LOAD 'plantuner'; SHOW plantuner.forbid_index; plantuner.forbid_index ------------------------ (1 row) CREATE TABLE wow (i int, j int); CREATE INDEX i_idx ON wow (i); CREATE INDEX j_idx ON wow (j); SET enable_seqscan=off; SELECT * FROM wow; i | j ---+--- (0 rows) SET plantuner.forbid_index="i_idx, j_idx"; SELECT * FROM wow; i | j ---+--- (0 rows) SHOW plantuner.forbid_index; plantuner.forbid_index ---------------------------- public.i_idx, public.j_idx (1 row) SET plantuner.forbid_index="i_idx, nonexistent, public.j_idx, wow"; WARNING: 'nonexistent' does not exist WARNING: 'wow' is not an index SHOW plantuner.forbid_index; plantuner.forbid_index ---------------------------- public.i_idx, public.j_idx (1 row)