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Diffstat (limited to 'railties/doc/guides/html/active_record_querying.html')
-rw-r--r-- | railties/doc/guides/html/active_record_querying.html | 430 |
1 files changed, 131 insertions, 299 deletions
diff --git a/railties/doc/guides/html/active_record_querying.html b/railties/doc/guides/html/active_record_querying.html index 043e5120d1..cc2a6b7e4a 100644 --- a/railties/doc/guides/html/active_record_querying.html +++ b/railties/doc/guides/html/active_record_querying.html @@ -1,305 +1,137 @@ <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en"> <head> - <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /> - <title>Active Record Query Interface</title> - <!--[if lt IE 8]> - <script src="http://ie7-js.googlecode.com/svn/version/2.0(beta3)/IE8.js" type="text/javascript"></script> - <![endif]--> - <link href="stylesheets/base.css" media="screen" rel="Stylesheet" type="text/css" /> - <link href="stylesheets/forms.css" media="screen" rel="Stylesheet" type="text/css" /> - <link href="stylesheets/more.css" media="screen" rel="Stylesheet" type="text/css" /> - <style type="text/css"> - div#container { - max-width: 900px; - padding-bottom: 3em; -} - -div#content { - margin-left: 200px; -} - -div#container.notoc { - max-width: 600px; -} - -.notoc div#content { - margin-left: 0; -} - -pre { - line-height: 1.4em; -} - -#content p tt { - background: #eeeeee; - border: solid 1px #cccccc; - padding: 3px; -} - -dt { - font-weight: bold; -} - -#content dt tt { - font-size: 10pt; -} - -dd { - margin-left: 3em; -} - -#content dt tt, #content pre tt { - background: none; - padding: 0; - border: 0; -} - -#content .olist ol { - margin-left: 2em; -} - -#header { - position: relative; - max-width: 840px; - margin-left: auto; - margin-right: auto; -} - -#header.notoc { - max-width: 580px; -} - -#logo { - position: absolute; - left: 10px; - top: 10px; - width: 110px; - height: 140px; -} - -div#header h1#site_title { - background: url('images/ruby_on_rails_by_mike_rundle2.gif') top left no-repeat; - position: absolute; - width: 392px; - height: 55px; - left: 145px; - top: 20px; - margin: 0; - padding: 0; -} - -#site_title span { - display: none; -} - -#site_title_tagline { - display: none; -} - -ul#navMain { - position: absolute; - margin: 0; - padding: 0; - top: 97px; - left: 145px; -} - -.left-floaty, .right-floaty { - padding: 15px; -} - -.admonitionblock, -.tableblock { - margin-left: 1em; - margin-right: 1em; - margin-top: 0.25em; - margin-bottom: 1em; -} - -.admonitionblock .icon { - padding-right: 8px; -} - -.admonitionblock .content { - border: solid 1px #ffda78; - background: #fffebd; - padding: 10px; - padding-top: 8px; - padding-bottom: 8px; -} - -.admonitionblock .title { - font-size: 140%; - margin-bottom: 0.5em; -} - -.tableblock table { - border: solid 1px #aaaaff; - background: #f0f0ff; -} - -.tableblock th { - background: #e0e0e0; -} - -.tableblock th, -.tableblock td { - padding: 3px; - padding-left: 5px; - padding-right: 5px; -} - -.sidebarblock { - margin-top: 0.25em; - margin: 1em; - border: solid 1px #ccccbb; - padding: 8px; - background: #ffffe0; -} - -.sidebarblock .sidebar-title { - font-size: 140%; - font-weight: 600; - margin-bottom: 0.3em; -} - -.sidebarblock .sidebar-content > .para:last-child > p { - margin-bottom: 0; -} - -.sidebarblock .sidebar-title a { - text-decoration: none; -} - -.sidebarblock .sidebar-title a:hover { - text-decoration: underline; -} - - </style> + <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /> + <title>Active Record Query Interface</title> + <!