mirror of https://github.com/citusdata/citus.git
191 lines
6.1 KiB
Plaintext
191 lines
6.1 KiB
Plaintext
--
|
|
-- MULTI_SIZE_QUERIES
|
|
--
|
|
-- Test checks whether size of distributed tables can be obtained with citus_table_size.
|
|
-- To find the relation size and total relation size citus_relation_size and
|
|
-- citus_total_relation_size are also tested.
|
|
SET citus.next_shard_id TO 1390000;
|
|
-- Tests with invalid relation IDs
|
|
SELECT citus_table_size(1);
|
|
ERROR: could not compute table size: relation does not exist
|
|
SELECT citus_relation_size(1);
|
|
ERROR: could not compute table size: relation does not exist
|
|
SELECT citus_total_relation_size(1);
|
|
ERROR: could not compute table size: relation does not exist
|
|
-- Tests with non-distributed table
|
|
CREATE TABLE non_distributed_table (x int);
|
|
SELECT citus_table_size('non_distributed_table');
|
|
ERROR: cannot calculate the size because relation 'non_distributed_table' is not distributed
|
|
SELECT citus_relation_size('non_distributed_table');
|
|
ERROR: cannot calculate the size because relation 'non_distributed_table' is not distributed
|
|
SELECT citus_total_relation_size('non_distributed_table');
|
|
ERROR: cannot calculate the size because relation 'non_distributed_table' is not distributed
|
|
DROP TABLE non_distributed_table;
|
|
-- fix broken placements via disabling the node
|
|
SET client_min_messages TO ERROR;
|
|
SELECT replicate_table_shards('lineitem_hash_part', shard_replication_factor:=2, shard_transfer_mode:='block_writes');
|
|
replicate_table_shards
|
|
---------------------------------------------------------------------
|
|
|
|
(1 row)
|
|
|
|
-- Tests on distributed table with replication factor > 1
|
|
VACUUM (FULL) lineitem_hash_part;
|
|
SELECT citus_table_size('lineitem_hash_part');
|
|
citus_table_size
|
|
---------------------------------------------------------------------
|
|
3801088
|
|
(1 row)
|
|
|
|
SELECT citus_relation_size('lineitem_hash_part');
|
|
citus_relation_size
|
|
---------------------------------------------------------------------
|
|
3801088
|
|
(1 row)
|
|
|
|
SELECT citus_total_relation_size('lineitem_hash_part');
|
|
citus_total_relation_size
|
|
---------------------------------------------------------------------
|
|
3801088
|
|
(1 row)
|
|
|
|
VACUUM (FULL) customer_copy_hash;
|
|
-- Tests on distributed tables with streaming replication.
|
|
SELECT citus_table_size('customer_copy_hash');
|
|
citus_table_size
|
|
---------------------------------------------------------------------
|
|
548864
|
|
(1 row)
|
|
|
|
SELECT citus_relation_size('customer_copy_hash');
|
|
citus_relation_size
|
|
---------------------------------------------------------------------
|
|
548864
|
|
(1 row)
|
|
|
|
SELECT citus_total_relation_size('customer_copy_hash');
|
|
citus_total_relation_size
|
|
---------------------------------------------------------------------
|
|
1597440
|
|
(1 row)
|
|
|
|
-- Make sure we can get multiple sizes in a single query
|
|
SELECT citus_table_size('customer_copy_hash'),
|
|
citus_table_size('customer_copy_hash'),
|
|
citus_table_size('supplier');
|
|
citus_table_size | citus_table_size | citus_table_size
|
|
---------------------------------------------------------------------
|
|
548864 | 548864 | 442368
|
|
(1 row)
|
|
|
|
CREATE INDEX index_1 on customer_copy_hash(c_custkey);
|
|
VACUUM (FULL) customer_copy_hash;
|
|
-- Tests on distributed table with index.
|
|
SELECT citus_table_size('customer_copy_hash');
|
|
citus_table_size
|
|
---------------------------------------------------------------------
|
|
548864
|
|
(1 row)
|
|
|
|
SELECT citus_relation_size('customer_copy_hash');
|
|
citus_relation_size
|
|
---------------------------------------------------------------------
|
|
548864
|
|
(1 row)
|
|
|
|
SELECT citus_total_relation_size('customer_copy_hash');
|
|
citus_total_relation_size
|
|
---------------------------------------------------------------------
|
|
2646016
|
|
(1 row)
|
|
|
|
-- Tests on reference table
|
|
VACUUM (FULL) supplier;
|
|
SELECT citus_table_size('supplier');
|
|
citus_table_size
|
|
---------------------------------------------------------------------
|
|
376832
|
|
(1 row)
|
|
|
|
SELECT citus_relation_size('supplier');
|
|
citus_relation_size
|
|
---------------------------------------------------------------------
|
|
376832
|
|
(1 row)
|
|
|
|
SELECT citus_total_relation_size('supplier');
|
|
citus_total_relation_size
|
|
---------------------------------------------------------------------
|
|
376832
|
|
(1 row)
|
|
|
|
CREATE INDEX index_2 on supplier(s_suppkey);
|
|
VACUUM (FULL) supplier;
|
|
SELECT citus_table_size('supplier');
|
|
citus_table_size
|
|
---------------------------------------------------------------------
|
|
376832
|
|
(1 row)
|
|
|
|
SELECT citus_relation_size('supplier');
|
|
citus_relation_size
|
|
---------------------------------------------------------------------
|
|
376832
|
|
(1 row)
|
|
|
|
SELECT citus_total_relation_size('supplier');
|
|
citus_total_relation_size
|
|
---------------------------------------------------------------------
|
|
458752
|
|
(1 row)
|
|
|
|
-- Test inside the transaction
|
|
BEGIN;
|
|
ALTER TABLE supplier ALTER COLUMN s_suppkey SET NOT NULL;
|
|
select citus_table_size('supplier');
|
|
ERROR: citus size functions cannot be called in transaction blocks which contain multi-shard data modifications
|
|
END;
|
|
show citus.node_conninfo;
|
|
citus.node_conninfo
|
|
---------------------------------------------------------------------
|
|
sslmode=require
|
|
(1 row)
|
|
|
|
ALTER SYSTEM SET citus.node_conninfo = 'sslmode=require';
|
|
SELECT pg_reload_conf();
|
|
pg_reload_conf
|
|
---------------------------------------------------------------------
|
|
t
|
|
(1 row)
|
|
|
|
-- make sure that any invalidation to the connection info
|
|
-- wouldn't prevent future commands to fail
|
|
SELECT citus_total_relation_size('customer_copy_hash');
|
|
citus_total_relation_size
|
|
---------------------------------------------------------------------
|
|
2646016
|
|
(1 row)
|
|
|
|
SELECT pg_reload_conf();
|
|
pg_reload_conf
|
|
---------------------------------------------------------------------
|
|
t
|
|
(1 row)
|
|
|
|
SELECT citus_total_relation_size('customer_copy_hash');
|
|
citus_total_relation_size
|
|
---------------------------------------------------------------------
|
|
2646016
|
|
(1 row)
|
|
|
|
-- reset back to the original node_conninfo
|
|
ALTER SYSTEM RESET citus.node_conninfo;
|
|
SELECT pg_reload_conf();
|
|
pg_reload_conf
|
|
---------------------------------------------------------------------
|
|
t
|
|
(1 row)
|
|
|
|
DROP INDEX index_1;
|
|
DROP INDEX index_2;
|