Build documents

advanced.html

@@ -7,7 +7,7 @@
         <title>Advanced Usage · GORM Guide</title>
         <meta http-equiv="X-UA-Compatible" content="IE=edge" />
         <meta name="description" content="">
-        <meta name="generator" content="GitBook 3.2.2">
+        <meta name="generator" content="GitBook 3.2.3">
         
         
         
@@ -602,12 +602,48 @@
             
         </li>
     
-        <li class="chapter " data-level="1.8" data-path="changelog.html">
+        <li class="chapter " data-level="1.8" data-path="dialects.html">
+            
+                <a href="dialects.html">
+            
+                    
+                        <b>1.8.</b>
+                    
+                    Dialects
+            
+                </a>
+            
+
+            
+            <ul class="articles">
+                
+    
+        <li class="chapter " data-level="1.8.1" data-path="dialects.html">
+            
+                <a href="dialects.html#dialect-specific-columns">
+            
+                    
+                        <b>1.8.1.</b>
+                    
+                    Dialect Specific Columns
+            
+                </a>
+            
+
+            
+        </li>
+    
+
+            </ul>
+            
+        </li>
+    
+        <li class="chapter " data-level="1.9" data-path="changelog.html">
             
                 <a href="changelog.html">
             
                     
-                        <b>1.8.</b>
+                        <b>1.9.</b>
                     
                     Change Log
             
@@ -836,7 +872,7 @@ db.SetLogger(log.New(os.Stdout, <span class="hljs-string">&quot;\r\n&quot;</span
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+            gitbook.page.hasChanged({"page":{"title":"Advanced Usage","level":"1.6","depth":1,"next":{"title":"Error Handling","level":"1.6.1","depth":2,"anchor":"#error-handling","path":"advanced.md","ref":"advanced.md#error-handling","articles":[]},"previous":{"title":"Callbacks","level":"1.5","depth":1,"path":"callbacks.md","ref":"callbacks.md","articles":[]},"dir":"ltr"},"config":{"plugins":["github","edit-link"],"styles":{"website":"styles/website.css","pdf":"styles/pdf.css","epub":"styles/epub.css","mobi":"styles/mobi.css","ebook":"styles/ebook.css","print":"styles/print.css"},"pluginsConfig":{"fontsettings":{"theme":"night","family":"sans","size":2},"github":{"url":"https://github.com/jinzhu/gorm"},"edit-link":{"label":"Edit This Page","base":"https://github.com/jinzhu/gorm/edit/gh-pages/documents/"},"highlight":{},"search":{},"lunr":{"maxIndexSize":1000000,"ignoreSpecialCharacters":false},"sharing":{"facebook":true,"twitter":true,"google":false,"weibo":false,"instapaper":false,"vk":false,"all":["facebook","google","twitter","weibo","instapaper"]},"theme-default":{"styles":{"website":"styles/website.css","pdf":"styles/pdf.css","epub":"styles/epub.css","mobi":"styles/mobi.css","ebook":"styles/ebook.css","print":"styles/print.css"},"showLevel":false}},"theme":"default","pdf":{"pageNumbers":true,"fontSize":12,"fontFamily":"Arial","paperSize":"a4","chapterMark":"pagebreak","pageBreaksBefore":"/","margin":{"right":62,"left":62,"top":56,"bottom":56}},"structure":{"langs":"LANGS.md","readme":"README.md","glossary":"GLOSSARY.md","summary":"SUMMARY.md"},"variables":{},"title":"GORM Guide","gitbook":"*"},"file":{"path":"advanced.md","mtime":"2018-02-09T00:11:55.540Z","type":"markdown"},"gitbook":{"version":"3.2.3","time":"2018-02-09T00:14:37.173Z"},"basePath":".","book":{"language":""}});
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     </script>
 </div>

associations.html

@@ -7,7 +7,7 @@
         <title>Associations · GORM Guide</title>
         <meta http-equiv="X-UA-Compatible" content="IE=edge" />
         <meta name="description" content="">
-        <meta name="generator" content="GitBook 3.2.2">
+        <meta name="generator" content="GitBook 3.2.3">
         
         
         
@@ -602,12 +602,48 @@
             
         </li>
     
-        <li class="chapter " data-level="1.8" data-path="changelog.html">
+        <li class="chapter " data-level="1.8" data-path="dialects.html">
+            
+                <a href="dialects.html">
+            
+                    
+                        <b>1.8.</b>
+                    
+                    Dialects
+            
+                </a>
+            
+
+            
+            <ul class="articles">
+                
+    
+        <li class="chapter " data-level="1.8.1" data-path="dialects.html">
+            
+                <a href="dialects.html#dialect-specific-columns">
+            
+                    
+                        <b>1.8.1.</b>
+                    
+                    Dialect Specific Columns
+            
+                </a>
+            
+
+            
+        </li>
+    
+
+            </ul>
+            
+        </li>
+    
+        <li class="chapter " data-level="1.9" data-path="changelog.html">
             
                 <a href="changelog.html">
             
                     
-                        <b>1.8.</b>
+                        <b>1.9.</b>
                     
                     Change Log
             
@@ -932,7 +968,7 @@ db.Model(&amp;user).Association(<span class="hljs-string">&quot;Languages&quot;<
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+            gitbook.page.hasChanged({"page":{"title":"Associations","level":"1.3.3","depth":2,"next":{"title":"Belongs To","level":"1.3.3.1","depth":3,"anchor":"#belongs-to","path":"associations.md","ref":"associations.md#belongs-to","articles":[]},"previous":{"title":"Conventions & Overriding","level":"1.3.2","depth":2,"anchor":"#conventions","path":"models.md","ref":"models.md#conventions","articles":[]},"dir":"ltr"},"config":{"plugins":["github","edit-link"],"styles":{"website":"styles/website.css","pdf":"styles/pdf.css","epub":"styles/epub.css","mobi":"styles/mobi.css","ebook":"styles/ebook.css","print":"styles/print.css"},"pluginsConfig":{"fontsettings":{"theme":"night","family":"sans","size":2},"github":{"url":"https://github.com/jinzhu/gorm"},"edit-link":{"label":"Edit This Page","base":"https://github.com/jinzhu/gorm/edit/gh-pages/documents/"},"highlight":{},"search":{},"lunr":{"maxIndexSize":1000000,"ignoreSpecialCharacters":false},"sharing":{"facebook":true,"twitter":true,"google":false,"weibo":false,"instapaper":false,"vk":false,"all":["facebook","google","twitter","weibo","instapaper"]},"theme-default":{"styles":{"website":"styles/website.css","pdf":"styles/pdf.css","epub":"styles/epub.css","mobi":"styles/mobi.css","ebook":"styles/ebook.css","print":"styles/print.css"},"showLevel":false}},"theme":"default","pdf":{"pageNumbers":true,"fontSize":12,"fontFamily":"Arial","paperSize":"a4","chapterMark":"pagebreak","pageBreaksBefore":"/","margin":{"right":62,"left":62,"top":56,"bottom":56}},"structure":{"langs":"LANGS.md","readme":"README.md","glossary":"GLOSSARY.md","summary":"SUMMARY.md"},"variables":{},"title":"GORM Guide","gitbook":"*"},"file":{"path":"associations.md","mtime":"2018-02-09T00:11:55.541Z","type":"markdown"},"gitbook":{"version":"3.2.3","time":"2018-02-09T00:14:37.173Z"},"basePath":".","book":{"language":""}});
         });
     </script>
 </div>

