summaryrefslogtreecommitdiffstats
path: root/user_guide/database/utilities.html
diff options
context:
space:
mode:
Diffstat (limited to 'user_guide/database/utilities.html')
-rw-r--r--user_guide/database/utilities.html994
1 files changed, 0 insertions, 994 deletions
diff --git a/user_guide/database/utilities.html b/user_guide/database/utilities.html
deleted file mode 100644
index 4a7dceff8..000000000
--- a/user_guide/database/utilities.html
+++ /dev/null
@@ -1,994 +0,0 @@
-
-
-<!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>Database Utility Class &mdash; CodeIgniter 3.1.5 documentation</title>
-
-
-
-
- <link rel="shortcut icon" href="../_static/ci-icon.ico"/>
-
-
-
- <link href='https://fonts.googleapis.com/css?family=Lato:400,700,400italic,700italic|Roboto+Slab:400,700|Inconsolata:400,700&subset=latin,cyrillic' rel='stylesheet' type='text/css'>
-
-
-
-
-
-
-
-
-
- <link rel="stylesheet" href="../_static/css/citheme.css" type="text/css" />
-
-
-
- <link rel="top" title="CodeIgniter 3.1.5 documentation" href="../index.html"/>
- <link rel="up" title="Database Reference" href="index.html"/>
- <link rel="next" title="DB Driver Reference" href="db_driver_reference.html"/>
- <link rel="prev" title="Database Forge Class" href="forge.html"/>
-
-
- <script src="https://cdnjs.cloudflare.com/ajax/libs/modernizr/2.6.2/modernizr.min.js"></script>
-
-</head>
-
-<body class="wy-body-for-nav" role="document">
-
- <div id="nav">
- <div id="nav_inner">
-
-
-
- <div id="pulldown-menu" class="ciNav">
- <ul>
-<li class="toctree-l1"><a class="reference internal" href="../general/welcome.html">Welcome to CodeIgniter</a><ul class="simple">
-</ul>
-</li>
-</ul>
-<ul>
-<li class="toctree-l1"><a class="reference internal" href="../installation/index.html">Installation Instructions</a><ul>
-<li class="toctree-l2"><a class="reference internal" href="../installation/downloads.html">Downloading CodeIgniter</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../installation/index.html">Installation Instructions</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../installation/upgrading.html">Upgrading From a Previous Version</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../installation/troubleshooting.html">Troubleshooting</a></li>
-</ul>
-</li>
-</ul>
-<ul>
-<li class="toctree-l1"><a class="reference internal" href="../overview/index.html">CodeIgniter Overview</a><ul>
-<li class="toctree-l2"><a class="reference internal" href="../overview/getting_started.html">Getting Started</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../overview/at_a_glance.html">CodeIgniter at a Glance</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../overview/features.html">Supported Features</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../overview/appflow.html">Application Flow Chart</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../overview/mvc.html">Model-View-Controller</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../overview/goals.html">Architectural Goals</a></li>
-</ul>
-</li>
-</ul>
-<ul>
-<li class="toctree-l1"><a class="reference internal" href="../tutorial/index.html">Tutorial</a><ul>
-<li class="toctree-l2"><a class="reference internal" href="../tutorial/static_pages.html">Static pages</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../tutorial/news_section.html">News section</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../tutorial/create_news_items.html">Create news items</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../tutorial/conclusion.html">Conclusion</a></li>
-</ul>
-</li>
-</ul>
-<ul>
-<li class="toctree-l1"><a class="reference internal" href="../contributing/index.html">Contributing to CodeIgniter</a><ul>
-<li class="toctree-l2"><a class="reference internal" href="../documentation/index.html">Writing CodeIgniter Documentation</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../DCO.html">Developer&#8217;s Certificate of Origin 1.1</a></li>
-</ul>
-</li>
-</ul>
-<ul>
-<li class="toctree-l1"><a class="reference internal" href="../general/index.html">General Topics</a><ul>
-<li class="toctree-l2"><a class="reference internal" href="../general/urls.html">CodeIgniter URLs</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../general/controllers.html">Controllers</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../general/reserved_names.html">Reserved Names</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../general/views.html">Views</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../general/models.html">Models</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../general/helpers.html">Helpers</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../general/libraries.html">Using CodeIgniter Libraries</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../general/creating_libraries.html">Creating Libraries</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../general/drivers.html">Using CodeIgniter Drivers</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../general/creating_drivers.html">Creating Drivers</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../general/core_classes.html">Creating Core System Classes</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../general/ancillary_classes.html">Creating Ancillary Classes</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../general/hooks.html">Hooks - Extending the Framework Core</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../general/autoloader.html">Auto-loading Resources</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../general/common_functions.html">Common Functions</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../general/compatibility_functions.html">Compatibility Functions</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../general/routing.html">URI Routing</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../general/errors.html">Error Handling</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../general/caching.html">Caching</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../general/profiling.html">Profiling Your Application</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../general/cli.html">Running via the CLI</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../general/managing_apps.html">Managing your Applications</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../general/environments.html">Handling Multiple Environments</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../general/alternative_php.html">Alternate PHP Syntax for View Files</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../general/security.html">Security</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../general/styleguide.html">PHP Style Guide</a></li>
-</ul>
-</li>
-</ul>
-<ul>
-<li class="toctree-l1"><a class="reference internal" href="../libraries/index.html">Libraries</a><ul>
-<li class="toctree-l2"><a class="reference internal" href="../libraries/benchmark.html">Benchmarking Class</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../libraries/caching.html">Caching Driver</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../libraries/calendar.html">Calendaring Class</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../libraries/cart.html">Shopping Cart Class</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../libraries/config.html">Config Class</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../libraries/email.html">Email Class</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../libraries/encrypt.html">Encrypt Class</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../libraries/encryption.html">Encryption Library</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../libraries/file_uploading.html">File Uploading Class</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../libraries/form_validation.html">Form Validation</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../libraries/ftp.html">FTP Class</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../libraries/image_lib.html">Image Manipulation Class</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../libraries/input.html">Input Class</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../libraries/javascript.html">Javascript Class</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../libraries/language.html">Language