Обсуждение: pgsql: Doc: warn against using parallel restore with--load-via-partiti

Doc: warn against using parallel restore with --load-via-partition-root.

This isn't terribly safe, and making it so doesn't seem like a small
project, so for the moment just warn against it.

Discussion: https://postgr.es/m/13624.1535486019@sss.pgh.pa.us

Branch
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master

Details
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https://git.postgresql.org/pg/commitdiff/73a60051379b35a0bec399edfe369c59e50cc775

Modified Files
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doc/src/sgml/ref/pg_dump.sgml    | 29 +++++++++++++++++++++--------
doc/src/sgml/ref/pg_dumpall.sgml | 23 +++++++++++++++--------
2 files changed, 36 insertions(+), 16 deletions(-)