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"Exists" method for store #236

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"Exists" method for store #236

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19 changes: 19 additions & 0 deletions generator/templates/model.tgo
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Original file line number Diff line number Diff line change
Expand Up @@ -408,6 +408,25 @@ func (s *{{.StoreName}}) MustCount(q *{{.QueryName}}) int64 {
return s.Store.MustCount(q)
}

// Exists returns true if there is at least one record by given query.
func (s *{{.StoreName}}) Exists(q *{{.QueryName}}) (bool, error) {
q.Limit(1)
q.Select(Schema.{{.Name}}.ID)
q.Offset(0)
rs, err := s.Find(q)
if err != nil {
return false, err
}

if !rs.Next() {
return false, nil
}

err = rs.Close()
return true, err
}


// FindOne returns the first row returned by the given query.
// `ErrNotFound` is returned if there are no results.
func (s *{{.StoreName}}) FindOne(q *{{.QueryName}}) (*{{.Name}}, error) {
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