Function createStructSchema

test/include/arrow_test_utils.h:80–104

Helper to create a struct schema with multiple fields

// Helper to create a struct schema with multiple fields
inline void createStructSchema(ArrowSchema* schema, int n_fields) {
    schema->format = "+s"; // struct
    schema->name = nullptr;
    schema->metadata = nullptr;
    schema->flags = 0;
    schema->n_children = n_fields;
    schema->children = static_cast<ArrowSchema**>(malloc(sizeof(ArrowSchema*) * n_fields));
    for (int i = 0; i < n_fields; i++) {
        schema->children[i] = static_cast<ArrowSchema*>(malloc(sizeof(ArrowSchema)));
    }
    schema->dictionary = nullptr;
    schema->release = [](ArrowSchema* s) {
        if (s->children) {
            for (int64_t i = 0; i < s->n_children; i++) {
                if (s->children[i]->release) {
                    s->children[i]->release(s->children[i]);
                }
                free(s->children[i]);
            }
            free(s->children);
        }
        s->release = nullptr;
    };
    schema->private_data = nullptr;
}

// Helper to create an int32 array from vector
inline void createInt32Array(ArrowArray* array, const std::vector<int32_t>& data) {