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In this video, we will go over the different parts that make up a GraphQL query, before diving into each one in more detail in the videos that follow.
New Terms:
- Declaration - The keyword which starts every GraphQL query
- Endpoint - A section of a GraphQL backend responsible for returning a specific piece of all the data available
Further Reading:
Tutorial: Getting started with GraphQL queries and mutations, by Tim Lucas
So you've gotten your
first taste of GraphQL.
0:05
Now we're going to dive in and understand
the different parts that make up a query.
0:07
In this video, we'll briefly go over each
part before explaining them in more detail
0:12
in the videos that follow.
0:17
At its most basic,
a query is composed of three parts,
0:19
the query declaration,
the endpoint, and the fields.
0:23
The query declaration tells GraphQL that
we'll only be retrieving information and
0:27
not making any changes.
0:32
In the curly braces following
the query declaration,
0:35
we specify which endpoint or
endpoints we'd like to call.
0:38
In this case, we're calling
the topMoviebyRevenue endpoint,
0:43
which will return the top earning
movie we have in our backend.
0:47
In the curly braces
following the endpoint name,
0:51
we specify the fields we want returned for
that endpoint.
0:54
This is how we tell GraphQL to include or
0:58
exclude certain properties
from our response.
1:01
So that's the basic anatomy of a query.
1:05
In the next video,
1:07
you'll learn how to tell GraphQL which
fields you want included in your response.
1:09
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