summaryrefslogtreecommitdiffstats
path: root/contrib/pgstattuple/expected/pgstattuple.out
diff options
context:
space:
mode:
Diffstat (limited to 'contrib/pgstattuple/expected/pgstattuple.out')
-rw-r--r--contrib/pgstattuple/expected/pgstattuple.out277
1 files changed, 277 insertions, 0 deletions
diff --git a/contrib/pgstattuple/expected/pgstattuple.out b/contrib/pgstattuple/expected/pgstattuple.out
new file mode 100644
index 0000000..e4ac86f
--- /dev/null
+++ b/contrib/pgstattuple/expected/pgstattuple.out
@@ -0,0 +1,277 @@
+CREATE EXTENSION pgstattuple;
+--
+-- It's difficult to come up with platform-independent test cases for
+-- the pgstattuple functions, but the results for empty tables and
+-- indexes should be that.
+--
+create table test (a int primary key, b int[]);
+select * from pgstattuple('test');
+ table_len | tuple_count | tuple_len | tuple_percent | dead_tuple_count | dead_tuple_len | dead_tuple_percent | free_space | free_percent
+-----------+-------------+-----------+---------------+------------------+----------------+--------------------+------------+--------------
+ 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0
+(1 row)
+
+select * from pgstattuple('test'::text);
+ table_len | tuple_count | tuple_len | tuple_percent | dead_tuple_count | dead_tuple_len | dead_tuple_percent | free_space | free_percent
+-----------+-------------+-----------+---------------+------------------+----------------+--------------------+------------+--------------
+ 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0
+(1 row)
+
+select * from pgstattuple('test'::name);
+ table_len | tuple_count | tuple_len | tuple_percent | dead_tuple_count | dead_tuple_len | dead_tuple_percent | free_space | free_percent
+-----------+-------------+-----------+---------------+------------------+----------------+--------------------+------------+--------------
+ 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0
+(1 row)
+
+select * from pgstattuple('test'::regclass);
+ table_len | tuple_count | tuple_len | tuple_percent | dead_tuple_count | dead_tuple_len | dead_tuple_percent | free_space | free_percent
+-----------+-------------+-----------+---------------+------------------+----------------+--------------------+------------+--------------
+ 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0
+(1 row)
+
+select pgstattuple(oid) from pg_class where relname = 'test';
+ pgstattuple
+---------------------
+ (0,0,0,0,0,0,0,0,0)
+(1 row)
+
+select pgstattuple(relname) from pg_class where relname = 'test';
+ pgstattuple
+---------------------
+ (0,0,0,0,0,0,0,0,0)
+(1 row)
+
+select version, tree_level,
+ index_size / current_setting('block_size')::int as index_size,
+ root_block_no, internal_pages, leaf_pages, empty_pages, deleted_pages,
+ avg_leaf_density, leaf_fragmentation
+ from pgstatindex('test_pkey');
+ version | tree_level | index_size | root_block_no | internal_pages | leaf_pages | empty_pages | deleted_pages | avg_leaf_density | leaf_fragmentation
+---------+------------+------------+---------------+----------------+------------+-------------+---------------+------------------+--------------------
+ 4 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | NaN | NaN
+(1 row)
+
+select version, tree_level,
+ index_size / current_setting('block_size')::int as index_size,
+ root_block_no, internal_pages, leaf_pages, empty_pages, deleted_pages,
+ avg_leaf_density, leaf_fragmentation
+ from pgstatindex('test_pkey'::text);
+ version | tree_level | index_size | root_block_no | internal_pages | leaf_pages | empty_pages | deleted_pages | avg_leaf_density | leaf_fragmentation
+---------+------------+------------+---------------+----------------+------------+-------------+---------------+------------------+--------------------
+ 4 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | NaN | NaN
+(1 row)
+
+select version, tree_level,
+ index_size / current_setting('block_size')::int as index_size,