callbacks.html

@@ -7,7 +7,7 @@
         <title>Callbacks · GORM Guide</title>
         <meta http-equiv="X-UA-Compatible" content="IE=edge" />
         <meta name="description" content="">
-        <meta name="generator" content="GitBook 3.2.2">
+        <meta name="generator" content="GitBook 3.2.3">
         
         
         
@@ -602,12 +602,48 @@
             
         </li>
     
-        <li class="chapter " data-level="1.8" data-path="changelog.html">
+        <li class="chapter " data-level="1.8" data-path="dialects.html">
+            
+                <a href="dialects.html">
+            
+                    
+                        <b>1.8.</b>
+                    
+                    Dialects
+            
+                </a>
+            
+
+            
+            <ul class="articles">
+                
+    
+        <li class="chapter " data-level="1.8.1" data-path="dialects.html">
+            
+                <a href="dialects.html#dialect-specific-columns">
+            
+                    
+                        <b>1.8.1.</b>
+                    
+                    Dialect Specific Columns
+            
+                </a>
+            
+
+            
+        </li>
+    
+
+            </ul>
+            
+        </li>
+    
+        <li class="chapter " data-level="1.9" data-path="changelog.html">
             
                 <a href="changelog.html">
             
                     
-                        <b>1.8.</b>
+                        <b>1.9.</b>
                     
                     Change Log
             
@@ -712,7 +748,7 @@ AfterFind
 
 <span class="hljs-comment">// Rollback the insertion if user&apos;s id greater than 1000</span>
 <span class="hljs-keyword">func</span> (u *User) AfterCreate() (err error) {
-    <span class="hljs-keyword">if</span> (u.Id &gt; <span class="hljs-number">1000</span>) {
+    <span class="hljs-keyword">if</span> u.Id &gt; <span class="hljs-number">1000</span> {
         err = errors.New(<span class="hljs-string">&quot;user id is already greater than 1000&quot;</span>)
     }
     <span class="hljs-keyword">return</span>
@@ -773,7 +809,7 @@ If you want to use those changes in your callbacks, you need to run your SQL in
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 </div>

changelog.html

@@ -7,7 +7,7 @@
         <title>Change Log · GORM Guide</title>
         <meta http-equiv="X-UA-Compatible" content="IE=edge" />
         <meta name="description" content="">
-        <meta name="generator" content="GitBook 3.2.2">
+        <meta name="generator" content="GitBook 3.2.3">
         
         
         
@@ -58,7 +58,7 @@
 
     
     
-    <link rel="prev" href="development.html" />
+    <link rel="prev" href="dialects.html" />
     
 
     </head>
@@ -600,12 +600,48 @@
             
         </li>
     
-        <li class="chapter active" data-level="1.8" data-path="changelog.html">
+        <li class="chapter " data-level="1.8" data-path="dialects.html">
+            
+                <a href="dialects.html">
+            
+                    
+                        <b>1.8.</b>
+                    
+                    Dialects
+            
+                </a>
+            
+
+            
+            <ul class="articles">
+                
+    
+        <li class="chapter " data-level="1.8.1" data-path="dialects.html">
+            
+                <a href="dialects.html#dialect-specific-columns">
+            
+                    
+                        <b>1.8.1.</b>
+                    
+                    Dialect Specific Columns
+            
+                </a>
+            
+
+            
+        </li>
+    
+
+            </ul>
+            
+        </li>
+    
+        <li class="chapter active" data-level="1.9" data-path="changelog.html">
             
                 <a href="changelog.html">
             
                     
-                        <b>1.8.</b>
+                        <b>1.9.</b>
                     
                     Change Log
             
@@ -731,7 +767,7 @@
 
             
                 
-                <a href="development.html#write-plugins" class="navigation navigation-prev navigation-unique" aria-label="Previous page: Write Plugins">
+                <a href="dialects.html#dialect-specific-columns" class="navigation navigation-prev navigation-unique" aria-label="Previous page: Dialect Specific Columns">
                     <i class="fa fa-angle-left"></i>
                 </a>
                 
@@ -743,7 +779,7 @@
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 </div>

crud.html

@@ -7,7 +7,7 @@
         <title>CRUD: Reading and Writing Data · GORM Guide</title>
         <meta http-equiv="X-UA-Compatible" content="IE=edge" />
         <meta name="description" content="">
-        <meta name="generator" content="GitBook 3.2.2">
+        <meta name="generator" content="GitBook 3.2.3">
         
         
         
@@ -602,12 +602,48 @@
             
         </li>
     
-        <li class="chapter " data-level="1.8" data-path="changelog.html">
+        <li class="chapter " data-level="1.8" data-path="dialects.html">
+            
+                <a href="dialects.html">
+            
+                    
+                        <b>1.8.</b>
+                    
+                    Dialects
+            
+                </a>
+            
+
+            
+            <ul class="articles">
+                
+    
+        <li class="chapter " data-level="1.8.1" data-path="dialects.html">
+            
+                <a href="dialects.html#dialect-specific-columns">
+            
+                    
+                        <b>1.8.1.</b>
+                    
+                    Dialect Specific Columns
+            
+                </a>
+            
+
+            
+        </li>
+    
+
+            </ul>
+            
+        </li>
+    
+        <li class="chapter " data-level="1.9" data-path="changelog.html">
             
