feat(dbal): Add ITable::getIndex

Signed-off-by: Carl Schwan <carl@carlschwan.eu>

lib/private/DB/Schema/Table.php

@@ -256,6 +256,11 @@ class Table implements ITable {
 		));
 	}
 
+	#[\Override]
+	public function getIndex(string $name): IIndex {
+		return new Index($this->table->getIndex($name));
+	}
+
 	#[\Override]
 	public function getForeignKeys(): array {
 		return array_values(array_map(

lib/public/DB/Schema/ITable.php

@@ -201,6 +201,15 @@ interface ITable {
 	 */
 	public function getIndexes(): array;
 
+	/**
+	 * Returns a specific index by name of this table.
+	 *
+	 * @param non-empty-string $name The index name.
+	 * @return IIndex
+	 * @since 35.0.0
+	 */
+	public function getIndex(string $name): IIndex;
+
 	/**
 	 * Adds a foreign key constraint.
 	 *