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dao.go
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/
dao.go
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package tab
import (
"context"
"go-common/app/interface/main/app-card/model/card/operate"
"go-common/app/interface/main/app-feed/conf"
"go-common/library/database/sql"
)
const (
_followSQL = "SELECT `id`,`type`,`long_title`,`content` FROM `card_follow` WHERE `deleted`=0"
)
type Dao struct {
db *sql.DB
followGet *sql.Stmt
}
func New(c *conf.Config) (d *Dao) {
d = &Dao{
db: sql.NewMySQL(c.MySQL.Show),
}
// prepare
d.followGet = d.db.Prepared(_followSQL)
return
}
func (d *Dao) Follow(c context.Context) (cm map[int64]*operate.Follow, err error) {
var rows *sql.Rows
if rows, err = d.followGet.Query(c); err != nil {
return
}
defer rows.Close()
cm = make(map[int64]*operate.Follow)
for rows.Next() {
c := &operate.Follow{}
if err = rows.Scan(&c.ID, &c.Type, &c.Title, &c.Content); err != nil {
return
}
c.Change()
cm[c.ID] = c
}
return
}