                 <a href="changelog.html">
             
                     
-                        <b>1.8.</b>
+                        <b>1.9.</b>
                     
                     Change Log
             
@@ -1171,9 +1207,9 @@ DB.Model(&amp;product).Where(<span class="hljs-string">&quot;quantity &gt; 1&quo
 }
 </code></pre>
 <h3 id="extra-updating-option">Extra Updating option</h3>
-<pre><code class="lang-go">// Add extra SQL option for updating SQL
+<pre><code class="lang-go"><span class="hljs-comment">// Add extra SQL option for updating SQL</span>
-db.Model(&amp;user).Set(&quot;gorm:update_option&quot;, &quot;OPTION (OPTIMIZE FOR UNKNOWN)&quot;).Update(&quot;name, &quot;hello&quot;)
+db.Model(&amp;user).Set(<span class="hljs-string">&quot;gorm:update_option&quot;</span>, <span class="hljs-string">&quot;OPTION (OPTIMIZE FOR UNKNOWN)&quot;</span>).Update(<span class="hljs-string">&quot;name&quot;</span>, <span class="hljs-string">&quot;hello&quot;</span>)
-//// UPDATE users SET name=&apos;hello&apos;, updated_at = &apos;2013-11-17 21:34:10&apos; WHERE id=111 OPTION (OPTIMIZE FOR UNKNOWN);
+<span class="hljs-comment">//// UPDATE users SET name=&apos;hello&apos;, updated_at = &apos;2013-11-17 21:34:10&apos; WHERE id=111 OPTION (OPTIMIZE FOR UNKNOWN);</span>
 </code></pre>
 <h2 id="delete">Delete</h2>
 <p><strong>WARNING</strong> When delete a record, you need to ensure it&apos;s primary field has value, and GORM will use the primary key to delete the record, if primary field&apos;s blank, GORM will delete all records for the model</p>
@@ -1309,7 +1345,7 @@ db.Set(<span class="hljs-string">&quot;gorm:save_associations&quot;</span>, <spa
     <script>
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         gitbook.push(function() {
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+            gitbook.page.hasChanged({"page":{"title":"CRUD: Reading and Writing Data","level":"1.4","depth":1,"next":{"title":"Create","level":"1.4.1","depth":2,"anchor":"#create","path":"crud.md","ref":"crud.md#create","articles":[]},"previous":{"title":"Association Mode","level":"1.3.3.6","depth":3,"anchor":"#association-mode","path":"associations.md","ref":"associations.md#association-mode","articles":[]},"dir":"ltr"},"config":{"plugins":["github","edit-link"],"styles":{"website":"styles/website.css","pdf":"styles/pdf.css","epub":"styles/epub.css","mobi":"styles/mobi.css","ebook":"styles/ebook.css","print":"styles/print.css"},"pluginsConfig":{"fontsettings":{"theme":"night","family":"sans","size":2},"github":{"url":"https://github.com/jinzhu/gorm"},"edit-link":{"label":"Edit This Page","base":"https://github.com/jinzhu/gorm/edit/gh-pages/documents/"},"highlight":{},"search":{},"lunr":{"maxIndexSize":1000000,"ignoreSpecialCharacters":false},"sharing":{"facebook":true,"twitter":true,"google":false,"weibo":false,"instapaper":false,"vk":false,"all":["facebook","google","twitter","weibo","instapaper"]},"theme-default":{"styles":{"website":"styles/website.css","pdf":"styles/pdf.css","epub":"styles/epub.css","mobi":"styles/mobi.css","ebook":"styles/ebook.css","print":"styles/print.css"},"showLevel":false}},"theme":"default","pdf":{"pageNumbers":true,"fontSize":12,"fontFamily":"Arial","paperSize":"a4","chapterMark":"pagebreak","pageBreaksBefore":"/","margin":{"right":62,"left":62,"top":56,"bottom":56}},"structure":{"langs":"LANGS.md","readme":"README.md","glossary":"GLOSSARY.md","summary":"SUMMARY.md"},"variables":{},"title":"GORM Guide","gitbook":"*"},"file":{"path":"crud.md","mtime":"2018-02-09T00:12:01.492Z","type":"markdown"},"gitbook":{"version":"3.2.3","time":"2018-02-09T00:14:37.173Z"},"basePath":".","book":{"language":""}});
         });
     </script>
 </div>

database.html

@@ -7,7 +7,7 @@
         <title>Database · GORM Guide</title>
         <meta http-equiv="X-UA-Compatible" content="IE=edge" />
         <meta name="description" content="">
-        <meta name="generator" content="GitBook 3.2.2">
+        <meta name="generator" content="GitBook 3.2.3">
         
         
         
@@ -602,12 +602,48 @@
             
         </li>
     
-        <li class="chapter " data-level="1.8" data-path="changelog.html">
+        <li class="chapter " data-level="1.8" data-path="dialects.html">
+            
+                <a href="dialects.html">
+            
+                    
+                        <b>1.8.</b>
+                    
+                    Dialects
+            
+                </a>
+            
+
+            
+            <ul class="articles">
+                
+    
+        <li class="chapter " data-level="1.8.1" data-path="dialects.html">
+            
+                <a href="dialects.html#dialect-specific-columns">
+            
+                    
+                        <b>1.8.1.</b>
+                    
+                    Dialect Specific Columns
+            
+                </a>
+            
+
+            
+        </li>
+    
+
+            </ul>
+            
+        </li>
+    
+        <li class="chapter " data-level="1.9" data-path="changelog.html">
             
                 <a href="changelog.html">
             
                     
-                        <b>1.8.</b>
+                        <b>1.9.</b>
                     
                     Change Log
             
@@ -689,7 +725,7 @@
 )
 
