Class **Phalcon\\Db\\Column**
=============================
*implements* :doc:`Phalcon\\Db\\ColumnInterface <Phalcon_Db_ColumnInterface>`
Allows to define columns to be used on create or alter table operations
.. code-block:: php
<?php
use Phalcon\Db\Column as Column;
//column definition
$column = new Column("id", array(
"type" => Column::TYPE_INTEGER,
"size" => 10,
"unsigned" => true,
"notNull" => true,
"autoIncrement" => true,
"first" => true
));
//add column to existing table
$connection->addColumn("robots", null, $column);
Constants
---------
*integer* **TYPE_INTEGER**
*integer* **TYPE_DATE**
*integer* **TYPE_VARCHAR**
*integer* **TYPE_DECIMAL**
*integer* **TYPE_DATETIME**
*integer* **TYPE_CHAR**
*integer* **TYPE_TEXT**
*integer* **TYPE_FLOAT**
*integer* **BIND_PARAM_NULL**
*integer* **BIND_PARAM_INT**
*integer* **BIND_PARAM_STR**
*integer* **BIND_PARAM_DECIMAL**
*integer* **BIND_SKIP**
Methods
---------
public **__construct** (*string* $columnName, *array* $definition)
Phalcon\\Db\\Column constructor
public *string* **getSchemaName** ()
Returns schema's table related to column
public *string* **getName** ()
Returns column name
public *int* **getType** ()
Returns column type
public *int* **getSize** ()
Returns column size
public *int* **getScale** ()
Returns column scale
public *boolean* **isUnsigned** ()
Returns true if number column is unsigned
public *boolean* **isNotNull** ()
Not null
public *boolean* **isPrimary** ()
Column is part of the primary key?
public *boolean* **isAutoIncrement** ()
Auto-Increment
public *boolean* **isNumeric** ()
Check whether column have an numeric type
public *boolean* **isFirst** ()
Check whether column have first position in table
public *string* **getAfterPosition** ()
Check whether field absolute to position in table
public *int* **getBindType** ()
Returns the type of bind handling
public static *\Phalcon\Db\Column* **__set_state** (*array* $data)
Restores the internal state of a Phalcon\\Db\\Column object