74 lines
1.8 KiB
Go
74 lines
1.8 KiB
Go
// Copyright (C) 2019 Storj Labs, Inc.
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// See LICENSE for copying information.
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package dbx
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import (
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"context"
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"fmt"
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"github.com/spacemonkeygo/monkit/v3"
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"github.com/zeebo/errs"
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// load our cockroach sql driver for anywhere that uses this dbx.Open.
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_ "storj.io/storj/private/dbutil/cockroachutil"
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"storj.io/storj/private/dbutil/txutil"
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"storj.io/storj/private/tagsql"
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)
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//go:generate sh gen.sh
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var mon = monkit.Package()
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func init() {
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// catch dbx errors
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class := errs.Class("satellitedb")
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WrapErr = func(e *Error) error {
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switch e.Code {
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case ErrorCode_NoRows:
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return e.Err
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case ErrorCode_ConstraintViolation:
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return class.Wrap(&constraintError{e.Constraint, e.Err})
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}
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return class.Wrap(e)
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}
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}
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// Unwrap returns the underlying error.
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func (e *Error) Unwrap() error { return e.Err }
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// Cause returns the underlying error.
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func (e *Error) Cause() error { return e.Err }
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type constraintError struct {
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constraint string
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err error
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}
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// Unwrap returns the underlying error.
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func (err *constraintError) Unwrap() error { return err.err }
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// Cause returns the underlying error.
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func (err *constraintError) Cause() error { return err.err }
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// IsConstraintError returns true if the error is a constraint error.
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func IsConstraintError(err error) bool {
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_, ok := err.(*constraintError)
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return ok
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}
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// Error implements the error interface.
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func (err *constraintError) Error() string {
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return fmt.Sprintf("violates constraint %q: %v", err.constraint, err.err)
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}
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// WithTx wraps DB code in a transaction.
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func (db *DB) WithTx(ctx context.Context, fn func(context.Context, *Tx) error) (err error) {
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return txutil.WithTx(ctx, db, nil, func(ctx context.Context, tx tagsql.Tx) error {
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return fn(ctx, &Tx{
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Tx: tx,
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txMethods: db.wrapTx(tx),
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})
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})
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}
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