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From tylerho...@apache.org
Subject svn commit: r1757435 [10/30] - in /cassandra/site/publish/doc: 3.10/ 3.10/architecture/ 3.10/configuration/ 3.10/cql/ 3.10/data_modeling/ 3.10/development/ 3.10/faq/ 3.10/getting_started/ 3.10/operating/ 3.10/tools/ 3.10/troubleshooting/ latest/ latest...
Date Tue, 23 Aug 2016 20:58:09 GMT
Added: cassandra/site/publish/doc/3.10/cql/index.html
URL: http://svn.apache.org/viewvc/cassandra/site/publish/doc/3.10/cql/index.html?rev=1757435&view=auto
==============================================================================
--- cassandra/site/publish/doc/3.10/cql/index.html (added)
+++ cassandra/site/publish/doc/3.10/cql/index.html Tue Aug 23 20:58:08 2016
@@ -0,0 +1,383 @@
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+<li class="toctree-l1"><a class="reference internal" href="../data_modeling/index.html">Data Modeling</a></li>
+<li class="toctree-l1 current"><a class="current reference internal" href="#">The Cassandra Query Language (CQL)</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="definitions.html">Definitions</a></li>
+<li class="toctree-l2"><a class="reference internal" href="types.html">Data Types</a></li>
+<li class="toctree-l2"><a class="reference internal" href="ddl.html">Data Definition</a></li>
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+<li class="toctree-l2"><a class="reference internal" href="appendices.html">Appendices</a></li>
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+  <div class="section" id="the-cassandra-query-language-cql">
+<span id="cql"></span><h1>The Cassandra Query Language (CQL)<a class="headerlink" href="#the-cassandra-query-language-cql" title="Permalink to this headline">¶</a></h1>
+<p>This document describes the Cassandra Query Language (CQL) <a class="footnote-reference" href="#id2" id="id1">[1]</a>. Note that this document describes the last version of
+the languages. However, the <a class="reference external" href="#changes">changes</a> section provides the diff between the different versions of CQL.</p>
+<p>CQL offers a model close to SQL in the sense that data is put in <em>tables</em> containing <em>rows</em> of <em>columns</em>. For
+that reason, when used in this document, these terms (tables, rows and columns) have the same definition than they have
+in SQL. But please note that as such, they do <strong>not</strong> refer to the concept of rows and columns found in the deprecated
+thrift API (and earlier version 1 and 2 of CQL).</p>
+<div class="toctree-wrapper compound">
+<ul>
+<li class="toctree-l1"><a class="reference internal" href="definitions.html">Definitions</a><ul>
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+<li class="toctree-l2"><a class="reference internal" href="definitions.html#identifiers">Identifiers and keywords</a></li>
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+<li class="toctree-l2"><a class="reference internal" href="definitions.html#comments">Comments</a></li>
+<li class="toctree-l2"><a class="reference internal" href="definitions.html#statements">Statements</a></li>
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+<li class="toctree-l1"><a class="reference internal" href="types.html">Data Types</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="types.html#native-types">Native Types</a></li>
+<li class="toctree-l2"><a class="reference internal" href="types.html#working-with-timestamps">Working with timestamps</a></li>
+<li class="toctree-l2"><a class="reference internal" href="types.html#working-with-dates">Working with dates</a></li>
+<li class="toctree-l2"><a class="reference internal" href="types.html#working-with-times">Working with times</a></li>
+<li class="toctree-l2"><a class="reference internal" href="types.html#collections">Collections</a></li>
+<li class="toctree-l2"><a class="reference internal" href="types.html#user-defined-types">User-Defined Types</a></li>
+<li class="toctree-l2"><a class="reference internal" href="types.html#tuples">Tuples</a></li>
+<li class="toctree-l2"><a class="reference internal" href="types.html#custom-types">Custom Types</a></li>
+</ul>
+</li>
+<li class="toctree-l1"><a class="reference internal" href="ddl.html">Data Definition</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="ddl.html#common-definitions">Common definitions</a></li>
+<li class="toctree-l2"><a class="reference internal" href="ddl.html#create-keyspace">CREATE KEYSPACE</a></li>
+<li class="toctree-l2"><a class="reference internal" href="ddl.html#use">USE</a></li>
+<li class="toctree-l2"><a class="reference internal" href="ddl.html#alter-keyspace">ALTER KEYSPACE</a></li>
+<li class="toctree-l2"><a class="reference internal" href="ddl.html#drop-keyspace">DROP KEYSPACE</a></li>
+<li class="toctree-l2"><a class="reference internal" href="ddl.html#create-table">CREATE TABLE</a></li>
+<li class="toctree-l2"><a class="reference internal" href="ddl.html#alter-table">ALTER TABLE</a></li>
+<li class="toctree-l2"><a class="reference internal" href="ddl.html#drop-table">DROP TABLE</a></li>
+<li class="toctree-l2"><a class="reference internal" href="ddl.html#truncate">TRUNCATE</a></li>
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+<li class="toctree-l1"><a class="reference internal" href="dml.html">Data Manipulation</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="dml.html#select">SELECT</a></li>
+<li class="toctree-l2"><a class="reference internal" href="dml.html#insert">INSERT</a></li>
