diff --git a/docs/references/api/tables_views.rst b/docs/references/api/tables_views.rst index 5a8ca92e6..3d4bb9b31 100644 --- a/docs/references/api/tables_views.rst +++ b/docs/references/api/tables_views.rst @@ -449,7 +449,7 @@ The arrow operators(``->``, ``->>``) can also be used for accessing composite fi .. important:: - When using the ``->`` and ``->>`` operators, PostgREST uses a query like ``to_jsonb()->'field'``. To make filtering and ordering on those nested fields use an index, the index needs to be created on the same expression, including the ``to_jsonb(...)`` call: + When using the ``->`` and ``->>`` operators on composite and array columns, PostgREST uses a query like ``to_jsonb()->'field'``. To make filtering and ordering on those nested fields use an index, the index needs to be created on the same expression, including the ``to_jsonb(...)`` call: .. code-block:: postgres @@ -685,6 +685,14 @@ If we make a similar request on ``bigtable``, which has 3573458 rows, we would g HTTP/1.1 206 Partial Content Content-Range: 0-24/3572000 +.. _head_req: + +HEAD +---- + +A HEAD method will behave identically to GET except that no body will be returned (`RFC 2616 `_) . +As an optimization, the generated query won't execute an aggregate (to avoid unnecessary data transfer). + .. _update: Update