Class</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../libraries/loader.html">Loader Class</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../libraries/migration.html">Migrations Class</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../libraries/output.html">Output Class</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../libraries/pagination.html">Pagination Class</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../libraries/parser.html">Template Parser Class</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../libraries/security.html">Security Class</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../libraries/sessions.html">Session Library</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../libraries/table.html">HTML Table Class</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../libraries/trackback.html">Trackback Class</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../libraries/typography.html">Typography Class</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../libraries/unit_testing.html">Unit Testing Class</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../libraries/uri.html">URI Class</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../libraries/user_agent.html">User Agent Class</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../libraries/xmlrpc.html">XML-RPC and XML-RPC Server Classes</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../libraries/zip.html">Zip Encoding Class</a></li>
-</ul>
-</li>
-</ul>
-<ul class="current">
-<li class="toctree-l1 current"><a class="reference internal" href="index.html">Database Reference</a><ul class="current">
-<li class="toctree-l2"><a class="reference internal" href="examples.html">Quick Start: Usage Examples</a></li>
-<li class="toctree-l2"><a class="reference internal" href="configuration.html">Database Configuration</a></li>
-<li class="toctree-l2"><a class="reference internal" href="connecting.html">Connecting to a Database</a></li>
-<li class="toctree-l2"><a class="reference internal" href="queries.html">Running Queries</a></li>
-<li class="toctree-l2"><a class="reference internal" href="results.html">Generating Query Results</a></li>
-<li class="toctree-l2"><a class="reference internal" href="helpers.html">Query Helper Functions</a></li>
-<li class="toctree-l2"><a class="reference internal" href="query_builder.html">Query Builder Class</a></li>
-<li class="toctree-l2"><a class="reference internal" href="transactions.html">Transactions</a></li>
-<li class="toctree-l2"><a class="reference internal" href="metadata.html">Getting MetaData</a></li>
-<li class="toctree-l2"><a class="reference internal" href="call_function.html">Custom Function Calls</a></li>
-<li class="toctree-l2"><a class="reference internal" href="caching.html">Query Caching</a></li>
-<li class="toctree-l2"><a class="reference internal" href="forge.html">Database Manipulation with Database Forge</a></li>
-<li class="toctree-l2 current"><a class="current reference internal" href="">Database Utilities Class</a></li>
-<li class="toctree-l2"><a class="reference internal" href="db_driver_reference.html">Database Driver Reference</a></li>
-</ul>
-</li>
-</ul>
-<ul>
-<li class="toctree-l1"><a class="reference internal" href="../helpers/index.html">Helpers</a><ul>
-<li class="toctree-l2"><a class="reference internal" href="../helpers/array_helper.html">Array Helper</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../helpers/captcha_helper.html">CAPTCHA Helper</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../helpers/cookie_helper.html">Cookie Helper</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../helpers/date_helper.html">Date Helper</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../helpers/directory_helper.html">Directory Helper</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../helpers/download_helper.html">Download Helper</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../helpers/email_helper.html">Email Helper</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../helpers/file_helper.html">File Helper</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../helpers/form_helper.html">Form Helper</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../helpers/html_helper.html">HTML Helper</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../helpers/inflector_helper.html">Inflector Helper</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../helpers/language_helper.html">Language Helper</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../helpers/number_helper.html">Number Helper</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../helpers/path_helper.html">Path Helper</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../helpers/security_helper.html">Security Helper</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../helpers/smiley_helper.html">Smiley Helper</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../helpers/string_helper.html">String Helper</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../helpers/text_helper.html">Text Helper</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../helpers/typography_helper.html">Typography Helper</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../helpers/url_helper.html">URL Helper</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../helpers/xml_helper.html">XML Helper</a></li>
-</ul>
-</li>
-</ul>
-
- </div>
-
-
- </div>
-</div>
-<div id="nav2">
- <a href="#" id="openToc">
- <img src="data:image/jpeg;base64,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" title="Toggle Table of Contents" alt="Toggle Table of Contents" />
- </a>
-</div>
-
- <div class="wy-grid-for-nav">
-
-
- <nav data-toggle="wy-nav-shift" class="wy-nav-side">
- <div class="wy-side-nav-search">
-
- <a href="../index.html" class="fa fa-home"> CodeIgniter</a>
-
-
-<div role="search">
- <form id="rtd-search-form" class="wy-form" action="../search.html" method="get">
- <input type="text" name="q" placeholder="Search docs" />
- <input type="hidden" name="check_keywords" value="yes" />
- <input type="hidden" name="area" value="default" />
- </form>
-</div>
- </div>
-
- <div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation">
-
-
-
- <ul>
-<li class="toctree-l1"><a class="reference internal" href="../general/welcome.html">Welcome to CodeIgniter</a><ul class="simple">
-</ul>
-</li>
-</ul>
-<ul>
-<li class="toctree-l1"><a class="reference internal" href="../installation/index.html">Installation Instructions</a><ul>
-<li class="toctree-l2"><a class="reference internal" href="../installation/downloads.html">Downloading CodeIgniter</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../installation/index.html">Installation Instructions</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../installation/upgrading.html">Upgrading From a Previous Version</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../installation/troubleshooting.html">Troubleshooting</a></li>
-</ul>
-</li>
-</ul>
-<ul>
-<li class="toctree-l1"><a class="reference internal" href="../overview/index.html">CodeIgniter Overview</a><ul>
-<li class="toctree-l2"><a class="reference internal" href="../overview/getting_started.html">Getting Started</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../overview/at_a_glance.html">CodeIgniter at a Glance</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../overview/features.html">Supported Features</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../overview/appflow.html">Application Flow Chart</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../overview/mvc.html">Model-View-Controller</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../overview/goals.html">Architectural Goals</a></li>
-</ul>
-</li>
-</ul>
-<ul>
-<li class="toctree-l1"><a class="reference internal" href="../tutorial/index.html">Tutorial</a><ul>
-<li class="toctree-l2"><a class="reference internal" href="../tutorial/static_pages.html">Static pages</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../tutorial/news_section.html">News section</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../tutorial/create_news_items.html">Create news items</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../tutorial/conclusion.html">Conclusion</a></li>
-</ul>
-</li>
-</ul>
-<ul>
-<li class="toctree-l1"><a class="reference internal" href="../contributing/index.html">Contributing to CodeIgniter</a><ul>