 <span class="hljs-keyword">func</span> main() {
-  db, err := gorm.Open(<span class="hljs-string">&quot;postgres&quot;</span>, <span class="hljs-string">&quot;host=myhost user=gorm dbname=gorm sslmode=disable password=mypassword&quot;</span>)
+  db, err := gorm.Open(<span class="hljs-string">&quot;postgres&quot;</span>, <span class="hljs-string">&quot;host=myhost port=myport user=gorm dbname=gorm password=mypassword&quot;</span>)
   <span class="hljs-keyword">defer</span> db.Close()
 }
 </code></pre>
@@ -830,7 +866,7 @@ db.Model(&amp;User{}).RemoveIndex(<span class="hljs-string">&quot;idx_user_name&
     <script>
         var gitbook = gitbook || [];
         gitbook.push(function() {
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+            gitbook.page.hasChanged({"page":{"title":"Database","level":"1.2","depth":1,"next":{"title":"Database Connection","level":"1.2.1","depth":2,"anchor":"#connecting-to-a-database","path":"database.md","ref":"database.md#connecting-to-a-database","articles":[]},"previous":{"title":"Getting Started with GORM","level":"1.1","depth":1,"path":"README.md","ref":"README.md","articles":[]},"dir":"ltr"},"config":{"plugins":["github","edit-link"],"styles":{"website":"styles/website.css","pdf":"styles/pdf.css","epub":"styles/epub.css","mobi":"styles/mobi.css","ebook":"styles/ebook.css","print":"styles/print.css"},"pluginsConfig":{"fontsettings":{"theme":"night","family":"sans","size":2},"github":{"url":"https://github.com/jinzhu/gorm"},"edit-link":{"label":"Edit This Page","base":"https://github.com/jinzhu/gorm/edit/gh-pages/documents/"},"highlight":{},"search":{},"lunr":{"maxIndexSize":1000000,"ignoreSpecialCharacters":false},"sharing":{"facebook":true,"twitter":true,"google":false,"weibo":false,"instapaper":false,"vk":false,"all":["facebook","google","twitter","weibo","instapaper"]},"theme-default":{"styles":{"website":"styles/website.css","pdf":"styles/pdf.css","epub":"styles/epub.css","mobi":"styles/mobi.css","ebook":"styles/ebook.css","print":"styles/print.css"},"showLevel":false}},"theme":"default","pdf":{"pageNumbers":true,"fontSize":12,"fontFamily":"Arial","paperSize":"a4","chapterMark":"pagebreak","pageBreaksBefore":"/","margin":{"right":62,"left":62,"top":56,"bottom":56}},"structure":{"langs":"LANGS.md","readme":"README.md","glossary":"GLOSSARY.md","summary":"SUMMARY.md"},"variables":{},"title":"GORM Guide","gitbook":"*"},"file":{"path":"database.md","mtime":"2018-02-09T00:12:01.493Z","type":"markdown"},"gitbook":{"version":"3.2.3","time":"2018-02-09T00:14:37.173Z"},"basePath":".","book":{"language":""}});
         });
     </script>
 </div>

development.html

@@ -7,7 +7,7 @@
         <title>Development · GORM Guide</title>
         <meta http-equiv="X-UA-Compatible" content="IE=edge" />
         <meta name="description" content="">
-        <meta name="generator" content="GitBook 3.2.2">
+        <meta name="generator" content="GitBook 3.2.3">
         
         
         
@@ -602,12 +602,48 @@
             
         </li>
     
-        <li class="chapter " data-level="1.8" data-path="changelog.html">
+        <li class="chapter " data-level="1.8" data-path="dialects.html">
+            
+                <a href="dialects.html">
+            
+                    
+                        <b>1.8.</b>
+                    
+                    Dialects
+            
+                </a>
+            
+
+            
+            <ul class="articles">
+                
+    
+        <li class="chapter " data-level="1.8.1" data-path="dialects.html">
+            
+                <a href="dialects.html#dialect-specific-columns">
+            
+                    
+                        <b>1.8.1.</b>
+                    
+                    Dialect Specific Columns
+            
+                </a>
+            
+
+            
+        </li>
+    
+
+            </ul>
+            
+        </li>
+    
+        <li class="chapter " data-level="1.9" data-path="changelog.html">
             
                 <a href="changelog.html">
             
                     
-                        <b>1.8.</b>
+                        <b>1.9.</b>
                     
                     Change Log
             
@@ -686,28 +722,32 @@ db.First(&amp;user)
 <h2 id="write-plugins">Write Plugins</h2>
 <p>GORM itself is powered by <code>Callbacks</code>, so you could fully customize GORM as you want</p>
 <h3 id="register-a-new-callback">Register a new callback</h3>
-<pre><code>func updateCreated(scope *Scope) {
+<pre><code class="lang-go"><span class="hljs-keyword">func</span> updateCreated(scope *Scope) {
-    if scope.HasColumn(&quot;Created&quot;) {
+    <span class="hljs-keyword">if</span> scope.HasColumn(<span class="hljs-string">&quot;Created&quot;</span>) {
-        scope.SetColumn(&quot;Created&quot;, NowFunc())
+        scope.SetColumn(<span class="hljs-string">&quot;Created&quot;</span>, NowFunc())
     }
 }
 
