(1 row)
DROP TABLE test1;
+-- check that using any of these functions with a partitioned table would fail
+create table test_partitioned (a int) partition by range (a);
+select get_raw_page('test_partitioned', 0); -- error about partitioned table
+ERROR: cannot get raw page from partitioned table "test_partitioned"
+-- a regular table which is a member of a partition set should work though
+create table test_part1 partition of test_partitioned for values from ( 1 ) to (100);
+select get_raw_page('test_part1', 0); -- get farther and error about empty table
+ERROR: block number 0 is out of range for relation "test_part1"
+drop table test_partitioned;
(errcode(ERRCODE_WRONG_OBJECT_TYPE),
errmsg("cannot get raw page from foreign table \"%s\"",
RelationGetRelationName(rel))));
+ if (rel->rd_rel->relkind == RELKIND_PARTITIONED_TABLE)
+ ereport(ERROR,
+ (errcode(ERRCODE_WRONG_OBJECT_TYPE),
+ errmsg("cannot get raw page from partitioned table \"%s\"",
+ RelationGetRelationName(rel))));
/*
* Reject attempts to read non-local temporary relations; we would be
SELECT * FROM fsm_page_contents(get_raw_page('test1', 'fsm', 0));
DROP TABLE test1;
+
+-- check that using any of these functions with a partitioned table would fail
+create table test_partitioned (a int) partition by range (a);
+select get_raw_page('test_partitioned', 0); -- error about partitioned table
+
+-- a regular table which is a member of a partition set should work though
+create table test_part1 partition of test_partitioned for values from ( 1 ) to (100);
+select get_raw_page('test_part1', 0); -- get farther and error about empty table
+drop table test_partitioned;
--- /dev/null
+# Generated subdirectories
+/log/
+/results/
+/tmp_check/
DATA = pg_visibility--1.1.sql pg_visibility--1.0--1.1.sql
PGFILEDESC = "pg_visibility - page visibility information"
+REGRESS = pg_visibility
+
ifdef USE_PGXS
PG_CONFIG = pg_config
PGXS := $(shell $(PG_CONFIG) --pgxs)
--- /dev/null
+CREATE EXTENSION pg_visibility;
+--
+-- check that using the module's functions with unsupported relations will fail
+--
+-- partitioned tables (the parent ones) don't have visibility maps
+create table test_partitioned (a int) partition by list (a);
+-- these should all fail
+select pg_visibility('test_partitioned', 0);
+ERROR: "test_partitioned" is not a table, materialized view, or TOAST table
+select pg_visibility_map('test_partitioned');
+ERROR: "test_partitioned" is not a table, materialized view, or TOAST table
+select pg_visibility_map_summary('test_partitioned');
+ERROR: "test_partitioned" is not a table, materialized view, or TOAST table
+select pg_check_frozen('test_partitioned');
+ERROR: "test_partitioned" is not a table, materialized view, or TOAST table
+select pg_truncate_visibility_map('test_partitioned');
+ERROR: "test_partitioned" is not a table, materialized view, or TOAST table
+create table test_partition partition of test_partitioned for values in (1);
+create index test_index on test_partition (a);
+-- indexes do not, so these all fail
+select pg_visibility('test_index', 0);
+ERROR: "test_index" is not a table, materialized view, or TOAST table
+select pg_visibility_map('test_index');
+ERROR: "test_index" is not a table, materialized view, or TOAST table
+select pg_visibility_map_summary('test_index');
+ERROR: "test_index" is not a table, materialized view, or TOAST table
+select pg_check_frozen('test_index');
+ERROR: "test_index" is not a table, materialized view, or TOAST table
+select pg_truncate_visibility_map('test_index');
+ERROR: "test_index" is not a table, materialized view, or TOAST table
+create view test_view as select 1;
+-- views do not have VMs, so these all fail
+select pg_visibility('test_view', 0);
+ERROR: "test_view" is not a table, materialized view, or TOAST table
+select pg_visibility_map('test_view');
+ERROR: "test_view" is not a table, materialized view, or TOAST table