-<li class="toctree-l2"><a class="reference internal" href="../documentation/index.html">Writing CodeIgniter Documentation</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../DCO.html">Developer&#8217;s Certificate of Origin 1.1</a></li>
-</ul>
-</li>
-</ul>
-<ul>
-<li class="toctree-l1"><a class="reference internal" href="../general/index.html">General Topics</a><ul>
-<li class="toctree-l2"><a class="reference internal" href="../general/urls.html">CodeIgniter URLs</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../general/controllers.html">Controllers</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../general/reserved_names.html">Reserved Names</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../general/views.html">Views</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../general/models.html">Models</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../general/helpers.html">Helpers</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../general/libraries.html">Using CodeIgniter Libraries</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../general/creating_libraries.html">Creating Libraries</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../general/drivers.html">Using CodeIgniter Drivers</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../general/creating_drivers.html">Creating Drivers</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../general/core_classes.html">Creating Core System Classes</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../general/ancillary_classes.html">Creating Ancillary Classes</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../general/hooks.html">Hooks - Extending the Framework Core</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../general/autoloader.html">Auto-loading Resources</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../general/common_functions.html">Common Functions</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../general/compatibility_functions.html">Compatibility Functions</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../general/routing.html">URI Routing</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../general/errors.html">Error Handling</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../general/caching.html">Caching</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../general/profiling.html">Profiling Your Application</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../general/cli.html">Running via the CLI</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../general/managing_apps.html">Managing your Applications</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../general/environments.html">Handling Multiple Environments</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../general/alternative_php.html">Alternate PHP Syntax for View Files</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../general/security.html">Security</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../general/styleguide.html">PHP Style Guide</a></li>
-</ul>
-</li>
-</ul>
-<ul>
-<li class="toctree-l1"><a class="reference internal" href="../libraries/index.html">Libraries</a><ul>
-<li class="toctree-l2"><a class="reference internal" href="../libraries/benchmark.html">Benchmarking Class</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../libraries/caching.html">Caching Driver</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../libraries/calendar.html">Calendaring Class</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../libraries/cart.html">Shopping Cart Class</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../libraries/config.html">Config Class</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../libraries/email.html">Email Class</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../libraries/encrypt.html">Encrypt Class</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../libraries/encryption.html">Encryption Library</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../libraries/file_uploading.html">File Uploading Class</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../libraries/form_validation.html">Form Validation</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../libraries/ftp.html">FTP Class</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../libraries/image_lib.html">Image Manipulation Class</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../libraries/input.html">Input Class</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../libraries/javascript.html">Javascript Class</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../libraries/language.html">Language Class</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../libraries/loader.html">Loader Class</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../libraries/migration.html">Migrations Class</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../libraries/output.html">Output Class</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../libraries/pagination.html">Pagination Class</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../libraries/parser.html">Template Parser Class</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../libraries/security.html">Security Class</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../libraries/sessions.html">Session Library</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../libraries/table.html">HTML Table Class</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../libraries/trackback.html">Trackback Class</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../libraries/typography.html">Typography Class</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../libraries/unit_testing.html">Unit Testing Class</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../libraries/uri.html">URI Class</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../libraries/user_agent.html">User Agent Class</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../libraries/xmlrpc.html">XML-RPC and XML-RPC Server Classes</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../libraries/zip.html">Zip Encoding Class</a></li>
-</ul>
-</li>
-</ul>
-<ul class="current">
-<li class="toctree-l1 current"><a class="reference internal" href="index.html">Database Reference</a><ul class="current">
-<li class="toctree-l2"><a class="reference internal" href="examples.html">Quick Start: Usage Examples</a></li>
-<li class="toctree-l2"><a class="reference internal" href="configuration.html">Database Configuration</a></li>
-<li class="toctree-l2"><a class="reference internal" href="connecting.html">Connecting to a Database</a></li>
-<li class="toctree-l2"><a class="reference internal" href="queries.html">Running Queries</a></li>
-<li class="toctree-l2"><a class="reference internal" href="results.html">Generating Query Results</a></li>
-<li class="toctree-l2"><a class="reference internal" href="helpers.html">Query Helper Functions</a></li>
-<li class="toctree-l2"><a class="reference internal" href="query_builder.html">Query Builder Class</a></li>
-<li class="toctree-l2"><a class="reference internal" href="transactions.html">Transactions</a></li>
-<li class="toctree-l2"><a class="reference internal" href="metadata.html">Getting MetaData</a></li>
-<li class="toctree-l2"><a class="reference internal" href="call_function.html">Custom Function Calls</a></li>
-<li class="toctree-l2"><a class="reference internal" href="caching.html">Query Caching</a></li>
-<li class="toctree-l2"><a class="reference internal" href="forge.html">Database Manipulation with Database Forge</a></li>
-<li class="toctree-l2 current"><a class="current reference internal" href="">Database Utilities Class</a></li>
-<li class="toctree-l2"><a class="reference internal" href="db_driver_reference.html">Database Driver Reference</a></li>
-</ul>
-</li>
-</ul>
-<ul>
-<li class="toctree-l1"><a class="reference internal" href="../helpers/index.html">Helpers</a><ul>
