From 0c749854f4dcde2813bd9daf5b055fbbce4f7120 Mon Sep 17 00:00:00 2001
From: zero <skklove@gmail.com>
Date: Tue, 21 Aug 2007 08:35:02 +0000
Subject: [PATCH] =?UTF-8?q?#91=20mysql/sqlite=EC=9D=98=20getNextSequence()?=
 =?UTF-8?q?=EC=97=90=20=EB=8C=80=ED=95=B4=2010000=EA=B0=9C=20=EB=8B=A8?=
 =?UTF-8?q?=EC=9C=84=EB=A1=9C=20=EC=82=AD=EC=A0=9C=ED=95=98=EB=8F=84?=
 =?UTF-8?q?=EB=A1=9D=ED=95=98=EA=B3=A0=20mysql=EC=97=90=EC=84=9C=200?=
 =?UTF-8?q?=EC=9D=B4=EB=9D=BC=EB=8A=94=20=EA=B0=92=EC=9D=84=20=EC=9E=85?=
 =?UTF-8?q?=EB=A0=A5=ED=95=98=EB=8F=84=EB=A1=9D=20=EC=88=98=EC=A0=95?=
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git-svn-id: http://xe-core.googlecode.com/svn/sandbox@2364 201d5d3c-b55e-5fd7-737f-ddc643e51545
---
 classes/db/DBMysql.class.php        | 8 +++++---
 classes/db/DBMysql_innodb.class.php | 8 +++++---
 classes/db/DBSqlite2.class.php      | 6 ++++--
 classes/db/DBSqlite3_pdo.class.php  | 8 +++++---
 4 files changed, 19 insertions(+), 11 deletions(-)

diff --git a/classes/db/DBMysql.class.php b/classes/db/DBMysql.class.php
index 7ec19b22c..8bc7ab0e6 100644
--- a/classes/db/DBMysql.class.php
+++ b/classes/db/DBMysql.class.php
@@ -177,11 +177,13 @@
          * @brief 1씩 증가되는 sequence값을 return (mysql의 auto_increment는 sequence테이블에서만 사용)
          **/
         function getNextSequence() {
-            $query = sprintf("insert into `%ssequence` (seq) values ('')", $this->prefix);
+            $query = sprintf("insert into `%ssequence` (seq) values ('0')", $this->prefix);
             $this->_query($query);
             $sequence = mysql_insert_id();
-            $query = sprintf("delete from  `%ssequence` where seq < %d", $this->prefix, $sequence);
-            $this->_query($query);
+            if($seqnece % 10000 == 0) {
+              $query = sprintf("delete from  `%ssequence` where seq < %d", $this->prefix, $sequence);
+              $this->_query($query);
+            }
 
             return $sequence;
         }
diff --git a/classes/db/DBMysql_innodb.class.php b/classes/db/DBMysql_innodb.class.php
index 0c6dc539e..1acba1805 100644
--- a/classes/db/DBMysql_innodb.class.php
+++ b/classes/db/DBMysql_innodb.class.php
@@ -186,11 +186,13 @@
          * @brief 1씩 증가되는 sequence값을 return (mysql의 auto_increment는 sequence테이블에서만 사용)
          **/
         function getNextSequence() {
-            $query = sprintf("insert into `%ssequence` (seq) values ('')", $this->prefix);
+            $query = sprintf("insert into `%ssequence` (seq) values ('0')", $this->prefix);
             $this->_query($query);
             $sequence = mysql_insert_id();
-            $query = sprintf("delete from  `%ssequence` where seq < %d", $this->prefix, $sequence);
-            $this->_query($query);
+            if($seqnece % 10000 == 0) {
+              $query = sprintf("delete from  `%ssequence` where seq < %d", $this->prefix, $sequence);
+              $this->_query($query);
+            }
 
             return $sequence;
         }
diff --git a/classes/db/DBSqlite2.class.php b/classes/db/DBSqlite2.class.php
index 0f4f1d227..d0e7dda18 100644
--- a/classes/db/DBSqlite2.class.php
+++ b/classes/db/DBSqlite2.class.php
@@ -175,8 +175,10 @@
             $query = sprintf("insert into %ssequence (seq) values ('')", $this->prefix);
             $this->_query($query);
             $sequence = sqlite_last_insert_rowid($this->fd);
-            $query = sprintf("delete from  %ssequence where seq < %d", $this->prefix, $sequence);
-            $this->_query($query);
+            if($seqnece % 10000 == 0) {
+              $query = sprintf("delete from  %ssequence where seq < %d", $this->prefix, $sequence);
+              $this->_query($query);
+            }
 
             return $sequence;
         }
diff --git a/classes/db/DBSqlite3_pdo.class.php b/classes/db/DBSqlite3_pdo.class.php
index e831a13d2..9a1d37a0f 100644
--- a/classes/db/DBSqlite3_pdo.class.php
+++ b/classes/db/DBSqlite3_pdo.class.php
@@ -196,9 +196,11 @@
             $this->_prepare($query);
             $result = $this->_execute();
             $sequence = $this->handler->lastInsertId();
-            $query = sprintf("delete from  %ssequence where seq < %d", $this->prefix, $sequence);
-            $this->_prepare($query);
-            $result = $this->_execute();
+            if($seqnece % 10000 == 0) {
+              $query = sprintf("delete from  %ssequence where seq < %d", $this->prefix, $sequence);
+              $this->_prepare($query);
+              $result = $this->_execute();
+            }
 
             return $sequence;
         }