+select pg_visibility_map_summary('test_view');
+ERROR: "test_view" is not a table, materialized view, or TOAST table
+select pg_check_frozen('test_view');
+ERROR: "test_view" is not a table, materialized view, or TOAST table
+select pg_truncate_visibility_map('test_view');
+ERROR: "test_view" is not a table, materialized view, or TOAST table
+create sequence test_sequence;
+-- sequences do not have VMs, so these all fail
+select pg_visibility('test_sequence', 0);
+ERROR: "test_sequence" is not a table, materialized view, or TOAST table
+select pg_visibility_map('test_sequence');
+ERROR: "test_sequence" is not a table, materialized view, or TOAST table
+select pg_visibility_map_summary('test_sequence');
+ERROR: "test_sequence" is not a table, materialized view, or TOAST table
+select pg_check_frozen('test_sequence');
+ERROR: "test_sequence" is not a table, materialized view, or TOAST table
+select pg_truncate_visibility_map('test_sequence');
+ERROR: "test_sequence" is not a table, materialized view, or TOAST table
+create foreign data wrapper dummy;
+create server dummy_server foreign data wrapper dummy;
+create foreign table test_foreign_table () server dummy_server;
+-- foreign tables do not have VMs, so these all fail
+select pg_visibility('test_foreign_table', 0);
+ERROR: "test_foreign_table" is not a table, materialized view, or TOAST table
+select pg_visibility_map('test_foreign_table');
+ERROR: "test_foreign_table" is not a table, materialized view, or TOAST table
+select pg_visibility_map_summary('test_foreign_table');
+ERROR: "test_foreign_table" is not a table, materialized view, or TOAST table
+select pg_check_frozen('test_foreign_table');
+ERROR: "test_foreign_table" is not a table, materialized view, or TOAST table
+select pg_truncate_visibility_map('test_foreign_table');
+ERROR: "test_foreign_table" is not a table, materialized view, or TOAST table
+-- check some of the allowed relkinds
+create table regular_table (a int);
+insert into regular_table values (1), (2);
+vacuum regular_table;
+select count(*) > 0 from pg_visibility('regular_table');
+ ?column?
+----------
+ t
+(1 row)
+
+truncate regular_table;
+select count(*) > 0 from pg_visibility('regular_table');
+ ?column?
+----------
+ f
+(1 row)
+
+create materialized view matview_visibility_test as select * from regular_table;
+vacuum matview_visibility_test;
+select count(*) > 0 from pg_visibility('matview_visibility_test');
+ ?column?
+----------
+ f
+(1 row)
+
+insert into regular_table values (1), (2);
+refresh materialized view matview_visibility_test;
+select count(*) > 0 from pg_visibility('matview_visibility_test');
+ ?column?
+----------
+ t
+(1 row)
+
+-- regular tables which are part of a partition *do* have visibility maps
+insert into test_partition values (1);
+vacuum test_partition;
+select count(*) > 0 from pg_visibility('test_partition', 0);
+ ?column?
+----------
+ t
+(1 row)
+
+select count(*) > 0 from pg_visibility_map('test_partition');
+ ?column?
+----------
+ t
+(1 row)
+
+select count(*) > 0 from pg_visibility_map_summary('test_partition');
+ ?column?
+----------
+ t
+(1 row)
+
+select * from pg_check_frozen('test_partition'); -- hopefully none
+ t_ctid
+--------
+(0 rows)
+
+select pg_truncate_visibility_map('test_partition');
+ pg_truncate_visibility_map
+----------------------------
+
+(1 row)
+
+-- cleanup
+drop table test_partitioned;
+drop view test_view;
+drop sequence test_sequence;
+drop foreign table test_foreign_table;
+drop server dummy_server;
+drop foreign data wrapper dummy;
+drop materialized view matview_visibility_test;
+drop table regular_table;
static void record_corrupt_item(corrupt_items *items, ItemPointer tid);
static bool tuple_all_visible(HeapTuple tup, TransactionId OldestXmin,
Buffer buffer);
+static void check_relation_relkind(Relation rel);
/*
* Visibility map information for a single block of a relation.
