On 2019/03/14 16:46, Amit Langote wrote: > On 2019/03/14 16:32, Kyotaro HORIGUCHI wrote: >> At Thu, 14 Mar 2019 16:13:23 +0900, Amit Langote >> <langote_amit...@lab.ntt.co.jp> wrote in >> <3ad792cd-0805-858e-595c-c09e9d1ce...@lab.ntt.co.jp> >>> Hi, >>> >>> I'm curious why DestroyPartitionDirectory doesn't do >>> hash_destroy(pdir->pdir_hash)? >> >> Maybe it is trashed involved in destruction of es_query_cxt or >> planner_cxt? > > Hmm, the executor's partition directory (its hash table) is indeed > allocated under es_query_cxt. But, the planner's partition directory is > not allocated under planner_cxt, it appears to be using memory under > MessageContext.
I forgot to mention that it would be wrong to put it under planner_cxt, as it's the context for planning a given subquery, whereas a partition directory is maintained throughout the whole planning. Thanks, Amit
