storj/satellite/satellitedb/dbx/gen.go
Egon Elbre c1c878efcf all: fix import groupings
check-imports was broken and didn't complain about things.

Change-Id: I38adafd16b4aba86f0eb4f53427b4393f9a6c710
2020-01-20 17:47:44 +00:00

68 lines
1.6 KiB
Go

// Copyright (C) 2019 Storj Labs, Inc.
// See LICENSE for copying information.
package dbx
import (
"context"
"fmt"
"github.com/zeebo/errs"
"gopkg.in/spacemonkeygo/monkit.v2"
// load our cockroach sql driver for anywhere that uses this dbx.Open
_ "storj.io/storj/private/dbutil/cockroachutil"
"storj.io/storj/private/dbutil/txutil"
)
//go:generate sh gen.sh
var mon = monkit.Package()
func init() {
// catch dbx errors
class := errs.Class("satellitedb")
WrapErr = func(e *Error) error {
switch e.Code {
case ErrorCode_NoRows:
return e.Err
case ErrorCode_ConstraintViolation:
return class.Wrap(&constraintError{e.Constraint, e.Err})
}
return class.Wrap(e)
}
}
// Unwrap returns the underlying error.
func (e *Error) Unwrap() error { return e.Err }
// Cause returns the underlying error.
func (e *Error) Cause() error { return e.Err }
type constraintError struct {
constraint string
err error
}
// Unwrap returns the underlying error.
func (err *constraintError) Unwrap() error { return err.err }
// Cause returns the underlying error.
func (err *constraintError) Cause() error { return err.err }
// Error implements the error interface.
func (err *constraintError) Error() string {
return fmt.Sprintf("violates constraint %q: %v", err.constraint, err.err)
}
// WithTx wraps DB code in a transaction
func (db *DB) WithTx(ctx context.Context, fn func(context.Context, *Tx) error) (err error) {
tx, err := db.Open(ctx)
if err != nil {
return err
}
return txutil.ExecuteInTx(ctx, db.Driver(), tx.Tx, func() error {
return fn(ctx, tx)
})
}