+<li class="toctree-l2"><a class="reference internal" href="dml.html#update">UPDATE</a></li>
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+<li class="toctree-l2"><a class="reference internal" href="dml.html#batch">BATCH</a></li>
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+<li class="toctree-l2"><a class="reference internal" href="mvs.html#drop-materialized-view">DROP MATERIALIZED VIEW</a></li>
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+<li class="toctree-l2"><a class="reference internal" href="functions.html#aggregate-functions">Aggregate functions</a></li>
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+<li class="toctree-l1"><a class="reference internal" href="json.html">JSON Support</a><ul>
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+<li class="toctree-l2"><a class="reference internal" href="json.html#insert-json">INSERT JSON</a></li>
+<li class="toctree-l2"><a class="reference internal" href="json.html#json-encoding-of-cassandra-data-types">JSON Encoding of Cassandra Data Types</a></li>
+<li class="toctree-l2"><a class="reference internal" href="json.html#the-fromjson-function">The fromJson() Function</a></li>
+<li class="toctree-l2"><a class="reference internal" href="json.html#the-tojson-function">The toJson() Function</a></li>
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+<li class="toctree-l2"><a class="reference internal" href="triggers.html#create-trigger">CREATE TRIGGER</a></li>
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+<li class="toctree-l1"><a class="reference internal" href="appendices.html">Appendices</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="appendices.html#appendix-a-cql-keywords">Appendix A: CQL Keywords</a></li>
+<li class="toctree-l2"><a class="reference internal" href="appendices.html#appendix-b-cql-reserved-types">Appendix B: CQL Reserved Types</a></li>
+</ul>
+</li>
+<li class="toctree-l1"><a class="reference internal" href="changes.html">Changes</a><ul>
+<li class="toctree-l2"><a class="reference internal" href="changes.html#id1">3.4.3</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changes.html#id2">3.4.2</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changes.html#id3">3.4.1</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changes.html#id4">3.4.0</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changes.html#id5">3.3.1</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changes.html#id6">3.3.0</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changes.html#id7">3.2.0</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changes.html#id8">3.1.7</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changes.html#id9">3.1.6</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changes.html#id10">3.1.5</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changes.html#id11">3.1.4</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changes.html#id12">3.1.3</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changes.html#id13">3.1.2</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changes.html#id14">3.1.1</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changes.html#id15">3.1.0</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changes.html#id16">3.0.5</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changes.html#id17">3.0.4</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changes.html#id18">3.0.3</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changes.html#id19">3.0.2</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changes.html#id20">3.0.1</a></li>
+<li class="toctree-l2"><a class="reference internal" href="changes.html#versioning">Versioning</a></li>
+</ul>
+</li>
+</ul>
+</div>
+<table class="docutils footnote" frame="void" id="id2" rules="none">
+<colgroup><col class="label" /><col /></colgroup>
+<tbody valign="top">
+<tr><td class="label"><a class="fn-backref" href="#id1">[1]</a></td><td>Technically, this document CQL version 3, which is not backward compatible with CQL version 1 and 2 (which have
+been deprecated and remove) and differs from it in numerous ways.</td></tr>
+</tbody>
+</table>
+</div>
+
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+  } catch(err) {}
+</script>
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+</html>

Added: cassandra/site/publish/doc/3.10/cql/indexes.html
URL: http://svn.apache.org/viewvc/cassandra/site/publish/doc/3.10/cql/indexes.html?rev=1757435&view=auto
==============================================================================
--- cassandra/site/publish/doc/3.10/cql/indexes.html (added)
+++ cassandra/site/publish/doc/3.10/cql/indexes.html Tue Aug 23 20:58:08 2016
@@ -0,0 +1,314 @@
+<!DOCTYPE html>
+<html>
+  
+
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+
+<head>
+  <meta charset="utf-8">
+  <meta http-equiv="X-UA-Compatible" content="IE=edge">
+  <meta name="viewport" content="width=device-width, initial-scale=1">
+  <meta name="description" content="The Apache Cassandra database is the right choice when you need scalability and high availability without compromising performance. Linear scalability and proven fault-tolerance on commodity hardware or cloud infrastructure make it the perfect platform for mission-critical data. Cassandra's support for replicating across multiple datacenters is best-in-class, providing lower latency for your users and the peace of mind of knowing that you can survive regional outages.
