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read.go
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/
read.go
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package cb
import (
"github.com/gocql/gocql"
"github.com/mitchellh/mapstructure"
)
// Read read
type Read struct{}
// NewRead new read
func NewRead() *Read {
return &Read{}
}
// List get list output
func (r *Read) List(dest interface{}, query string, args ...interface{}) *gocql.Iter {
q := session.Query(query, args...)
return q.Iter()
}
// Item get item output struct
func (r *Read) Item(query string, args ...interface{}) *gocql.Query {
return session.Query(query, args...)
}
// ListStruct get list output struct
func (r *Read) ListStruct(dest interface{}, query string, args ...interface{}) error {
q := session.Query(query, args...)
m, err := q.Iter().SliceMap()
if err != nil {
return err
}
return mapstructure.Decode(m, dest)
}
// ItemStruct get item output struct
func (r *Read) ItemStruct(dest interface{}, query string, args ...interface{}) error {
m := map[string]interface{}{}
q := session.Query(query, args...)
err := q.MapScan(m)
if err != nil {
return err
}
return mapstructure.Decode(m, dest)
}