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error.go
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error.go
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package pg
import (
"io"
"net"
"github.com/go-pg/pg/internal"
)
var (
ErrNoRows = internal.ErrNoRows
ErrMultiRows = internal.ErrMultiRows
errSSLNotSupported = internal.Errorf("pg: SSL is not enabled on the server")
errClosed = internal.Errorf("pg: database is closed")
errTxDone = internal.Errorf("pg: transaction has already been committed or rolled back")
errStmtClosed = internal.Errorf("pg: statement is closed")
errListenerClosed = internal.Errorf("pg: listener is closed")
)
type Error interface {
Field(byte) string
IntegrityViolation() bool
}
var _ Error = (*internal.PGError)(nil)
func isBadConn(err error, allowTimeout bool) bool {
if err == nil {
return false
}
if _, ok := err.(internal.Error); ok {
return false
}
if pgErr, ok := err.(Error); ok && pgErr.Field('S') != "FATAL" {
return false
}
if allowTimeout {
if netErr, ok := err.(net.Error); ok && netErr.Timeout() {
return false
}
}
return true
}
func isNetworkError(err error) bool {
if err == io.EOF {
return true
}
_, ok := err.(net.Error)
return ok
}