-<li class="toctree-l2"><a class="reference internal" href="../helpers/array_helper.html">Array Helper</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../helpers/captcha_helper.html">CAPTCHA Helper</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../helpers/cookie_helper.html">Cookie Helper</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../helpers/date_helper.html">Date Helper</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../helpers/directory_helper.html">Directory Helper</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../helpers/download_helper.html">Download Helper</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../helpers/email_helper.html">Email Helper</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../helpers/file_helper.html">File Helper</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../helpers/form_helper.html">Form Helper</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../helpers/html_helper.html">HTML Helper</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../helpers/inflector_helper.html">Inflector Helper</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../helpers/language_helper.html">Language Helper</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../helpers/number_helper.html">Number Helper</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../helpers/path_helper.html">Path Helper</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../helpers/security_helper.html">Security Helper</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../helpers/smiley_helper.html">Smiley Helper</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../helpers/string_helper.html">String Helper</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../helpers/text_helper.html">Text Helper</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../helpers/typography_helper.html">Typography Helper</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../helpers/url_helper.html">URL Helper</a></li>
-<li class="toctree-l2"><a class="reference internal" href="../helpers/xml_helper.html">XML Helper</a></li>
-</ul>
-</li>
-</ul>
-
-
-
- </div>
- &nbsp;
- </nav>
-
- <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap">
-
-
- <nav class="wy-nav-top" role="navigation" aria-label="top navigation">
- <i data-toggle="wy-nav-top" class="fa fa-bars"></i>
- <a href="../index.html">CodeIgniter</a>
- </nav>
-
-
-
- <div class="wy-nav-content">
- <div class="rst-content">
- <div role="navigation" aria-label="breadcrumbs navigation">
- <ul class="wy-breadcrumbs">
- <li><a href="../index.html">Docs</a> &raquo;</li>
-
- <li><a href="index.html">Database Reference</a> &raquo;</li>
-
- <li>Database Utility Class</li>
- <li class="wy-breadcrumbs-aside">
-
- </li>
- <div style="float:right;margin-left:5px;" id="closeMe">
- <img title="Classic Layout" alt="classic layout" src="data:image/gif;base64,R0lGODlhFAAUAJEAAAAAADMzM////wAAACH5BAUUAAIALAAAAAAUABQAAAImlI+py+0PU5gRBRDM3DxbWoXis42X13USOLauUIqnlsaH/eY6UwAAOw==" />
- </div>
- </ul>
- <hr/>
-</div>
- <div role="main" class="document">
-
- <div class="section" id="database-utility-class">
-<h1>Database Utility Class<a class="headerlink" href="#database-utility-class" title="Permalink to this headline">¶</a></h1>
-<p>The Database Utility Class contains methods that help you manage your
-database.</p>
-<div class="contents local topic" id="contents">
-<ul class="simple">
-<li><a class="reference internal" href="#initializing-the-utility-class" id="id1">Initializing the Utility Class</a></li>
-<li><a class="reference internal" href="#using-the-database-utilities" id="id2">Using the Database Utilities</a><ul>
-<li><a class="reference internal" href="#retrieve-list-of-database-names" id="id3">Retrieve list of database names</a></li>
-<li><a class="reference internal" href="#determine-if-a-database-exists" id="id4">Determine If a Database Exists</a></li>
-<li><a class="reference internal" href="#optimize-a-table" id="id5">Optimize a Table</a></li>
-<li><a class="reference internal" href="#repair-a-table" id="id6">Repair a Table</a></li>
-<li><a class="reference internal" href="#optimize-a-database" id="id7">Optimize a Database</a></li>
-<li><a class="reference internal" href="#export-a-query-result-as-a-csv-file" id="id8">Export a Query Result as a CSV File</a></li>
-<li><a class="reference internal" href="#export-a-query-result-as-an-xml-document" id="id9">Export a Query Result as an XML Document</a></li>
-</ul>
-</li>
-<li><a class="reference internal" href="#backup-your-database" id="id10">Backup Your Database</a><ul>
-<li><a class="reference internal" href="#database-backup-notes" id="id11">Database Backup Notes</a></li>
-<li><a class="reference internal" href="#usage-example" id="id12">Usage Example</a></li>
-<li><a class="reference internal" href="#setting-backup-preferences" id="id13">Setting Backup Preferences</a></li>
-<li><a class="reference internal" href="#description-of-backup-preferences" id="id14">Description of Backup Preferences</a></li>
-</ul>
-</li>
-<li><a class="reference internal" href="#class-reference" id="id15">Class Reference</a></li>
-</ul>
-</div>
-<div class="section" id="initializing-the-utility-class">
-<h2><a class="toc-backref" href="#id1">Initializing the Utility Class</a><a class="headerlink" href="#initializing-the-utility-class" title="Permalink to this headline">¶</a></h2>
-<div class="admonition important">
-<p class="first admonition-title">Important</p>
-<p class="last">In order to initialize the Utility class, your database
-driver must already be running, since the utilities class relies on it.</p>
-</div>
-<p>Load the Utility Class as follows:</p>
-<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$this</span><span class="o">-&gt;</span><span class="na">load</span><span class="o">-&gt;</span><span class="na">dbutil</span><span class="p">();</span>
-</pre></div>
-</div>
-<p>You can also pass another database object to the DB Utility loader, in case
-the database you want to manage isn&#8217;t the default one:</p>
-<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$this</span><span class="o">-&gt;</span><span class="na">myutil</span> <span class="o">=</span> <span class="nv">$this</span><span class="o">-&gt;</span><span class="na">load</span><span class="o">-&gt;</span><span class="na">dbutil</span><span class="p">(</span><span class="nv">$this</span><span class="o">-&gt;</span><span class="na">other_db</span><span class="p">,</span> <span class="k">TRUE</span><span class="p">);</span>
-</pre></div>
-</div>
-<p>In the above example, we&#8217;re passing a custom database object as the first
-parameter and then tell it to return the dbutil object, instead of
-assigning it directly to <tt class="docutils literal"><span class="pre">$this-&gt;dbutil</span></tt>.</p>
-<div class="admonition note">
-<p class="first admonition-title">Note</p>
-<p class="last">Both of the parameters can be used individually, just pass an empty
-value as the first one if you wish to skip it.</p>
-</div>
-<p>Once initialized you will access the methods using the <tt class="docutils literal"><span class="pre">$this-&gt;dbutil</span></tt>
-object:</p>
-<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$this</span><span class="o">-&gt;</span><span class="na">dbutil</span><span class="o">-&gt;</span><span class="na">some_method</span><span class="p">();</span>
-</pre></div>
-</div>
-</div>
-<div class="section" id="using-the-database-utilities">
-<h2><a class="toc-backref" href="#id2">Using the Database Utilities</a><a class="headerlink" href="#using-the-database-utilities" title="Permalink to this headline">¶</a></h2>
-<div class="section" id="retrieve-list-of-database-names">
-<h3><a class="toc-backref" href="#id3">Retrieve list of database names</a><a class="headerlink" href="#retrieve-list-of-database-names" title="Permalink to this headline">¶</a></h3>
-<p>Returns an array of database names:</p>
-<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$dbs</span> <span class="o">=</span> <span class="nv">$this</span><span class="o">-&gt;</span><span class="na">dbutil</span><span class="o">-&gt;</span><span class="na">list_databases</span><span class="p">();</span>
-
-<span class="k">foreach</span> <span class="p">(</span><span class="nv">$dbs</span> <span class="k">as</span> <span class="nv">$db</span><span class="p">)</span>
-<span class="p">{</span>
- <span class="k">echo</span> <span class="nv">$db</span><span class="p">;</span>
-<span class="p">}</span>
-</pre></div>
-</div>
-</div>
-<div class="section" id="determine-if-a-database-exists">
-<h3><a class="toc-backref" href="#id4">Determine If a Database Exists</a><a class="headerlink" href="#determine-if-a-database-exists" title="Permalink to this headline">¶</a></h3>
-<p>Sometimes it&#8217;s helpful to know whether a particular database exists.