rel = relation_open(relid, AccessShareLock);
+ /* Only some relkinds have a visibility map */
+ check_relation_relkind(rel);
+
if (blkno < 0 || blkno > MaxBlockNumber)
ereport(ERROR,
(errcode(ERRCODE_INVALID_PARAMETER_VALUE),
rel = relation_open(relid, AccessShareLock);
+ /* Only some relkinds have a visibility map */
+ check_relation_relkind(rel);
+
if (blkno < 0 || blkno > MaxBlockNumber)
ereport(ERROR,
(errcode(ERRCODE_INVALID_PARAMETER_VALUE),
funcctx = SRF_FIRSTCALL_INIT();
oldcontext = MemoryContextSwitchTo(funcctx->multi_call_memory_ctx);
funcctx->tuple_desc = pg_visibility_tupdesc(true, false);
+ /* collect_visibility_data will verify the relkind */
funcctx->user_fctx = collect_visibility_data(relid, false);
MemoryContextSwitchTo(oldcontext);
}
funcctx = SRF_FIRSTCALL_INIT();
oldcontext = MemoryContextSwitchTo(funcctx->multi_call_memory_ctx);
funcctx->tuple_desc = pg_visibility_tupdesc(true, true);
+ /* collect_visibility_data will verify the relkind */
funcctx->user_fctx = collect_visibility_data(relid, true);
MemoryContextSwitchTo(oldcontext);
}
bool nulls[2];
rel = relation_open(relid, AccessShareLock);
+
+ /* Only some relkinds have a visibility map */
+ check_relation_relkind(rel);
+
nblocks = RelationGetNumberOfBlocks(rel);
for (blkno = 0; blkno < nblocks; ++blkno)
funcctx = SRF_FIRSTCALL_INIT();
oldcontext = MemoryContextSwitchTo(funcctx->multi_call_memory_ctx);
+ /* collect_corrupt_items will verify the relkind */
funcctx->user_fctx = collect_corrupt_items(relid, false, true);
MemoryContextSwitchTo(oldcontext);
}
funcctx = SRF_FIRSTCALL_INIT();
oldcontext = MemoryContextSwitchTo(funcctx->multi_call_memory_ctx);
+ /* collect_corrupt_items will verify the relkind */
funcctx->user_fctx = collect_corrupt_items(relid, true, false);
MemoryContextSwitchTo(oldcontext);
}
rel = relation_open(relid, AccessExclusiveLock);
- if (rel->rd_rel->relkind != RELKIND_RELATION &&
- rel->rd_rel->relkind != RELKIND_MATVIEW &&
- rel->rd_rel->relkind != RELKIND_TOASTVALUE)
- ereport(ERROR,
- (errcode(ERRCODE_WRONG_OBJECT_TYPE),
- errmsg("\"%s\" is not a table, materialized view, or TOAST table",
- RelationGetRelationName(rel))));
+ /* Only some relkinds have a visibility map */
+ check_relation_relkind(rel);
RelationOpenSmgr(rel);
rel->rd_smgr->smgr_vm_nblocks = InvalidBlockNumber;
/*
* Collect visibility data about a relation.
+ *
+ * Checks relkind of relid and will throw an error if the relation does not
+ * have a VM.
*/
static vbits *
collect_visibility_data(Oid relid, bool include_pd)
rel = relation_open(relid, AccessShareLock);
+ /* Only some relkinds have a visibility map */
+ check_relation_relkind(rel);
+
nblocks = RelationGetNumberOfBlocks(rel);
info = palloc0(offsetof(vbits, bits) +nblocks);
info->next = 0;
*
* If all_frozen is passed as true, this will include all items which are
* on pages marked as all-frozen but which do not seem to in fact be frozen.
+ *
+ * Checks relkind of relid and will throw an error if the relation does not
+ * have a VM.
