mirror of
https://github.com/ent/ent.git
synced 2026-05-22 09:31:45 +03:00
467 lines
15 KiB
Cheetah
467 lines
15 KiB
Cheetah
{{/*
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Copyright 2019-present Facebook Inc. All rights reserved.
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This source code is licensed under the Apache 2.0 license found
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in the LICENSE file in the root directory of this source tree.
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*/}}
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{{/* gotype: entgo.io/ent/entc/gen.Type */}}
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{{ define "dialect/sql/create" }}
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{{ $builder := pascal $.Scope.Builder }}
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{{ $receiver := $.Scope.Receiver }}
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{{ $mutation := print $receiver ".mutation" }}
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{{ $pkg := base $.Config.Package }}
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func ({{ $receiver }} *{{ $builder }}) sqlSave(ctx context.Context) (*{{ $.Name }}, error) {
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if err := {{ $receiver }}.check(); err != nil {
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return nil, err
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}
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_node, _spec {{ if $.HasValueScanner }}, err {{ end }} := {{ $receiver }}.createSpec()
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{{- if $.HasValueScanner }}
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if err != nil {
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return nil, err
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}
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{{- end }}
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{{- if $.HasBlobFields }}
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_blobs := ent.NewBlobs({{ $mutation }}.blobOpeners.{{ $.Name }})
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{{- range $f := $.BlobFields }}
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{{- if not $f.IsBlobLazy }}
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if value, ok := {{ $mutation }}.{{ $f.MutationGet }}(); ok {
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{{- if $f.HasValueScanner }}
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_blobDV, err := {{ $f.ValueFunc }}(value)
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if err != nil {
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return nil, fmt.Errorf("{{ $pkg }}: encoding {{ $f.Name }}: %w", err)
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}
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var _blobData []byte
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switch v := _blobDV.(type) {
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case []byte:
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_blobData = v
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case string:
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_blobData = []byte(v)
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default:
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return nil, fmt.Errorf("{{ $pkg }}: encoding {{ $f.Name }}: expected []byte or string, got %T", _blobDV)
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}
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_blobs.Set({{ $.Package }}.{{ $f.Constant }}, _blobData,
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{{ if $f.HasBlobKey }}{{ $.Package }}.{{ $f.BlobKeyName }}{{ else }}defaultBlobKey{{ end }},
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func(k string) {
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_node.{{ $f.BlobKeyColumn }} = &k
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_spec.SetField("{{ $f.BlobKeyColumn }}", field.TypeString, k)
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},
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)
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{{- else if $f.IsBlobGoString }}
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_blobs.Set({{ $.Package }}.{{ $f.Constant }}, []byte(value),
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{{ if $f.HasBlobKey }}{{ $.Package }}.{{ $f.BlobKeyName }}{{ else }}defaultBlobKey{{ end }},
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func(k string) {
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_node.{{ $f.BlobKeyColumn }} = &k
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_spec.SetField("{{ $f.BlobKeyColumn }}", field.TypeString, k)
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},
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)
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{{- else }}
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_blobs.Set({{ $.Package }}.{{ $f.Constant }}, value,
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{{ if $f.HasBlobKey }}{{ $.Package }}.{{ $f.BlobKeyName }}{{ else }}defaultBlobKey{{ end }},
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func(k string) {
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_node.{{ $f.BlobKeyColumn }} = &k
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_spec.SetField("{{ $f.BlobKeyColumn }}", field.TypeString, k)
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},
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)
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{{- end }}
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_node.{{ $f.StructField }} = value
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}
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{{- else }}
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if r, ok := {{ $mutation }}.{{ $f.StructField }}(); ok {
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_blobData, err := io.ReadAll(r)
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if err != nil {
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return nil, fmt.Errorf("{{ $pkg }}: reading {{ $f.Name }}: %w", err)
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}
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_blobs.Set({{ $.Package }}.{{ $f.Constant }}, _blobData,
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{{ if $f.HasBlobKey }}{{ $.Package }}.{{ $f.BlobKeyName }}{{ else }}defaultBlobKey{{ end }},
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func(k string) {
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_node.{{ $f.BlobKeyColumn }} = &k
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_spec.SetField("{{ $f.BlobKeyColumn }}", field.TypeString, k)
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},
