1-- 2-- Test index AM property-reporting functions 3-- 4 5select prop, 6 pg_indexam_has_property(a.oid, prop) as "AM", 7 pg_index_has_property('onek_hundred'::regclass, prop) as "Index", 8 pg_index_column_has_property('onek_hundred'::regclass, 1, prop) as "Column" 9 from pg_am a, 10 unnest(array['asc', 'desc', 'nulls_first', 'nulls_last', 11 'orderable', 'distance_orderable', 'returnable', 12 'search_array', 'search_nulls', 13 'clusterable', 'index_scan', 'bitmap_scan', 14 'backward_scan', 15 'can_order', 'can_unique', 'can_multi_col', 16 'can_exclude', 17 'bogus']::text[]) 18 with ordinality as u(prop,ord) 19 where a.amname = 'btree' 20 order by ord; 21 22select prop, 23 pg_indexam_has_property(a.oid, prop) as "AM", 24 pg_index_has_property('gcircleind'::regclass, prop) as "Index", 25 pg_index_column_has_property('gcircleind'::regclass, 1, prop) as "Column" 26 from pg_am a, 27 unnest(array['asc', 'desc', 'nulls_first', 'nulls_last', 28 'orderable', 'distance_orderable', 'returnable', 29 'search_array', 'search_nulls', 30 'clusterable', 'index_scan', 'bitmap_scan', 31 'backward_scan', 32 'can_order', 'can_unique', 'can_multi_col', 33 'can_exclude', 34 'bogus']::text[]) 35 with ordinality as u(prop,ord) 36 where a.amname = 'gist' 37 order by ord; 38 39select prop, 40 pg_index_column_has_property('onek_hundred'::regclass, 1, prop) as btree, 41 pg_index_column_has_property('hash_i4_index'::regclass, 1, prop) as hash, 42 pg_index_column_has_property('gcircleind'::regclass, 1, prop) as gist, 43 pg_index_column_has_property('sp_radix_ind'::regclass, 1, prop) as spgist, 44 pg_index_column_has_property('botharrayidx'::regclass, 1, prop) as gin, 45 pg_index_column_has_property('brinidx'::regclass, 1, prop) as brin 46 from unnest(array['asc', 'desc', 'nulls_first', 'nulls_last', 47 'orderable', 'distance_orderable', 'returnable', 48 'search_array', 'search_nulls', 49 'bogus']::text[]) 50 with ordinality as u(prop,ord) 51 order by ord; 52 53select prop, 54 pg_index_has_property('onek_hundred'::regclass, prop) as btree, 55 pg_index_has_property('hash_i4_index'::regclass, prop) as hash, 56 pg_index_has_property('gcircleind'::regclass, prop) as gist, 57 pg_index_has_property('sp_radix_ind'::regclass, prop) as spgist, 58 pg_index_has_property('botharrayidx'::regclass, prop) as gin, 59 pg_index_has_property('brinidx'::regclass, prop) as brin 60 from unnest(array['clusterable', 'index_scan', 'bitmap_scan', 61 'backward_scan', 62 'bogus']::text[]) 63 with ordinality as u(prop,ord) 64 order by ord; 65 66select amname, prop, pg_indexam_has_property(a.oid, prop) as p 67 from pg_am a, 68 unnest(array['can_order', 'can_unique', 'can_multi_col', 69 'can_exclude', 'bogus']::text[]) 70 with ordinality as u(prop,ord) 71 where amtype = 'i' 72 order by amname, ord; 73 74-- 75-- additional checks for pg_index_column_has_property 76-- 77CREATE TEMP TABLE foo (f1 int, f2 int, f3 int, f4 int); 78 79CREATE INDEX fooindex ON foo (f1 desc, f2 asc, f3 nulls first, f4 nulls last); 80 81select col, prop, pg_index_column_has_property(o, col, prop) 82 from (values ('fooindex'::regclass)) v1(o), 83 (values (1,'orderable'),(2,'asc'),(3,'desc'), 84 (4,'nulls_first'),(5,'nulls_last'), 85 (6, 'bogus')) v2(idx,prop), 86 generate_series(1,4) col 87 order by col, idx; 88