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Add index on documents (module_srl, regdate)

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게시판이나 위젯에서 작성일 역순으로 검색 및 정렬하는 경우가 많은데
(특히 list_order가 정확하지 않던 구버전 XE에서는 어쩔 수 없이 regdate로
정렬하는 사이트가 많았음) module_srl+regdate에 인덱스가 없어서
다른 컬럼으로 정렬할 때보다 성능이 떨어지는 문제 수정
This commit is contained in:
Kijin Sung 2018-01-15 14:32:49 +09:00
parent 702d94a9e7
commit b7cfa59409
1 changed files with 8 additions and 0 deletions
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8
modules/document/document.class.php
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@ -37,6 +37,7 @@ class document extends ModuleObject
$oDB->addIndex("documents","idx_module_update_order", array("module_srl","update_order"));
$oDB->addIndex("documents","idx_module_readed_count", array("module_srl","readed_count"));
$oDB->addIndex("documents","idx_module_voted_count", array("module_srl","voted_count"));
$oDB->addIndex("documents","idx_module_regdate", array("module_srl","regdate"));
$oDB->addIndex("documents","idx_module_notice", array("module_srl","is_notice"));
$oDB->addIndex("documents","idx_module_document_srl", array("module_srl","document_srl"));
$oDB->addIndex("documents","idx_module_blamed_count", array("module_srl","blamed_count"));
@ -65,6 +66,7 @@ class document extends ModuleObject
if(!$oDB->isIndexExists("documents","idx_module_update_order")) return true;
if(!$oDB->isIndexExists("documents","idx_module_readed_count")) return true;
if(!$oDB->isIndexExists("documents","idx_module_voted_count")) return true;
if(!$oDB->isIndexExists("documents","idx_module_regdate")) return true;
// 2007. 10. 17 Add a trigger to delete all posts together when the module is deleted
if(!$oModuleModel->getTrigger('module.deleteModule', 'document', 'controller', 'triggerDeleteModuleDocuments', 'after')) return true;
// 2007. 10. 25 add parent_srl, expand to the document category
@ -169,6 +171,12 @@ class document extends ModuleObject
{
$oDB->addIndex("documents","idx_module_voted_count", array("module_srl","voted_count"));
}
if(!$oDB->isIndexExists("documents","idx_module_regdate"))
{
$oDB->addIndex("documents","idx_module_regdate", array("module_srl","regdate"));
}
// 2007. 10. 17 Add a trigger to delete all posts together when the module is deleted
if(!$oModuleModel->getTrigger('module.deleteModule', 'document', 'controller', 'triggerDeleteModuleDocuments', 'after'))
$oModuleController->insertTrigger('module.deleteModule', 'document', 'controller', 'triggerDeleteModuleDocuments', 'after');