pgsql: Clarify description of pg_stat_statements columns

Clarify description of pg_stat_statements columns Reported-By: Peter Eisentraut Backpatch-through: 14 Discussion: https://postgr.es/m/[email protected] Branch -- master Details --- https://git.postgresql.org/pg/commitdiff/b4deefc39b933b9808645667117f2

pgsql: Clarify description of pg_stat_statements columns

Clarify description of pg_stat_statements columns Reported-By: Peter Eisentraut Backpatch-through: 14 Discussion: https://postgr.es/m/[email protected] Branch -- REL_14_STABLE Details --- https://git.postgresql.org/pg/commitdiff/3b57d5af7435d0d21bdec3