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95 lines
2.3 KiB
Plaintext
95 lines
2.3 KiB
Plaintext
-- { echoOn }
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-- remote(system.one)
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SELECT 'remote(system.one)';
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remote(system.one)
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SELECT * FROM remote('127.0.0.1', system.one);
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0
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SELECT * FROM remote('127.0.0.{1,2}', system.one);
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0
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0
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SELECT _shard_num, * FROM remote('127.0.0.1', system.one);
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1 0
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SELECT _shard_num, * FROM remote('127.0.0.{1,2}', system.one) order by _shard_num;
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1 0
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2 0
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SELECT _shard_num, * FROM remote('127.0.0.{1,2}', system.one) WHERE _shard_num = 1;
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1 0
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-- dist_1 using test_shard_localhost
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SELECT 'dist_1';
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dist_1
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SELECT _shard_num FROM dist_1 order by _shard_num;
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1
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1
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SELECT _shard_num FROM dist_1 order by _shard_num;
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1
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1
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SELECT _shard_num, key FROM dist_1 order by _shard_num;
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1 10
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1 20
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SELECT key FROM dist_1;
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10
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20
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SELECT _shard_num FROM dist_1 order by _shard_num;
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1
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1
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SELECT _shard_num, key FROM dist_1 order by _shard_num, key;
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1 10
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1 20
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SELECT key FROM dist_1;
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10
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20
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-- dist_2 using test_cluster_two_shards_localhost
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SELECT 'dist_2';
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dist_2
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SELECT _shard_num FROM dist_2 order by _shard_num;
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1
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2
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SELECT _shard_num FROM dist_2 order by _shard_num;
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1
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2
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SELECT _shard_num, key FROM dist_2 order by _shard_num, key;
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1 100
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2 100
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SELECT key FROM dist_2;
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100
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100
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-- multiple _shard_num
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SELECT 'remote(Distributed)';
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remote(Distributed)
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SELECT _shard_num, key FROM remote('127.0.0.1', currentDatabase(), dist_2) order by _shard_num, key;
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1 100
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2 100
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-- JOIN system.clusters
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SELECT 'JOIN system.clusters';
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JOIN system.clusters
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SELECT a._shard_num, a.key, b.host_name, b.host_address IN ('::1', '127.0.0.1'), b.port
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FROM (SELECT *, _shard_num FROM dist_1) a
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JOIN system.clusters b
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ON a._shard_num = b.shard_num
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WHERE b.cluster = 'test_cluster_two_shards_localhost';
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1 10 localhost 1 9000
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1 20 localhost 1 9000
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SELECT _shard_num, key, b.host_name, b.host_address IN ('::1', '127.0.0.1'), b.port
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FROM dist_1 a
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JOIN system.clusters b
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ON _shard_num = b.shard_num
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WHERE b.cluster = 'test_cluster_two_shards_localhost'; -- { serverError 403 }
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SELECT 'Rewrite with alias';
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Rewrite with alias
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SELECT a._shard_num, key FROM dist_1 a;
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1 10
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1 20
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-- the same with JOIN, just in case
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SELECT a._shard_num, a.key, b.host_name, b.host_address IN ('::1', '127.0.0.1'), b.port
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FROM dist_1 a
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JOIN system.clusters b
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ON a._shard_num = b.shard_num
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WHERE b.cluster = 'test_cluster_two_shards_localhost'; -- { serverError 47; }
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SELECT 'dist_3';
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dist_3
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SELECT * FROM dist_3;
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100 foo
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SELECT _shard_num, * FROM dist_3 order by _shard_num;
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foo 100 foo
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