in cloud-spanner-r2dbc/src/main/java/com/google/cloud/spanner/r2dbc/v2/IterableBinder.java [35:42]
public void bind(
Statement.Builder builder, String name, Object value, SpannerType spannerType) {
if (spannerType == null) {
throw new BindingFailureException(
"When binding collections, Parameters.in(SpannerType.of(Type.array(...))) must be used.");
}
spannerType.bindIterable(builder.bind(name), (Iterable<?>) value);
}