func (c *ClientConn) mergeExecResult(rs []*mysql.Result) error {
r := new(mysql.Result)
for _, v := range rs {
r.Status |= v.Status
r.AffectedRows += v.AffectedRows
if r.InsertId == 0 {
r.InsertId = v.InsertId
} else if r.InsertId > v.InsertId {
//last insert id is first gen id for multi row inserted
//see http://dev.mysql.com/doc/refman/5.6/en/information-functions.html#function_last-insert-id
r.InsertId = v.InsertId
}
}
if r.InsertId > 0 {
c.lastInsertId = int64(r.InsertId)
}
c.affectedRows = int64(r.AffectedRows)
return c.writeOK(r)
}
