fix(go.sum): update ResolveSpec dependency to v1.0.87

vendor/github.com/uptrace/bun/driver/pgdriver/error.go

@@ -0,0 +1,75 @@
+package pgdriver
+
+import (
+	"database/sql/driver"
+	"fmt"
+	"net"
+)
+
+// Error represents an error returned by PostgreSQL server
+// using PostgreSQL ErrorResponse protocol.
+//
+// https://www.postgresql.org/docs/current/static/protocol-message-formats.html
+type Error struct {
+	m map[byte]string
+}
+
+// Field returns a string value associated with an error field.
+//
+// https://www.postgresql.org/docs/current/static/protocol-error-fields.html
+func (err Error) Field(k byte) string {
+	return err.m[k]
+}
+
+// IntegrityViolation reports whether the error is a part of
+// Integrity Constraint Violation class of errors.
+//
+// https://www.postgresql.org/docs/current/static/errcodes-appendix.html
+func (err Error) IntegrityViolation() bool {
+	switch err.Field('C') {
+	case "23000", "23001", "23502", "23503", "23505", "23514", "23P01":
+		return true
+	default:
+		return false
+	}
+}
+
+// StatementTimeout reports whether the error is a statement timeout error.
+func (err Error) StatementTimeout() bool {
+	return err.Field('C') == "57014"
+}
+
+func (err Error) Error() string {
+	return fmt.Sprintf("%s: %s (SQLSTATE=%s)",
+		err.Field('S'), err.Field('M'), err.Field('C'))
+}
+
+func isBadConn(err error, allowTimeout bool) bool {
+	switch err {
+	case nil:
+		return false
+	case driver.ErrBadConn:
+		return true
+	}
+
+	if err, ok := err.(Error); ok {
+		switch err.Field('V') {
+		case "FATAL", "PANIC":
+			return true
+		}
+		switch err.Field('C') {
+		case "25P02", // current transaction is aborted
+			"57014": // canceling statement due to user request
+			return true
+		}
+		return false
+	}
+
+	if allowTimeout {
+		if err, ok := err.(net.Error); ok && err.Timeout() {
+			return !err.Temporary()
+		}
+	}
+
+	return true
+}