-db.Callback().Create().Register(&quot;update_created_at&quot;, updateCreated)
+db.Callback().Create().Register(<span class="hljs-string">&quot;update_created_at&quot;</span>, updateCreated)
-// register a callback for Create process
+<span class="hljs-comment">// register a callback for Create process</span>
-</code></pre><h3 id="delete-an-existing-callback">Delete an existing callback</h3>
+</code></pre>
-<pre><code>db.Callback().Create().Remove(&quot;gorm:create&quot;)
+<h3 id="delete-an-existing-callback">Delete an existing callback</h3>
-// delete callback `gorm:create` from Create callbacks
+<pre><code class="lang-go">db.Callback().Create().Remove(<span class="hljs-string">&quot;gorm:create&quot;</span>)
-</code></pre><h3 id="replace-an-existing-callback">Replace an existing callback</h3>
+<span class="hljs-comment">// delete callback `gorm:create` from Create callbacks</span>
-<pre><code>db.Callback().Create().Replace(&quot;gorm:create&quot;, newCreateFunction)
+</code></pre>
-// replace callback `gorm:create` with new function `newCreateFunction` for Create process
+<h3 id="replace-an-existing-callback">Replace an existing callback</h3>
-</code></pre><h3 id="register-callback-orders">Register callback orders</h3>
+<pre><code class="lang-go">db.Callback().Create().Replace(<span class="hljs-string">&quot;gorm:create&quot;</span>, newCreateFunction)
-<pre><code>db.Callback().Create().Before(&quot;gorm:create&quot;).Register(&quot;update_created_at&quot;, updateCreated)
+<span class="hljs-comment">// replace callback `gorm:create` with new function `newCreateFunction` for Create process</span>
-db.Callback().Create().After(&quot;gorm:create&quot;).Register(&quot;update_created_at&quot;, updateCreated)
+</code></pre>
-db.Callback().Query().After(&quot;gorm:query&quot;).Register(&quot;my_plugin:after_query&quot;, afterQuery)
+<h3 id="register-callback-orders">Register callback orders</h3>
-db.Callback().Delete().After(&quot;gorm:delete&quot;).Register(&quot;my_plugin:after_delete&quot;, afterDelete)
+<pre><code class="lang-go">db.Callback().Create().Before(<span class="hljs-string">&quot;gorm:create&quot;</span>).Register(<span class="hljs-string">&quot;update_created_at&quot;</span>, updateCreated)
-db.Callback().Update().Before(&quot;gorm:update&quot;).Register(&quot;my_plugin:before_update&quot;, beforeUpdate)
+db.Callback().Create().After(<span class="hljs-string">&quot;gorm:create&quot;</span>).Register(<span class="hljs-string">&quot;update_created_at&quot;</span>, updateCreated)
-db.Callback().Create().Before(&quot;gorm:create&quot;).After(&quot;gorm:before_create&quot;).Register(&quot;my_plugin:before_create&quot;, beforeCreate)
+db.Callback().Query().After(<span class="hljs-string">&quot;gorm:query&quot;</span>).Register(<span class="hljs-string">&quot;my_plugin:after_query&quot;</span>, afterQuery)
-</code></pre><h3 id="pre-defined-callbacks">Pre-Defined Callbacks</h3>
+db.Callback().Delete().After(<span class="hljs-string">&quot;gorm:delete&quot;</span>).Register(<span class="hljs-string">&quot;my_plugin:after_delete&quot;</span>, afterDelete)
+db.Callback().Update().Before(<span class="hljs-string">&quot;gorm:update&quot;</span>).Register(<span class="hljs-string">&quot;my_plugin:before_update&quot;</span>, beforeUpdate)
+db.Callback().Create().Before(<span class="hljs-string">&quot;gorm:create&quot;</span>).After(<span class="hljs-string">&quot;gorm:before_create&quot;</span>).Register(<span class="hljs-string">&quot;my_plugin:before_create&quot;</span>, beforeCreate)
+</code></pre>
+<h3 id="pre-defined-callbacks">Pre-Defined Callbacks</h3>
 <p>GORM has defiend callbacks to perform its CRUD operations, check them out before start write your plugins</p>
 <ul>
 <li><p><a href="https://github.com/jinzhu/gorm/blob/master/callback_create.go" target="_blank">Create callbacks</a></p>
@@ -772,7 +812,7 @@ db.Callback().RowQuery().Register(<span class="hljs-string">&quot;publish:update
     <script>
         var gitbook = gitbook || [];
         gitbook.push(function() {
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+            gitbook.page.hasChanged({"page":{"title":"Development","level":"1.7","depth":1,"next":{"title":"Architecture","level":"1.7.1","depth":2,"anchor":"#architecture","path":"development.md","ref":"development.md#architecture","articles":[]},"previous":{"title":"Overriding Logger","level":"1.6.6","depth":2,"anchor":"#logger","path":"advanced.md","ref":"advanced.md#logger","articles":[]},"dir":"ltr"},"config":{"plugins":["github","edit-link"],"styles":{"website":"styles/website.css","pdf":"styles/pdf.css","epub":"styles/epub.css","mobi":"styles/mobi.css","ebook":"styles/ebook.css","print":"styles/print.css"},"pluginsConfig":{"fontsettings":{"theme":"night","family":"sans","size":2},"github":{"url":"https://github.com/jinzhu/gorm"},"edit-link":{"label":"Edit This Page","base":"https://github.com/jinzhu/gorm/edit/gh-pages/documents/"},"highlight":{},"search":{},"lunr":{"maxIndexSize":1000000,"ignoreSpecialCharacters":false},"sharing":{"facebook":true,"twitter":true,"google":false,"weibo":false,"instapaper":false,"vk":false,"all":["facebook","google","twitter","weibo","instapaper"]},"theme-default":{"styles":{"website":"styles/website.css","pdf":"styles/pdf.css","epub":"styles/epub.css","mobi":"styles/mobi.css","ebook":"styles/ebook.css","print":"styles/print.css"},"showLevel":false}},"theme":"default","pdf":{"pageNumbers":true,"fontSize":12,"fontFamily":"Arial","paperSize":"a4","chapterMark":"pagebreak","pageBreaksBefore":"/","margin":{"right":62,"left":62,"top":56,"bottom":56}},"structure":{"langs":"LANGS.md","readme":"README.md","glossary":"GLOSSARY.md","summary":"SUMMARY.md"},"variables":{},"title":"GORM Guide","gitbook":"*"},"file":{"path":"development.md","mtime":"2018-02-09T00:12:01.494Z","type":"markdown"},"gitbook":{"version":"3.2.3","time":"2018-02-09T00:14:37.173Z"},"basePath":".","book":{"language":""}});
         });
     </script>
 </div>

