td>A bracket expression specifies a character class, just as in POSIX regular expressions.</td>
+</tr>
+<tr class="row-even"><td>()</td>
+<td>Parentheses can be used to group items into a single logical item.</td>
+</tr>
+</tbody>
+</table>
+<p>Note that <cite>.`</cite> is not used as a metacharacter in <tt class="docutils literal"><span class="pre">SIMILAR</span> <span class="pre">TO</span></tt> operator.</p>
+</div>
+<div class="section" id="regular-expressions">
+<h3>Regular expressions<a class="headerlink" href="#regular-expressions" title="Permalink to this headline">¶</a></h3>
+<p>Regular expressions provide a very powerful means for string pattern matching. In the current Tajo, regular expressions are based on Java-style regular expressions instead of POSIX regular expression. The main difference between java-style one and POSIX’s one is character class.</p>
+<p><em>Synopsis</em></p>
+<div class="highlight-sql"><div class="highlight"><pre><span class="n">string</span> <span class="o">~</span> <span class="n">pattern</span>
+<span class="n">string</span> <span class="o">!~</span> <span class="n">pattern</span>
+
+<span class="n">string</span> <span class="o">~*</span> <span class="n">pattern</span>
+<span class="n">string</span> <span class="o">!~*</span> <span class="n">pattern</span>
+</pre></div>
+</div>
+<table border="1" class="docutils">
+<colgroup>
+<col width="9%" />
+<col width="91%" />
+</colgroup>
+<thead valign="bottom">
+<tr class="row-odd"><th class="head">operator</th>
+<th class="head">Description</th>
+</tr>
+</thead>
+<tbody valign="top">
+<tr class="row-even"><td>~</td>
+<td>It returns true if a given regular expression is matched to string. Otherwise, it returns false.</td>
+</tr>
+<tr class="row-odd"><td>!~</td>
+<td>It returns false if a given regular expression is matched to string. Otherwise, it returns true.</td>
+</tr>
+<tr class="row-even"><td>~*</td>
+<td>It is the same to ‘~’, but it is case insensitive.</td>
+</tr>
+<tr class="row-odd"><td>!~*</td>
+<td>It is the same to ‘!~’, but it is case insensitive.</td>
+</tr>
+</tbody>
+</table>
+<p>Here are examples:</p>
+<div class="highlight-sql"><div class="highlight"><pre>'abc' ~ '.*c' true
+'abc' ~ 'c' false
+'aaabc' ~ '([a-z]){3}bc true
+'abc' ~* '.*C' true
+'abc' !~* 'B.*' true
+</pre></div>
+</div>
+<p>Regular expressions operator is not in the SQL standard. We borrow this operator from PostgreSQL.</p>
+<p><em>Synopsis for REGEXP and RLIKE operators</em></p>
+<div class="highlight-sql"><div class="highlight"><pre><span class="n">string</span> <span class="n">REGEXP</span> <span class="n">pattern</span>
+<span class="n">string</span> <span class="k">NOT</span> <span class="n">REGEXP</span> <span class="n">pattern</span>
+
+<span class="n">string</span> <span class="n">RLIKE</span> <span class="n">pattern</span>
+<span class="n">string</span> <span class="k">NOT</span> <span class="n">RLIKE</span> <span class="n">pattern</span>
+</pre></div>
+</div>
+<p>But, they do not support case-insensitive operators.</p>
+</div>
+</div>
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+<li class="toctree-l2"><a class="reference internal" href="../getting_started/downloading_source.html">Dowload and unpack the source code of Apache Tajo</a></li>
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+<li class="toctree-l2"><a class="reference internal" href="../getting_started/local_setup.html">Setting up a local Tajo cluster</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../getting_started/first_query.html">First query execution</a></li>
+</ul>
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+<li class="toctree-l1"><a class="reference internal" href="../configuration.html">Configuration</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../configuration/preliminary.html">Preliminary</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../configuration/cluster_setup.html">Tajo run modes: Standalone and Distributed</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../configuration/tajo_master_configuration.html">Tajo Master Configuration</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../configuration/worker_configuration.html">Worker Configuration</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../configuration/catalog_configuration.html">Catalog Configuration</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../configuration/configuration_defaults.html">Configuration Defaults</a></li>
+</ul>
+</li>
+<li class="toctree-l1"><a class="reference internal" href="../cli.html">Command Line Interface (TSQL)</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../cli.html#synopsis">Synopsis</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../cli.html#entering-tsql-shell">Entering tsql shell</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../cli.html#meta-commands">Meta Commands</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../cli.html#examples">Examples</a></li>
