Обсуждение: pgsql: Mention that toplevel is part of pg_stat_statements key.

Mention that toplevel is part of pg_stat_statements key.

While at it, also document that toplevel is always true if
pg_stat_statements.track is set to top.

Author: Julien Rouhaud
Reported-By: Fujii Masao
Discussion: https://postgr.es/m/a878d5ea-64a7-485e-5d2f-177618ebc52d@oss.nttdata.com

Branch
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master

Details
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https://git.postgresql.org/pg/commitdiff/7531fcb1fcf5b3ea2f49959a3f095c083e3fc4c4

Modified Files
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doc/src/sgml/pgstatstatements.sgml | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)