function Schema::dropField
Same name in this branch
- 10 core/modules/mysql/src/Driver/Database/mysql/Schema.php \Drupal\mysql\Driver\Database\mysql\Schema::dropField()
- 10 core/modules/pgsql/src/Driver/Database/pgsql/Schema.php \Drupal\pgsql\Driver\Database\pgsql\Schema::dropField()
- 10 core/tests/fixtures/database_drivers/module/core_fake/src/Driver/Database/CoreFakeWithAllCustomClasses/Schema.php \Drupal\core_fake\Driver\Database\CoreFakeWithAllCustomClasses\Schema::dropField()
- 10 core/lib/Drupal/Core/Database/Schema.php \Drupal\Core\Database\Schema::dropField()
Same name in other branches
- 9 core/modules/sqlite/src/Driver/Database/sqlite/Schema.php \Drupal\sqlite\Driver\Database\sqlite\Schema::dropField()
- 9 core/modules/mysql/src/Driver/Database/mysql/Schema.php \Drupal\mysql\Driver\Database\mysql\Schema::dropField()
- 9 core/modules/pgsql/src/Driver/Database/pgsql/Schema.php \Drupal\pgsql\Driver\Database\pgsql\Schema::dropField()
- 9 core/tests/fixtures/database_drivers/module/corefake/src/Driver/Database/corefakeWithAllCustomClasses/Schema.php \Drupal\corefake\Driver\Database\corefakeWithAllCustomClasses\Schema::dropField()
- 9 core/lib/Drupal/Core/Database/Schema.php \Drupal\Core\Database\Schema::dropField()
- 8.9.x core/lib/Drupal/Core/Database/Driver/sqlite/Schema.php \Drupal\Core\Database\Driver\sqlite\Schema::dropField()
- 8.9.x core/lib/Drupal/Core/Database/Driver/mysql/Schema.php \Drupal\Core\Database\Driver\mysql\Schema::dropField()
- 8.9.x core/lib/Drupal/Core/Database/Driver/pgsql/Schema.php \Drupal\Core\Database\Driver\pgsql\Schema::dropField()
- 8.9.x core/lib/Drupal/Core/Database/Schema.php \Drupal\Core\Database\Schema::dropField()
- 11.x core/modules/sqlite/src/Driver/Database/sqlite/Schema.php \Drupal\sqlite\Driver\Database\sqlite\Schema::dropField()
- 11.x core/modules/mysql/src/Driver/Database/mysql/Schema.php \Drupal\mysql\Driver\Database\mysql\Schema::dropField()
- 11.x core/modules/pgsql/src/Driver/Database/pgsql/Schema.php \Drupal\pgsql\Driver\Database\pgsql\Schema::dropField()
- 11.x core/tests/fixtures/database_drivers/module/core_fake/src/Driver/Database/CoreFakeWithAllCustomClasses/Schema.php \Drupal\core_fake\Driver\Database\CoreFakeWithAllCustomClasses\Schema::dropField()
- 11.x core/lib/Drupal/Core/Database/Schema.php \Drupal\Core\Database\Schema::dropField()
Overrides Schema::dropField
File
-
core/
modules/ sqlite/ src/ Driver/ Database/ sqlite/ Schema.php, line 566
Class
- Schema
- SQLite implementation of \Drupal\Core\Database\Schema.
Namespace
Drupal\sqlite\Driver\Database\sqliteCode
public function dropField($table, $field) {
if (!$this->fieldExists($table, $field)) {
return FALSE;
}
$old_schema = $this->introspectSchema($table);
$new_schema = $old_schema;
unset($new_schema['fields'][$field]);
// Drop the primary key if the field to drop is part of it. This is
// consistent with the behavior on PostgreSQL.
// @see \Drupal\mysql\Driver\Database\mysql\Schema::dropField()
if (isset($new_schema['primary key']) && in_array($field, $new_schema['primary key'], TRUE)) {
unset($new_schema['primary key']);
}
// Handle possible index changes.
foreach ($new_schema['indexes'] as $index => $fields) {
foreach ($fields as $key => $field_name) {
if ($field_name == $field) {
unset($new_schema['indexes'][$index][$key]);
}
}
// If this index has no more fields then remove it.
if (empty($new_schema['indexes'][$index])) {
unset($new_schema['indexes'][$index]);
}
}
$this->alterTable($table, $old_schema, $new_schema);
return TRUE;
}
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