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* [refac] Refactor: simplify formatAttr method by removing switch statement.

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This commit is contained in:
liugang
2025-08-27 16:15:37 +08:00
parent cd787eef11
commit 26834dbb2a
1 changed files with 41 additions and 42 deletions
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lib/dbh/dbh.class.php
+41 -42
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@@ -703,60 +703,59 @@ class dbh
/**
* Format attribute of field.
*
* @param string $sql
* @param string $sql
* @access public
* @return string
*/
public function formatAttr($sql)
{
switch($this->dbConfig->driver)
if($this->dbConfig->driver == 'dm')
{
case 'dm':
$pos = stripos($sql, ' ENGINE');
if($pos > 0) $sql = substr($sql, 0, $pos);
$pos = stripos($sql, ' ENGINE');
if($pos > 0) $sql = substr($sql, 0, $pos);
$sql = preg_replace('/\(\ *\d+\ *\)/', '', $sql);
$sql = preg_replace('/\(\ *\d+\ *\)/', '', $sql);
$replace = array(
" AUTO_INCREMENT" => ' IDENTITY(1, 1)',
" int " => ' integer ',
" mediumint " => ' integer ',
" smallint " => ' integer ',
" tinyint " => ' integer ',
" varchar " => ' varchar(255) ',
" char " => ' varchar(255) ',
" mediumtext " => ' text ',
" mediumtext," => ' text,',
" longtext " => ' text ',
"COLLATE 'utf8_general_ci'" => ' ',
" unsigned " => ' ',
" zerofill " => ' ',
"0000-00-00" => '1970-01-01',
);
$replace = array(
" AUTO_INCREMENT" => ' IDENTITY(1, 1)',
" int " => ' integer ',
" mediumint " => ' integer ',
" smallint " => ' integer ',
" tinyint " => ' integer ',
" varchar " => ' varchar(255) ',
" char " => ' varchar(255) ',
" mediumtext " => ' text ',
" mediumtext," => ' text,',
" longtext " => ' text ',
"COLLATE 'utf8_general_ci'" => ' ',
" unsigned " => ' ',
" zerofill " => ' ',
"0000-00-00" => '1970-01-01',
);
$sql = preg_replace('/ enum[\_0-9a-z\,\'\"\( ]+\)+/i', ' varchar(255) ', $sql);
$sql = str_ireplace(array_keys($replace), array_values($replace), $sql);
$sql = preg_replace('/\,\s+key[\_\"0-9a-z ]+\(+[\,\_\"0-9a-z ]+\)+/i', '', $sql);
$sql = preg_replace('/\,\s*(unique|fulltext)*\s+key[\_\"0-9a-z ]+\(+[\,\_\"0-9a-z ]+\)+/i', '', $sql);
$sql = preg_replace('/ float\s*\(+[\,\_\"0-9a-z ]+\)+/i', ' float', $sql);
$sql = preg_replace('/ enum[\_0-9a-z\,\'\"\( ]+\)+/i', ' varchar(255) ', $sql);
$sql = str_ireplace(array_keys($replace), array_values($replace), $sql);
$sql = preg_replace('/\,\s+key[\_\"0-9a-z ]+\(+[\,\_\"0-9a-z ]+\)+/i', '', $sql);
$sql = preg_replace('/\,\s*(unique|fulltext)*\s+key[\_\"0-9a-z ]+\(+[\,\_\"0-9a-z ]+\)+/i', '', $sql);
$sql = preg_replace('/ float\s*\(+[\,\_\"0-9a-z ]+\)+/i', ' float', $sql);
/* Convert "date" datetime to "date" datetime(0) to fix bug 25725, dm database datetime default 6 */
preg_match_all('/"[0-9a-zA-Z]+" datetime/', $sql, $datetimeMatch);
if(!empty($datetimeMatch))
/* Convert "date" datetime to "date" datetime(0) to fix bug 25725, dm database datetime default 6 */
preg_match_all('/"[0-9a-zA-Z]+" datetime/', $sql, $datetimeMatch);
if(!empty($datetimeMatch))
{
foreach($datetimeMatch[0] as $match) $sql = str_replace($match, $match . '(0)', $sql);
}
if(strpos($sql, "ALTER TABLE") === 0)
{
$sql = $this->convertAlterTableSql($sql);
if(stripos($sql, "ADD") !== false)
{
foreach($datetimeMatch[0] as $match) $sql = str_replace($match, $match . '(0)', $sql);
}
if(strpos($sql, "ALTER TABLE") === 0)
{
$sql = $this->convertAlterTableSql($sql);
if(stripos($sql, "ADD") !== false)
{
// 使用正则表达式匹配并去除 "AFTER" 关键字及其后面的内容
$pattern = "/\s+AFTER\s+.+$/i";
$sql = preg_replace($pattern, "", $sql);
}
// 使用正则表达式匹配并去除 "AFTER" 关键字及其后面的内容
$pattern = "/\s+AFTER\s+.+$/i";
$sql = preg_replace($pattern, "", $sql);
}
}
}
return $sql;