*/
static corrupt_items *
collect_corrupt_items(Oid relid, bool all_visible, bool all_frozen)
rel = relation_open(relid, AccessShareLock);
- if (rel->rd_rel->relkind != RELKIND_RELATION &&
- rel->rd_rel->relkind != RELKIND_MATVIEW &&
- rel->rd_rel->relkind != RELKIND_TOASTVALUE)
- ereport(ERROR,
- (errcode(ERRCODE_WRONG_OBJECT_TYPE),
- errmsg("\"%s\" is not a table, materialized view, or TOAST table",
- RelationGetRelationName(rel))));
+ /* Only some relkinds have a visibility map */
+ check_relation_relkind(rel);
nblocks = RelationGetNumberOfBlocks(rel);
return true;
}
+
+/*
+ * check_relation_relkind - convenience routine to check that relation
+ * is of the relkind supported by the callers
+ */
+static void
+check_relation_relkind(Relation rel)
+{
+ if (rel->rd_rel->relkind != RELKIND_RELATION &&
+ rel->rd_rel->relkind != RELKIND_MATVIEW &&
+ rel->rd_rel->relkind != RELKIND_TOASTVALUE)
+ ereport(ERROR,
+ (errcode(ERRCODE_WRONG_OBJECT_TYPE),
+ errmsg("\"%s\" is not a table, materialized view, or TOAST table",
+ RelationGetRelationName(rel))));
+}
--- /dev/null
+CREATE EXTENSION pg_visibility;
+
+--
+-- check that using the module's functions with unsupported relations will fail
+--
+
+-- partitioned tables (the parent ones) don't have visibility maps
+create table test_partitioned (a int) partition by list (a);
+-- these should all fail
+select pg_visibility('test_partitioned', 0);
+select pg_visibility_map('test_partitioned');
+select pg_visibility_map_summary('test_partitioned');
+select pg_check_frozen('test_partitioned');
+select pg_truncate_visibility_map('test_partitioned');
+
+create table test_partition partition of test_partitioned for values in (1);
+create index test_index on test_partition (a);
+-- indexes do not, so these all fail
+select pg_visibility('test_index', 0);
+select pg_visibility_map('test_index');
+select pg_visibility_map_summary('test_index');
+select pg_check_frozen('test_index');
+select pg_truncate_visibility_map('test_index');
+
+create view test_view as select 1;
+-- views do not have VMs, so these all fail
+select pg_visibility('test_view', 0);
+select pg_visibility_map('test_view');
+select pg_visibility_map_summary('test_view');
+select pg_check_frozen('test_view');
+select pg_truncate_visibility_map('test_view');
+
+create sequence test_sequence;
+-- sequences do not have VMs, so these all fail
+select pg_visibility('test_sequence', 0);
+select pg_visibility_map('test_sequence');
+select pg_visibility_map_summary('test_sequence');
+select pg_check_frozen('test_sequence');
+select pg_truncate_visibility_map('test_sequence');
+
+create foreign data wrapper dummy;
+create server dummy_server foreign data wrapper dummy;
+create foreign table test_foreign_table () server dummy_server;
+-- foreign tables do not have VMs, so these all fail
+select pg_visibility('test_foreign_table', 0);
+select pg_visibility_map('test_foreign_table');
+select pg_visibility_map_summary('test_foreign_table');
+select pg_check_frozen('test_foreign_table');
+select pg_truncate_visibility_map('test_foreign_table');
+
+-- check some of the allowed relkinds
+create table regular_table (a int);
+insert into regular_table values (1), (2);
+vacuum regular_table;
+select count(*) > 0 from pg_visibility('regular_table');
+truncate regular_table;
+select count(*) > 0 from pg_visibility('regular_table');
+
+create materialized view matview_visibility_test as select * from regular_table;
+vacuum matview_visibility_test;
+select count(*) > 0 from pg_visibility('matview_visibility_test');
+insert into regular_table values (1), (2);
+refresh materialized view matview_visibility_test;
+select count(*) > 0 from pg_visibility('matview_visibility_test');
+
+-- regular tables which are part of a partition *do* have visibility maps