--[if lt IE 8]> + <script src="http://ie7-js.googlecode.com/svn/version/2.0(beta3)/IE8.js" type="text/javascript"></script> + <![endif]--> + <link href="stylesheets/base.css" media="screen" rel="Stylesheet" type="text/css" /> + <link href="stylesheets/forms.css" media="screen" rel="Stylesheet" type="text/css" /> + <link href="stylesheets/more.css" media="screen" rel="Stylesheet" type="text/css" /> </head> <body> - <div id="header" > - <div id="logo"> - <a href="index.html" title="Ruby on Rails"><img src="images/rails_logo_remix.gif" alt="Rails" height="140" width="110" /></a> - </div> - - <h1 id="site_title"><span>Ruby on Rails</span></h1> - <h2 id="site_title_tagline">Sustainable productivity for web-application development</h2> - - <ul id="navMain"> - <li class="first-child"><a href="http://www.rubyonrails.org/" title="Ruby on Rails" class="ruby_on_rails">Ruby on Rails</a></li> - <li><a class="manuals" href="index.html" title="Manuals Index">Guides Index</a></li> - </ul> - </div> - - <div id="container"> - - <div id="sidebar"> - <h2>Chapters</h2> - <ol> - <li> - <a href="#_ids_first_last_and_all">IDs, First, Last and All</a> - </li> - <li> - <a href="#_conditions">Conditions</a> - <ul> - - <li><a href="#_pure_string_conditions">Pure String Conditions</a></li> - - <li><a href="#_array_conditions">Array Conditions</a></li> - - <li><a href="#_placeholder_conditions">Placeholder Conditions</a></li> - - <li><a href="#_hash_conditions">Hash Conditions</a></li> - - </ul> - </li> - <li> - <a href="#_ordering">Ordering</a> - </li> - <li> - <a href="#_selecting_certain_fields">Selecting Certain Fields</a> - </li> - <li> - <a href="#_limit_amp_offset">Limit & Offset</a> - </li> - <li> - <a href="#_group">Group</a> - </li> - <li> - <a href="#_having">Having</a> - </li> - <li> - <a href="#_read_only">Read Only</a> - </li> - <li> - <a href="#_lock">Lock</a> - </li> - <li> - <a href="#_making_it_all_work_together">Making It All Work Together</a> - </li> - <li> - <a href="#_eager_loading">Eager Loading</a> - </li> - <li> - <a href="#_dynamic_finders">Dynamic finders</a> - </li> - <li> - <a href="#_finding_by_sql">Finding By SQL</a> - </li> - <li> - <a href="#_tt_select_all_tt"><tt>select_all</tt></a> - </li> - <li> - <a href="#_working_with_associations">Working with Associations</a> - </li> - <li> - <a href="#_named_scopes">Named Scopes</a> - <ul> - - <li><a href="#_simple_named_scopes">Simple Named Scopes</a></li> - - <li><a href="#_combining_named_scopes">Combining Named Scopes</a></li> - - <li><a href="#_runtime_evaluation_of_named_scope_conditions">Runtime Evaluation of Named Scope Conditions</a></li> - - <li><a href="#_named_scopes_with_multiple_models">Named Scopes with Multiple Models</a></li> - - <li><a href="#_arguments_to_named_scopes">Arguments to Named Scopes</a></li> - - <li><a href="#_anonymous_scopes">Anonymous Scopes</a></li> - - </ul> - </li> - <li> - <a href="#_existence_of_objects">Existence of Objects</a> - </li> - <li> - <a href="#_calculations">Calculations</a> - <ul> - - <li><a href="#_count">Count</a></li> - - <li><a href="#_average">Average</a></li> - - <li><a href="#_minimum">Minimum</a></li> - - <li><a href="#_maximum">Maximum</a></li> - - <li><a href="#_sum">Sum</a></li> - - </ul> - </li> - <li> - <a href="#_changelog">Changelog</a> - </li> - </ol> - </div> - - <div id="content"> - <h1>Active Record Query Interface</h1> - <div id="preamble">
