Just looking at the v5 patch, it seems not to handle 0 column tables correctly.
For example:
# create table t();
# insert into t default values;
# insert into t default values;
$ pg_dump --table t --inserts --insert-multi=100 postgres > dump.sql
# \i dump.sql
[...]
INSERT 0 1
psql:dump.sql:35: ERROR: syntax error at or near ")"
LINE 1: );
^
I'm not aware of a valid way to insert multiple 0 column rows in a
single INSERT statement, so not sure how you're going to handle that
case.
--
David Rowley http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services
