100 lines
4.2 KiB
SQL
100 lines
4.2 KiB
SQL
--
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-- Test index AM property-reporting functions
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--
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select prop,
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pg_indexam_has_property(a.oid, prop) as "AM",
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pg_index_has_property('onek_hundred'::regclass, prop) as "Index",
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pg_index_column_has_property('onek_hundred'::regclass, 1, prop) as "Column"
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from pg_am a,
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unnest(array['asc', 'desc', 'nulls_first', 'nulls_last',
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'orderable', 'distance_orderable', 'returnable',
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'search_array', 'search_nulls',
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'clusterable', 'index_scan', 'bitmap_scan',
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'backward_scan',
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'can_order', 'can_unique', 'can_multi_col',
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'can_exclude', 'can_include',
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'bogus']::text[])
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with ordinality as u(prop,ord)
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where a.amname = 'btree'
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order by ord;
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select prop,
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pg_indexam_has_property(a.oid, prop) as "AM",
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pg_index_has_property('gcircleind'::regclass, prop) as "Index",
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pg_index_column_has_property('gcircleind'::regclass, 1, prop) as "Column"
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from pg_am a,
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unnest(array['asc', 'desc', 'nulls_first', 'nulls_last',
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'orderable', 'distance_orderable', 'returnable',
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'search_array', 'search_nulls',
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'clusterable', 'index_scan', 'bitmap_scan',
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'backward_scan',
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'can_order', 'can_unique', 'can_multi_col',
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'can_exclude', 'can_include',
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'bogus']::text[])
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with ordinality as u(prop,ord)
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where a.amname = 'gist'
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order by ord;
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select prop,
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pg_index_column_has_property('onek_hundred'::regclass, 1, prop) as btree,
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pg_index_column_has_property('hash_i4_index'::regclass, 1, prop) as hash,
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pg_index_column_has_property('gcircleind'::regclass, 1, prop) as gist,
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pg_index_column_has_property('sp_radix_ind'::regclass, 1, prop) as spgist_radix,
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pg_index_column_has_property('sp_quad_ind'::regclass, 1, prop) as spgist_quad,
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pg_index_column_has_property('botharrayidx'::regclass, 1, prop) as gin,
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pg_index_column_has_property('brinidx'::regclass, 1, prop) as brin
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from unnest(array['asc', 'desc', 'nulls_first', 'nulls_last',
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'orderable', 'distance_orderable', 'returnable',
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'search_array', 'search_nulls',
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'bogus']::text[])
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with ordinality as u(prop,ord)
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order by ord;
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select prop,
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pg_index_has_property('onek_hundred'::regclass, prop) as btree,
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pg_index_has_property('hash_i4_index'::regclass, prop) as hash,
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pg_index_has_property('gcircleind'::regclass, prop) as gist,
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pg_index_has_property('sp_radix_ind'::regclass, prop) as spgist,
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pg_index_has_property('botharrayidx'::regclass, prop) as gin,
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pg_index_has_property('brinidx'::regclass, prop) as brin
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from unnest(array['clusterable', 'index_scan', 'bitmap_scan',
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'backward_scan',
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'bogus']::text[])
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with ordinality as u(prop,ord)
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order by ord;
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select amname, prop, pg_indexam_has_property(a.oid, prop) as p
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from pg_am a,
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unnest(array['can_order', 'can_unique', 'can_multi_col',
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'can_exclude', 'can_include', 'bogus']::text[])
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with ordinality as u(prop,ord)
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where amtype = 'i'
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order by amname, ord;
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--
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-- additional checks for pg_index_column_has_property
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--
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CREATE TEMP TABLE foo (f1 int, f2 int, f3 int, f4 int);
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CREATE INDEX fooindex ON foo (f1 desc, f2 asc, f3 nulls first, f4 nulls last);
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select col, prop, pg_index_column_has_property(o, col, prop)
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from (values ('fooindex'::regclass)) v1(o),
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(values (1,'orderable'),(2,'asc'),(3,'desc'),
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(4,'nulls_first'),(5,'nulls_last'),
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(6, 'bogus')) v2(idx,prop),
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generate_series(1,4) col
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order by col, idx;
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CREATE INDEX foocover ON foo (f1) INCLUDE (f2,f3);
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select col, prop, pg_index_column_has_property(o, col, prop)
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from (values ('foocover'::regclass)) v1(o),
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(values (1,'orderable'),(2,'asc'),(3,'desc'),
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(4,'nulls_first'),(5,'nulls_last'),
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(6,'distance_orderable'),(7,'returnable'),
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(8, 'bogus')) v2(idx,prop),
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generate_series(1,3) col
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order by col, idx;
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