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errors: Export MySQLWarning #169

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Merged
merged 1 commit into from
Nov 9, 2013
Merged

errors: Export MySQLWarning #169

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23 changes: 15 additions & 8 deletions errors.go
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Original file line number Diff line number Diff line change
Expand Up @@ -26,7 +26,7 @@ var (
errPktTooLarge = errors.New("Packet for query is too large. You can change this value on the server by adjusting the 'max_allowed_packet' variable.")
)

// error type which represents a single MySQL error
// MySQLError is an error type which represents a single MySQL error
type MySQLError struct {
Number uint16
Message string
Expand All @@ -36,22 +36,29 @@ func (me *MySQLError) Error() string {
return fmt.Sprintf("Error %d: %s", me.Number, me.Message)
}

// error type which represents a group of one or more MySQL warnings
type MySQLWarnings []mysqlWarning
// MySQLWarnings is an error type which represents a group of one or more MySQL
// warnings
type MySQLWarnings []MysqlWarning

func (mws MySQLWarnings) Error() string {
var msg string
for i, warning := range mws {
if i > 0 {
msg += "\r\n"
}
msg += fmt.Sprintf("%s %s: %s", warning.Level, warning.Code, warning.Message)
msg += fmt.Sprintf(
"%s %s: %s",
warning.Level,
warning.Code,
warning.Message,
)
}
return msg
}

// error type which represents a single MySQL warning
type mysqlWarning struct {
// MysqlWarning is an error type which represents a single MySQL warning.
// Warnings are returned in groups only. See MySQLWarnings
type MysqlWarning struct {
Level string
Code string
Message string
Expand All @@ -66,15 +73,15 @@ func (mc *mysqlConn) getWarnings() (err error) {
var warnings = MySQLWarnings{}
var values = make([]driver.Value, 3)

var warning mysqlWarning
var warning MysqlWarning
var raw []byte
var ok bool

for {
err = rows.Next(values)
switch err {
case nil:
warning = mysqlWarning{}
warning = MysqlWarning{}

if raw, ok = values[0].([]byte); ok {
warning.Level = string(raw)
Expand Down