+">
+  <meta name="keywords" content="cassandra, apache, apache cassandra, distributed storage, key value store, scalability, bigtable, dynamo" />
+  <meta name="robots" content="index,follow" />
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+  <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css" integrity="sha384-1q8mTJOASx8j1Au+a5WDVnPi2lkFfwwEAa8hDDdjZlpLegxhjVME1fgjWPGmkzs7" crossorigin="anonymous">
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+   <link rel="top" title="Apache Cassandra Documentation v3.10" href="../index.html"/> <link rel="up" title="The Cassandra Query Language (CQL)" href="index.html"/> <link rel="next" title="Materialized Views" href="mvs.html"/> <link rel="prev" title="Data Manipulation" href="dml.html"/> 
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+<li class="toctree-l1"><a class="reference internal" href="../data_modeling/index.html">Data Modeling</a></li>
+<li class="toctree-l1 current"><a class="reference internal" href="index.html">The Cassandra Query Language (CQL)</a><ul class="current">
+<li class="toctree-l2"><a class="reference internal" href="definitions.html">Definitions</a></li>
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+<li class="toctree-l2"><a class="reference internal" href="dml.html">Data Manipulation</a></li>
+<li class="toctree-l2 current"><a class="current reference internal" href="#">Secondary Indexes</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="#create-index">CREATE INDEX</a></li>
+<li class="toctree-l3"><a class="reference internal" href="#drop-index">DROP INDEX</a></li>
+</ul>
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+</ul>
+</li>
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+      <div class="content doc-content">
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+          
+  <div class="section" id="secondary-indexes">
+<span id="id1"></span><h1>Secondary Indexes<a class="headerlink" href="#secondary-indexes" title="Permalink to this headline">¶</a></h1>
+<p>CQL supports creating secondary indexes on tables, allowing queries on the table to use those indexes. A secondary index
+is identified by a name defined by:</p>
+<pre>
+<strong id="grammar-token-index_name">index_name</strong> ::=  re('[a-zA-Z_0-9]+')
+</pre>
+<div class="section" id="create-index">
+<span id="create-index-statement"></span><h2>CREATE INDEX<a class="headerlink" href="#create-index" title="Permalink to this headline">¶</a></h2>
+<p>Creating a secondary index on a table uses the <code class="docutils literal"><span class="pre">CREATE</span> <span class="pre">INDEX</span></code> statement:</p>
+<pre>
+<strong id="grammar-token-create_index_statement">create_index_statement</strong> ::=  CREATE [ CUSTOM ] INDEX [ IF NOT EXISTS ] [ <a class="reference internal" href="#grammar-token-index_name"><code class="xref docutils literal"><span class="pre">index_name</span></code></a> ]
+                                ON <a class="reference internal" href="ddl.html#grammar-token-table_name"><code class="xref docutils literal"><span class="pre">table_name</span></code></a> '(' <a class="reference internal" href="#grammar-token-index_identifier"><code class="xref docutils literal"><span class="pre">index_identifier</span></code></a> ')'
+                                [ USING <a class="reference internal" href="definitions.html#grammar-token-string"><code class="xref docutils literal"><span class="pre">string</span></code></a> [ WITH OPTIONS = <a class="reference internal" href="types.html#grammar-token-map_literal"><code class="xref docutils literal"><span class="pre">map_literal</span></code></a> ] ]
+<strong id="grammar-token-index_identifier">index_identifier      </strong> ::=  <a class="reference internal" href="ddl.html#grammar-token-column_name"><code class="xref docutils literal"><span class="pre">column_name</span></code></a>
