note 52016 added to function.pg-field-prtlen

mysql_field_len () function and more for postgres ... problems ... * pg_field_prtlen ... gives the actual size of the field back (it shows the count of the content allready inside the field - not the possible max-len) * pg_filed_size ... can't be used for varchar or bpchar fields ...but there is a way to get the real-max-length of a field in postgreSQL via the system tables: //returns an array with infos of every field in the table (name, type, length, size) function SQLConstructFieldsInfo($TABLE, $DBCON) { $s="SELECT a.attname AS name, t.typname AS type, a.attlen AS size, a.atttypmod AS len, a.attstorage AS i FROM pg_attribute a , pg_class c, pg_type t WHERE c.relname = '$TABLE' AND a.attrelid = c.oid AND a.atttypid = t.oid"; if ($r = pg_query($DBCON,$s)) { $i=0; while ($q = pg_fetch_assoc($r)) { $a[$i]["type"]=$q["type"]; $a[$i]["name"]=$q["name"]; if($q["len"]<0 && $q["i"]!="x") { // in case of digits if needed ... (+1 for negative values) $a[$i]["len"]=(strlen(pow(2,($q["size"]*8)))+1); } else { $a[$i]["len"]=$q["len"]; } $a[$i]["size"]=$q["size"]; $i++; } return $a; } return null; } // usage $DBCON=pg_connect("host=YOUR-HOST port=YOUR-PORT dbname=YOUR-DB user=YOUR-USER password=YOUR-PASS"); $TABLE="YOUR-TABLENAME"; $RET=SQLConstructFieldsInfo($TABLE, $DBCON); $j = count($RET); for ($i=0; $i < $j; $i++) { echo "<br>$i name=".$RET[$i]["name"]." type=".$RET[$i]["type"]." length=".$RET[$i]["len"]." size=".$RET[$i]["size"]." bytes"; } ---- Manual Page -- http://www.php.net/manual/en/function.pg-field-prtlen.php Edit -- http://master.php.net/manage/user-notes.php?action=edit+52016 Delete: added to the manual -- http://master.php.net/manage/user-notes.php?action=delete+52016&report=yes&reason=added+to+the+manual Delete: bad code -- http://master.php.net/manage/user-notes.php?action=delete+52016&report=yes&reason=bad+code Delete: spam -- http://master.php.net/manage/user-notes.php?action=delete+52016&report=yes&reason=spam Delete: useless -- http://master.php.net/manage/user-notes.php?action=delete+52016&report=yes&reason=useless Delete: other reasons -- http://master.php.net/manage/user-notes.php?action=delete+52016&report=yes Reject -- http://master.php.net/manage/user-notes.php?action=reject+52016&report=yes Search -- http://master.php.net/manage/user-notes.php