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<?php
/**
* PHPPgAdmin v6.0.0-RC7
*/
namespace PHPPgAdmin\Database\Traits;
/**
* Common trait for tablespaces manipulation.
*/
trait TablespaceTrait
{
/**
* Retrieves information for all tablespaces.
*
* @param bool $all Include all tablespaces (necessary when moving objects back to the default space)
*
* @return \PHPPgAdmin\ADORecordSet A recordset
*/
public function getTablespaces($all = false)
{
$conf = $this->conf;
$sql = "SELECT spcname, pg_catalog.pg_get_userbyid(spcowner) AS spcowner, pg_catalog.pg_tablespace_location(oid) as spclocation,
(SELECT description FROM pg_catalog.pg_shdescription pd WHERE pg_tablespace.oid=pd.objoid AND pd.classoid='pg_tablespace'::regclass) AS spccomment
FROM pg_catalog.pg_tablespace";
if (!$conf['show_system'] && !$all) {
$sql .= ' WHERE spcname NOT LIKE $$pg\_%$$';
}
$sql .= ' ORDER BY spcname';
return $this->selectSet($sql);
}
// Misc functions
/**
* Retrieves a tablespace's information.
*
* @param string $spcname
*
* @return \PHPPgAdmin\ADORecordSet A recordset
*/
public function getTablespace($spcname)
{
$this->clean($spcname);
$sql = "SELECT spcname, pg_catalog.pg_get_userbyid(spcowner) AS spcowner, pg_catalog.pg_tablespace_location(oid) as spclocation,
(SELECT description FROM pg_catalog.pg_shdescription pd WHERE pg_tablespace.oid=pd.objoid AND pd.classoid='pg_tablespace'::regclass) AS spccomment
FROM pg_catalog.pg_tablespace WHERE spcname='{$spcname}'";
return $this->selectSet($sql);
}
/**
* Creates a tablespace.
*
* @param string $spcname The name of the tablespace to create
* @param string $spcowner The owner of the tablespace. '' for current
* @param string $spcloc The directory in which to create the tablespace
* @param string $comment
*
* @return int 0 success
*/
public function createTablespace($spcname, $spcowner, $spcloc, $comment = '')
{
$this->fieldClean($spcname);
$this->clean($spcloc);
$sql = "CREATE TABLESPACE \"{$spcname}\"";
if ($spcowner != '') {
$this->fieldClean($spcowner);
$sql .= " OWNER \"{$spcowner}\"";
}
$sql .= " LOCATION '{$spcloc}'";
$status = $this->execute($sql);
if ($status != 0) {
return -1;
}
if ($comment != '' && $this->hasSharedComments()) {
$status = $this->setComment('TABLESPACE', $spcname, '', $comment);
if ($status != 0) {
return -2;
}
}
return 0;
}
/**
* Alters a tablespace.
*
* @param string $spcname The name of the tablespace
* @param string $name The new name for the tablespace
* @param string $owner The new owner for the tablespace
* @param string $comment
*
* @return bool|int 0 success
*/
public function alterTablespace($spcname, $name, $owner, $comment = '')
{
$this->fieldClean($spcname);
$this->fieldClean($name);
$this->fieldClean($owner);
// Begin transaction
$status = $this->beginTransaction();
if ($status != 0) {
return -1;
}
// Owner
$sql = "ALTER TABLESPACE \"{$spcname}\" OWNER TO \"{$owner}\"";
$status = $this->execute($sql);
if ($status != 0) {
$this->rollbackTransaction();
return -2;
}
// Rename (only if name has changed)
if ($name != $spcname) {
$sql = "ALTER TABLESPACE \"{$spcname}\" RENAME TO \"{$name}\"";
$status = $this->execute($sql);
if ($status != 0) {
$this->rollbackTransaction();
return -3;
}
$spcname = $name;
}
// Set comment if it has changed
if (trim($comment) != '' && $this->hasSharedComments()) {
$status = $this->setComment('TABLESPACE', $spcname, '', $comment);
if ($status != 0) {
return -4;
}
}
return $this->endTransaction();
}
/**
* Drops a tablespace.
*
* @param string $spcname The name of the domain to drop
*
* @return int 0 if operation was successful
*/
public function dropTablespace($spcname)
{
$this->fieldClean($spcname);
$sql = "DROP TABLESPACE \"{$spcname}\"";
return $this->execute($sql);
}
abstract public function fieldClean(&$str);
abstract public function beginTransaction();
abstract public function rollbackTransaction();
abstract public function endTransaction();
abstract public function execute($sql);
abstract public function setComment($obj_type, $obj_name, $table, $comment, $basetype = null);
abstract public function selectSet($sql);
abstract public function clean(&$str);
abstract public function phpBool($parameter);
abstract public function hasCreateTableLikeWithConstraints();
abstract public function hasCreateTableLikeWithIndexes();
abstract public function hasTablespaces();
abstract public function delete($table, $conditions, $schema = '');
abstract public function fieldArrayClean(&$arr);
abstract public function hasCreateFieldWithConstraints();
abstract public function hasSharedComments();
abstract public function getAttributeNames($table, $atts);
}
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