+                           | ( KEYS | VALUES | ENTRIES | FULL ) '(' <a class="reference internal" href="ddl.html#grammar-token-column_name"><code class="xref docutils literal"><span class="pre">column_name</span></code></a> ')'
+</pre>
+<p>For instance:</p>
+<div class="highlight-cql"><div class="highlight"><pre><span></span><span class="k">CREATE</span> <span class="k">INDEX</span> <span class="n">userIndex</span> <span class="k">ON</span> <span class="n">NerdMovies</span> <span class="p">(</span><span class="k">user</span><span class="p">);</span>
+<span class="k">CREATE</span> <span class="k">INDEX</span> <span class="k">ON</span> <span class="n">Mutants</span> <span class="p">(</span><span class="n">abilityId</span><span class="p">);</span>
+<span class="k">CREATE</span> <span class="k">INDEX</span> <span class="k">ON</span> <span class="k">users</span> <span class="p">(</span><span class="k">keys</span><span class="p">(</span><span class="n">favs</span><span class="p">));</span>
+<span class="k">CREATE</span> <span class="k">CUSTOM</span> <span class="k">INDEX</span> <span class="k">ON</span> <span class="k">users</span> <span class="p">(</span><span class="n">email</span><span class="p">)</span> <span class="k">USING</span> <span class="s1">&#39;path.to.the.IndexClass&#39;</span><span class="p">;</span>
+<span class="k">CREATE</span> <span class="k">CUSTOM</span> <span class="k">INDEX</span> <span class="k">ON</span> <span class="k">users</span> <span class="p">(</span><span class="n">email</span><span class="p">)</span> <span class="k">USING</span> <span class="s1">&#39;path.to.the.IndexClass&#39;</span> <span class="k">WITH</span> <span class="k">OPTIONS</span> <span class="o">=</span> <span class="p">{</span><span class="s1">&#39;storage&#39;</span><span class="p">:</span> <span class="s1">&#39;/mnt/ssd/indexes/&#39;</span><span class="p">};</span>
+</pre></div>
+</div>
+<p>The <code class="docutils literal"><span class="pre">CREATE</span> <span class="pre">INDEX</span></code> statement is used to create a new (automatic) secondary index for a given (existing) column in a
+given table. A name for the index itself can be specified before the <code class="docutils literal"><span class="pre">ON</span></code> keyword, if desired. If data already exists
+for the column, it will be indexed asynchronously. After the index is created, new data for the column is indexed
+automatically at insertion time.</p>
+<p>Attempting to create an already existing index will return an error unless the <code class="docutils literal"><span class="pre">IF</span> <span class="pre">NOT</span> <span class="pre">EXISTS</span></code> option is used. If it
+is used, the statement will be a no-op if the index already exists.</p>
+<div class="section" id="indexes-on-map-keys">
+<h3>Indexes on Map Keys<a class="headerlink" href="#indexes-on-map-keys" title="Permalink to this headline">¶</a></h3>
+<p>When creating an index on a <a class="reference internal" href="types.html#maps"><span class="std std-ref">maps</span></a>, you may index either the keys or the values. If the column identifier is
+placed within the <code class="docutils literal"><span class="pre">keys()</span></code> function, the index will be on the map keys, allowing you to use <code class="docutils literal"><span class="pre">CONTAINS</span> <span class="pre">KEY</span></code> in
+<code class="docutils literal"><span class="pre">WHERE</span></code> clauses. Otherwise, the index will be on the map values.</p>
+</div>
+</div>
+<div class="section" id="drop-index">
+<span id="drop-index-statement"></span><h2>DROP INDEX<a class="headerlink" href="#drop-index" title="Permalink to this headline">¶</a></h2>
+<p>Dropping a secondary index uses the <code class="docutils literal"><span class="pre">DROP</span> <span class="pre">INDEX</span></code> statement:</p>