+</ul>
+</li>
+<li class="toctree-l1 current"><a class="reference internal" href="../sql_language.html">SQL Language</a><ul class="current">
+<li class="toctree-l2"><a class="reference internal" href="data_model.html">Data Model</a></li>
+<li class="toctree-l2"><a class="reference internal" href="ddl.html">Data Definition Language</a></li>
+<li class="toctree-l2"><a class="reference internal" href="insert.html">INSERT (OVERWRITE) INTO</a></li>
+<li class="toctree-l2 current"><a class="current reference internal" href="">Queries</a></li>
+<li class="toctree-l2"><a class="reference internal" href="sql_expression.html">SQL Expressions</a></li>
+<li class="toctree-l2"><a class="reference internal" href="predicates.html">Predicates</a></li>
+</ul>
+</li>
+<li class="toctree-l1"><a class="reference internal" href="../functions.html">Functions</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../functions/math_func_and_operators.html">Math Functions and Operators</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../functions/string_func_and_operators.html">String Functions and Operators</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../functions/datetime_func_and_operators.html">DateTime Functions and Operators</a></li>
+</ul>
+</li>
+<li class="toctree-l1"><a class="reference internal" href="../table_management.html">Table Management</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../table_management/file_formats.html">File Formats</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../table_management/compression.html">Compression</a></li>
+</ul>
+</li>
+<li class="toctree-l1"><a class="reference internal" href="../table_partitioning.html">Table Partitioning</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../partitioning/intro_to_partitioning.html">Introduction to Partitioning</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../partitioning/column_partitioning.html">Column Partitioning</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../partitioning/range_partitioning.html">Range Partitioning</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../partitioning/hash_partitioning.html">Hash Partitioning</a></li>
+</ul>
+</li>
+<li class="toctree-l1"><a class="reference internal" href="../backup_and_restore.html">Backup and Restore</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../backup_and_restore/catalog.html">Backup and Restore Catalog</a></li>
+</ul>
+</li>
+<li class="toctree-l1"><a class="reference internal" href="../hcatalog_integration.html">HCatalog Integration</a></li>
+<li class="toctree-l1"><a class="reference internal" href="../jdbc_driver.html">Tajo JDBC Driver</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../jdbc_driver.html#how-to-get-jdbc-driver">How to get JDBC driver</a></li>
+</ul>
+</li>
+<li class="toctree-l1"><a class="reference internal" href="../tajo_client_api.html">Tajo Client API</a></li>
+<li class="toctree-l1"><a class="reference internal" href="../faq.html">FAQ</a></li>
+</ul>
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+ <div class="rst-content">
+ <ul class="wy-breadcrumbs">
+ <li><a href="../index.html">Docs</a> »</li>
+ <li><a href="">Queries</a></li>
+
+</ul>
+<hr/>
+
+
+ <div class="section" id="queries">
+<h1>Queries<a class="headerlink" href="#queries" title="Permalink to this headline">¶</a></h1>
+<div class="section" id="overview">
+<h2>Overview<a class="headerlink" href="#overview" title="Permalink to this headline">¶</a></h2>
+<p><em>Synopsis</em></p>
+<div class="highlight-sql"><div class="highlight"><pre><span class="k">SELECT</span> <span class="p">[</span><span class="k">distinct</span> <span class="p">[</span><span class="k">all</span><span class="p">]]</span> <span class="o">*</span> <span class="o">|</span> <span class="o"><</span><span class="n">expression</span><span class="o">></span> <span class="p">[[</span><span class="k">AS</span><span class="p">]</span> <span class="o"><</span><span class="k">alias</span><span class="o">></span><span class="p">]</span> <span class="p">[,</span> <span class="p">...]</span>
+ <span class="p">[</span><span class="k">FROM</span> <span class="o"><</span><span class="k">table</span> <span class="n">name</span><span class="o">></span> <span class="p">[[</span><span class="k">AS</span><span class="p">]</span> <span class="o"><</span><span class="k">table</span> <span class="k">alias</span> <span class="n">name</span><span class="o">></span><span class="p">]</span> <span class="p">[,</span> <span class="p">...]]</span>
