extern/egroupware
1
0
Fork 1
mirror of https://github.com/EGroupware/egroupware.git synced 2024-11-08 09:04:53 +01:00
Code Issues Packages Projects Releases Wiki Activity

"implemented automatic truncate of varchars to their max size for postgres, to fix SQL errors which cause eg. SyncML to fail under Postgres"

Browse Source
This commit is contained in:
Ralf Becker 2007-06-20 18:47:14 +00:00
parent 23c2f997fc
commit 059ca86239
1 changed files with 20 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
phpgwapi/inc/class.egw_db.inc.php
View File

@ -127,6 +127,7 @@
'name_case' => 'upper', // case of returned column- and table-names: upper, lower(pgSql), preserv(MySQL)
'client_encoding' => false, // db uses a changeable clientencoding
'case_insensitive_like' => 'LIKE', // case insensitive version of like, eg. ILIKE for postgres
'require_truncate_varchar' => false,// DB requires varchar columns to be truncated to the max. size (eg. Postgres)
'order_on_text' => true, // is the DB able to order by a given text column, boolean or
); // string for sprintf for a cast (eg. 'CAST(%s AS varchar)')
@ -346,6 +347,7 @@
$this->capabilities['client_encoding'] = (float) $db_version >= 7.4;
$this->capabilities['outer_join'] = true;
$this->capabilities['case_insensitive_like'] = 'ILIKE';
$this->capabilities['require_truncate_varchar'] = true;
break;
case 'mssql':
@ -1141,11 +1143,12 @@
* Int and Auto types are casted to int: quote('1','int') === 1, quote('','int') === 0, quote('Hello','int') === 0
*
* @param mixed $value the value to be escaped
* @param string/boolean $type string the type of the db-column, default False === varchar
* @param boolean $not_null is column NOT NULL, default true, else php null values are written as SQL NULL
* @param string/boolean $type=false string the type of the db-column, default False === varchar
* @param boolean $not_null=true is column NOT NULL, default true, else php null values are written as SQL NULL
* @param int $length=null length of the varchar column, to truncate it if the database requires it (eg. Postgres)
* @return string escaped sting
*/
function quote($value,$type=False,$not_null=true)
function quote($value,$type=False,$not_null=true,$length=null)
{
if ($this->Debug) echo "<p>db::quote(".(is_null($value)?'NULL':"'$value'").",'$type','$not_null')</p>\n";
@ -1188,6 +1191,10 @@
case 'timestamp':
return $this->Link_ID->DBTimeStamp($value);
}
if (!is_null($length) && strlen($value) > $length)
{
$value = substr($value,0,$length);
}
return $this->Link_ID->qstr($value);
}
@ -1225,6 +1232,9 @@
}
if ($this->Debug) echo "<p>db::column_data_implode('$glue',".print_r($array,True).",'$use_key',".print_r($only,True).",<pre>".print_r($column_definitions,True)."</pre>\n";
// do we need to truncate varchars to their max length (INSERT and UPDATE on Postgres)
$truncate_varchar = $glue == ',' && $this->capabilities['require_truncate_varchar'];
$keys = $values = array();
foreach($array as $key => $data)
{
@ -1241,6 +1251,10 @@
$column_type = is_array($column_definitions) ? @$column_definitions[$key]['type'] : False;
$not_null = is_array($column_definitions) && isset($column_definitions[$key]['nullable']) ? !$column_definitions[$key]['nullable'] : false;
if ($truncate_varchar)
{
$maxlength = $column_definitions[$key]['type'] == 'varchar' ? $column_definitions[$key]['precision'] : null;
}
if (is_array($data))
{
$or_null = '';
@ -1252,7 +1266,7 @@
unset($data[$k]);
continue;
}
$data[$k] = $this->quote($v,$column_type,$not_null);
$data[$k] = $this->quote($v,$column_type,$not_null,$maxlength);
}
$values[] = ($or_null?'(':'').(!count($data) ? '' :
($use_key===True ? $this->name_quote($key).' IN ' : '') .
@ -1268,7 +1282,7 @@
}
else
{
$values[] = ($use_key===True ? $this->name_quote($key) . '=' : '') . $this->quote($data,$column_type,$not_null);
$values[] = ($use_key===True ? $this->name_quote($key) . '=' : '') . $this->quote($data,$column_type,$not_null,$maxlength);
}
}
}