On 2020-Aug-25, Ranier Vilela wrote: > 1. Even heap_get_root_tuples at line 1347, be called. > Does it fill all roots_offsets?
Yes -- read the comments there. > 2. hscan->rs_cbuf is constant? > if (hscan->rs_cblock != root_blkno) It is the buffer that contains the given block. Those two things move in unison. See heapgettup and heapgettup_pagemode. -- Álvaro Herrera https://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