-Returns a boolean TRUE/FALSE. Usage example:</p>
-<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="k">if</span> <span class="p">(</span><span class="nv">$this</span><span class="o">-&gt;</span><span class="na">dbutil</span><span class="o">-&gt;</span><span class="na">database_exists</span><span class="p">(</span><span class="s1">&#39;database_name&#39;</span><span class="p">))</span>
-<span class="p">{</span>
- <span class="c1">// some code...</span>
-<span class="p">}</span>
-</pre></div>
-</div>
-<div class="admonition note">
-<p class="first admonition-title">Note</p>
-<p class="last">Replace <em>database_name</em> with the name of the database you are
-looking for. This method is case sensitive.</p>
-</div>
-</div>
-<div class="section" id="optimize-a-table">
-<h3><a class="toc-backref" href="#id5">Optimize a Table</a><a class="headerlink" href="#optimize-a-table" title="Permalink to this headline">¶</a></h3>
-<p>Permits you to optimize a table using the table name specified in the
-first parameter. Returns TRUE/FALSE based on success or failure:</p>
-<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="k">if</span> <span class="p">(</span><span class="nv">$this</span><span class="o">-&gt;</span><span class="na">dbutil</span><span class="o">-&gt;</span><span class="na">optimize_table</span><span class="p">(</span><span class="s1">&#39;table_name&#39;</span><span class="p">))</span>
-<span class="p">{</span>
- <span class="k">echo</span> <span class="s1">&#39;Success!&#39;</span><span class="p">;</span>
-<span class="p">}</span>
-</pre></div>
-</div>
-<div class="admonition note">
-<p class="first admonition-title">Note</p>
-<p class="last">Not all database platforms support table optimization. It is
-mostly for use with MySQL.</p>
-</div>
-</div>
-<div class="section" id="repair-a-table">
-<h3><a class="toc-backref" href="#id6">Repair a Table</a><a class="headerlink" href="#repair-a-table" title="Permalink to this headline">¶</a></h3>
-<p>Permits you to repair a table using the table name specified in the
-first parameter. Returns TRUE/FALSE based on success or failure:</p>
-<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="k">if</span> <span class="p">(</span><span class="nv">$this</span><span class="o">-&gt;</span><span class="na">dbutil</span><span class="o">-&gt;</span><span class="na">repair_table</span><span class="p">(</span><span class="s1">&#39;table_name&#39;</span><span class="p">))</span>
-<span class="p">{</span>
- <span class="k">echo</span> <span class="s1">&#39;Success!&#39;</span><span class="p">;</span>
-<span class="p">}</span>
-</pre></div>
-</div>
-<div class="admonition note">
-<p class="first admonition-title">Note</p>
-<p class="last">Not all database platforms support table repairs.</p>
-</div>
-</div>
-<div class="section" id="optimize-a-database">
-<h3><a class="toc-backref" href="#id7">Optimize a Database</a><a class="headerlink" href="#optimize-a-database" title="Permalink to this headline">¶</a></h3>
-<p>Permits you to optimize the database your DB class is currently
-connected to. Returns an array containing the DB status messages or
-FALSE on failure.</p>
-<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$result</span> <span class="o">=</span> <span class="nv">$this</span><span class="o">-&gt;</span><span class="na">dbutil</span><span class="o">-&gt;</span><span class="na">optimize_database</span><span class="p">();</span>
-
-<span class="k">if</span> <span class="p">(</span><span class="nv">$result</span> <span class="o">!==</span> <span class="k">FALSE</span><span class="p">)</span>
-<span class="p">{</span>
- <span class="nb">print_r</span><span class="p">(</span><span class="nv">$result</span><span class="p">);</span>
-<span class="p">}</span>
-</pre></div>
-</div>
-<div class="admonition note">
-<p class="first admonition-title">Note</p>
-<p class="last">Not all database platforms support database optimization. It
-it is mostly for use with MySQL.</p>
-</div>
-</div>
-<div class="section" id="export-a-query-result-as-a-csv-file">
-<h3><a class="toc-backref" href="#id8">Export a Query Result as a CSV File</a><a class="headerlink" href="#export-a-query-result-as-a-csv-file" title="Permalink to this headline">¶</a></h3>
-<p>Permits you to generate a CSV file from a query result. The first
-parameter of the method must contain the result object from your
-query. Example:</p>
-<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$this</span><span class="o">-&gt;</span><span class="na">load</span><span class="o">-&gt;</span><span class="na">dbutil</span><span class="p">();</span>
-
-<span class="nv">$query</span> <span class="o">=</span> <span class="nv">$this</span><span class="o">-&gt;</span><span class="na">db</span><span class="o">-&gt;</span><span class="na">query</span><span class="p">(</span><span class="s2">&quot;SELECT * FROM mytable&quot;</span><span class="p">);</span>
-
-<span class="k">echo</span> <span class="nv">$this</span><span class="o">-&gt;</span><span class="na">dbutil</span><span class="o">-&gt;</span><span class="na">csv_from_result</span><span class="p">(</span><span class="nv">$query</span><span class="p">);</span>
-</pre></div>
-</div>
-<p>The second, third, and fourth parameters allow you to set the delimiter
-newline, and enclosure characters respectively. By default commas are
-used as the delimiter, &#8220;n&#8221; is used as a new line, and a double-quote
-is used as the enclosure. Example:</p>
-<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$delimiter</span> <span class="o">=</span> <span class="s2">&quot;,&quot;</span><span class="p">;</span>
-<span class="nv">$newline</span> <span class="o">=</span> <span class="s2">&quot;</span><span class="se">\r\n</span><span class="s2">&quot;</span><span class="p">;</span>
-<span class="nv">$enclosure</span> <span class="o">=</span> <span class="s1">&#39;&quot;&#39;</span><span class="p">;</span>
-
-<span class="k">echo</span> <span class="nv">$this</span><span class="o">-&gt;</span><span class="na">dbutil</span><span class="o">-&gt;</span><span class="na">csv_from_result</span><span class="p">(</span><span class="nv">$query</span><span class="p">,</span> <span class="nv">$delimiter</span><span class="p">,</span> <span class="nv">$newline</span><span class="p">,</span> <span class="nv">$enclosure</span><span class="p">);</span>
-</pre></div>
-</div>
-<div class="admonition important">
-<p class="first admonition-title">Important</p>