dialects.html

@@ -0,0 +1,833 @@
+
+<!DOCTYPE HTML>
+<html lang="" >
+    <head>
+        <meta charset="UTF-8">
+        <meta content="text/html; charset=utf-8" http-equiv="Content-Type">
+        <title>Dialects · GORM Guide</title>
+        <meta http-equiv="X-UA-Compatible" content="IE=edge" />
+        <meta name="description" content="">
+        <meta name="generator" content="GitBook 3.2.3">
+        
+        
+        
+    
+    <link rel="stylesheet" href="gitbook/style.css">
+
+    
+            
+                
+                <link rel="stylesheet" href="gitbook/gitbook-plugin-highlight/website.css">
+                
+            
+                
+                <link rel="stylesheet" href="gitbook/gitbook-plugin-search/search.css">
+                
+            
+                
+                <link rel="stylesheet" href="gitbook/gitbook-plugin-fontsettings/website.css">
+                
+            
+        
+
+    
+
+    
+        
+    
+        
+    
+        
+    
+        
+    
+        
+    
+        
+    
+
+        
+    
+    
+    <meta name="HandheldFriendly" content="true"/>
+    <meta name="viewport" content="width=device-width, initial-scale=1, user-scalable=no">
+    <meta name="apple-mobile-web-app-capable" content="yes">
+    <meta name="apple-mobile-web-app-status-bar-style" content="black">
+    <link rel="apple-touch-icon-precomposed" sizes="152x152" href="gitbook/images/apple-touch-icon-precomposed-152.png">
+    <link rel="shortcut icon" href="gitbook/images/favicon.ico" type="image/x-icon">
+
+    
+    <link rel="next" href="dialects.html" />
+    
+    
+    <link rel="prev" href="development.html" />
+    
+
+    </head>
+    <body>
+        
+<div class="book">
+    <div class="book-summary">
+        
+            
+<div id="book-search-input" role="search">
+    <input type="text" placeholder="Type to search" />
+</div>
+
+            
+                <nav role="navigation">
+                
+
+
+<div class="book-summary">
+    
+    <nav role="navigation">
+        <ul class="summary">
+            
+            
+    
+        <li class="chapter " data-level="1.1" data-path="./">
+            
+                <a href="./">
+            
+                    
+                        <b>1.1.</b>
+                    
+                    Getting Started with GORM
+            
+                </a>
+            
+
+            
+        </li>
+    
+        <li class="chapter " data-level="1.2" data-path="database.html">
+            
+                <a href="database.html">
+            
+                    
+                        <b>1.2.</b>
+                    
+                    Database
+            
+                </a>
+            
+
+            
+            <ul class="articles">
+                
+    
+        <li class="chapter " data-level="1.2.1" data-path="database.html">
+            
+                <a href="database.html#connecting-to-a-database">
+            
+                    
+                        <b>1.2.1.</b>
+                    
+                    Database Connection
+            
+                </a>
+            
+
+            
+        </li>
+    
+        <li class="chapter " data-level="1.2.2" data-path="database.html">
+            
+                <a href="database.html#migration">
+            
+                    
+                        <b>1.2.2.</b>
+                    
+                    Migration
+            
+                </a>
+            
+
+            
+        </li>
+    
+
+            </ul>
+            
+        </li>
+    
+        <li class="chapter " data-level="1.3" data-path="models.html">
+            
+                <a href="models.html">
+            
+                    
+                        <b>1.3.</b>
+                    
+                    Models
+            
+                </a>
+            
+
+            
+            <ul class="articles">
+                
+    
+        <li class="chapter " data-level="1.3.1" data-path="models.html">
+            
+                <a href="models.html#model-definition">
+            
+                    
+                        <b>1.3.1.</b>
+                    
+                    Model Definition
+            
+                </a>
+            
+
+            
+        </li>
+    
+        <li class="chapter " data-level="1.3.2" data-path="models.html">
+            
+                <a href="models.html#conventions">
+            
+                    
+                        <b>1.3.2.</b>
+                    
+                    Conventions & Overriding
+            
+                </a>
+            
+
+            
+        </li>
+    
+        <li class="chapter " data-level="1.3.3" data-path="associations.html">
+            
+                <a href="associations.html">
+            
+                    
+                        <b>1.3.3.</b>
+                    
+                    Associations
+            
+                </a>
+            
+
+            
+            <ul class="articles">
+                
+    
+        <li class="chapter " data-level="1.3.3.1" data-path="associations.html">
+            
+                <a href="associations.html#belongs-to">
+            
+                    
+                        <b>1.3.3.1.</b>
+                    
+                    Belongs To
+            
+                </a>
+            
+
+            
+        </li>
+    
+        <li class="chapter " data-level="1.3.3.2" data-path="associations.html">
+            
+                <a href="associations.html#has-one">
+            
+                    
+                        <b>1.3.3.2.</b>
+                    
+                    Has One
+            
+                </a>
+            
+
+            
+        </li>
+    
+        <li class="chapter " data-level="1.3.3.3" data-path="associations.html">
+            
+                <a href="associations.html#has-many">
+            
+                    
+                        <b>1.3.3.3.</b>
+                    
+                    Has Many
+            
+                </a>
+            
+
+            
+        </li>
+    
+        <li class="chapter " data-level="1.3.3.4" data-path="associations.html">
+            
+                <a href="associations.html#many-to-many">
+            
+                    
+                        <b>1.3.3.4.</b>
+                    
+                    Many To Many
+            
+                </a>
+            
+
+            
+        </li>
+    
+        <li class="chapter " data-level="1.3.3.5" data-path="associations.html">
+            
+                <a href="associations.html#polymorphism">
+            
+                    
+                        <b>1.3.3.5.</b>
+                    
+                    Polymorphism
+            
+                </a>
+            
+
+            
+        </li>
+    
+        <li class="chapter " data-level="1.3.3.6" data-path="associations.html">
+            
+                <a href="associations.html#association-mode">
+            
+                    
+                        <b>1.3.3.6.</b>
+                    
+                    Association Mode
+            
+                </a>
+            
+
+            
+        </li>
+    
+
+            </ul>
+            
+        </li>
+    
+
+            </ul>
+            
+        </li>
+    
+        <li class="chapter " data-level="1.4" data-path="crud.html">
+            
+                <a href="crud.html">
+            
+                    
+                        <b>1.4.</b>
+                    
+                    CRUD: Reading and Writing Data
+            
+                </a>
+            
+
+            
+            <ul class="articles">
+                
+    
+        <li class="chapter " data-level="1.4.1" data-path="crud.html">
+            
+                <a href="crud.html#create">
+            
+                    
+                        <b>1.4.1.</b>
+                    
+                    Create
+            
+                </a>
+            
+
+            
+        </li>
+    
+        <li class="chapter " data-level="1.4.2" data-path="crud.html">
+            
+                <a href="crud.html#query">
+            
+                    
+                        <b>1.4.2.</b>
+                    
+                    Query
+            
+                </a>
+            
+
+            
+        </li>
+    
+        <li class="chapter " data-level="1.4.3" data-path="crud.html">
+            
+                <a href="crud.html#preloading-eager-loading">
+            
+                    
+                        <b>1.4.3.</b>
+                    
+                    Preloading (Eager Loading)
+            
+                </a>
+            
+
+            
+        </li>
+    
+        <li class="chapter " data-level="1.4.4" data-path="crud.html">
+            
+                <a href="crud.html#update">
+            
+                    
+                        <b>1.4.4.</b>
+                    
+                    Update
+            
+                </a>
+            
+
+            
+        </li>
+    
+        <li class="chapter " data-level="1.4.5" data-path="crud.html">
+            
+                <a href="crud.html#delete">
+            
+                    
+                        <b>1.4.5.</b>
+                    
+                    Delete / Soft Delete
+            
+                </a>
+            
+
+            
+        </li>
+    
+        <li class="chapter " data-level="1.4.6" data-path="crud.html">
+            
+                <a href="crud.html#associations">
+            
+                    
+                        <b>1.4.6.</b>
+                    
+                    Associations
+            
+                </a>
+            
+
+            
+        </li>
+    
+
+            </ul>
+            
+        </li>
+    
+        <li class="chapter " data-level="1.5" data-path="callbacks.html">
+            
+                <a href="callbacks.html">
+            
+                    
+                        <b>1.5.</b>
+                    
+                    Callbacks
+            
+                </a>
+            
+
+            
+        </li>
+    
+        <li class="chapter " data-level="1.6" data-path="advanced.html">
+            
+                <a href="advanced.html">
+            
+                    
+                        <b>1.6.</b>
+                    
+                    Advanced Usage
+            
+                </a>
+            
+
+            
