mirror of https://github.com/citusdata/citus.git
71 lines
3.3 KiB
PL/PgSQL
71 lines
3.3 KiB
PL/PgSQL
--
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-- MULTI_QUERY_DIRECTORY_CLEANUP
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--
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-- We execute sub-queries on worker nodes, and copy query results to a directory
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-- on the master node for final processing. When the query completes or fails,
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-- the resource owner should automatically clean up these intermediate query
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-- result files.
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BEGIN;
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-- pg_ls_dir() displays jobids. We explicitly set the jobId sequence
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-- here so that the regression output becomes independent of the
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-- number of jobs executed prior to running this test.
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ALTER SEQUENCE pg_catalog.pg_dist_jobid_seq RESTART 1250;
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SELECT sum(l_extendedprice * l_discount) as revenue FROM lineitem;
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SELECT sum(l_extendedprice * l_discount) as revenue FROM lineitem;
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SELECT sum(l_extendedprice * l_discount) as revenue FROM lineitem;
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SELECT pg_ls_dir('base/pgsql_job_cache');
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COMMIT;
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SELECT pg_ls_dir('base/pgsql_job_cache');
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BEGIN;
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SELECT sum(l_extendedprice * l_discount) as revenue FROM lineitem;
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SELECT sum(l_extendedprice * l_discount) as revenue FROM lineitem;
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SELECT sum(l_extendedprice * l_discount) as revenue FROM lineitem;
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SELECT pg_ls_dir('base/pgsql_job_cache');
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ROLLBACK;
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SELECT pg_ls_dir('base/pgsql_job_cache');
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-- Test that multiple job directories are all cleaned up correctly,
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-- both individually (by closing a cursor) and in bulk when ending a
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-- transaction.
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BEGIN;
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DECLARE c_00 CURSOR FOR SELECT sum(l_extendedprice * l_discount) as revenue FROM lineitem;
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DECLARE c_01 CURSOR FOR SELECT sum(l_extendedprice * l_discount) as revenue FROM lineitem;
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DECLARE c_02 CURSOR FOR SELECT sum(l_extendedprice * l_discount) as revenue FROM lineitem;
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DECLARE c_03 CURSOR FOR SELECT sum(l_extendedprice * l_discount) as revenue FROM lineitem;
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DECLARE c_04 CURSOR FOR SELECT sum(l_extendedprice * l_discount) as revenue FROM lineitem;
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DECLARE c_05 CURSOR FOR SELECT sum(l_extendedprice * l_discount) as revenue FROM lineitem;
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DECLARE c_06 CURSOR FOR SELECT sum(l_extendedprice * l_discount) as revenue FROM lineitem;
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DECLARE c_07 CURSOR FOR SELECT sum(l_extendedprice * l_discount) as revenue FROM lineitem;
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DECLARE c_08 CURSOR FOR SELECT sum(l_extendedprice * l_discount) as revenue FROM lineitem;
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DECLARE c_09 CURSOR FOR SELECT sum(l_extendedprice * l_discount) as revenue FROM lineitem;
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DECLARE c_10 CURSOR FOR SELECT sum(l_extendedprice * l_discount) as revenue FROM lineitem;
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DECLARE c_11 CURSOR FOR SELECT sum(l_extendedprice * l_discount) as revenue FROM lineitem;
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DECLARE c_12 CURSOR FOR SELECT sum(l_extendedprice * l_discount) as revenue FROM lineitem;
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DECLARE c_13 CURSOR FOR SELECT sum(l_extendedprice * l_discount) as revenue FROM lineitem;
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DECLARE c_14 CURSOR FOR SELECT sum(l_extendedprice * l_discount) as revenue FROM lineitem;
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DECLARE c_15 CURSOR FOR SELECT sum(l_extendedprice * l_discount) as revenue FROM lineitem;
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DECLARE c_16 CURSOR FOR SELECT sum(l_extendedprice * l_discount) as revenue FROM lineitem;
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DECLARE c_17 CURSOR FOR SELECT sum(l_extendedprice * l_discount) as revenue FROM lineitem;
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DECLARE c_18 CURSOR FOR SELECT sum(l_extendedprice * l_discount) as revenue FROM lineitem;
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DECLARE c_19 CURSOR FOR SELECT sum(l_extendedprice * l_discount) as revenue FROM lineitem;
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SELECT * FROM pg_ls_dir('base/pgsql_job_cache') f ORDER BY f;
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-- close first, 17th (first after re-alloc) and last cursor.
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CLOSE c_00;
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CLOSE c_16;
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CLOSE c_19;
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SELECT * FROM pg_ls_dir('base/pgsql_job_cache') f ORDER BY f;
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ROLLBACK;
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SELECT pg_ls_dir('base/pgsql_job_cache');
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