+ <span class="p">[</span><span class="k">WHERE</span> <span class="o"><</span><span class="n">condition</span><span class="o">></span><span class="p">]</span>
+ <span class="p">[</span><span class="k">GROUP</span> <span class="k">BY</span> <span class="o"><</span><span class="n">expression</span><span class="o">></span> <span class="p">[,</span> <span class="p">...]]</span>
+ <span class="p">[</span><span class="k">HAVING</span> <span class="o"><</span><span class="n">condition</span><span class="o">></span><span class="p">]</span>
+ <span class="p">[</span><span class="k">ORDER</span> <span class="k">BY</span> <span class="o"><</span><span class="n">expression</span><span class="o">></span> <span class="p">[</span><span class="k">ASC</span><span class="o">|</span><span class="k">DESC</span><span class="p">]</span> <span class="p">[</span><span class="k">NULL</span> <span class="k">FIRST</span><span class="o">|</span><span class="k">NULL</span> <span class="k">LAST</span><span class="p">]</span> <span class="p">[,</span> <span class="p">...]]</span>
+</pre></div>
+</div>
+</div>
+<div class="section" id="from-clause">
+<h2>From Clause<a class="headerlink" href="#from-clause" title="Permalink to this headline">¶</a></h2>
+</div>
+<div class="section" id="where-clause">
+<h2>Where Clause<a class="headerlink" href="#where-clause" title="Permalink to this headline">¶</a></h2>
+</div>
+<div class="section" id="groupby-clause">
+<h2>Groupby Clause<a class="headerlink" href="#groupby-clause" title="Permalink to this headline">¶</a></h2>
+</div>
+<div class="section" id="select-list">
+<h2>Select list<a class="headerlink" href="#select-list" title="Permalink to this headline">¶</a></h2>
+</div>
+</div>
+
+
+ <footer>
+
+ <div class="rst-footer-buttons">
+
+ <a href="sql_expression.html" class="btn btn-neutral float-right" title="SQL Expressions"/>Next <span class="icon icon-circle-arrow-right"></span></a>
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+ <a href="insert.html" class="btn btn-neutral" title="INSERT (OVERWRITE) INTO"><span class="icon icon-circle-arrow-left"></span> Previous</a>
+
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+ <p>
+ © Copyright 2014, Apache Tajo Team.
+ </p>
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+ <a href="https://www.github.com/snide/sphinx_rtd_theme">Sphinx theme</a> provided by <a href="http://readthedocs.org">Read the Docs</a>
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\ No newline at end of file
Added: incubator/tajo/site/docs/0.8.0/sql_language/sql_expression.html
URL: http://svn.apache.org/viewvc/incubator/tajo/site/docs/0.8.0/sql_language/sql_expression.html?rev=1574393&view=auto
==============================================================================
--- incubator/tajo/site/docs/0.8.0/sql_language/sql_expression.html (added)
+++ incubator/tajo/site/docs/0.8.0/sql_language/sql_expression.html Wed Mar 5 08:14:33 2014
@@ -0,0 +1,218 @@
+
+
+<!DOCTYPE html>
+<!--[if IE 8]><html class="no-js lt-ie9" lang="en" > <![endif]-->
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+<head>
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+ <meta name="viewport" content="width=device-width, initial-scale=1.0">
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+ URL_ROOT:'../',
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+ };
+ </script>
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+ <script type="text/javascript" src="../_static/doctools.js"></script>
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+ <link rel="stylesheet" href="../_static/css/theme.css" type="text/css" />
+ <script type="text/javascript" src="_static/js/theme.js"></script>
+
+
+
+ <link rel="top" title="Apache Tajo 0.8.0 documentation" href="../index.html"/>
+ <link rel="up" title="SQL Language" href="../sql_language.html"/>
+ <link rel="next" title="Predicates" href="predicates.html"/>
+ <link rel="prev" title="Queries" href="queries.html"/>
+
+ <script src="//cdnjs.cloudflare.com/ajax/libs/modernizr/2.6.2/modernizr.min.js"></script>
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+<li class="toctree-l1"><a class="reference internal" href="../getting_started.html">Getting Started</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../getting_started/prerequisites.html">Prerequisites</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../getting_started/downloading_source.html">Dowload and unpack the source code of Apache Tajo</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../getting_started/building.html">Build Source Code</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../getting_started/local_setup.html">Setting up a local Tajo cluster</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../getting_started/first_query.html">First query execution</a></li>