+<pre>
+<strong id="grammar-token-drop_index_statement">drop_index_statement</strong> ::=  DROP INDEX [ IF EXISTS ] <a class="reference internal" href="#grammar-token-index_name"><code class="xref docutils literal"><span class="pre">index_name</span></code></a>
+</pre>
+<p>The <code class="docutils literal"><span class="pre">DROP</span> <span class="pre">INDEX</span></code> statement is used to drop an existing secondary index. The argument of the statement is the index
+name, which may optionally specify the keyspace of the index.</p>
+<p>If the index does not exists, the statement will return an error, unless <code class="docutils literal"><span class="pre">IF</span> <span class="pre">EXISTS</span></code> is used in which case the
+operation is a no-op.</p>
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Added: cassandra/site/publish/doc/3.10/cql/json.html
URL: http://svn.apache.org/viewvc/cassandra/site/publish/doc/3.10/cql/json.html?rev=1757435&view=auto
==============================================================================
--- cassandra/site/publish/doc/3.10/cql/json.html (added)
+++ cassandra/site/publish/doc/3.10/cql/json.html Tue Aug 23 20:58:08 2016
@@ -0,0 +1,461 @@
+<!DOCTYPE html>
+<html>
+  
+
+
+
+<head>
+  <meta charset="utf-8">
+  <meta http-equiv="X-UA-Compatible" content="IE=edge">
+  <meta name="viewport" content="width=device-width, initial-scale=1">
+  <meta name="description" content="The Apache Cassandra database is the right choice when you need scalability and high availability without compromising performance. Linear scalability and proven fault-tolerance on commodity hardware or cloud infrastructure make it the perfect platform for mission-critical data. Cassandra's support for replicating across multiple datacenters is best-in-class, providing lower latency for your users and the peace of mind of knowing that you can survive regional outages.
+">
+  <meta name="keywords" content="cassandra, apache, apache cassandra, distributed storage, key value store, scalability, bigtable, dynamo" />
+  <meta name="robots" content="index,follow" />
+  <meta name="language" content="en" />  
+
+  <title>Documentation</title>
+
+  <link rel="canonical" href="http://cassandra.apache.org/doc/3.10/cql/json.html">
+
+  <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css" integrity="sha384-1q8mTJOASx8j1Au+a5WDVnPi2lkFfwwEAa8hDDdjZlpLegxhjVME1fgjWPGmkzs7" crossorigin="anonymous">
+  <link rel="stylesheet" href="./../../../css/style.css">
+  
+  <link rel="stylesheet" href="./../../../css/sphinx.css">
+  
+
+   <link rel="top" title="Apache Cassandra Documentation v3.10" href="../index.html"/> <link rel="up" title="The Cassandra Query Language (CQL)" href="index.html"/> <link rel="next" title="Triggers" href="triggers.html"/> <link rel="prev" title="Functions" href="functions.html"/> 
+</head>
+
+  <body>
+    <!-- breadcrumbs -->
+<div class="topnav">
+  <div class="container breadcrumb-container">
+    <ul class="breadcrumb">
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+        <li><a href="./../../../doc">Documentation</a></li>
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+<li class="toctree-l2 current"><a class="current reference internal" href="#">JSON Support</a><ul>
+<li class="toctree-l3"><a class="reference internal" href="#select-json">SELECT JSON</a></li>
+<li class="toctree-l3"><a class="reference internal" href="#insert-json">INSERT JSON</a></li>
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+          
+  <div class="section" id="json-support">
+<span id="cql-json"></span><h1>JSON Support<a class="headerlink" href="#json-support" title="Permalink to this headline">¶</a></h1>
+<p>Cassandra 2.2 introduces JSON support to <a class="reference internal" href="dml.html#select-statement"><span class="std std-ref">SELECT</span></a> and <a class="reference internal" href="dml.html#insert-statement"><span class="std std-ref">INSERT</span></a>
