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// Copyright 2015 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package bigquery
import (
"fmt"
"strings"
bq "google.golang.org/api/bigquery/v2"
)
// An Error contains detailed information about a failed bigquery operation.
// Detailed description of possible Reasons can be found here: https://cloud.google.com/bigquery/troubleshooting-errors.
type Error struct {
// Mirrors bq.ErrorProto, but drops DebugInfo
Location, Message, Reason string
}
func (e Error) Error() string {
return fmt.Sprintf("{Location: %q; Message: %q; Reason: %q}", e.Location, e.Message, e.Reason)
}
func bqToError(ep *bq.ErrorProto) *Error {
if ep == nil {
return nil
}
return &Error{
Location: ep.Location,
Message: ep.Message,
Reason: ep.Reason,
}
}
// A MultiError contains multiple related errors.
type MultiError []error
func (m MultiError) Error() string {
switch len(m) {
case 0:
return "(0 errors)"
case 1:
return m[0].Error()
case 2:
return m[0].Error() + " (and 1 other error)"
}
return fmt.Sprintf("%s (and %d other errors)", m[0].Error(), len(m)-1)
}
// RowInsertionError contains all errors that occurred when attempting to insert a row.
type RowInsertionError struct {
InsertID string // The InsertID associated with the affected row.
RowIndex int // The 0-based index of the affected row in the batch of rows being inserted.
Errors MultiError
}
func (e *RowInsertionError) Error() string {
errFmt := "insertion of row [insertID: %q; insertIndex: %v] failed with error: %s"
return fmt.Sprintf(errFmt, e.InsertID, e.RowIndex, e.Errors.Error())
}
// PutMultiError contains an error for each row which was not successfully inserted
// into a BigQuery table.
type PutMultiError []RowInsertionError
func (pme PutMultiError) errorDetails() string {
size := len(pme)
ellipsis := ""
if size == 0 {
return ""
} else if size > 3 {
size = 3
ellipsis = ", ..."
}
es := make([]string, size)
for i, e := range pme {
if i >= size {
break
}
es[i] = e.Error()
}
return fmt.Sprintf(" (%s%s)", strings.Join(es, ", "), ellipsis)
}
func (pme PutMultiError) Error() string {
plural := "s"
if len(pme) == 1 {
plural = ""
}
details := pme.errorDetails()
return fmt.Sprintf("%v row insertion%s failed%s", len(pme), plural, details)
}
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