mirror of https://github.com/citusdata/citus.git
81 lines
3.3 KiB
SQL
81 lines
3.3 KiB
SQL
--
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-- WORKER_HASH_PARTITION_COMPLEX
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--
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\set JobId 201010
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\set TaskId 101104
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\set Partition_Column l_partkey
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\set Partition_Column_Text '\'l_partkey\''
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\set Partition_Column_Type 23
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\set Partition_Count 4
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\set Select_Columns 'SELECT l_partkey, l_discount, l_shipdate, l_comment'
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\set Select_Filters 'l_shipdate >= date \'1992-01-15\' AND l_discount between 0.02 AND 0.08'
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\set Hash_Mod_Function '( (hashint4(l_partkey) & 2147483647) % 4 )'
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\set Table_Part_00 lineitem_hash_complex_part_00
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\set Table_Part_01 lineitem_hash_complex_part_01
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\set Table_Part_02 lineitem_hash_complex_part_02
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\set Table_Part_03 lineitem_hash_complex_part_03
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-- Run hardcoded complex select query, and apply hash partitioning on query
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-- results
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SELECT worker_hash_partition_table(:JobId, :TaskId,
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'SELECT l_partkey, l_discount, l_shipdate, l_comment'
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' FROM lineitem '
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' WHERE l_shipdate >= date ''1992-01-15'''
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' AND l_discount between 0.02 AND 0.08',
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:Partition_Column_Text, :Partition_Column_Type,
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:Partition_Count);
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-- Copy partitioned data files into tables for testing purposes
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COPY :Table_Part_00 FROM 'base/pgsql_job_cache/job_201010/task_101104/p_00000';
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COPY :Table_Part_01 FROM 'base/pgsql_job_cache/job_201010/task_101104/p_00001';
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COPY :Table_Part_02 FROM 'base/pgsql_job_cache/job_201010/task_101104/p_00002';
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COPY :Table_Part_03 FROM 'base/pgsql_job_cache/job_201010/task_101104/p_00003';
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SELECT COUNT(*) FROM :Table_Part_00;
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SELECT COUNT(*) FROM :Table_Part_03;
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-- We first compute the difference of partition tables against the base table.
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-- Then, we compute the difference of the base table against partitioned tables.
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SELECT COUNT(*) AS diff_lhs_00 FROM (
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:Select_Columns FROM :Table_Part_00 EXCEPT ALL
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:Select_Columns FROM lineitem WHERE :Select_Filters AND
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(:Hash_Mod_Function = 0) ) diff;
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SELECT COUNT(*) AS diff_lhs_01 FROM (
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:Select_Columns FROM :Table_Part_01 EXCEPT ALL
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:Select_Columns FROM lineitem WHERE :Select_Filters AND
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(:Hash_Mod_Function = 1) ) diff;
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SELECT COUNT(*) AS diff_lhs_02 FROM (
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:Select_Columns FROM :Table_Part_02 EXCEPT ALL
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:Select_Columns FROM lineitem WHERE :Select_Filters AND
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(:Hash_Mod_Function = 2) ) diff;
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SELECT COUNT(*) AS diff_lhs_03 FROM (
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:Select_Columns FROM :Table_Part_03 EXCEPT ALL
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:Select_Columns FROM lineitem WHERE :Select_Filters AND
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(:Hash_Mod_Function = 3) ) diff;
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SELECT COUNT(*) AS diff_rhs_00 FROM (
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:Select_Columns FROM lineitem WHERE :Select_Filters AND
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(:Hash_Mod_Function = 0) EXCEPT ALL
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:Select_Columns FROM :Table_Part_00 ) diff;
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SELECT COUNT(*) AS diff_rhs_01 FROM (
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:Select_Columns FROM lineitem WHERE :Select_Filters AND
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(:Hash_Mod_Function = 1) EXCEPT ALL
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:Select_Columns FROM :Table_Part_01 ) diff;
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SELECT COUNT(*) AS diff_rhs_02 FROM (
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:Select_Columns FROM lineitem WHERE :Select_Filters AND
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(:Hash_Mod_Function = 2) EXCEPT ALL
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:Select_Columns FROM :Table_Part_02 ) diff;
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SELECT COUNT(*) AS diff_rhs_03 FROM (
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:Select_Columns FROM lineitem WHERE :Select_Filters AND
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(:Hash_Mod_Function = 3) EXCEPT ALL
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:Select_Columns FROM :Table_Part_03 ) diff;
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