+statements. This support does not fundamentally alter the CQL API (for example, the schema is still enforced), it simply
+provides a convenient way to work with JSON documents.</p>
+<div class="section" id="select-json">
+<h2>SELECT JSON<a class="headerlink" href="#select-json" title="Permalink to this headline">¶</a></h2>
+<p>With <code class="docutils literal"><span class="pre">SELECT</span></code> statements, the <code class="docutils literal"><span class="pre">JSON</span></code> keyword can be used to return each row as a single <code class="docutils literal"><span class="pre">JSON</span></code> encoded map. The
+remainder of the <code class="docutils literal"><span class="pre">SELECT</span></code> statement behavior is the same.</p>
+<p>The result map keys are the same as the column names in a normal result set. For example, a statement like <code class="docutils literal"><span class="pre">SELECT</span> <span class="pre">JSON</span>
+<span class="pre">a,</span> <span class="pre">ttl(b)</span> <span class="pre">FROM</span> <span class="pre">...</span></code> would result in a map with keys <code class="docutils literal"><span class="pre">&quot;a&quot;</span></code> and <code class="docutils literal"><span class="pre">&quot;ttl(b)&quot;</span></code>. However, this is one notable exception:
+for symmetry with <code class="docutils literal"><span class="pre">INSERT</span> <span class="pre">JSON</span></code> behavior, case-sensitive column names with upper-case letters will be surrounded with
+double quotes. For example, <code class="docutils literal"><span class="pre">SELECT</span> <span class="pre">JSON</span> <span class="pre">myColumn</span> <span class="pre">FROM</span> <span class="pre">...</span></code> would result in a map key <code class="docutils literal"><span class="pre">&quot;\&quot;myColumn\&quot;&quot;</span></code> (note the
+escaped quotes).</p>
+<p>The map values will <code class="docutils literal"><span class="pre">JSON</span></code>-encoded representations (as described below) of the result set values.</p>
+</div>
+<div class="section" id="insert-json">
+<h2>INSERT JSON<a class="headerlink" href="#insert-json" title="Permalink to this headline">¶</a></h2>
+<p>With <code class="docutils literal"><span class="pre">INSERT</span></code> statements, the new <code class="docutils literal"><span class="pre">JSON</span></code> keyword can be used to enable inserting a <code class="docutils literal"><span class="pre">JSON</span></code> encoded map as a single
+row. The format of the <code class="docutils literal"><span class="pre">JSON</span></code> map should generally match that returned by a <code class="docutils literal"><span class="pre">SELECT</span> <span class="pre">JSON</span></code> statement on the same
+table. In particular, case-sensitive column names should be surrounded with double quotes. For example, to insert into a
+table with two columns named &#8220;myKey&#8221; and &#8220;value&#8221;, you would do the following:</p>
+<div class="highlight-cql"><div class="highlight"><pre><span></span><span class="k">INSERT</span> <span class="k">INTO</span> <span class="n">mytable</span> <span class="k">JSON</span> <span class="s1">&#39;{ &quot;\&quot;myKey\&quot;&quot;: 0, &quot;value&quot;: 0}&#39;</span>
+</pre></div>
+</div>
+<p>By default (or if <code class="docutils literal"><span class="pre">DEFAULT</span> <span class="pre">NULL</span></code> is explicitly used), a column omitted from the <code class="docutils literal"><span class="pre">JSON</span></code> map will be set to <code class="docutils literal"><span class="pre">NULL</span></code>,
+meaning that any pre-existing value for that column will be removed (resulting in a tombstone being created).