+insert into test_partition values (1);
+vacuum test_partition;
+select count(*) > 0 from pg_visibility('test_partition', 0);
+select count(*) > 0 from pg_visibility_map('test_partition');
+select count(*) > 0 from pg_visibility_map_summary('test_partition');
+select * from pg_check_frozen('test_partition'); -- hopefully none
+select pg_truncate_visibility_map('test_partition');
+
+-- cleanup
+drop table test_partitioned;
+drop view test_view;
+drop sequence test_sequence;
+drop foreign table test_foreign_table;
+drop server dummy_server;
+drop foreign data wrapper dummy;
+drop materialized view matview_visibility_test;
+drop table regular_table;
2 | 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);
+-- these should all fail
+select pgstattuple('test_partitioned');
+ERROR: "test_partitioned" (partitioned table) is not supported
+select pgstattuple_approx('test_partitioned');
+ERROR: "test_partitioned" is not a table or materialized view
+select pg_relpages('test_partitioned');
+ERROR: "test_partitioned" is not a table, index, materialized view, sequence, or TOAST table
+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: "test_view" (view) is not supported
+select pgstattuple_approx('test_view');
+ERROR: "test_view" is not a table or materialized view
+select pg_relpages('test_view');
+ERROR: "test_view" is not a table, index, materialized view, sequence, or TOAST table
+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: "test_foreign_table" (foreign table) is not supported
+select pgstattuple_approx('test_foreign_table');
+ERROR: "test_foreign_table" is not a table or materialized view
+select pg_relpages('test_foreign_table');
+ERROR: "test_foreign_table" is not a table, index, materialized view, sequence, or TOAST table
+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)
+
+-- 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 partitiond 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);
+WARNING: hash indexes are not WAL-logged and their use is discouraged
+-- these should work
+select pgstatindex('test_partition_idx');
+ pgstatindex
+------------------------------
+ (2,0,8192,0,0,0,0,0,NaN,NaN)
+(1 row)
+
+select pgstathashindex('test_partition_hash_idx');
+ pgstathashindex
+---------------------
+ (2,8,0,1,0,0,0,100)
+(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;
static Datum pgstatindex_impl(Relation rel, FunctionCallInfo fcinfo);
static void GetHashPageStats(Page page, HashIndexStat *stats);
-
+static void check_relation_relkind(Relation rel);
/* ------------------------------------------------------
* pgstatindex()
BufferAccessStrategy bstrategy = GetAccessStrategy(BAS_BULKREAD);
if (!IS_INDEX(rel) || !IS_BTREE(rel))
- elog(ERROR, "relation \"%s\" is not a btree index",
- RelationGetRelationName(rel));
+ ereport(ERROR,
+ (errcode(ERRCODE_WRONG_OBJECT_TYPE),
+ errmsg("relation \"%s\" is not a btree index",
+ RelationGetRelationName(rel))));
/*
* Reject attempts to read non-local temporary relations; we would be
relrv = makeRangeVarFromNameList(textToQualifiedNameList(relname));
rel = relation_openrv(relrv, AccessShareLock);
+ /* only some relkinds have storage */
+ check_relation_relkind(rel);
+
/* note: this will work OK on non-local temp tables */
relpages = RelationGetNumberOfBlocks(rel);
relrv = makeRangeVarFromNameList(textToQualifiedNameList(relname));
rel = relation_openrv(relrv, AccessShareLock);
+ /* only some relkinds have storage */
+ check_relation_relkind(rel);
+
/* note: this will work OK on non-local temp tables */
relpages = RelationGetNumberOfBlocks(rel);
rel = relation_open(relid, AccessShareLock);
+ /* only some relkinds have storage */
+ check_relation_relkind(rel);
+
/* note: this will work OK on non-local temp tables */
relpages = RelationGetNumberOfBlocks(rel);
rel = relation_open(relid, AccessShareLock);
