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added code to drop not-depending sequences when droping a table, depending ones cant and dont need to be droped separatly

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Ralf Becker 2004-08-15 19:52:49 +00:00
parent 9a67dc3141
commit adf79e6d7e
1 changed files with 8 additions and 3 deletions
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11
phpgwapi/inc/adodb/datadict/datadict-postgres.inc.php
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@ -236,10 +236,15 @@ class ADODB2_postgres extends ADODB_DataDict {
// this is still necessary if postgres < 7.3 or the SERIAL was created on an earlier version!!!
function _DropAutoIncrement($tabname)
{
return False; // we should/can only drop a sequenz is NOT automaticaly droped !!!
$tabname = $this->connection->quote('%'.$tabname.'%');
$seq = $this->connection->GetOne("SELECT relname FROM pg_class WHERE NOT relname ~ 'pg_.*' AND relname LIKE $tabname AND relkind='S' ORDER BY relname");
return $seq ? "DROP SEQUENCE ".$seq : false;
$seq = $this->connection->GetOne("SELECT relname FROM pg_class WHERE NOT relname ~ 'pg_.*' AND relname LIKE $tabname AND relkind='S'");
// check if a tables depends on the sequenz and it therefor cant and dont need to be droped separatly
if (!$seq || $this->connection->GetOne("SELECT relname FROM pg_class JOIN pg_depend ON pg_class.relfilenode=pg_depend.objid WHERE relname='$seq' AND relkind='S' AND deptype='i'")) {
return False;
}
return "DROP SEQUENCE ".$seq;
}
/*