27 lines
826 B
Go
27 lines
826 B
Go
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// Copyright (C) 2020 Storj Labs, Inc.
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// See LICENSE for copying information.
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// Package pgerrcode implements postgres error extraction without depending on a postgres
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// library.
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package pgerrcode
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import "errors"
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// FromError returns the 5-character PostgreSQL error code string associated
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// with the given error, if any.
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func FromError(err error) string {
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var sqlStateErr errWithSQLState
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if errors.As(err, &sqlStateErr) {
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return sqlStateErr.SQLState()
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}
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return ""
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}
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// errWithSQLState is an interface supported by error classes corresponding
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// to PostgreSQL errors from certain drivers. This is satisfied, in particular,
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// by pgx (*pgconn.PgError) and may be adopted by other types. An effort is
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// apparently underway to get lib/pq to add this interface.
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type errWithSQLState interface {
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SQLState() string
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}
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