function DatabaseSchema_pgsql::processField
Set database-engine specific properties for a field.
Parameters
$field: A field description array, as specified in the schema documentation.
3 calls to DatabaseSchema_pgsql::processField()
- DatabaseSchema_pgsql::addField in includes/
database/ pgsql/ schema.inc - Add a new field to a table.
- DatabaseSchema_pgsql::changeField in includes/
database/ pgsql/ schema.inc - Change a field definition.
- DatabaseSchema_pgsql::createTableSql in includes/
database/ pgsql/ schema.inc - Generate SQL to create a new table from a Drupal schema definition.
File
-
includes/
database/ pgsql/ schema.inc, line 319
Class
Code
protected function processField($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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