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)
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}
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{{- end }}
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{{- end }}
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_blobCleanup, err := _blobs.Create(ctx)
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if err != nil {
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return nil, err
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}
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{{- end }}
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if err := sqlgraph.CreateNode(ctx, {{ $receiver }}.driver, _spec); err != nil {
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if sqlgraph.IsConstraintError(err) {
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err = &ConstraintError{msg: err.Error(), wrap: err}
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}
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{{- if $.HasBlobFields }}
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return nil, errors.Join(err, _blobCleanup(ctx))
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{{- else }}
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return nil, err
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{{- end }}
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}
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{{- if $.HasBlobFields }}
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if txd, ok := {{ $receiver }}.driver.(*txDriver); ok {
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txd.mu.Lock()
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txd.onRollback = append(txd.onRollback, func(next Rollbacker) Rollbacker {
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return RollbackFunc(func(ctx context.Context, tx *Tx) error {
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err := next.Rollback(ctx, tx)
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return errors.Join(err, _blobCleanup(ctx))
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})
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})
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txd.mu.Unlock()
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}
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{{- end }}
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{{- if $.HasCompositeID }}
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{{- else if or $.ID.HasValueScanner $.ID.Type.ValueScanner (not $.ID.Type.Numeric) }}
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if _spec.ID.Value != nil {
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{{- if $.ID.HasValueScanner }}
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sv, ok := _spec.ID.Value.(field.ValueScanner)
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if !ok {
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sv = {{ $.ID.ScanValueFunc }}()
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if err := sv.Scan(_spec.ID.Value); err != nil {
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return nil, err
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}
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}
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if value, err := {{ $.ID.FromValueFunc }}(sv); err != nil {
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return nil, err
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} else {
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_node.ID = value
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}
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{{- else }}
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{{- /* If the ID type is not a pointer, but implements the ValueScanner interface (e.g. UUID fields). */}}
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{{- if and $.ID.Type.ValueScanner (not $.ID.Type.RType.IsPtr) }}
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if id, ok := _spec.ID.Value.(*{{ $.ID.Type }}); ok {
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_node.ID = *id
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{{- else }}
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if id, ok := _spec.ID.Value.({{ $.ID.Type }}); ok {
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_node.ID = id
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{{- end }}
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{{- if $.ID.Type.ValueScanner }}
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} else if err := _node.ID.Scan(_spec.ID.Value); err != nil {
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return nil, err
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{{- else }}
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} else {
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return nil, fmt.Errorf("unexpected {{ $.Name }}.ID type: %T", _spec.ID.Value)
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{{- end }}
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}
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{{- end }}
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}
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{{- else }}
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{{- if $.ID.UserDefined }}
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if _spec.ID.Value != _node.ID {
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{{- end }}
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id := _spec.ID.Value.(int64)
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_node.ID = {{ $.ID.Type }}(id)
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{{- if $.ID.UserDefined }}
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}
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{{- end }}
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{{- end }}
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{{- if $.HasOneFieldID }}
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{{ $mutation }}.{{ $.ID.BuilderField }} = &_node.{{ $.ID.StructField }}
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{{ $mutation }}.done = true
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{{- end }}
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return _node, nil
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}
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func ({{ $receiver }} *{{ $builder }}) createSpec() (*{{ $.Name }}, *sqlgraph.CreateSpec{{ if $.HasValueScanner }}, error{{ end }}) {
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var (
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_node = &{{ $.Name }}{config: {{ $receiver }}.config}
