mirror of https://github.com/citusdata/citus.git
39 lines
1.5 KiB
SQL
39 lines
1.5 KiB
SQL
--
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-- WORKER_MERGE_HASH_FILES
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--
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ALTER SEQUENCE pg_catalog.pg_dist_shardid_seq RESTART 1140000;
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ALTER SEQUENCE pg_catalog.pg_dist_jobid_seq RESTART 1140000;
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\set JobId 201010
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\set TaskId 101103
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\set Task_Table_Name public.task_101103
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\set Select_All 'SELECT *'
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-- TaskId determines our dependency on hash partitioned files. We take these
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-- files, and merge them in a task table. We also pass the column names and
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-- column types that are used to create the task table.
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SELECT worker_merge_files_into_table(:JobId, :TaskId,
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ARRAY['orderkey', 'partkey', 'suppkey', 'linenumber', 'quantity', 'extendedprice',
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'discount', 'tax', 'returnflag', 'linestatus', 'shipdate', 'commitdate',
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'receiptdate', 'shipinstruct', 'shipmode', 'comment']::_text,
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ARRAY['bigint', 'integer', 'integer', 'integer', 'decimal(15, 2)', 'decimal(15, 2)',
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'decimal(15, 2)', 'decimal(15, 2)', 'char(1)', 'char(1)', 'date', 'date',
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'date', 'char(25)', 'char(10)', 'varchar(44)']::_text);
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-- We first count elements from the merged table and the original table we hash
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-- partitioned. We then compute the difference of these two tables.
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SELECT COUNT(*) FROM :Task_Table_Name;
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SELECT COUNT(*) FROM lineitem;
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SELECT COUNT(*) AS diff_lhs FROM ( :Select_All FROM :Task_Table_Name EXCEPT ALL
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:Select_All FROM lineitem ) diff;
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SELECT COUNT(*) AS diff_rhs FROM ( :Select_All FROM lineitem EXCEPT ALL
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:Select_All FROM :Task_Table_Name ) diff;
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