#class pq\Gateway\Table\Attributes
 implements IteratorAggregate

The table attributes (columns) of a table.

Query:#

The following query is executed by the current executor of the table to retrieve the table attributes:

select 
     attnum         as index
    ,attname        as name
    ,atttypid       as type
    ,atthasdef      as hasdefault
    ,not attnotnull as nullable
from
     pg_attribute 
where attrelid = \$1::regclass 
and   attnum   > 0

Cache:#

The result of this query is cached in the metadata cache under the following key, where $table is converted to a string by pq\Gateway\Table::__toString():

"$table:attributes"

Properties:#

• protected array $columns#
  The table attributes.

Functions:#

• Attributes::__construct#

  Retrieve the table attributes (columns).

  void pq\Gateway\Table\Attributes::__construct(pq\Gateway\Table $table)

• Attributes::count#

  Implements countable.

  int pq\Gateway\Table\Attributes::count()

• Attributes::getColumn#

  Get a specific column.

  stdClass pq\Gateway\Table\Attributes::getColumn(mixed $col)

• Attributes::getColumns#

  Retrieve all columns of the table.

  array pq\Gateway\Table\Attributes::getColumns()

• Attributes::getIterator#

  Implements IteratorAggregate.

  ArrayIterator pq\Gateway\Table\Attributes::getIterator()