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43 lines
1.4 KiB
Cheetah
43 lines
1.4 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.typeScope */}}
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{{ define "dialect/sql/select" }}
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{{ $builder := pascal $.Scope.Builder }}
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{{ $receiver := $.Scope.Receiver }}
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func ({{ $receiver }} *{{ $builder }}) sqlScan(ctx context.Context, root *{{ $.QueryName }}, v any) error {
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selector := root.sqlQuery(ctx)
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aggregation := make([]string, 0, len({{ $receiver}}.fns))
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for _, fn := range {{ $receiver }}.fns {
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aggregation = append(aggregation, fn(selector))
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}
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switch n := len(*{{ $receiver }}.selector.flds); {
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{{- /* If no columns were selected, the default selection is the aggregation.*/}}
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case n == 0 && len(aggregation) > 0:
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selector.Select(aggregation...)
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case n != 0 && len(aggregation) > 0:
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selector.AppendSelect(aggregation...)
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}
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rows := &sql.Rows{}
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query, args := selector.Query()
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if err := {{ $receiver }}.driver.Query(ctx, query, args, rows); err != nil {
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return err
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}
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defer rows.Close()
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return sql.ScanSlice(rows, v)
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}
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{{/* Allow adding methods to the select-builder by ent extensions or user templates.*/}}
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{{ with $tmpls := matchTemplate "dialect/sql/select/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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