-<p class="last">This method will NOT write the CSV file for you. It
-simply creates the CSV layout. If you need to write the file
-use the <a class="reference internal" href="../helpers/file_helper.html"><em>File Helper</em></a>.</p>
-</div>
-</div>
-<div class="section" id="export-a-query-result-as-an-xml-document">
-<h3><a class="toc-backref" href="#id9">Export a Query Result as an XML Document</a><a class="headerlink" href="#export-a-query-result-as-an-xml-document" title="Permalink to this headline">¶</a></h3>
-<p>Permits you to generate an XML file from a query result. The first
-parameter expects a query result object, the second may contain an
-optional array of config parameters. Example:</p>
-<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$this</span><span class="o">-&gt;</span><span class="na">load</span><span class="o">-&gt;</span><span class="na">dbutil</span><span class="p">();</span>
-
-<span class="nv">$query</span> <span class="o">=</span> <span class="nv">$this</span><span class="o">-&gt;</span><span class="na">db</span><span class="o">-&gt;</span><span class="na">query</span><span class="p">(</span><span class="s2">&quot;SELECT * FROM mytable&quot;</span><span class="p">);</span>
-
-<span class="nv">$config</span> <span class="o">=</span> <span class="k">array</span> <span class="p">(</span>
- <span class="s1">&#39;root&#39;</span> <span class="o">=&gt;</span> <span class="s1">&#39;root&#39;</span><span class="p">,</span>
- <span class="s1">&#39;element&#39;</span> <span class="o">=&gt;</span> <span class="s1">&#39;element&#39;</span><span class="p">,</span>
- <span class="s1">&#39;newline&#39;</span> <span class="o">=&gt;</span> <span class="s2">&quot;</span><span class="se">\n</span><span class="s2">&quot;</span><span class="p">,</span>
- <span class="s1">&#39;tab&#39;</span> <span class="o">=&gt;</span> <span class="s2">&quot;</span><span class="se">\t</span><span class="s2">&quot;</span>
-<span class="p">);</span>
-
-<span class="k">echo</span> <span class="nv">$this</span><span class="o">-&gt;</span><span class="na">dbutil</span><span class="o">-&gt;</span><span class="na">xml_from_result</span><span class="p">(</span><span class="nv">$query</span><span class="p">,</span> <span class="nv">$config</span><span class="p">);</span>
-</pre></div>
-</div>
-<div class="admonition important">
-<p class="first admonition-title">Important</p>
-<p class="last">This method will NOT write the XML file for you. It
-simply creates the XML layout. If you need to write the file
-use the <a class="reference internal" href="../helpers/file_helper.html"><em>File Helper</em></a>.</p>
-</div>
-</div>
-</div>
-<div class="section" id="backup-your-database">
-<h2><a class="toc-backref" href="#id10">Backup Your Database</a><a class="headerlink" href="#backup-your-database" title="Permalink to this headline">¶</a></h2>
-<div class="section" id="database-backup-notes">
-<h3><a class="toc-backref" href="#id11">Database Backup Notes</a><a class="headerlink" href="#database-backup-notes" title="Permalink to this headline">¶</a></h3>
-<p>Permits you to backup your full database or individual tables. The
-backup data can be compressed in either Zip or Gzip format.</p>
-<div class="admonition note">
-<p class="first admonition-title">Note</p>
-<p class="last">This feature is only available for MySQL and Interbase/Firebird databases.</p>
-</div>
-<div class="admonition note">
-<p class="first admonition-title">Note</p>
-<p>For Interbase/Firebird databases, the backup file name is the only parameter.</p>
-<p class="last">$this-&gt;dbutil-&gt;backup(&#8216;db_backup_filename&#8217;);</p>
-</div>
-<div class="admonition note">
-<p class="first admonition-title">Note</p>
-<p class="last">Due to the limited execution time and memory available to PHP,
-backing up very large databases may not be possible. If your database is
-very large you might need to backup directly from your SQL server via
-the command line, or have your server admin do it for you if you do not
-have root privileges.</p>
-</div>
-</div>
-<div class="section" id="usage-example">
-<h3><a class="toc-backref" href="#id12">Usage Example</a><a class="headerlink" href="#usage-example" title="Permalink to this headline">¶</a></h3>
-<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="c1">// Load the DB utility class</span>
-<span class="nv">$this</span><span class="o">-&gt;</span><span class="na">load</span><span class="o">-&gt;</span><span class="na">dbutil</span><span class="p">();</span>
-
-<span class="c1">// Backup your entire database and assign it to a variable</span>
-<span class="nv">$backup</span> <span class="o">=</span> <span class="nv">$this</span><span class="o">-&gt;</span><span class="na">dbutil</span><span class="o">-&gt;</span><span class="na">backup</span><span class="p">();</span>
-
-<span class="c1">// Load the file helper and write the file to your server</span>
-<span class="nv">$this</span><span class="o">-&gt;</span><span class="na">load</span><span class="o">-&gt;</span><span class="na">helper</span><span class="p">(</span><span class="s1">&#39;file&#39;</span><span class="p">);</span>
-<span class="nx">write_file</span><span class="p">(</span><span class="s1">&#39;/path/to/mybackup.gz&#39;</span><span class="p">,</span> <span class="nv">$backup</span><span class="p">);</span>
-
-<span class="c1">// Load the download helper and send the file to your desktop</span>
-<span class="nv">$this</span><span class="o">-&gt;</span><span class="na">load</span><span class="o">-&gt;</span><span class="na">helper</span><span class="p">(</span><span class="s1">&#39;download&#39;</span><span class="p">);</span>
-<span class="nx">force_download</span><span class="p">(</span><span class="s1">&#39;mybackup.gz&#39;</span><span class="p">,</span> <span class="nv">$backup</span><span class="p">);</span>
-</pre></div>
-</div>
-</div>
-<div class="section" id="setting-backup-preferences">
-<h3><a class="toc-backref" href="#id13">Setting Backup Preferences</a><a class="headerlink" href="#setting-backup-preferences" title="Permalink to this headline">¶</a></h3>
-<p>Backup preferences are set by submitting an array of values to the first
-parameter of the <tt class="docutils literal"><span class="pre">backup()</span></tt> method. Example:</p>
-<div class="highlight-ci"><div class="highlight"><pre><span></span><span class="nv">$prefs</span> <span class="o">=</span> <span class="k">array</span><span class="p">(</span>
