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"shorten index names longer or equal to 64 chars for all db types"

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This commit is contained in:
Ralf Becker 2008-05-24 06:37:19 +00:00
parent d4544daf94
commit 17b8868698
1 changed files with 73 additions and 72 deletions
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9
phpgwapi/inc/class.schema_proc.inc.php
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@ -56,13 +56,14 @@
*/ */
var $debug = 0; var $debug = 0;
/** /**
* Arry with db => max. length of indexes pairs (if there is a considerable low limit for a db) * Array with db => max. length of indexes pairs (if there is a considerable low limit for a db)
* *
* @var array * @var array
*/ */
var $max_index_length=array( var $max_index_length=array(
'maxdb' => 32, 'maxdb' => 32,
'oracle' => 30, 'oracle' => 30,
'mysql' => 122,
); );
/** /**
* type of the database, set by the the constructor: 'mysql','pgsql','mssql','maxdb' * type of the database, set by the the constructor: 'mysql','pgsql','mssql','maxdb'
@ -917,11 +918,11 @@
$name = $sTableName.'_'.(is_array($aColumnNames) ? implode('_',$aColumnNames) : $aColumnNames); $name = $sTableName.'_'.(is_array($aColumnNames) ? implode('_',$aColumnNames) : $aColumnNames);
// this code creates a fixed short index-names (30 chars) from the long and unique name, eg. for MaxDB or Oracle // this code creates a fixed short index-names (30 chars) from the long and unique name, eg. for MaxDB or Oracle
if (isset($this->max_index_length[$this->sType]) && $this->max_index_length[$this->sType] <= 32 && strlen($name) > 30) if (isset($this->max_index_length[$this->sType]) && $this->max_index_length[$this->sType] <= 32 && strlen($name) > 30 ||
strlen($name) >= 64) // even mysql has a limit here ;-)
{ {
$name = "i".substr(hash ('md5', $name),0,29); $name = "i".substr(hash ('md5', $name),0,29);
} }
return $name; return $name;
} }