mirror of https://github.com/citusdata/citus.git
62 lines
1.9 KiB
PL/PgSQL
62 lines
1.9 KiB
PL/PgSQL
SELECT citus.mitmproxy('conn.allow()');
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SELECT citus.clear_network_traffic();
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SET citus.shard_count = 2;
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SET citus.shard_replication_factor = 2;
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CREATE TABLE mod_test (key int, value text);
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SELECT create_distributed_table('mod_test', 'key');
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-- verify behavior of single INSERT; should mark shard as failed
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SELECT citus.mitmproxy('conn.onQuery(query="^INSERT").kill()');
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INSERT INTO mod_test VALUES (2, 6);
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SELECT COUNT(*) FROM mod_test WHERE key=2;
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-- some clean up
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UPDATE pg_dist_shard_placement SET shardstate = 1
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WHERE shardid IN (
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SELECT shardid FROM pg_dist_shard WHERE logicalrelid = 'mod_test'::regclass
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) AND shardstate = 3 RETURNING placementid;
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TRUNCATE mod_test;
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-- verify behavior of UPDATE ... RETURNING; should mark as failed
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SELECT citus.mitmproxy('conn.allow()');
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INSERT INTO mod_test VALUES (2, 6);
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SELECT citus.mitmproxy('conn.onQuery(query="^UPDATE").kill()');
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UPDATE mod_test SET value='ok' WHERE key=2 RETURNING key;
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SELECT COUNT(*) FROM mod_test WHERE value='ok';
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-- some clean up
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UPDATE pg_dist_shard_placement SET shardstate = 1
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WHERE shardid IN (
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SELECT shardid FROM pg_dist_shard WHERE logicalrelid = 'mod_test'::regclass
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) AND shardstate = 3 RETURNING placementid;
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TRUNCATE mod_test;
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-- verify behavior of multi-statement modifications to a single shard
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-- should succeed but mark a placement as failed
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SELECT citus.mitmproxy('conn.onQuery(query="^UPDATE").kill()');
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BEGIN;
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INSERT INTO mod_test VALUES (2, 6);
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INSERT INTO mod_test VALUES (2, 7);
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DELETE FROM mod_test WHERE key=2 AND value = '7';
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UPDATE mod_test SET value='ok' WHERE key=2;
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COMMIT;
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SELECT COUNT(*) FROM mod_test WHERE key=2;
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-- some clean up
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UPDATE pg_dist_shard_placement SET shardstate = 1
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WHERE shardid IN (
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SELECT shardid FROM pg_dist_shard WHERE logicalrelid = 'mod_test'::regclass
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) AND shardstate = 3 RETURNING placementid;
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TRUNCATE mod_test;
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-- ==== Clean up, we're done here ====
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DROP TABLE mod_test;
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