Set database-engine specific properties for a field.

Parameters

$field: A field description array, as specified in the schema documentation.

3 calls to DatabaseSchema_pgsql::processField()

DatabaseSchema_pgsql::addField in includes/database/pgsql/schema.inc

Add a new field to a table.

DatabaseSchema_pgsql::changeField in includes/database/pgsql/schema.inc

Change a field definition.

DatabaseSchema_pgsql::createTableSql in includes/database/pgsql/schema.inc

Generate SQL to create a new table from a Drupal schema definition.

File

includes/database/pgsql/schema.inc, line 319

Class

DatabaseSchema_pgsql

Code

protected function processField($field) {
 if (!isset($field['size'])) {
 $field['size'] = 'normal';
 }
 // Set the correct database-engine specific datatype.
 // In case one is already provided, force it to lowercase.
 if (isset($field['pgsql_type'])) {
 $field['pgsql_type'] = drupal_strtolower ($field['pgsql_type']);
 }
 else {
 $map = $this->getFieldTypeMap ();
 $field['pgsql_type'] = $map[$field['type'] . ':' . $field['size']];
 }
 if (!empty($field['unsigned'])) {
 // Unsigned datatypes are not supported in PostgreSQL 8.3. In MySQL,
 // they are used to ensure a positive number is inserted and it also
 // doubles the maximum integer size that can be stored in a field.
 // The PostgreSQL schema in Drupal creates a check constraint
 // to ensure that a value inserted is >= 0. To provide the extra
 // integer capacity, here, we bump up the column field size.
 if (!isset($map)) {
 $map = $this->getFieldTypeMap ();
 }
 switch ($field['pgsql_type']) {
 case 'smallint':
 $field['pgsql_type'] = $map['int:medium'];
 break;
 case 'int':
 $field['pgsql_type'] = $map['int:big'];
 break;
 }
 }
 if (isset($field['type']) && $field['type'] == 'serial') {
 unset($field['not null']);
 }
 return $field;
}

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