+ /* only some relkinds have storage */
+ check_relation_relkind(rel);
+
/* note: this will work OK on non-local temp tables */
relpages = RelationGetNumberOfBlocks(rel);
rel = relation_open(relid, AccessShareLock);
if (!IS_INDEX(rel) || !IS_GIN(rel))
- elog(ERROR, "relation \"%s\" is not a GIN index",
- RelationGetRelationName(rel));
+ ereport(ERROR,
+ (errcode(ERRCODE_WRONG_OBJECT_TYPE),
+ errmsg("relation \"%s\" is not a GIN index",
+ RelationGetRelationName(rel))));
/*
* Reject attempts to read non-local temporary relations; we would be
rel = index_open(relid, AccessShareLock);
+ /* index_open() checks that it's an index */
if (!IS_HASH(rel))
- elog(ERROR, "relation \"%s\" is not a HASH index",
- RelationGetRelationName(rel));
+ ereport(ERROR,
+ (errcode(ERRCODE_WRONG_OBJECT_TYPE),
+ errmsg("relation \"%s\" is not a HASH index",
+ RelationGetRelationName(rel))));
+
/*
* Reject attempts to read non-local temporary relations; we would be
}
stats->free_space += PageGetExactFreeSpace(page);
}
+
+/*
+ * check_relation_relkind - convenience routine to check that relation
+ * is of the relkind supported by the callers
+ */
+static void
+check_relation_relkind(Relation rel)
+{
+ if (rel->rd_rel->relkind != RELKIND_RELATION &&
+ rel->rd_rel->relkind != RELKIND_INDEX &&
+ rel->rd_rel->relkind != RELKIND_MATVIEW &&
+ rel->rd_rel->relkind != RELKIND_SEQUENCE &&
+ rel->rd_rel->relkind != RELKIND_TOASTVALUE)
+ ereport(ERROR,
+ (errcode(ERRCODE_WRONG_OBJECT_TYPE),
+ errmsg("\"%s\" is not a table, index, materialized view, sequence, or TOAST table",
+ RelationGetRelationName(rel))));
+}
case RELKIND_FOREIGN_TABLE:
err = "foreign table";
break;
+ case RELKIND_PARTITIONED_TABLE:
+ err = "partitioned table";
+ break;
default:
err = "unknown";
break;
create index test_hashidx on test using hash (b);
select * from pgstathashindex('test_hashidx');
+
+-- these should error with the wrong type
+select pgstatginindex('test_pkey');
+select pgstathashindex('test_pkey');
+
+select pgstatindex('test_ginidx');
+select pgstathashindex('test_ginidx');
+
+select pgstatindex('test_hashidx');
+select pgstatginindex('test_hashidx');
+
+-- check that using any of these functions with unsupported relations will fail
+create table test_partitioned (a int) partition by range (a);
+-- these should all fail
+select pgstattuple('test_partitioned');
+select pgstattuple_approx('test_partitioned');
+select pg_relpages('test_partitioned');
+select pgstatindex('test_partitioned');
+select pgstatginindex('test_partitioned');
+select pgstathashindex('test_partitioned');
+
+create view test_view as select 1;
+-- these should all fail
+select pgstattuple('test_view');
+select pgstattuple_approx('test_view');
+select pg_relpages('test_view');
+select pgstatindex('test_view');
+select pgstatginindex('test_view');
+select pgstathashindex('test_view');
+
+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');
+select pgstattuple_approx('test_foreign_table');
+select pg_relpages('test_foreign_table');
+select pgstatindex('test_foreign_table');
+select pgstatginindex('test_foreign_table');
+select pgstathashindex('test_foreign_table');
+
+-- 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');
+select pgstattuple_approx('test_partition');
+select pg_relpages('test_partition');
+
+-- not for the index calls though, of course
+select pgstatindex('test_partition');
+select pgstatginindex('test_partition');
+select pgstathashindex('test_partition');
+
+-- an actual index of a partitiond 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');
+select pgstathashindex('test_partition_hash_idx');
+
+drop table test_partitioned;
+drop view test_view;
+drop foreign table test_foreign_table;
+drop server dummy_server;
+drop foreign data wrapper dummy;
projects / postgresql / commitdiff