+</ul>
+</li>
+<li class="toctree-l1"><a class="reference internal" href="../configuration.html">Configuration</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../configuration/preliminary.html">Preliminary</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../configuration/cluster_setup.html">Tajo run modes: Standalone and Distributed</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../configuration/tajo_master_configuration.html">Tajo Master Configuration</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../configuration/worker_configuration.html">Worker Configuration</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../configuration/catalog_configuration.html">Catalog Configuration</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../configuration/configuration_defaults.html">Configuration Defaults</a></li>
+</ul>
+</li>
+<li class="toctree-l1"><a class="reference internal" href="../cli.html">Command Line Interface (TSQL)</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../cli.html#synopsis">Synopsis</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../cli.html#entering-tsql-shell">Entering tsql shell</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../cli.html#meta-commands">Meta Commands</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../cli.html#examples">Examples</a></li>
+</ul>
+</li>
+<li class="toctree-l1 current"><a class="reference internal" href="../sql_language.html">SQL Language</a><ul class="current">
+<li class="toctree-l2"><a class="reference internal" href="data_model.html">Data Model</a></li>
+<li class="toctree-l2"><a class="reference internal" href="ddl.html">Data Definition Language</a></li>
+<li class="toctree-l2"><a class="reference internal" href="insert.html">INSERT (OVERWRITE) INTO</a></li>
+<li class="toctree-l2"><a class="reference internal" href="queries.html">Queries</a></li>
+<li class="toctree-l2 current"><a class="current reference internal" href="">SQL Expressions</a></li>
+<li class="toctree-l2"><a class="reference internal" href="predicates.html">Predicates</a></li>
+</ul>
+</li>
+<li class="toctree-l1"><a class="reference internal" href="../functions.html">Functions</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../functions/math_func_and_operators.html">Math Functions and Operators</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../functions/string_func_and_operators.html">String Functions and Operators</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../functions/datetime_func_and_operators.html">DateTime Functions and Operators</a></li>
+</ul>
+</li>
+<li class="toctree-l1"><a class="reference internal" href="../table_management.html">Table Management</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../table_management/file_formats.html">File Formats</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../table_management/compression.html">Compression</a></li>
+</ul>
+</li>
+<li class="toctree-l1"><a class="reference internal" href="../table_partitioning.html">Table Partitioning</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../partitioning/intro_to_partitioning.html">Introduction to Partitioning</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../partitioning/column_partitioning.html">Column Partitioning</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../partitioning/range_partitioning.html">Range Partitioning</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../partitioning/hash_partitioning.html">Hash Partitioning</a></li>
+</ul>
+</li>
+<li class="toctree-l1"><a class="reference internal" href="../backup_and_restore.html">Backup and Restore</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../backup_and_restore/catalog.html">Backup and Restore Catalog</a></li>
+</ul>
+</li>
+<li class="toctree-l1"><a class="reference internal" href="../hcatalog_integration.html">HCatalog Integration</a></li>
+<li class="toctree-l1"><a class="reference internal" href="../jdbc_driver.html">Tajo JDBC Driver</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../jdbc_driver.html#how-to-get-jdbc-driver">How to get JDBC driver</a></li>
+</ul>
+</li>
+<li class="toctree-l1"><a class="reference internal" href="../tajo_client_api.html">Tajo Client API</a></li>
+<li class="toctree-l1"><a class="reference internal" href="../faq.html">FAQ</a></li>
+</ul>
+
+
+ </div>
+
+ </nav>
+
+ <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap">
+
+
+ <nav class="wy-nav-top">
+ <i data-toggle="wy-nav-top" class="icon icon-reorder"></i>
+ <a href="/">Apache Tajo</a>
+ </nav>
+
+
+
+ <div class="wy-nav-content">
+ <div class="rst-content">
+ <ul class="wy-breadcrumbs">
+ <li><a href="../index.html">Docs</a> »</li>
