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result.go
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/
result.go
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package tds
import (
"fmt"
"strconv"
)
// Result information
type Result struct {
s *session
// number of rows affected by the last command
affectedRows int64
// return status
returnStatus int
// an error was reported by the done token
hasError bool
// the affected rows were returned
hasAffectedRows bool
// a return status was received
hasReturnStatus bool
// it's the last message of the response. Found in done tokens
final bool
// server messages and errors
messages []SybError
lastError error
}
// LastInsertId returns the id of the last insert.
// TODO: handle context
func (r *Result) LastInsertId() (int64, error) {
val, err := r.s.SelectValue(nil, "select @@identity")
if err != nil {
return 0, fmt.Errorf("tds: identity fetch failed: %s", err)
}
if i, ok := val.(int64); ok {
return i, nil
}
if n, ok := val.(Num); ok {
j, err := strconv.Atoi(n.String())
return int64(j), err
}
return val.(int64), nil
}
// RowsAffected returns the number of rows affected by the last statement
func (r Result) RowsAffected() (int64, error) {
if r.hasAffectedRows {
return r.affectedRows, nil
}
return 0, nil
}