type safe predicates

Reviewed By: alexsn

Differential Revision: D16452717

fbshipit-source-id: da0a07275434d95d73a5a26830a2e5535c3abf47

entc/gen/template/dialect/sql/delete.tmpl

@@ -6,7 +6,7 @@ func ({{ $receiver}} *{{ $builder }}) sqlExec(ctx context.Context) error {
 	var res sql.Result
 	selector := sql.Select().From(sql.Table({{ $.Package }}.Table))
 	for _, p := range {{ $receiver }}.predicates {
-		p.SQL(selector)
+		p(selector)
 	}
 	query, args := sql.Delete({{ $.Package }}.Table).FromSelect(selector).Query()
 	return {{ $receiver }}.driver.Exec(ctx, query, args, &res)

entc/gen/template/dialect/sql/query.tmpl

@@ -75,7 +75,7 @@ func ({{ $receiver }} *{{ $builder }}) sqlQuery() *sql.Selector {
 		selector.Select(selector.Columns({{ $.Package }}.Columns...)...)
 	}
 	for _, p := range {{ $receiver }}.predicates {
-		p.SQL(selector)
+		p(selector)
 	}
 	for _, p := range {{ $receiver }}.order {
 		p.SQL(selector)

entc/gen/template/dialect/sql/update.tmpl

@@ -9,10 +9,10 @@
 func ({{ $receiver }} *{{ $builder }}) sqlSave(ctx context.Context) ({{ $ret }} {{ if $one }}*{{ $.Name }}{{ else }}int{{ end }}, err error) {
 	selector := sql.Select({{ $.Package }}.{{ if $one }}Columns...{{ else }}{{ $.ID.Constant }}{{ end }}).From(sql.Table({{ $.Package }}.Table))
 	{{- if $one }}
-		{{ $.Package }}.ID({{ $receiver }}.id).SQL(selector)
+		{{ $.Package }}.ID({{ $receiver }}.id)(selector)
 	{{- else }}
 		for _, p := range {{ $receiver }}.predicates {
-			p.SQL(selector)
+			p(selector)
 		}
 	{{- end }}
 	rows := &sql.Rows{}