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entc/gen: move multistorage logic to Go code

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Summary: Pull Request resolved: https://github.com/facebookincubator/ent/pull/94

Reviewed By: alexsn

Differential Revision: D17926186

fbshipit-source-id: b59dc418703bc4faca5230a7354edea1423b7d35
This commit is contained in:
Ariel Mashraki
2019-10-15 06:41:29 -07:00
committed by Facebook Github Bot
parent 36a3971f3d
commit 0c46ce4e5e
10 changed files with 49 additions and 47 deletions
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6
entc/gen/template/base.tmpl
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@@ -12,9 +12,9 @@ in the LICENSE file in the root directory of this source tree.
{{ template "import" $ }}
// Order applies an ordering on either graph traversal or sql selector.
type Order func({{ if gt (len $.Storage) 1 }}interface{}{{ else }}{{ (index $.Storage 0).Builder }}{{ end }})
type Order func({{ if $.MultiStorage }}interface{}{{ else }}{{ (index $.Storage 0).Builder }}{{ end }})
{{ if gt (len $.Storage) 1 }}
{{ if $.MultiStorage }}
// OrderPerDialect construct the "order by" clause for graph traversals based on dialect type.
func OrderPerDialect({{ range $i, $storage := $.Storage }}{{ if $i }},{{ end }}f{{ $i }} func({{ $storage.Builder }}){{ end }}) Order {
return Order(func (v interface{}) {
@@ -34,7 +34,7 @@ func OrderPerDialect({{ range $i, $storage := $.Storage }}{{ if $i }},{{ end }}f
{{ $f = pascal $f }}
// {{ $f }} applies the given fields in {{ upper $f }} order.
func {{ $f }}(fields ...string) Order {
return Order{{ if gt (len $.Storage) 1 }}PerDialect{{ end }}(
return Order{{ if $.MultiStorage }}PerDialect{{ end }}(
{{ range $_, $storage := $.Storage -}}
{{- with extend (index $.Nodes 0) "Func" $f "Order" $order -}}
{{ $tmpl := printf "dialect/%s/order" $storage }}