| Zeile 6 | Zeile 6 |
|---|
* Website: http://www.mybboard.com
* License: http://www.mybboard.com/license.php
*
|
* Website: http://www.mybboard.com
* License: http://www.mybboard.com/license.php
*
|
* $Id: db_pgsql.php 5380 2011-02-21 12:04:43Z Tomm $
| * $Id: db_pgsql.php 5332 2011-01-14 12:07:07Z Tomm $
|
*/
class DB_PgSQL
| */
class DB_PgSQL
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|---|
* @param string The table
* @param string The column name
* @param string the new column definition
|
* @param string The table
* @param string The column name
* @param string the new column definition
|
| | * @param boolean Whether to drop or set a column
* @param boolean The new default value (if one is to be set)
|
*/
|
*/
|
function modify_column($table, $column, $new_definition)
| function modify_column($table, $column, $new_definition, $new_not_null=false, $new_default_value=false)
|
{
|
{
|
return $this->write_query("ALTER TABLE {$this->table_prefix}{$table} ALTER COLUMN {$column} TYPE {$new_definition}");
| $result1 = $result2 = $result3 = true;
if($new_definition !== false)
{
$result1 = $this->write_query("ALTER TABLE {$this->table_prefix}{$table} ALTER COLUMN {$column} TYPE {$new_definition}");
}
if($new_not_null !== false)
{
$set_drop = "DROP";
if(strtolower($new_not_null) == "set")
{
$set_drop = "SET";
}
$result2 = $this->write_query("ALTER TABLE {$this->table_prefix}{$table} ALTER COLUMN {$column} {$set_drop} NOT NULL");
}
if($new_default_value !== false)
{
$result3 = $this->write_query("ALTER TABLE {$this->table_prefix}{$table} ALTER COLUMN {$column} SET DEFAULT {$new_default_value}");
}
else
{
$result3 = $this->write_query("ALTER TABLE {$this->table_prefix}{$table} ALTER COLUMN {$column} DROP DEFAULT");
}
return $result1 && $result2 && $result3;
|
}
/**
| }
/**
|
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|---|
* @param string The old column name
* @param string the new column name
* @param string the new column definition
|
* @param string The old column name
* @param string the new column name
* @param string the new column definition
|
| | * @param boolean Whether to drop or set a column
* @param boolean The new default value (if one is to be set)
|
*/
|
*/
|
function rename_column($table, $old_column, $new_column, $new_definition)
| function rename_column($table, $old_column, $new_column, $new_definition, $new_not_null=false, $new_default_value=false)
|
{
$result1 = $this->write_query("ALTER TABLE {$this->table_prefix}{$table} RENAME COLUMN {$old_column} TO {$new_column}");
|
{
$result1 = $this->write_query("ALTER TABLE {$this->table_prefix}{$table} RENAME COLUMN {$old_column} TO {$new_column}");
|
$result2 = $this->modify_column($table, $new_column, $new_definition);
| $result2 = $this->modify_column($table, $new_column, $new_definition, $new_not_null, $new_default_value);
|
return ($result1 && $result2);
}
| return ($result1 && $result2);
}
|