From 7ecb5c69d466e3a71e35ac76fc7bc0321fe2048d Mon Sep 17 00:00:00 2001
From: Mzhelskiy Maxim <rus.engine@gmail.com>
Date: Tue, 26 Apr 2011 16:43:26 +0000
Subject: [PATCH] =?UTF-8?q?!isFieldExists()=20=D0=B4=D0=BB=D1=8F=20=D0=BF?=
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---
 engine/classes/Plugin.class.php            | 11 +++++++++
 engine/modules/database/Database.class.php | 28 ++++++++++++++++++++++
 2 files changed, 39 insertions(+)

diff --git a/engine/classes/Plugin.class.php b/engine/classes/Plugin.class.php
index 8a07bd05..75019332 100644
--- a/engine/classes/Plugin.class.php
+++ b/engine/classes/Plugin.class.php
@@ -194,6 +194,17 @@ abstract class Plugin extends Object {
 		return $this->Database_isTableExists($sTableName);
 	}
 	
+	/**
+	 * Проверяет наличие поля в таблице
+	 *
+	 * @param unknown_type $sTableName
+	 * @param unknown_type $sFieldName
+	 * @return unknown
+	 */
+	protected function isFieldExists($sTableName,$sFieldName) {
+		return $this->Database_isFieldExists($sTableName,$sFieldName);
+	}
+	
 	/**
 	 * Получает версию плагина
 	 *
diff --git a/engine/modules/database/Database.class.php b/engine/modules/database/Database.class.php
index 3570e275..219113fe 100644
--- a/engine/modules/database/Database.class.php
+++ b/engine/modules/database/Database.class.php
@@ -162,6 +162,13 @@ class ModuleDatabase extends Module {
 		return array('result'=>false,'errors'=>$aErrors);
 	}
 	
+	/**
+	 * Проверяет существование таблицы
+	 *
+	 * @param string $sTableName
+	 * @param array $aConfig
+	 * @return bool
+	 */
 	public function isTableExists($sTableName,$aConfig=null) {
 		$sTableName = str_replace('prefix_', Config::Get('db.table.prefix'), $sTableName);
 		$sQuery="SHOW TABLES LIKE '{$sTableName}'";
@@ -170,6 +177,27 @@ class ModuleDatabase extends Module {
 		}
 		return false;
 	}
+	
+	/**
+	 * Проверяет существование поля в таблице
+	 *
+	 * @param string $sTableName
+	 * @param string $sFieldName
+	 * @param array $aConfig
+	 * @return bool
+	 */
+	public function isFieldExists($sTableName,$sFieldName,$aConfig=null) {
+		$sTableName = str_replace('prefix_', Config::Get('db.table.prefix'), $sTableName);
+		$sQuery="SHOW FIELDS FROM '{$sTableName}'";
+		if ($aRows=$this->GetConnect($aConfig)->select($sQuery)) {
+			foreach ($aRows as $aRow){
+				if ($aRow['Field'] == $sFieldName){
+					return true;
+				}
+			}
+		}
+		return false;
+	}
 		
 }