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_spec = sqlgraph.NewCreateSpec({{ $.Package }}.Table, {{ if $.HasOneFieldID }}sqlgraph.NewFieldSpec({{ $.Package }}.{{ $.ID.Constant }}, field.{{ $.ID.Type.ConstName }}){{ else }}nil{{ end }})
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)
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{{- /* Allow mutating the sqlgraph.CreateSpec by ent extensions or user templates.*/}}
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{{- with $tmpls := matchTemplate "dialect/sql/create/spec/*" }}
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{{- range $tmpl := $tmpls }}
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{{- xtemplate $tmpl $ }}
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{{- end }}
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{{- end }}
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{{- if and (not $.HasCompositeID) $.ID.UserDefined }}
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if id, ok := {{ $mutation }}.{{ $.ID.MutationGet }}(); ok {
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_node.ID = id
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{{- if $.ID.HasValueScanner }}
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vv, err := {{ $.ID.ValueFunc }}(id)
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if err != nil {
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return nil, nil, err
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}
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_spec.ID.Value = vv
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{{- else }}
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_spec.ID.Value = {{ if and $.ID.Type.ValueScanner (not $.ID.Type.RType.IsPtr) }}&{{ end }}id
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{{- end }}
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}
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{{- end }}
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{{- range $f := $.MutationFields }}
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{{- if $f.IsBlobNoColumn }}{{ continue }}{{ end }}
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if value, ok := {{ $mutation }}.{{ $f.MutationGet }}(); ok {
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{{- if $f.HasValueScanner }}
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vv, err := {{ $f.ValueFunc }}(value)
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if err != nil {
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return nil, nil, err
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}
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_spec.SetField({{ $.Package }}.{{ $f.Constant }}, field.{{ $f.Type.ConstName }}, vv)
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{{- else }}
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_spec.SetField({{ $.Package }}.{{ $f.Constant }}, field.{{ $f.Type.ConstName }}, value)
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{{- end }}
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_node.{{ $f.StructField }} = {{ if $f.NillableValue }}&{{ end }}value
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}
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{{- end }}
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{{- range $e := $.EdgesWithID }}
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if nodes := {{ $mutation }}.{{ $e.StructField }}IDs(); len(nodes) > 0 {
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{{- with extend $ "Edge" $e "Nodes" true "Zero" "nil" }}
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{{ template "dialect/sql/defedge" . }}{{/* defined in sql/update.tmpl */}}
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{{- end }}
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{{- if $e.OwnFK }}
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{{- $fk := $e.ForeignKey }}
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_node.{{ $fk.StructField }} = {{ if $fk.Field.NillableValue }}&{{ end }}nodes[0]
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{{- end }}
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_spec.Edges = append(_spec.Edges, edge)
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}
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{{- end }}
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return _node, _spec{{ if $.HasValueScanner }}, nil{{ end }}
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}
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{{- /* Allow adding methods to the create-builder by ent extensions or user templates.*/}}
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{{- with $tmpls := matchTemplate "dialect/sql/create/additional/*" }}
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{{- range $tmpl := $tmpls }}
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{{- xtemplate $tmpl $ }}
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{{- end }}
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{{- end }}
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{{ end }}
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{{/* Additional fields for the create builder. */}}
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{{ define "dialect/sql/create/fields" }}
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{{- with $tmpls := matchTemplate "dialect/sql/create/fields/additional/*" }}
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{{- range $tmpl := $tmpls }}
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{{- xtemplate $tmpl $ }}
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{{- end }}
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{{- end }}
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{{- end }}
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{{/* Additional fields for the create_bulk builder. */}}
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{{ define "dialect/sql/create_bulk/fields" }}
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{{- with $tmpls := matchTemplate "dialect/sql/create_bulk/fields/additional/*" }}
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{{- range $tmpl := $tmpls }}
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{{- xtemplate $tmpl $ }}
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{{- end }}
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{{- end }}
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{{- end }}
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{{ define "dialect/sql/create_bulk" }}
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{{ $builder := pascal $.Scope.Builder }}
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{{ $receiver := $.Scope.Receiver }}
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{{ $pkg := base $.Config.Package }}
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// Save creates the {{ $.Name }} entities in the database.