+            <ul class="articles">
+                
+    
+        <li class="chapter " data-level="1.6.1" data-path="advanced.html">
+            
+                <a href="advanced.html#error-handling">
+            
+                    
+                        <b>1.6.1.</b>
+                    
+                    Error Handling
+            
+                </a>
+            
+
+            
+        </li>
+    
+        <li class="chapter " data-level="1.6.2" data-path="advanced.html">
+            
+                <a href="advanced.html#transactions">
+            
+                    
+                        <b>1.6.2.</b>
+                    
+                    Transactions
+            
+                </a>
+            
+
+            
+        </li>
+    
+        <li class="chapter " data-level="1.6.3" data-path="advanced.html">
+            
+                <a href="advanced.html#sql-builder">
+            
+                    
+                        <b>1.6.3.</b>
+                    
+                    Raw SQL & SQL Builder
+            
+                </a>
+            
+
+            
+        </li>
+    
+        <li class="chapter " data-level="1.6.4" data-path="advanced.html">
+            
+                <a href="advanced.html#generic-database-interface-sqldb">
+            
+                    
+                        <b>1.6.4.</b>
+                    
+                    Generic database interface sql.DB
+            
+                </a>
+            
+
+            
+        </li>
+    
+        <li class="chapter " data-level="1.6.5" data-path="advanced.html">
+            
+                <a href="advanced.html#compose-primary-key">
+            
+                    
+                        <b>1.6.5.</b>
+                    
+                    Composite Primary Key
+            
+                </a>
+            
+
+            
+        </li>
+    
+        <li class="chapter " data-level="1.6.6" data-path="advanced.html">
+            
+                <a href="advanced.html#logger">
+            
+                    
+                        <b>1.6.6.</b>
+                    
+                    Overriding Logger
+            
+                </a>
+            
+
+            
+        </li>
+    
+
+            </ul>
+            
+        </li>
+    
+        <li class="chapter " data-level="1.7" data-path="development.html">
+            
+                <a href="development.html">
+            
+                    
+                        <b>1.7.</b>
+                    
+                    Development
+            
+                </a>
+            
+
+            
+            <ul class="articles">
+                
+    
+        <li class="chapter " data-level="1.7.1" data-path="development.html">
+            
+                <a href="development.html#architecture">
+            
+                    
+                        <b>1.7.1.</b>
+                    
+                    Architecture
+            
+                </a>
+            
+
+            
+        </li>
+    
+        <li class="chapter " data-level="1.7.2" data-path="development.html">
+            
+                <a href="development.html#write-plugins">
+            
+                    
+                        <b>1.7.2.</b>
+                    
+                    Write Plugins
+            
+                </a>
+            
+
+            
+        </li>
+    
+
+            </ul>
+            
+        </li>
+    
+        <li class="chapter active" data-level="1.8" data-path="dialects.html">
+            
+                <a href="dialects.html">
+            
+                    
+                        <b>1.8.</b>
+                    
+                    Dialects
+            
+                </a>
+            
+
+            
+            <ul class="articles">
+                
+    
+        <li class="chapter " data-level="1.8.1" data-path="dialects.html">
+            
+                <a href="dialects.html#dialect-specific-columns">
+            
+                    
+                        <b>1.8.1.</b>
+                    
+                    Dialect Specific Columns
+            
+                </a>
+            
+
+            
+        </li>
+    
+
+            </ul>
+            
+        </li>
+    
+        <li class="chapter " data-level="1.9" data-path="changelog.html">
+            
+                <a href="changelog.html">
+            
+                    
+                        <b>1.9.</b>
+                    
+                    Change Log
+            
+                </a>
+            
+
+            
+        </li>
+    
+
+            <li class="divider"></li>
+            
+        </ul>
+    </nav>
+    
+</div>
+
+
+                </nav>
+            
+        
+    </div>
+
+    <div class="book-body">
+        
+            <div class="body-inner">
+                
+                    
+
+<div class="book-header" role="navigation">
+    
+
+    <!-- Title -->
+    <h1>
+        <i class="fa fa-circle-o-notch fa-spin"></i>
+        <a href="." >Dialects</a>
+    </h1>
+</div>
+
+
+
+
+                    <div class="page-wrapper" tabindex="-1" role="main">
+                        <div class="page-inner">
+                            
+<div id="book-search-results">
+    <div class="search-noresults">
+    
+                                <section class="normal markdown-section">
+                                
+                                <h1 id="dialects">Dialects</h1>
+<!-- toc -->
+<h2 id="dialect-specific-columns">Dialect Specific Columns</h2>
+<p>Certain dialects of SQL ship with their own custom, non-standard column types, such as the <code>jsonb</code> column in PostgreSQL. GORM supports loading several of such types, as listed in the following sections.</p>
+<h4 id="postgresql">PostgreSQL</h4>
+<p>GORM supports loading the following PostgreSQL exclusive column types:</p>
+<ul>
+<li>jsonb</li>
+<li>hstore</li>
+</ul>
+<p>Given the following Model definition: </p>
+<pre><code class="lang-go"><span class="hljs-keyword">import</span> (
+    <span class="hljs-string">&quot;encoding/json&quot;</span>
+    <span class="hljs-string">&quot;fmt&quot;</span>
+    <span class="hljs-string">&quot;reflect&quot;</span>
+    <span class="hljs-string">&quot;github.com/jinzhu/gorm&quot;</span>
+    <span class="hljs-string">&quot;github.com/jinzhu/gorm/dialects/postgres&quot;</span>
+)
+
+<span class="hljs-keyword">type</span> Document <span class="hljs-keyword">struct</span> {
+    Metadata    postgres.Jsonb        
+    Secrets     postgres.Hstore     
+    Body        <span class="hljs-keyword">string</span>
+
+    ID          <span class="hljs-keyword">int</span>   
+}
+</code></pre>
+<p>You may use the model like so: </p>
+<pre><code class="lang-go">password := <span class="hljs-string">&quot;0654857340&quot;</span>
+metadata := json.RawMessage(<span class="hljs-string">`{&quot;is_archived&quot;: 0}`</span>)
+sampleDoc := Document{
+    Body : <span class="hljs-string">&quot;This is a test document&quot;</span>,
+    Metadata : postgres.Jsonb{ metadata },
+    Secrets : postgres.Hstore{<span class="hljs-string">&quot;password&quot;</span> : &amp;password },
+}
+
+<span class="hljs-comment">//insert sampleDoc into the database</span>
+db.Create(&amp;sampleDoc)
+
+<span class="hljs-comment">//retrieve the fields again to confirm if they were inserted correctly</span>
+resultDoc := Document{}
+db.Where(<span class="hljs-string">&quot;id = ?&quot;</span>, sampleDoc.ID).First(&amp;resultDoc)
+
+metadataIsEqual := reflect.DeepEqual( resultDoc.Metadata, sampleDoc.Metadata)
+secretsIsEqual := reflect.DeepEqual( resultDoc.Secrets, resultDoc.Secrets)
+
+<span class="hljs-comment">//this should print &quot;true&quot;</span>
+fmt.Println(<span class="hljs-string">&quot;Inserted fields are as expected:&quot;</span>, metadataIsEqual &amp;&amp; secretsIsEqual)
+</code></pre>
+
+                                
+                                </section>
+                            
+    </div>
+    <div class="search-results">
+        <div class="has-results">
+            
+            <h1 class="search-results-title"><span class='search-results-count'></span> results matching "<span class='search-query'></span>"</h1>
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+        gitbook.push(function() {
+            gitbook.page.hasChanged({"page":{"title":"Dialects","level":"1.8","depth":1,"next":{"title":"Dialect Specific Columns","level":"1.8.1","depth":2,"anchor":"#dialect-specific-columns","path":"dialects.md","ref":"dialects.md#dialect-specific-columns","articles":[]},"previous":{"title":"Write Plugins","level":"1.7.2","depth":2,"anchor":"#write-plugins","path":"development.md","ref":"development.md#write-plugins","articles":[]},"dir":"ltr"},"config":{"plugins":["github","edit-link"],"styles":{"website":"styles/website.css","pdf":"styles/pdf.css","epub":"styles/epub.css","mobi":"styles/mobi.css","ebook":"styles/ebook.css","print":"styles/print.css"},"pluginsConfig":{"fontsettings":{"theme":"night","family":"sans","size":2},"github":{"url":"https://github.com/jinzhu/gorm"},"edit-link":{"label":"Edit This Page","base":"https://github.com/jinzhu/gorm/edit/gh-pages/documents/"},"highlight":{},"search":{},"lunr":{"maxIndexSize":1000000,"ignoreSpecialCharacters":false},"sharing":{"facebook":true,"twitter":true,"google":false,"weibo":false,"instapaper":false,"vk":false,"all":["facebook","google","twitter","weibo","instapaper"]},"theme-default":{"styles":{"website":"styles/website.css","pdf":"styles/pdf.css","epub":"styles/epub.css","mobi":"styles/mobi.css","ebook":"styles/ebook.css","print":"styles/print.css"},"showLevel":false}},"theme":"default","pdf":{"pageNumbers":true,"fontSize":12,"fontFamily":"Arial","paperSize":"a4","chapterMark":"pagebreak","pageBreaksBefore":"/","margin":{"right":62,"left":62,"top":56,"bottom":56}},"structure":{"langs":"LANGS.md","readme":"README.md","glossary":"GLOSSARY.md","summary":"SUMMARY.md"},"variables":{},"title":"GORM Guide","gitbook":"*"},"file":{"path":"dialects.md","mtime":"2018-02-09T00:12:01.494Z","type":"markdown"},"gitbook":{"version":"3.2.3","time":"2018-02-09T00:14:37.173Z"},"basePath":".","book":{"language":""}});
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@@ -7,7 +7,7 @@
         <title>Getting Started with GORM · GORM Guide</title>
         <meta http-equiv="X-UA-Compatible" content="IE=edge" />
         <meta name="description" content="">
-        <meta name="generator" content="GitBook 3.2.2">
+        <meta name="generator" content="GitBook 3.2.3">
         
