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Data types

Type map

This driver maps CrateDB types to the following PHP types:

CrateDB Type	PHP Type
boolean	boolean
byte	integer
short	integer
integer	integer
long	string
float	float
double	float
string	string
ip	string
timestamp	DateTime
geo_point	array
geo_shape	array
object	array
array	array

Column type definitions

When defining CrateDB timestamp, object or array type columns, you must construct the DBAL column definition programatically, using the types and attributes provided by the CrateDB DBAL driver.

Primitive column types (e.g. string, integer, and so on) can be defined in the regular DBAL way.

The custom type objects provided by the CrateDB DBAL driver are:

• TimestampType

• MapType

• ArrayType

Here’s an example of how the MapType can be used:

use Doctrine\DBAL\Schema\Column;
use Doctrine\DBAL\Schema\Table;
use Doctrine\DBAL\Types\Type;
use Crate\DBAL\Types\MapType;

$table = new Table('test_table');
$objDefinition = array(
  'type' => MapType::STRICT,
   'fields' => array(
     new Column('id',  Type::getType('integer'), array()),
     new Column('name',  Type::getType('string'), array()),
     ),
   );
$table->addColumn(
    'object_column', MapType::NAME,
    array('platformOptions'=>$objDefinition));
$schemaManager->createTable($table);

Here, the MapType class being used to model a CrateDB object. Standard DBAL types, like string, are being used to construct the schema of the object, via calls to the the use of the Column class and calls to the Type::getType static method, and so on.

See also

The Doctrine ORM documentation has more about type mapping.