+ root_block_no, internal_pages, leaf_pages, empty_pages, deleted_pages,
+ avg_leaf_density, leaf_fragmentation
+ from pgstatindex('test_pkey'::name);
+ version | tree_level | index_size | root_block_no | internal_pages | leaf_pages | empty_pages | deleted_pages | avg_leaf_density | leaf_fragmentation
+---------+------------+------------+---------------+----------------+------------+-------------+---------------+------------------+--------------------
+ 4 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | NaN | NaN
+(1 row)
+
+select version, tree_level,
+ index_size / current_setting('block_size')::int as index_size,
+ root_block_no, internal_pages, leaf_pages, empty_pages, deleted_pages,
+ avg_leaf_density, leaf_fragmentation
+ from pgstatindex('test_pkey'::regclass);
+ version | tree_level | index_size | root_block_no | internal_pages | leaf_pages | empty_pages | deleted_pages | avg_leaf_density | leaf_fragmentation
+---------+------------+------------+---------------+----------------+------------+-------------+---------------+------------------+--------------------
+ 4 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | NaN | NaN
+(1 row)
+
+select pg_relpages('test');
+ pg_relpages
+-------------
+ 0
+(1 row)
+
+select pg_relpages('test_pkey');
+ pg_relpages
+-------------
+ 1
+(1 row)
+
+select pg_relpages('test_pkey'::text);
+ pg_relpages
+-------------
+ 1
+(1 row)
+
+select pg_relpages('test_pkey'::name);
+ pg_relpages
+-------------
+ 1
+(1 row)
+
+select pg_relpages('test_pkey'::regclass);
+ pg_relpages
+-------------
+ 1
+(1 row)
+
+select pg_relpages(oid) from pg_class where relname = 'test_pkey';
+ pg_relpages
+-------------
+ 1
+(1 row)
+
+select pg_relpages(relname) from pg_class where relname = 'test_pkey';
+ pg_relpages
+-------------
+ 1
+(1 row)
+
+create index test_ginidx on test using gin (b);
+select * from pgstatginindex('test_ginidx');
+ version | pending_pages | pending_tuples
+---------+---------------+----------------
+ 2 | 0 | 0
+(1 row)
+
+create index test_hashidx on test using hash (b);
+select * from pgstathashindex('test_hashidx');
+ version | bucket_pages | overflow_pages | bitmap_pages | unused_pages | live_items | dead_items | free_percent
+---------+--------------+----------------+--------------+--------------+------------+------------+--------------
+ 4 | 4 | 0 | 1 | 0 | 0 | 0 | 100
+(1 row)
+
+-- these should error with the wrong type
+select pgstatginindex('test_pkey');
+ERROR: relation "test_pkey" is not a GIN index
+select pgstathashindex('test_pkey');
+ERROR: relation "test_pkey" is not a hash index
+select pgstatindex('test_ginidx');
+ERROR: relation "test_ginidx" is not a btree index
+select pgstathashindex('test_ginidx');
+ERROR: relation "test_ginidx" is not a hash index
+select pgstatindex('test_hashidx');
+ERROR: relation "test_hashidx" is not a btree index
+select pgstatginindex('test_hashidx');
+ERROR: relation "test_hashidx" is not a GIN index
+-- check that using any of these functions with unsupported relations will fail
+create table test_partitioned (a int) partition by range (a);
+create index test_partitioned_index on test_partitioned(a);
+-- these should all fail
+select pgstattuple('test_partitioned');
+ERROR: cannot get tuple-level statistics for relation "test_partitioned"
+DETAIL: This operation is not supported for partitioned tables.
+select pgstattuple('test_partitioned_index');
+ERROR: cannot get tuple-level statistics for relation "test_partitioned_index"
+DETAIL: This operation is not supported for partitioned indexes.
+select pgstattuple_approx('test_partitioned');
+ERROR: relation "test_partitioned" is of wrong relation kind
+DETAIL: This operation is not supported for partitioned tables.
+select pg_relpages('test_partitioned');
+ERROR: cannot get page count of relation "test_partitioned"
+DETAIL: This operation is not supported for partitioned tables.