+ <li><a href="">SQL Expressions</a></li>
+
+</ul>
+<hr/>
+
+
+ <div class="section" id="sql-expressions">
+<h1>SQL Expressions<a class="headerlink" href="#sql-expressions" title="Permalink to this headline">¶</a></h1>
+<div class="section" id="arithmetic-expressions">
+<h2>Arithmetic Expressions<a class="headerlink" href="#arithmetic-expressions" title="Permalink to this headline">¶</a></h2>
+</div>
+<div class="section" id="type-casts">
+<h2>Type Casts<a class="headerlink" href="#type-casts" title="Permalink to this headline">¶</a></h2>
+<p>A type cast converts a specified-typed data to another-typed data. Tajo has two type cast syntax:</p>
+<div class="highlight-sql"><div class="highlight"><pre><span class="k">CAST</span> <span class="p">(</span> <span class="n">expression</span> <span class="k">AS</span> <span class="k">type</span> <span class="p">)</span>
+<span class="n">expression</span><span class="p">::</span><span class="k">type</span>
+</pre></div>
+</div>
+</div>
+<div class="section" id="string-expressions">
+<h2>String Expressions<a class="headerlink" href="#string-expressions" title="Permalink to this headline">¶</a></h2>
+</div>
+<div class="section" id="function-call">
+<h2>Function Call<a class="headerlink" href="#function-call" title="Permalink to this headline">¶</a></h2>
+<div class="highlight-sql"><div class="highlight"><pre><span class="n">function_name</span> <span class="p">([</span><span class="n">expression</span> <span class="p">[,</span> <span class="n">expression</span> <span class="p">...</span> <span class="p">]]</span> <span class="p">)</span>
+</pre></div>
+</div>
+</div>
+</div>
+
+
+ <footer>
+
+ <div class="rst-footer-buttons">
+
+ <a href="predicates.html" class="btn btn-neutral float-right" title="Predicates"/>Next <span class="icon icon-circle-arrow-right"></span></a>
+
+
+ <a href="queries.html" class="btn btn-neutral" title="Queries"><span class="icon icon-circle-arrow-left"></span> Previous</a>
+
+ </div>
+
+
+ <hr/>
+
+ <p>
+ © Copyright 2014, Apache Tajo Team.
+ </p>
+
+ <a href="https://www.github.com/snide/sphinx_rtd_theme">Sphinx theme</a> provided by <a href="http://readthedocs.org">Read the Docs</a>
+</footer>
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+
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+
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+
+
+</body>
+</html>
\ No newline at end of file
Added: incubator/tajo/site/docs/0.8.0/table_management.html
URL: http://svn.apache.org/viewvc/incubator/tajo/site/docs/0.8.0/table_management.html?rev=1574393&view=auto
==============================================================================
--- incubator/tajo/site/docs/0.8.0/table_management.html (added)
+++ incubator/tajo/site/docs/0.8.0/table_management.html Wed Mar 5 08:14:33 2014
@@ -0,0 +1,203 @@
+
+
+<!DOCTYPE html>
+<!--[if IE 8]><html class="no-js lt-ie9" lang="en" > <![endif]-->
+<!--[if gt IE 8]><!--> <html class="no-js" lang="en" > <!--<![endif]-->
+<head>
+ <meta charset="utf-8">
+ <meta name="viewport" content="width=device-width, initial-scale=1.0">
+
+ <title>Table Management — Apache Tajo 0.8.0 documentation</title>
+
+
+
+
+
+
+ <link href='https://fonts.googleapis.com/css?family=Lato:400,700|Roboto+Slab:400,700|Inconsolata:400,700' rel='stylesheet' type='text/css'>
+
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+
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+ var DOCUMENTATION_OPTIONS = {
+ URL_ROOT:'./',
+ VERSION:'0.8.0',
+ COLLAPSE_INDEX:false,
+ FILE_SUFFIX:'.html',
+ HAS_SOURCE: true
+ };
+ </script>
+ <script type="text/javascript" src="_static/jquery.js"></script>
+ <script type="text/javascript" src="_static/underscore.js"></script>
+ <script type="text/javascript" src="_static/doctools.js"></script>
+
+
+
+
+
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+<li class="toctree-l2"><a class="reference internal" href="sql_language/queries.html">Queries</a></li>
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+<li class="toctree-l2"><a class="reference internal" href="functions/datetime_func_and_operators.html">DateTime Functions and Operators</a></li>
+</ul>
+</li>
+<li class="toctree-l1 current"><a class="current reference internal" href="">Table Management</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="table_management/file_formats.html">File Formats</a></li>
+<li class="toctree-l2"><a class="reference internal" href="table_management/compression.html">Compression</a></li>
+</ul>
+</li>
+<li class="toctree-l1"><a class="reference internal" href="table_partitioning.html">Table Partitioning</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="partitioning/intro_to_partitioning.html">Introduction to Partitioning</a></li>