- <span class="s1">&#39;tables&#39;</span> <span class="o">=&gt;</span> <span class="k">array</span><span class="p">(</span><span class="s1">&#39;table1&#39;</span><span class="p">,</span> <span class="s1">&#39;table2&#39;</span><span class="p">),</span> <span class="c1">// Array of tables to backup.</span>
- <span class="s1">&#39;ignore&#39;</span> <span class="o">=&gt;</span> <span class="k">array</span><span class="p">(),</span> <span class="c1">// List of tables to omit from the backup</span>
- <span class="s1">&#39;format&#39;</span> <span class="o">=&gt;</span> <span class="s1">&#39;txt&#39;</span><span class="p">,</span> <span class="c1">// gzip, zip, txt</span>
- <span class="s1">&#39;filename&#39;</span> <span class="o">=&gt;</span> <span class="s1">&#39;mybackup.sql&#39;</span><span class="p">,</span> <span class="c1">// File name - NEEDED ONLY WITH ZIP FILES</span>
- <span class="s1">&#39;add_drop&#39;</span> <span class="o">=&gt;</span> <span class="k">TRUE</span><span class="p">,</span> <span class="c1">// Whether to add DROP TABLE statements to backup file</span>
- <span class="s1">&#39;add_insert&#39;</span> <span class="o">=&gt;</span> <span class="k">TRUE</span><span class="p">,</span> <span class="c1">// Whether to add INSERT data to backup file</span>
- <span class="s1">&#39;newline&#39;</span> <span class="o">=&gt;</span> <span class="s2">&quot;</span><span class="se">\n</span><span class="s2">&quot;</span> <span class="c1">// Newline character used in backup file</span>
-<span class="p">);</span>
-
-<span class="nv">$this</span><span class="o">-&gt;</span><span class="na">dbutil</span><span class="o">-&gt;</span><span class="na">backup</span><span class="p">(</span><span class="nv">$prefs</span><span class="p">);</span>
-</pre></div>
-</div>
-</div>
-<div class="section" id="description-of-backup-preferences">
-<h3><a class="toc-backref" href="#id14">Description of Backup Preferences</a><a class="headerlink" href="#description-of-backup-preferences" title="Permalink to this headline">¶</a></h3>
-<table border="1" class="docutils">
-<colgroup>
-<col width="16%" />
-<col width="16%" />
-<col width="16%" />
-<col width="51%" />
-</colgroup>
-<thead valign="bottom">
-<tr class="row-odd"><th class="head">Preference</th>
-<th class="head">Default Value</th>
-<th class="head">Options</th>
-<th class="head">Description</th>
-</tr>
-</thead>
-<tbody valign="top">
-<tr class="row-even"><td><strong>tables</strong></td>
-<td>empty array</td>
-<td>None</td>
-<td>An array of tables you want backed up. If left blank all tables will be
-exported.</td>
-</tr>
-<tr class="row-odd"><td><strong>ignore</strong></td>
-<td>empty array</td>
-<td>None</td>
-<td>An array of tables you want the backup routine to ignore.</td>
-</tr>
-<tr class="row-even"><td><strong>format</strong></td>
-<td>gzip</td>
-<td>gzip, zip, txt</td>
-<td>The file format of the export file.</td>
-</tr>
-<tr class="row-odd"><td><strong>filename</strong></td>
-<td>the current date/time</td>
-<td>None</td>
-<td>The name of the backed-up file. The name is needed only if you are using
-zip compression.</td>
-</tr>
-<tr class="row-even"><td><strong>add_drop</strong></td>
-<td>TRUE</td>
-<td>TRUE/FALSE</td>
-<td>Whether to include DROP TABLE statements in your SQL export file.</td>
-</tr>
-<tr class="row-odd"><td><strong>add_insert</strong></td>
-<td>TRUE</td>
-<td>TRUE/FALSE</td>
-<td>Whether to include INSERT statements in your SQL export file.</td>
-</tr>
-<tr class="row-even"><td><strong>newline</strong></td>
-<td>&#8220;\n&#8221;</td>
-<td>&#8220;\n&#8221;, &#8220;\r&#8221;, &#8220;\r\n&#8221;</td>
-<td>Type of newline to use in your SQL export file.</td>
-</tr>
-<tr class="row-odd"><td><strong>foreign_key_checks</strong></td>
-<td>TRUE</td>
-<td>TRUE/FALSE</td>
-<td>Whether output should keep foreign key checks enabled.</td>
-</tr>
-</tbody>
-</table>
-</div>
-</div>
-<div class="section" id="class-reference">
-<h2><a class="toc-backref" href="#id15">Class Reference</a><a class="headerlink" href="#class-reference" title="Permalink to this headline">¶</a></h2>
-<dl class="class">
-<dt id="CI_DB_utility">
-<em class="property">class </em><tt class="descname">CI_DB_utility</tt><a class="headerlink" href="#CI_DB_utility" title="Permalink to this definition">¶</a></dt>
-<dd><dl class="method">
-<dt id="CI_DB_utility::backup">
-<tt class="descname">backup</tt><big>(</big><span class="optional">[</span><em>$params = array()</em><span class="optional">]</span><big>)</big><a class="headerlink" href="#CI_DB_utility::backup" title="Permalink to this definition">¶</a></dt>
-<dd><table class="docutils field-list" frame="void" rules="none">
-<col class="field-name" />
-<col class="field-body" />
-<tbody valign="top">
-<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
-<li><strong>$params</strong> (<em>array</em>) &#8211; An associative array of options</li>
-</ul>
-</td>
-</tr>
-<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">raw/(g)zipped SQL query string</p>
-</td>
-</tr>
-<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">string</p>
-</td>
-</tr>
-</tbody>
-</table>
-<p>Perform a database backup, per user preferences.</p>
-</dd></dl>
-
-<dl class="method">
-<dt id="CI_DB_utility::database_exists">
-<tt class="descname">database_exists</tt><big>(</big><em>$database_name</em><big>)</big><a class="headerlink" href="#CI_DB_utility::database_exists" title="Permalink to this definition">¶</a></dt>
-<dd><table class="docutils field-list" frame="void" rules="none">
-<col class="field-name" />
-<col class="field-body" />
-<tbody valign="top">
-<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
-<li><strong>$database_name</strong> (<em>string</em>) &#8211; Database name</li>
-</ul>
-</td>
-</tr>
-<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">TRUE if the database exists, FALSE otherwise</p>
-</td>
-</tr>
-<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">bool</p>
-</td>
-</tr>
-</tbody>
-</table>
-<p>Check for the existence of a database.</p>
-</dd></dl>
-
-<dl class="method">
-<dt id="CI_DB_utility::list_databases">
-<tt class="descname">list_databases</tt><big>(</big><big>)</big><a class="headerlink" href="#CI_DB_utility::list_databases" title="Permalink to this definition">¶</a></dt>
-<dd><table class="docutils field-list" frame="void" rules="none">
-<col class="field-name" />
-<col class="field-body" />
-<tbody valign="top">
