class DuckDB::InstanceCache

static VALUE duckdb_instance_cache_initialize(VALUE self) {
    rubyDuckDBInstanceCache *ctx;

    TypedData_Get_Struct(self, rubyDuckDBInstanceCache, &instance_cache_data_type, ctx);

    ctx->instance_cache = duckdb_create_instance_cache();
    if (ctx->instance_cache == NULL) {
        rb_raise(eDuckDBError, "Failed to create instance cache");
    }

    return self;
}

static VALUE duckdb_instance_cache_destroy(VALUE self) {
    rubyDuckDBInstanceCache *ctx;
    TypedData_Get_Struct(self, rubyDuckDBInstanceCache, &instance_cache_data_type, ctx);

    if (ctx->instance_cache) {
        duckdb_destroy_instance_cache(&(ctx->instance_cache));
        ctx->instance_cache = NULL;
    }

    return Qnil;
}