+<li class="toctree-l2"><a class="reference internal" href="partitioning/column_partitioning.html">Column Partitioning</a></li>
+<li class="toctree-l2"><a class="reference internal" href="partitioning/range_partitioning.html">Range Partitioning</a></li>
+<li class="toctree-l2"><a class="reference internal" href="partitioning/hash_partitioning.html">Hash Partitioning</a></li>
+</ul>
+</li>
+<li class="toctree-l1"><a class="reference internal" href="backup_and_restore.html">Backup and Restore</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="backup_and_restore/catalog.html">Backup and Restore Catalog</a></li>
+</ul>
+</li>
+<li class="toctree-l1"><a class="reference internal" href="hcatalog_integration.html">HCatalog Integration</a></li>
+<li class="toctree-l1"><a class="reference internal" href="jdbc_driver.html">Tajo JDBC Driver</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="jdbc_driver.html#how-to-get-jdbc-driver">How to get JDBC driver</a></li>
+</ul>
+</li>
+<li class="toctree-l1"><a class="reference internal" href="tajo_client_api.html">Tajo Client API</a></li>
+<li class="toctree-l1"><a class="reference internal" href="faq.html">FAQ</a></li>
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+ <li><a href="">Table Management</a></li>
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+<hr/>
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+ <div class="section" id="table-management">
+<h1>Table Management<a class="headerlink" href="#table-management" title="Permalink to this headline">¶</a></h1>
+<div class="toctree-wrapper compound">
+<ul>
+<li class="toctree-l1"><a class="reference internal" href="table_management/file_formats.html">File Formats</a></li>
+<li class="toctree-l1"><a class="reference internal" href="table_management/compression.html">Compression</a></li>
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Added: incubator/tajo/site/docs/0.8.0/table_management/compression.html
URL: http://svn.apache.org/viewvc/incubator/tajo/site/docs/0.8.0/table_management/compression.html?rev=1574393&view=auto
==============================================================================
--- incubator/tajo/site/docs/0.8.0/table_management/compression.html (added)
+++ incubator/tajo/site/docs/0.8.0/table_management/compression.html Wed Mar 5 08:14:33 2014
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+<!--[if IE 8]><html class="no-js lt-ie9" lang="en" > <![endif]-->
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+ URL_ROOT:'../',
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+ };
+ </script>
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+ <link rel="top" title="Apache Tajo 0.8.0 documentation" href="../index.html"/>
+ <link rel="up" title="Table Management" href="../table_management.html"/>
+ <link rel="next" title="Table Partitioning" href="../table_partitioning.html"/>
+ <link rel="prev" title="File Formats" href="file_formats.html"/>
+
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+<li class="toctree-l1"><a class="reference internal" href="../introduction.html">Introduction</a></li>
+<li class="toctree-l1"><a class="reference internal" href="../getting_started.html">Getting Started</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../getting_started/prerequisites.html">Prerequisites</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../getting_started/downloading_source.html">Dowload and unpack the source code of Apache Tajo</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../getting_started/building.html">Build Source Code</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../getting_started/local_setup.html">Setting up a local Tajo cluster</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../getting_started/first_query.html">First query execution</a></li>
+</ul>
+</li>
+<li class="toctree-l1"><a class="reference internal" href="../configuration.html">Configuration</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../configuration/preliminary.html">Preliminary</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../configuration/cluster_setup.html">Tajo run modes: Standalone and Distributed</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../configuration/tajo_master_configuration.html">Tajo Master Configuration</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../configuration/worker_configuration.html">Worker Configuration</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../configuration/catalog_configuration.html">Catalog Configuration</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../configuration/configuration_defaults.html">Configuration Defaults</a></li>
+</ul>
+</li>