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func ({{ $receiver }} *{{ $builder }}) Save(ctx context.Context) ([]*{{ $.Name }}, error) {
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{{- /* Initialization error was set by MapCreateBulk. */}}
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if {{ $receiver }}.err != nil {
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return nil, {{ $receiver }}.err
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}
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specs := make([]*sqlgraph.CreateSpec, len({{ $receiver }}.builders))
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nodes := make([]*{{ $.Name }}, len({{ $receiver }}.builders))
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mutators := make([]Mutator, len({{ $receiver }}.builders))
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{{- if $.HasBlobFields }}
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_blobs := ent.NewBlobs({{ $receiver }}.blobOpeners.{{ $.Name }})
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{{- end }}
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for i := range {{ $receiver }}.builders {
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func(i int, root context.Context) {
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builder := {{ $receiver }}.builders[i]
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{{- if $.HasDefault }}
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builder.defaults()
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{{- end }}
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var mut Mutator = MutateFunc(func(ctx context.Context, m Mutation) (Value, error) {
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mutation, ok := m.(*{{ $.MutationName }})
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if !ok {
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return nil, fmt.Errorf("unexpected mutation type %T", m)
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}
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if err := builder.check(); err != nil {
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return nil, err
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}
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builder.mutation = mutation
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var err error
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nodes[i], specs[i] {{ if $.HasValueScanner }}, err {{ end }}= builder.createSpec()
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{{- if $.HasValueScanner }}
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if err != nil {
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return nil, err
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}
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{{- end }}
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{{- if $.HasBlobFields }}
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{{- range $f := $.BlobFields }}
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{{- if not $f.IsBlobLazy }}
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if value, ok := mutation.{{ $f.MutationGet }}(); ok {
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{{- if $f.HasValueScanner }}
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_blobDV, err := {{ $f.ValueFunc }}(value)
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if err != nil {
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return nil, fmt.Errorf("{{ $pkg }}: encoding {{ $f.Name }}: %w", err)
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}
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var _blobData []byte
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switch v := _blobDV.(type) {
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case []byte:
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_blobData = v
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case string:
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_blobData = []byte(v)
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default:
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return nil, fmt.Errorf("{{ $pkg }}: encoding {{ $f.Name }}: expected []byte or string, got %T", _blobDV)
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}
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_blobs.Set({{ $.Package }}.{{ $f.Constant }}, _blobData,
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{{ if $f.HasBlobKey }}{{ $.Package }}.{{ $f.BlobKeyName }}{{ else }}defaultBlobKey{{ end }},
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func(k string) {
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nodes[i].{{ $f.BlobKeyColumn }} = &k
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specs[i].SetField("{{ $f.BlobKeyColumn }}", field.TypeString, k)
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},
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)
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{{- else if $f.IsBlobGoString }}
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_blobs.Set({{ $.Package }}.{{ $f.Constant }}, []byte(value),
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{{ if $f.HasBlobKey }}{{ $.Package }}.{{ $f.BlobKeyName }}{{ else }}defaultBlobKey{{ end }},
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func(k string) {
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nodes[i].{{ $f.BlobKeyColumn }} = &k
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specs[i].SetField("{{ $f.BlobKeyColumn }}", field.TypeString, k)
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},
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)
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{{- else }}
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_blobs.Set({{ $.Package }}.{{ $f.Constant }}, value,
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{{ if $f.HasBlobKey }}{{ $.Package }}.{{ $f.BlobKeyName }}{{ else }}defaultBlobKey{{ end }},
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func(k string) {
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nodes[i].{{ $f.BlobKeyColumn }} = &k
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specs[i].SetField("{{ $f.BlobKeyColumn }}", field.TypeString, k)
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},
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)
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{{- end }}
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nodes[i].{{ $f.StructField }} = value
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}
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{{- else }}
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if r, ok := mutation.{{ $f.StructField }}(); ok {
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_blobData, err := io.ReadAll(r)
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if err != nil {
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return nil, fmt.Errorf("{{ $pkg }}: reading {{ $f.Name }}: %w", err)
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}
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_blobs.Set({{ $.Package }}.{{ $f.Constant }}, _blobData,
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{{ if $f.HasBlobKey }}{{ $.Package }}.{{ $f.BlobKeyName }}{{ else }}defaultBlobKey{{ end }},
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func(k string) {
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nodes[i].{{ $f.BlobKeyColumn }} = &k
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specs[i].SetField("{{ $f.BlobKeyColumn }}", field.TypeString, k)
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},
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)
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}
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{{- end }}
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{{- end }}
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{{- end }}
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if i < len(mutators)-1 {
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_, err = mutators[i+1].Mutate(root, {{ $receiver }}.builders[i+1].mutation)
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} else {
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{{- if $.HasBlobFields }}
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// Write blobs before creating SQL rows so insert failures can clean up written objects.
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_blobCleanup, err := _blobs.Create(ctx)
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if err != nil {
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return nil, err
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}
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{{- end }}
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spec := &sqlgraph.BatchCreateSpec{Nodes: specs}
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{{- /* Allow mutating the sqlgraph.BatchCreateSpec by ent extensions or user templates.*/}}
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{{- with $tmpls := matchTemplate "dialect/sql/create_bulk/spec/*" }}
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{{- range $tmpl := $tmpls }}
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{{- xtemplate $tmpl $ }}
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{{- end }}
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{{- end }}
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// Invoke the actual operation on the latest mutation in the chain.
