Skip to content

Instantly share code, notes, and snippets.

CREATE UNLOGGED TABLE exclude_test(id integer primary key);
INSERT INTO exclude_test(id) SELECT generate_series(1,50000);
CREATE UNLOGGED TABLE exclude AS SELECT x AS item FROM generate_series(1,40000,4) x;
-- Horrific AND list, takes 80s to plan and execute here:
EXPLAIN ANALYZE SELECT id FROM exclude_test WHERE id <> 1 AND id <> 5 AND id <> 9 AND id <> 13 AND id <> 17 AND id <> 21 AND id <> 25 AND id <> 29 AND id <> 33 AND id <> 37 AND id <> 41 AND id <> 45 AND id <> 49 AND id <> 53 AND id <> 57 AND id <> 61 AND id <> 65 AND id <> 69 AND id <> 73 AND id <> 77 AND id <> 81 AND id <> 85 AND id <> 89 AND id <> 93 AND id <> 97 AND id <> 101 AND id <> 105 AND id <> 109 AND id <> 113 AND id <> 117 AND id <> 121 AND id <> 125 AND id <> 129 AND id <> 133 AND id <> 137 AND id <> 141 AND id <> 145 AND id <> 149 AND id <> 153 AND id <> 157 AND id <> 161 AND id <> 165 AND id <> 169 AND id <> 173 AND id <> 177 AND id <> 181 AND id <> 185 AND id <> 189 AND id <> 193 AND id <> 197 AND id <> 201 AND id <> 205 AND id <>