| Zeile 1353 | Zeile 1353 |
|---|
*/
function drop_column($table, $column)
{
|
*/
function drop_column($table, $column)
{
|
return $this->write_query("ALTER TABLE {$this->table_prefix}{$table} DROP {$column}");
| $column = trim($column, '`');
return $this->write_query("ALTER TABLE {$this->table_prefix}{$table} DROP `{$column}`");
|
}
/**
* Adds a column
|
}
/**
* Adds a column
|
*
| *
|
* @param string $table The table
* @param string $column The column name
* @param string $definition the new column definition
* @return resource
*/
function add_column($table, $column, $definition)
|
* @param string $table The table
* @param string $column The column name
* @param string $definition the new column definition
* @return resource
*/
function add_column($table, $column, $definition)
|
{
return $this->write_query("ALTER TABLE {$this->table_prefix}{$table} ADD {$column} {$definition}");
}
| {
$column = trim($column, '`');
return $this->write_query("ALTER TABLE {$this->table_prefix}{$table} ADD `{$column}` {$definition}");
}
|
/**
* Modifies a column
|
/**
* Modifies a column
|
*
* @param string $table The table
| *
* @param string $table The table
|
* @param string $column The column name
|
* @param string $column The column name
|
* @param string $new_definition the new column definition
* @return resource
*/
function modify_column($table, $column, $new_definition)
| * @param string $new_definition the new column definition
* @param boolean|string $new_not_null Whether to "drop" or "set" the NOT NULL attribute (no change if false)
* @param boolean|string $new_default_value The new default value, or false to drop the attribute
* @return bool Returns true if all queries are executed successfully or false if one of them failed
*/
function modify_column($table, $column, $new_definition, $new_not_null=false, $new_default_value=false)
|
{
|
{
|
return $this->write_query("ALTER TABLE {$this->table_prefix}{$table} MODIFY {$column} {$new_definition}");
| $column = trim($column, '`');
if($new_not_null !== false)
{
if(strtolower($new_not_null) == "set")
{
$not_null = "NOT NULL";
}
else
{
$not_null = "NULL";
}
}
else
{
$not_null = '';
}
if($new_default_value !== false)
{
$default = "DEFAULT ".$new_default_value;
}
else
{
$default = '';
}
return (bool)$this->write_query("ALTER TABLE {$this->table_prefix}{$table} MODIFY `{$column}` {$new_definition} {$not_null}");
|
}
/**
| }
/**
|
| Zeile 1389 | Zeile 1422 |
|---|
* @param string $old_column The old column name
* @param string $new_column the new column name
* @param string $new_definition the new column definition
|
* @param string $old_column The old column name
* @param string $new_column the new column name
* @param string $new_definition the new column definition
|
* @return resource
| * @param boolean|string $new_not_null Whether to "drop" or "set" the NOT NULL attribute (no change if false)
* @param boolean|string $new_default_value The new default value, or false to drop the attribute
* @return bool Returns true if all queries are executed successfully
|
*/
|
*/
|
function rename_column($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)
|
{
|
{
|
return $this->write_query("ALTER TABLE {$this->table_prefix}{$table} CHANGE {$old_column} {$new_column} {$new_definition}");
| $old_column = trim($old_column, '`');
$new_column = trim($new_column, '`');
if($new_not_null !== false)
{
if(strtolower($new_not_null) == "set")
{
$not_null = "NOT NULL";
}
else
{
$not_null = "NULL";
}
}
else
{
$not_null = '';
}
if($new_default_value !== false)
{
$default = "DEFAULT ".$new_default_value;
}
else
{
$default = '';
}
return (bool)$this->write_query("ALTER TABLE {$this->table_prefix}{$table} CHANGE `{$old_column}` `{$new_column}` {$new_definition} {$not_null} {$default}");
|
}
/**
| }
/**
|