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if err = sqlgraph.BatchCreate(ctx, {{ $receiver }}.driver, spec); err != nil {
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if sqlgraph.IsConstraintError(err) {
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err = &ConstraintError{msg: err.Error(), wrap: err}
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}
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{{- if $.HasBlobFields }}
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return nil, errors.Join(err, _blobCleanup(ctx))
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{{- end }}
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}
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{{- if $.HasBlobFields }}
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if txd, ok := {{ $receiver }}.driver.(*txDriver); ok {
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txd.mu.Lock()
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txd.onRollback = append(txd.onRollback, func(next Rollbacker) Rollbacker {
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return RollbackFunc(func(ctx context.Context, tx *Tx) error {
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err := next.Rollback(ctx, tx)
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return errors.Join(err, _blobCleanup(ctx))
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})
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})
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txd.mu.Unlock()
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}
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{{- end }}
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}
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if err != nil {
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return nil, err
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}
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{{- if $.HasOneFieldID }}
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mutation.{{ $.ID.BuilderField }} = &nodes[i].{{ $.ID.StructField }}
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{{- if and (or $.ID.IsString $.ID.IsUUID $.ID.IsBytes $.ID.IsOther) (not $.ID.HasValueScanner) }}
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{{- /* Do nothing, because these 4 types must be supplied by the user. */ -}}
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{{- else if $.ID.HasValueScanner }}
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if specs[i].ID.Value != nil {
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sv, ok := specs[i].ID.Value.(field.ValueScanner)
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if !ok {
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sv = {{ $.ID.ScanValueFunc }}()
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if err := sv.Scan(specs[i].ID.Value); err != nil {
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return nil, err
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}
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}
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if id, err := {{ $.ID.FromValueFunc }}(sv); err != nil {
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return nil, err
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} else {
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nodes[i].ID = id
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}
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}
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{{- else if or $.ID.Type.ValueScanner }}
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if specs[i].ID.Value != nil {
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if err := nodes[i].ID.Scan(specs[i].ID.Value); err != nil {
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return nil, err
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}
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}
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{{- else }}
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if specs[i].ID.Value != nil {{ if $.ID.UserDefined }}&& nodes[i].ID == 0{{ end }} {
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id := specs[i].ID.Value.(int64)
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nodes[i].ID = {{ $.ID.Type }}(id)
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}
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{{- end }}
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{{- end }}
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mutation.done = true
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return nodes[i], nil
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})
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for i := len(builder.hooks) - 1; i >= 0; i-- {
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mut = builder.hooks[i](mut)
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}
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mutators[i] = mut
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}(i, ctx)
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}
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if len(mutators) > 0 {
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if _, err := mutators[0].Mutate(ctx, {{ $receiver }}.builders[0].mutation); err != nil {
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return nil, err
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}
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}
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return nodes, nil
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}
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// SaveX is like Save, but panics if an error occurs.
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func ({{ $receiver }} *{{ $builder }}) SaveX(ctx context.Context) []*{{ $.Name }} {
|
|
v, err := {{ $receiver }}.Save(ctx)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
return v
|
|
}
|
|
|
|
// Exec executes the query.
|
|
func ({{ $receiver }} *{{ $builder }}) Exec(ctx context.Context) error {
|
|
_, err := {{ $receiver }}.Save(ctx)
|
|
return err
|
|
}
|
|
|
|
// ExecX is like Exec, but panics if an error occurs.
|
|
func ({{ $receiver }} *{{ $builder }}) ExecX(ctx context.Context) {
|
|
if err := {{ $receiver }}.Exec(ctx); err != nil {
|
|
panic(err)
|
|
}
|
|
}
|
|
|
|
{{- /* Allow adding methods to the create_bulk builder by ent extensions or user templates.*/}}
|
|
{{- with $tmpls := matchTemplate "dialect/sql/create_bulk/additional/*" }}
|
|
{{- range $tmpl := $tmpls }}
|
|
{{- xtemplate $tmpl $ }}
|
|
{{- end }}
|
|
{{- end }}
|
|
{{ end }}
|