Same name in other branches

1. 8.9.x core/tests/Drupal/Tests/Core/Database/SchemaIntrospectionTestTrait.php \Drupal\Tests\Core\Database\SchemaIntrospectionTestTrait::getIndexColumnNames()
2. 10 core/tests/Drupal/Tests/Core/Database/SchemaIntrospectionTestTrait.php \Drupal\Tests\Core\Database\SchemaIntrospectionTestTrait::getIndexColumnNames()
3. 11.x core/tests/Drupal/Tests/Core/Database/SchemaIntrospectionTestTrait.php \Drupal\Tests\Core\Database\SchemaIntrospectionTestTrait::getIndexColumnNames()

Returns the column names used by the indexes of a table.

Parameters

string $table_name: A table name.

string $index_type: The type of the index. Can be one of 'index', 'unique' or 'primary'.

Return value

array A multi-dimensional array containing the column names for each index of the given type.

2 calls to SchemaIntrospectionTestTrait::getIndexColumnNames()

SchemaIntrospectionTestTrait::assertIndexOnColumns in core/tests/Drupal/Tests/Core/Database/SchemaIntrospectionTestTrait.php

Checks that an index covering exactly the given column names exists.

SchemaIntrospectionTestTrait::assertNoIndexOnColumns in core/tests/Drupal/Tests/Core/Database/SchemaIntrospectionTestTrait.php

Checks that an index covering exactly the given column names doesn't exist.

File

core/tests/Drupal/Tests/Core/Database/SchemaIntrospectionTestTrait.php, line 63

Class

SchemaIntrospectionTestTrait

Provides methods for testing database schema characteristics.

Namespace

Drupal\Tests\Core\Database

Code

protected function getIndexColumnNames($table_name, $index_type) {
    assert(in_array($index_type, [
        'index',
        'unique',
        'primary',
    ], TRUE));
    $schema = \Drupal::database()->schema();
    $introspect_index_schema = new \ReflectionMethod(get_class($schema), 'introspectIndexSchema');
    $introspect_index_schema->setAccessible(TRUE);
    $index_schema = $introspect_index_schema->invoke($schema, $table_name);
    // Filter the indexes by type.
    if ($index_type === 'primary') {
        $indexes = [
            $index_schema['primary key'],
        ];
    }
    elseif ($index_type === 'unique') {
        $indexes = array_values($index_schema['unique keys']);
    }
    else {
        $indexes = array_values($index_schema['indexes']);
    }
    return $indexes;
}

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