1 plantuner module provides plantuner.forbid_index GUC which contains comma-separated
2 list of indexes forbidden to use in query.
4 USAGE (see sql/plantuner.sql:
6 % SET plantuner.forbid_index="i_idx, j_idx";
7 % SET enable_seqscan=off;
8 % explain SELECT * FROM wow;
10 --------------------------------------------------------------------------
11 Seq Scan on wow (cost=10000000000.00..10000000031.40 rows=2140 width=8)
14 It's recommended to load library by shared_preload_libraries option