On Wed, Oct 11, 2017 at 5:34 PM, <n...@makarevitch.org> wrote: > The following documentation comment has been logged on the website: > > Page: https://www.postgresql.org/docs/10/static/sql-insert.html > Description: > > Hi, > > In the "ON CONFLICT Clause" section of the official INSERT > documentation ( > https://www.postgresql.org/docs/10/static/sql-insert.html#sql-on-conflict > ) > you can read: > "index_column_name > The name of a table_name column." > This seems misleading to me as multiple columns may be named there. The > second sentence of this section's second paragraph is clear ("When > performing inference, it consists of one or more index_column_name") > but a > reader jumping to the detail may miss this information. > > Suggestion: s/The name of a table_name column/The name of at least one > column/ >
But index_column_name *is*the name of only a single column. The syntax is (irrelevant parts omitted): ( index_column_name [, ...] ) which means "opening parenthesis, index_column_name followed by zero or more index_column_name, and a closing parenthesis". The documentation seems correct to me. .m