+Alternatively, if the <code class="docutils literal"><span class="pre">DEFAULT</span> <span class="pre">UNSET</span></code> directive is used after the value, omitted column values will be left unset,
+meaning that pre-existing values for those column will be preserved.</p>
+</div>
+<div class="section" id="json-encoding-of-cassandra-data-types">
+<h2>JSON Encoding of Cassandra Data Types<a class="headerlink" href="#json-encoding-of-cassandra-data-types" title="Permalink to this headline">¶</a></h2>
+<p>Where possible, Cassandra will represent and accept data types in their native <code class="docutils literal"><span class="pre">JSON</span></code> representation. Cassandra will
+also accept string representations matching the CQL literal format for all single-field types. For example, floats,
+ints, UUIDs, and dates can be represented by CQL literal strings. However, compound types, such as collections, tuples,
+and user-defined types must be represented by native <code class="docutils literal"><span class="pre">JSON</span></code> collections (maps and lists) or a JSON-encoded string
+representation of the collection.</p>
+<p>The following table describes the encodings that Cassandra will accept in <code class="docutils literal"><span class="pre">INSERT</span> <span class="pre">JSON</span></code> values (and <code class="docutils literal"><span class="pre">fromJson()</span></code>
+arguments) as well as the format Cassandra will use when returning data for <code class="docutils literal"><span class="pre">SELECT</span> <span class="pre">JSON</span></code> statements (and
+<code class="docutils literal"><span class="pre">fromJson()</span></code>):</p>
+<table border="1" class="docutils">
+<colgroup>
+<col width="13%" />
+<col width="21%" />
+<col width="13%" />
+<col width="54%" />
+</colgroup>
+<thead valign="bottom">
+<tr class="row-odd"><th class="head">Type</th>
+<th class="head">Formats accepted</th>
+<th class="head">Return format</th>
+<th class="head">Notes</th>
+</tr>
+</thead>
+<tbody valign="top">
+<tr class="row-even"><td><code class="docutils literal"><span class="pre">ascii</span></code></td>
+<td>string</td>
+<td>string</td>
+<td>Uses JSON&#8217;s <code class="docutils literal"><span class="pre">\u</span></code> character escape</td>
+</tr>
+<tr class="row-odd"><td><code class="docutils literal"><span class="pre">bigint</span></code></td>
+<td>integer, string</td>
+<td>integer</td>
+<td>String must be valid 64 bit integer</td>
+</tr>
+<tr class="row-even"><td><code class="docutils literal"><span class="pre">blob</span></code></td>
+<td>string</td>
+<td>string</td>
+<td>String should be 0x followed by an even number of hex digits</td>
+</tr>
+<tr class="row-odd"><td><code class="docutils literal"><span class="pre">boolean</span></code></td>
+<td>boolean, string</td>
+<td>boolean</td>
+<td>String must be &#8220;true&#8221; or &#8220;false&#8221;</td>
+</tr>
+<tr class="row-even"><td><code class="docutils literal"><span class="pre">date</span></code></td>
+<td>string</td>
+<td>string</td>
+<td>Date in format <code class="docutils literal"><span class="pre">YYYY-MM-DD</span></code>, timezone UTC</td>
+</tr>
+<tr class="row-odd"><td><code class="docutils literal"><span class="pre">decimal</span></code></td>
+<td>integer, float, string</td>
+<td>float</td>
+<td>May exceed 32 or 64-bit IEEE-754 floating point precision in
+client-side decoder</td>
+</tr>
+<tr class="row-even"><td><code class="docutils literal"><span class="pre">double</span></code></td>
+<td>integer, float, string</td>
+<td>float</td>
+<td>String must be valid integer or float</td>
+</tr>
+<tr class="row-odd"><td><code class="docutils literal"><span class="pre">float</span></code></td>
+<td>integer, float, string</td>
+<td>float</td>
+<td>String must be valid integer or float</td>
+</tr>
+<tr class="row-even"><td><code class="docutils literal"><span class="pre">inet</span></code></td>
+<td>string</td>
+<td>string</td>
+<td>IPv4 or IPv6 address</td>
+</tr>
+<tr class="row-odd"><td><code class="docutils literal"><span class="pre">int</span></code></td>
+<td>integer, string</td>
+<td>integer</td>
+<td>String must be valid 32 bit integer</td>
+</tr>
+<tr class="row-even"><td><code class="docutils literal"><span class="pre">list</span></code></td>
+<td>list, string</td>
+<td>list</td>
+<td>Uses JSON&#8217;s native list representation</td>
+</tr>
+<tr class="row-odd"><td><code class="docutils literal"><span class="pre">map</span></code></td>
+<td>map, string</td>
+<td>map</td>
+<td>Uses JSON&#8217;s native map representation</td>
+</tr>
+<tr class="row-even"><td><code class="docutils literal"><span class="pre">smallint</span></code></td>
+<td>integer, string</td>