-<tr class="field-odd field"><th class="field-name">Returns:</th><td class="field-body">Array of database names found</td>
-</tr>
-<tr class="field-even field"><th class="field-name">Return type:</th><td class="field-body">array</td>
-</tr>
-</tbody>
-</table>
-<p>Retrieve a list of all the database names.</p>
-</dd></dl>
-
-<dl class="method">
-<dt id="CI_DB_utility::optimize_database">
-<tt class="descname">optimize_database</tt><big>(</big><big>)</big><a class="headerlink" href="#CI_DB_utility::optimize_database" title="Permalink to this definition">¶</a></dt>
-<dd><table class="docutils field-list" frame="void" rules="none">
-<col class="field-name" />
-<col class="field-body" />
-<tbody valign="top">
-<tr class="field-odd field"><th class="field-name">Returns:</th><td class="field-body">Array of optimization messages or FALSE on failure</td>
-</tr>
-<tr class="field-even field"><th class="field-name">Return type:</th><td class="field-body">array</td>
-</tr>
-</tbody>
-</table>
-<p>Optimizes the database.</p>
-</dd></dl>
-
-<dl class="method">
-<dt id="CI_DB_utility::optimize_table">
-<tt class="descname">optimize_table</tt><big>(</big><em>$table_name</em><big>)</big><a class="headerlink" href="#CI_DB_utility::optimize_table" title="Permalink to this definition">¶</a></dt>
-<dd><table class="docutils field-list" frame="void" rules="none">
-<col class="field-name" />
-<col class="field-body" />
-<tbody valign="top">
-<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
-<li><strong>$table_name</strong> (<em>string</em>) &#8211; Name of the table to optimize</li>
-</ul>
-</td>
-</tr>
-<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">Array of optimization messages or FALSE on failure</p>
-</td>
-</tr>
-<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">array</p>
-</td>
-</tr>
-</tbody>
-</table>
-<p>Optimizes a database table.</p>
-</dd></dl>
-
-<dl class="method">
-<dt id="CI_DB_utility::repair_table">
-<tt class="descname">repair_table</tt><big>(</big><em>$table_name</em><big>)</big><a class="headerlink" href="#CI_DB_utility::repair_table" title="Permalink to this definition">¶</a></dt>
-<dd><table class="docutils field-list" frame="void" rules="none">
-<col class="field-name" />
-<col class="field-body" />
-<tbody valign="top">
-<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
-<li><strong>$table_name</strong> (<em>string</em>) &#8211; Name of the table to repair</li>
-</ul>
-</td>
-</tr>
-<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">Array of repair messages or FALSE on failure</p>
-</td>
-</tr>
-<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">array</p>
-</td>
-</tr>
-</tbody>
-</table>
-<p>Repairs a database table.</p>
-</dd></dl>
-
-<dl class="method">
-<dt id="CI_DB_utility::csv_from_result">
-<tt class="descname">csv_from_result</tt><big>(</big><em>$query</em><span class="optional">[</span>, <em>$delim = '</em>, <em>'</em><span class="optional">[</span>, <em>$newline = &quot;n&quot;</em><span class="optional">[</span>, <em>$enclosure = '&quot;'</em><span class="optional">]</span><span class="optional">]</span><span class="optional">]</span><big>)</big><a class="headerlink" href="#CI_DB_utility::csv_from_result" title="Permalink to this definition">¶</a></dt>
-<dd><table class="docutils field-list" frame="void" rules="none">
-<col class="field-name" />
-<col class="field-body" />
-<tbody valign="top">
-<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
-<li><strong>$query</strong> (<em>object</em>) &#8211; A database result object</li>
-<li><strong>$delim</strong> (<em>string</em>) &#8211; The CSV field delimiter to use</li>
-<li><strong>$newline</strong> (<em>string</em>) &#8211; The newline character to use</li>
-<li><strong>$enclosure</strong> (<em>string</em>) &#8211; The enclosure delimiter to use</li>
-</ul>
-</td>
-</tr>
-<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">The generated CSV file as a string</p>
-</td>
-</tr>
-<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">string</p>
-</td>
-</tr>
-</tbody>
-</table>
-<p>Translates a database result object into a CSV document.</p>
-</dd></dl>
-
-<dl class="method">
-<dt id="CI_DB_utility::xml_from_result">
-<tt class="descname">xml_from_result</tt><big>(</big><em>$query</em><span class="optional">[</span>, <em>$params = array()</em><span class="optional">]</span><big>)</big><a class="headerlink" href="#CI_DB_utility::xml_from_result" title="Permalink to this definition">¶</a></dt>
-<dd><table class="docutils field-list" frame="void" rules="none">
-<col class="field-name" />
-<col class="field-body" />
-<tbody valign="top">
-<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
-<li><strong>$query</strong> (<em>object</em>) &#8211; A database result object</li>
-<li><strong>$params</strong> (<em>array</em>) &#8211; An associative array of preferences</li>
-</ul>
-</td>
-</tr>
-<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">The generated XML document as a string</p>
-</td>
-</tr>
-<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">string</p>
-</td>
-</tr>
-</tbody>
-</table>
-<p>Translates a database result object into an XML document.</p>
-</dd></dl>
-
-</dd></dl>
-
-</div>
-</div>
-
-
- </div>
- <footer>
-
- <div class="rst-footer-buttons" role="navigation" aria-label="footer navigation">
-
- <a href="db_driver_reference.html" class="btn btn-neutral float-right" title="DB Driver Reference">Next <span class="fa fa-arrow-circle-right"></span></a>
-
-
- <a href="forge.html" class="btn btn-neutral" title="Database Forge Class"><span class="fa fa-arrow-circle-left"></span> Previous</a>
-
- </div>
-
-
- <hr/>
-
- <div role="contentinfo">
- <p>
- &copy; Copyright 2014 - 2017, British Columbia Institute of Technology.
- Last updated on Jun 19, 2017.
- </p>
- </div>
-
- Built with <a href="http://sphinx-doc.org/">Sphinx</a> using a <a href="https://github.com/snide/sphinx_rtd_theme">theme</a> provided by <a href="https://readthedocs.org">Read the Docs</a>.
-
-</footer>
- </div>
- </div>
-
- </section>
-
- </div>
-
-
-
-
-
- <script type="text/javascript">
- var DOCUMENTATION_OPTIONS = {
- URL_ROOT:'../',
- VERSION:'3.1.5',
- COLLAPSE_INDEX:false,
- FILE_SUFFIX:'.html',
- HAS_SOURCE: false
- };
- </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>
-
-
-
-
-
- <script type="text/javascript" src="../_static/js/theme.js"></script>
-
-
-
-
- <script type="text/javascript">
- jQuery(function () {
- SphinxRtdTheme.StickyNav.enable();
- });
- </script>
-
-
-</body>
-</html> \ No newline at end of file