things in order I'm attaching the previous patch as well.
Patches look good, but I have some notices:
1 step1 Why do you need TabStatHashEntry at all? TabStatHashEntry.t_id is never
used for read, so entry for hash could be just a pointer to PgStat_TableStatus.
2 step1 In pgstat_report_stat() you remove one by one entries from hash and
remove them all. Isn't it better to hash_destroy/hash_create or even let hash
lives in separate memory context and just resets it?
3 step1 Again, pgstat_report_stat(), all-zero entries aren't deleted from hash
although they will be free from point of view of pgStatTabList.
4 step 2. The same as 1) about SeenRelsEntry->rel_id but it even isn't
Teodor Sigaev E-mail: teo...@sigaev.ru
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