+ <div id="header" > + <div id="logo"> + <a href="index.html" title="Ruby on Rails"><img src="images/rails_logo_remix.gif" alt="Rails" height="140" width="110" /></a> + </div> + + <h1 id="site_title"><span>Ruby on Rails</span></h1> + <h2 id="site_title_tagline">Sustainable productivity for web-application development</h2> + + <ul id="navMain"> + <li class="first-child"><a href="http://www.rubyonrails.org/" title="Ruby on Rails" class="ruby_on_rails">Ruby on Rails</a></li> + <li><a class="manuals" href="index.html" title="Manuals Index">Guides Index</a></li> + </ul> + </div> + + <div id="container"> + + <div id="sidebar"> + <h2>Chapters</h2> + <ol> + <li> + <a href="#_ids_first_last_and_all">IDs, First, Last and All</a> + </li> + <li> + <a href="#_conditions">Conditions</a> + <ul> + + <li><a href="#_pure_string_conditions">Pure String Conditions</a></li> + + <li><a href="#_array_conditions">Array Conditions</a></li> + + <li><a href="#_placeholder_conditions">Placeholder Conditions</a></li> + + <li><a href="#_hash_conditions">Hash Conditions</a></li> + + </ul> + </li> + <li> + <a href="#_ordering">Ordering</a> + </li> + <li> + <a href="#_selecting_certain_fields">Selecting Certain Fields</a> + </li> + <li> + <a href="#_limit_amp_offset">Limit & Offset</a> + </li> + <li> + <a href="#_group">Group</a> + </li> + <li> + <a href="#_having">Having</a> + </li> + <li> + <a href="#_read_only">Read Only</a> + </li> + <li> + <a href="#_lock">Lock</a> + </li> + <li> + <a href="#_making_it_all_work_together">Making It All Work Together</a> + </li> + <li> + <a href="#_eager_loading">Eager Loading</a> + </li> + <li> + <a href="#_dynamic_finders">Dynamic finders</a> + </li> + <li> + <a href="#_finding_by_sql">Finding By SQL</a> + </li> + <li> + <a href="#_tt_select_all_tt"><tt>select_all</tt></a> + </li> + <li> + <a href="#_working_with_associations">Working with Associations</a> + </li> + <li> + <a href="#_named_scopes">Named Scopes</a> + <ul> + + <li><a href="#_simple_named_scopes">Simple Named Scopes</a></li> + + <li><a href="#_combining_named_scopes">Combining Named Scopes</a></li> + + <li><a href="#_runtime_evaluation_of_named_scope_conditions">Runtime Evaluation of Named Scope Conditions</a></li> + + <li><a href="#_named_scopes_with_multiple_models">Named Scopes with Multiple Models</a></li> + + <li><a href="#_arguments_to_named_scopes">Arguments to Named Scopes</a></li> + + <li><a href="#_anonymous_scopes">Anonymous Scopes</a></li> + + </ul> + </li> + <li> + <a href="#_existence_of_objects">Existence of Objects</a> + </li> + <li> + <a href="#_calculations">Calculations</a> + <ul> + + <li><a href="#_count">Count</a></li> + + <li><a href="#_average">Average</a></li> + + <li><a href="#_minimum">Minimum</a></li> + + <li><a href="#_maximum">Maximum</a></li> + + <li><a href="#_sum">Sum</a></li> + + </ul> + </li> + <li> + <a href="#_changelog">Changelog</a> + </li> + </ol> + </div> + + <div id="content"> + <h1>Active Record Query Interface</h1> + <div id="preamble">
<div class="sectionbody">
<div class="paragraph"><p>This guide covers different ways to retrieve data from the database using Active Record. By referring to this guide, you will be able to:</p></div>
<div class="ulist"><ul>
@@ -1094,7 +926,7 @@ December 29 2008: Initial version by Ryan Bigg </ul></div>
</div>
- </div> - </div> + </div> + </div> </body> </html> |