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com.walmartlabs.lacinia.executor

Mechanisms for executing parsed queries against compiled schemas.

Mechanisms for executing parsed queries against compiled schemas.
raw docstring

execute-queryclj

(execute-query context)

Entrypoint for execution of a query.

Expects the context to contain the schema and parsed query.

Returns a ResolverResult that will deliver the result map.

This should generally not be invoked by user code; see [[execute-parsed-query]].

Entrypoint for execution of a query.

Expects the context to contain the schema and parsed query.

Returns a ResolverResult that will deliver the result map.

This should generally not be invoked by user code; see [[execute-parsed-query]].
sourceraw docstring

invoke-streamerclj

(invoke-streamer context source-stream)

Given a parsed and prepared query (inside the context, as with execute-query), this will locate the streamer for a subscription and invoke it, passing it the context, the subscription arguments, and the source stream.

Given a parsed and prepared query (inside the context, as with [[execute-query]]),
this will locate the streamer for a subscription
and invoke it, passing it the context, the subscription arguments, and the source stream.
sourceraw docstring

selections-seqclj

(selections-seq context)

A width-first traversal of selections tree, returning a lazy sequence of qualified field names. A qualified field name is a namespaced keyword, the namespace is the containing type, e.g. :User/name.

A width-first traversal of selections tree, returning a lazy sequence
of qualified field names.  A qualified field name is a namespaced keyword,
the namespace is the containing type, e.g. :User/name.
sourceraw docstring

selections-treeclj

(selections-tree context)

Constructs a tree of the selections below the current field.

Returns a map where the keys are qualified field names (the selections for this field). For each such field is a map with two optional keys; :args and :selections. :args is the arguments that will be passed to that field's resolver. :selections is the nested selection tree.

Each key is present only if value is provided; for scalar fields with no arguments, the value will be nil.

Fragments are flattened into containing fields, as with selections-seq.

Constructs a tree of the selections below the current field.

Returns a map where the keys are qualified field names (the selections for this field).
For each such field is a map with two optional keys; :args and :selections.
:args is the arguments that will be passed to that field's resolver.
:selections is the nested selection tree.

Each key is present only if value is provided; for scalar fields with no arguments, the
value will be nil.

Fragments are flattened into containing fields, as with `selections-seq`.
sourceraw docstring

selects-field?clj

(selects-field? context field-name)

Invoked by a field resolver to determine if a particular field is selected anywhere within the selection tree (that is, at any depth).

Invoked by a field resolver to determine if a particular field is selected anywhere within the selection
tree (that is, at any depth).
sourceraw docstring

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