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entc/gen: add support for WithNamed<E> feature-flag (#2792)

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* entc/gen: struct fields and methods for NamedEdge api

* entc/gen: generate WithNamedEdge methods for named-edges

* entc/gen: implement eager-loading for named-edges

* entc/gen: simplify eager-loading template

* entc/gen: drop support for unqiue edges in named-based loading

* all: codegen

* doc/website: named-edges feature-flag

* Update doc/md/eager-load.mdx

* Update doc/md/eager-load.mdx
This commit is contained in:
Ariel Mashraki
2022-07-24 18:41:07 +03:00
committed by GitHub
parent a2b18f24f0
commit b60e0f9eac
187 changed files with 1791 additions and 679 deletions
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6
entc/gen/template/dialect/sql/query.tmpl
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@@ -76,9 +76,9 @@ func ({{ $receiver }} *{{ $builder }}) sqlAll(ctx context.Context, hooks ...quer
}
{{- range $e := $.Edges }}
if query := {{ $receiver }}.{{ $e.EagerLoadField }}; query != nil {
if err := {{ $receiver }}.load{{ $e.StructField }}(ctx, query, nodes, {{ if and (not $e.M2M) (not $e.O2M) }}nil{{ else }}
if err := {{ $receiver }}.load{{ $e.StructField }}(ctx, query, nodes, {{ if $e.Unique }}nil{{ else }}
func(n *{{ $.Name }}){ n.Edges.{{ $e.StructField }} = []*{{ $e.Type.Name }}{} }{{ end }},
func(n *{{ $.Name }}, e *{{ $e.Type.Name }}){ n.Edges.{{ $e.StructField }} = {{ if or $e.OwnFK $e.Unique }}e{{ else }}append(n.Edges.{{ $e.StructField }}, e){{ end }} }); err != nil {
func(n *{{ $.Name }}, e *{{ $e.Type.Name }}){ n.Edges.{{ $e.StructField }} = {{ if $e.Unique }}e{{ else }}append(n.Edges.{{ $e.StructField }}, e){{ end }} }); err != nil {
return nil, err
}
}
@@ -190,7 +190,7 @@ func ({{ $receiver }} *{{ $builder }}) sqlAll(ctx context.Context, hooks ...quer
nodeids[nodes[i].ID] = nodes[i]
{{- if $e.O2M }}
if init != nil {
init(nodes[i])
init(nodes[i])
}
{{- end }}
}