+<li class="toctree-l1"><a class="reference internal" href="../cli.html">Command Line Interface (TSQL)</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../cli.html#synopsis">Synopsis</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../cli.html#entering-tsql-shell">Entering tsql shell</a></li>
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+<li class="toctree-l2"><a class="reference internal" href="../cli.html#examples">Examples</a></li>
+</ul>
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+<li class="toctree-l1"><a class="reference internal" href="../sql_language.html">SQL Language</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../sql_language/data_model.html">Data Model</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../sql_language/ddl.html">Data Definition Language</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../sql_language/insert.html">INSERT (OVERWRITE) INTO</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../sql_language/queries.html">Queries</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../sql_language/sql_expression.html">SQL Expressions</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../sql_language/predicates.html">Predicates</a></li>
+</ul>
+</li>
+<li class="toctree-l1"><a class="reference internal" href="../functions.html">Functions</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../functions/math_func_and_operators.html">Math Functions and Operators</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../functions/string_func_and_operators.html">String Functions and Operators</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../functions/datetime_func_and_operators.html">DateTime Functions and Operators</a></li>
+</ul>
+</li>
+<li class="toctree-l1 current"><a class="reference internal" href="../table_management.html">Table Management</a><ul class="current">
+<li class="toctree-l2"><a class="reference internal" href="file_formats.html">File Formats</a></li>
+<li class="toctree-l2 current"><a class="current reference internal" href="">Compression</a></li>
+</ul>
+</li>
+<li class="toctree-l1"><a class="reference internal" href="../table_partitioning.html">Table Partitioning</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../partitioning/intro_to_partitioning.html">Introduction to Partitioning</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../partitioning/column_partitioning.html">Column Partitioning</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../partitioning/range_partitioning.html">Range Partitioning</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../partitioning/hash_partitioning.html">Hash Partitioning</a></li>
+</ul>
+</li>
+<li class="toctree-l1"><a class="reference internal" href="../backup_and_restore.html">Backup and Restore</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../backup_and_restore/catalog.html">Backup and Restore Catalog</a></li>
+</ul>
+</li>
+<li class="toctree-l1"><a class="reference internal" href="../hcatalog_integration.html">HCatalog Integration</a></li>
+<li class="toctree-l1"><a class="reference internal" href="../jdbc_driver.html">Tajo JDBC Driver</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../jdbc_driver.html#how-to-get-jdbc-driver">How to get JDBC driver</a></li>
+</ul>
+</li>
+<li class="toctree-l1"><a class="reference internal" href="../tajo_client_api.html">Tajo Client API</a></li>
+<li class="toctree-l1"><a class="reference internal" href="../faq.html">FAQ</a></li>
+</ul>
+
+
+ </div>
+
+ </nav>
+
+ <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap">
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+ <div class="rst-content">
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+ <li><a href="../index.html">Docs</a> »</li>
+ <li><a href="">Compression</a></li>
+
+</ul>
+<hr/>
+
+
+ <div class="section" id="compression">
+<h1>Compression<a class="headerlink" href="#compression" title="Permalink to this headline">¶</a></h1>
+<div class="admonition-todo admonition" id="index-0">
+<p class="first last admonition-title">Todo</p>
+</div>
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+ <footer>
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+ <div class="rst-footer-buttons">
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+ <a href="../table_partitioning.html" class="btn btn-neutral float-right" title="Table Partitioning"/>Next <span class="icon icon-circle-arrow-right"></span></a>
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+ </p>
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+</html>
\ No newline at end of file
Added: incubator/tajo/site/docs/0.8.0/table_management/file_formats.html
URL: http://svn.apache.org/viewvc/incubator/tajo/site/docs/0.8.0/table_management/file_formats.html?rev=1574393&view=auto
==============================================================================
