Function applyRequestModifiers

backend/request_modifier.go:21–27

applyRequestModifiers applies request modifiers to a query

(query string, requestModifiers []RequestModifier)

	replaceMariaDBCollation,
	exposeReplicaFilePosition,
}

// exposeReplicaFilePosition restores file/position columns that the selected
// GMS row executor hardcodes for GTID-only replication.
func exposeReplicaFilePosition(query string, modifiers *[]ResultModifier) string {
	if modifiers == nil || !isShowReplicaStatus(query) {
		return query
	}
	*modifiers = append(*modifiers, setReplicaFilePosition)
	return query