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In GraphQL, what does the parent argument in a resolver function typically represent?

easy📝 Conceptual Q1 of 15
GraphQL - Resolvers
In GraphQL, what does the parent argument in a resolver function typically represent?
AThe arguments passed to the query
BThe root query object
CThe result of the previous resolver in the resolver chain
DThe context shared across all resolvers
Step-by-Step Solution
Solution:
  1. Step 1: Understand resolver chaining

    Resolvers are called in a chain where each field resolver can receive the result of its parent field's resolver as the parent argument.
  2. Step 2: Identify the role of parent

    The parent argument holds the resolved value from the previous level, allowing nested fields to access their parent data.
  3. Final Answer:

    The result of the previous resolver in the resolver chain -> Option C
  4. Quick Check:

    Parent argument = previous resolver result [OK]
Quick Trick: Parent is the previous resolver's output in the chain [OK]
Common Mistakes:
  • Confusing parent with context
  • Thinking parent is always the root query
  • Assuming parent holds query arguments

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