--- incubator/tajo/site/docs/0.8.0/table_management/file_formats.html (added)
+++ incubator/tajo/site/docs/0.8.0/table_management/file_formats.html Wed Mar 5 08:14:33 2014
@@ -0,0 +1,207 @@
+
+
+<!DOCTYPE html>
+<!--[if IE 8]><html class="no-js lt-ie9" lang="en" > <![endif]-->
+<!--[if gt IE 8]><!--> <html class="no-js" lang="en" > <!--<![endif]-->
+<head>
+ <meta charset="utf-8">
+ <meta name="viewport" content="width=device-width, initial-scale=1.0">
+
+ <title>File Formats — Apache Tajo 0.8.0 documentation</title>
+
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+
+ <link href='https://fonts.googleapis.com/css?family=Lato:400,700|Roboto+Slab:400,700|Inconsolata:400,700' rel='stylesheet' type='text/css'>
+
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+
+ <script type="text/javascript">
+ var DOCUMENTATION_OPTIONS = {
+ URL_ROOT:'../',
+ VERSION:'0.8.0',
+ COLLAPSE_INDEX:false,
+ FILE_SUFFIX:'.html',
+ HAS_SOURCE: true
+ };
+ </script>
+ <script type="text/javascript" src="../_static/jquery.js"></script>
+ <script type="text/javascript" src="../_static/underscore.js"></script>
+ <script type="text/javascript" src="../_static/doctools.js"></script>
+
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+ <link rel="stylesheet" href="../_static/css/theme.css" type="text/css" />
+ <script type="text/javascript" src="_static/js/theme.js"></script>
+
+
+
+ <link rel="top" title="Apache Tajo 0.8.0 documentation" href="../index.html"/>
+ <link rel="up" title="Table Management" href="../table_management.html"/>
+ <link rel="next" title="Compression" href="compression.html"/>
+ <link rel="prev" title="Table Management" href="../table_management.html"/>
+
+ <script src="//cdnjs.cloudflare.com/ajax/libs/modernizr/2.6.2/modernizr.min.js"></script>
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+
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+</form>
+ </div>
+
+ <div class="wy-menu wy-menu-vertical" data-spy="affix">
+
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+ <ul class="current">
+<li class="toctree-l1"><a class="reference internal" href="../introduction.html">Introduction</a></li>
+<li class="toctree-l1"><a class="reference internal" href="../getting_started.html">Getting Started</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../getting_started/prerequisites.html">Prerequisites</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../getting_started/downloading_source.html">Dowload and unpack the source code of Apache Tajo</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../getting_started/building.html">Build Source Code</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../getting_started/local_setup.html">Setting up a local Tajo cluster</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../getting_started/first_query.html">First query execution</a></li>
+</ul>
+</li>
+<li class="toctree-l1"><a class="reference internal" href="../configuration.html">Configuration</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="../configuration/preliminary.html">Preliminary</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../configuration/cluster_setup.html">Tajo run modes: Standalone and Distributed</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../configuration/tajo_master_configuration.html">Tajo Master Configuration</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../configuration/worker_configuration.html">Worker Configuration</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../configuration/catalog_configuration.html">Catalog Configuration</a></li>
+<li class="toctree-l2"><a class="reference internal" href="../configuration/configuration_defaults.html">Configuration Defaults</a></li>
+</ul>
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Added: incubator/tajo/site/docs/0.8.0/table_partitioning.html
URL: http://svn.apache.org/viewvc/incubator/tajo/site/docs/0.8.0/table_partitioning.html?rev=1574393&view=auto
==============================================================================
--- incubator/tajo/site/docs/0.8.0/table_partitioning.html (added)
+++ incubator/tajo/site/docs/0.8.0/table_partitioning.html Wed Mar 5 08:14:33 2014
@@ -0,0 +1,205 @@
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+</li>
+<li class="toctree-l1 current"><a class="current reference internal" href="">Table Partitioning</a><ul>
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+<li class="toctree-l2"><a class="reference internal" href="partitioning/column_partitioning.html">Column Partitioning</a></li>
+<li class="toctree-l2"><a class="reference internal" href="partitioning/range_partitioning.html">Range Partitioning</a></li>
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