         
         
@@ -600,12 +600,48 @@
             
         </li>
     
-        <li class="chapter " data-level="1.8" data-path="changelog.html">
+        <li class="chapter " data-level="1.8" data-path="dialects.html">
+            
+                <a href="dialects.html">
+            
+                    
+                        <b>1.8.</b>
+                    
+                    Dialects
+            
+                </a>
+            
+
+            
+            <ul class="articles">
+                
+    
+        <li class="chapter " data-level="1.8.1" data-path="dialects.html">
+            
+                <a href="dialects.html#dialect-specific-columns">
+            
+                    
+                        <b>1.8.1.</b>
+                    
+                    Dialect Specific Columns
+            
+                </a>
+            
+
+            
+        </li>
+    
+
+            </ul>
+            
+        </li>
+    
+        <li class="chapter " data-level="1.9" data-path="changelog.html">
             
                 <a href="changelog.html">
             
                     
-                        <b>1.8.</b>
+                        <b>1.9.</b>
                     
                     Change Log
             
@@ -774,7 +810,7 @@
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models.html

@@ -7,7 +7,7 @@
         <title>Models · GORM Guide</title>
         <meta http-equiv="X-UA-Compatible" content="IE=edge" />
         <meta name="description" content="">
-        <meta name="generator" content="GitBook 3.2.2">
+        <meta name="generator" content="GitBook 3.2.3">
         
         
         
@@ -602,12 +602,48 @@
             
         </li>
     
-        <li class="chapter " data-level="1.8" data-path="changelog.html">
+        <li class="chapter " data-level="1.8" data-path="dialects.html">
+            
+                <a href="dialects.html">
+            
+                    
+                        <b>1.8.</b>
+                    
+                    Dialects
+            
+                </a>
+            
+
+            
+            <ul class="articles">
+                
+    
+        <li class="chapter " data-level="1.8.1" data-path="dialects.html">
+            
+                <a href="dialects.html#dialect-specific-columns">
+            
+                    
+                        <b>1.8.1.</b>
+                    
+                    Dialect Specific Columns
+            
+                </a>
+            
+
+            
+        </li>
+    
+
+            </ul>
+            
+        </li>
+    
+        <li class="chapter " data-level="1.9" data-path="changelog.html">
             
                 <a href="changelog.html">
             
                     
-                        <b>1.8.</b>
+                        <b>1.9.</b>
                     
                     Change Log
             
@@ -752,10 +788,11 @@ db.SingularTable(<span class="hljs-literal">true</span>) <span class="hljs-comme
 </code></pre>
 <h3 id="change-default-tablenames">Change default tablenames</h3>
 <p>You can apply any rules on the default table name by defining the <code>DefaultTableNameHandler</code></p>
-<pre><code>gorm.DefaultTableNameHandler = func (db *gorm.DB, defaultTableName string) string  {
+<pre><code class="lang-go">gorm.DefaultTableNameHandler = <span class="hljs-keyword">func</span> (db *gorm.DB, defaultTableName <span class="hljs-keyword">string</span>) <span class="hljs-keyword">string</span>  {
-    return &quot;prefix_&quot; + defaultTableName;
+    <span class="hljs-keyword">return</span> <span class="hljs-string">&quot;prefix_&quot;</span> + defaultTableName;
 }
-</code></pre><h3 id="column-name-is-the-snake-case-of-fields-name">Column name is the snake case of field&apos;s name</h3>
+</code></pre>
+<h3 id="column-name-is-the-snake-case-of-fields-name">Column name is the snake case of field&apos;s name</h3>
 <pre><code class="lang-go"><span class="hljs-keyword">type</span> User <span class="hljs-keyword">struct</span> {
   ID <span class="hljs-keyword">uint</span>             <span class="hljs-comment">// column name will be `id`</span>
   Name <span class="hljs-keyword">string</span>         <span class="hljs-comment">// column name will be `name`</span>
@@ -841,7 +878,7 @@ db.Model(&amp;user).Update(<span class="hljs-string">&quot;name&quot;</span>, <s
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