+<td>integer</td>
+<td>String must be valid 16 bit integer</td>
+</tr>
+<tr class="row-odd"><td><code class="docutils literal"><span class="pre">set</span></code></td>
+<td>list, string</td>
+<td>list</td>
+<td>Uses JSON&#8217;s native list representation</td>
+</tr>
+<tr class="row-even"><td><code class="docutils literal"><span class="pre">text</span></code></td>
+<td>string</td>
+<td>string</td>
+<td>Uses JSON&#8217;s <code class="docutils literal"><span class="pre">\u</span></code> character escape</td>
+</tr>
+<tr class="row-odd"><td><code class="docutils literal"><span class="pre">time</span></code></td>
+<td>string</td>
+<td>string</td>
+<td>Time of day in format <code class="docutils literal"><span class="pre">HH-MM-SS[.fffffffff]</span></code></td>
+</tr>
+<tr class="row-even"><td><code class="docutils literal"><span class="pre">timestamp</span></code></td>
+<td>integer, string</td>
+<td>string</td>
+<td>A timestamp. Strings constant allows to input <a class="reference internal" href="types.html#timestamps"><span class="std std-ref">timestamps
+as dates</span></a>. Datestamps with format <code class="docutils literal"><span class="pre">YYYY-MM-DD</span>
+<span class="pre">HH:MM:SS.SSS</span></code> are returned.</td>
+</tr>
+<tr class="row-odd"><td><code class="docutils literal"><span class="pre">timeuuid</span></code></td>
+<td>string</td>
+<td>string</td>
+<td>Type 1 UUID. See <a class="reference internal" href="definitions.html#grammar-token-constant"><code class="xref std std-token docutils literal"><span class="pre">constant</span></code></a> for the UUID format</td>
+</tr>
+<tr class="row-even"><td><code class="docutils literal"><span class="pre">tinyint</span></code></td>
+<td>integer, string</td>
+<td>integer</td>
+<td>String must be valid 8 bit integer</td>
+</tr>
+<tr class="row-odd"><td><code class="docutils literal"><span class="pre">tuple</span></code></td>
+<td>list, string</td>
+<td>list</td>
+<td>Uses JSON&#8217;s native list representation</td>
+</tr>
+<tr class="row-even"><td><code class="docutils literal"><span class="pre">UDT</span></code></td>
+<td>map, string</td>
+<td>map</td>
+<td>Uses JSON&#8217;s native map representation with field names as keys</td>
+</tr>
+<tr class="row-odd"><td><code class="docutils literal"><span class="pre">uuid</span></code></td>
+<td>string</td>
+<td>string</td>
+<td>See <a class="reference internal" href="definitions.html#grammar-token-constant"><code class="xref std std-token docutils literal"><span class="pre">constant</span></code></a> for the UUID format</td>
+</tr>
+<tr class="row-even"><td><code class="docutils literal"><span class="pre">varchar</span></code></td>
+<td>string</td>
+<td>string</td>
+<td>Uses JSON&#8217;s <code class="docutils literal"><span class="pre">\u</span></code> character escape</td>
+</tr>
+<tr class="row-odd"><td><code class="docutils literal"><span class="pre">varint</span></code></td>
+<td>integer, string</td>
+<td>integer</td>
+<td>Variable length; may overflow 32 or 64 bit integers in
+client-side decoder</td>
+</tr>
+</tbody>
+</table>
+</div>
+<div class="section" id="the-fromjson-function">
+<h2>The fromJson() Function<a class="headerlink" href="#the-fromjson-function" title="Permalink to this headline">¶</a></h2>
+<p>The <code class="docutils literal"><span class="pre">fromJson()</span></code> function may be used similarly to <code class="docutils literal"><span class="pre">INSERT</span> <span class="pre">JSON</span></code>, but for a single column value. It may only be used
+in the <code class="docutils literal"><span class="pre">VALUES</span></code> clause of an <code class="docutils literal"><span class="pre">INSERT</span></code> statement or as one of the column values in an <code class="docutils literal"><span class="pre">UPDATE</span></code>, <code class="docutils literal"><span class="pre">DELETE</span></code>, or
+<code class="docutils literal"><span class="pre">SELECT</span></code> statement. For example, it cannot be used in the selection clause of a <code class="docutils literal"><span class="pre">SELECT</span></code> statement.</p>
+</div>
+<div class="section" id="the-tojson-function">
+<h2>The toJson() Function<a class="headerlink" href="#the-tojson-function" title="Permalink to this headline">¶</a></h2>
+<p>The <code class="docutils literal"><span class="pre">toJson()</span></code> function may be used similarly to <code class="docutils literal"><span class="pre">SELECT</span> <span class="pre">JSON</span></code>, but for a single column value. It may only be used
+in the selection clause of a <code class="docutils literal"><span class="pre">SELECT</span></code> statement.</p>
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