On HP aCC, this protected copy constructor prevents throwing boost::exception. On all other platforms, the same effect is achieved by the pure virtual

Helper function for aligned dimension */

return the centroids associated with subvector m

For given dim and ex_bits, use random vectors to get the const rescale factor

Lock wrapper. get_data() reads vectors[id] (std::vector) which the main repo's * custom Vector serves lock-free via a split-push_back back-door t

idx of a slot in the whole _data. */

PG 19 在 add_reloption_kind 自定义 KIND 上跳过严格 INT 校验, "parallel_workers=1.1" * 等浮点字面量被 silent 接受 (原样写入 pg_class.reloptions)。在 build_reloptions * 之前先遍历原始

VecBufferManager methods */