+select pgstatindex('test_partitioned');
+ERROR: relation "test_partitioned" is not a btree index
+select pgstatginindex('test_partitioned');
+ERROR: relation "test_partitioned" is not a GIN index
+select pgstathashindex('test_partitioned');
+ERROR: "test_partitioned" is not an index
+create view test_view as select 1;
+-- these should all fail
+select pgstattuple('test_view');
+ERROR: cannot get tuple-level statistics for relation "test_view"
+DETAIL: This operation is not supported for views.
+select pgstattuple_approx('test_view');
+ERROR: relation "test_view" is of wrong relation kind
+DETAIL: This operation is not supported for views.
+select pg_relpages('test_view');
+ERROR: cannot get page count of relation "test_view"
+DETAIL: This operation is not supported for views.
+select pgstatindex('test_view');
+ERROR: relation "test_view" is not a btree index
+select pgstatginindex('test_view');
+ERROR: relation "test_view" is not a GIN index
+select pgstathashindex('test_view');
+ERROR: "test_view" is not an index
+create foreign data wrapper dummy;
+create server dummy_server foreign data wrapper dummy;
+create foreign table test_foreign_table () server dummy_server;
+-- these should all fail
+select pgstattuple('test_foreign_table');
+ERROR: cannot get tuple-level statistics for relation "test_foreign_table"
+DETAIL: This operation is not supported for foreign tables.
+select pgstattuple_approx('test_foreign_table');
+ERROR: relation "test_foreign_table" is of wrong relation kind
+DETAIL: This operation is not supported for foreign tables.
+select pg_relpages('test_foreign_table');
+ERROR: cannot get page count of relation "test_foreign_table"
+DETAIL: This operation is not supported for foreign tables.
+select pgstatindex('test_foreign_table');
+ERROR: relation "test_foreign_table" is not a btree index
+select pgstatginindex('test_foreign_table');
+ERROR: relation "test_foreign_table" is not a GIN index
+select pgstathashindex('test_foreign_table');
+ERROR: "test_foreign_table" is not an index
+-- a partition of a partitioned table should work though
+create table test_partition partition of test_partitioned for values from (1) to (100);
+select pgstattuple('test_partition');
+ pgstattuple
+---------------------
+ (0,0,0,0,0,0,0,0,0)
+(1 row)
+
+select pgstattuple_approx('test_partition');
+ pgstattuple_approx
+-----------------------
+ (0,0,0,0,0,0,0,0,0,0)
+(1 row)
+
+select pg_relpages('test_partition');
+ pg_relpages
+-------------
+ 0
+(1 row)
+
+-- toast tables should work
+select pgstattuple((select reltoastrelid from pg_class where relname = 'test'));
+ pgstattuple
+---------------------
+ (0,0,0,0,0,0,0,0,0)
+(1 row)
+
+select pgstattuple_approx((select reltoastrelid from pg_class where relname = 'test'));
+ pgstattuple_approx
+-----------------------
+ (0,0,0,0,0,0,0,0,0,0)
+(1 row)
+
+select pg_relpages((select reltoastrelid from pg_class where relname = 'test'));
+ pg_relpages
+-------------
+ 0
+(1 row)
+
+-- not for the index calls though, of course
+select pgstatindex('test_partition');
+ERROR: relation "test_partition" is not a btree index
+select pgstatginindex('test_partition');
+ERROR: relation "test_partition" is not a GIN index
+select pgstathashindex('test_partition');
+ERROR: "test_partition" is not an index
+-- an actual index of a partitioned table should work though
+create index test_partition_idx on test_partition(a);
+create index test_partition_hash_idx on test_partition using hash (a);
+-- these should work
+select pgstatindex('test_partition_idx');
+ pgstatindex
+------------------------------
+ (4,0,8192,0,0,0,0,0,NaN,NaN)
+(1 row)
+
+select pgstathashindex('test_partition_hash_idx');
+ pgstathashindex
+---------------------
+ (4,8,0,1,0,0,0,100)
+(1 row)
+
+drop table test_partitioned;
+drop view test_view;
+drop foreign table test_foreign_table;
+drop server dummy_server;
+drop foreign data wrapper dummy;