--
-- WORKER_HASH_PARTITION_COMPLEX
--
\set JobId 201010
\set TaskId 101104
\set Partition_Column l_partkey
\set Partition_Column_Text '\'l_partkey\''
\set Partition_Column_Type 23
\set Partition_Count 4
\set hashTokenIncrement 1073741824
\set Select_Columns 'SELECT l_partkey, l_discount, l_shipdate, l_comment'
\set Select_Filters 'l_shipdate >= date \'1992-01-15\' AND l_discount between 0.02 AND 0.08'
\set Hash_Mod_Function '( hashint4(l_partkey)::int8 - (-2147483648))::int8 / :hashTokenIncrement::int8'
\set Table_Part_00 lineitem_hash_complex_part_00
\set Table_Part_01 lineitem_hash_complex_part_01
\set Table_Part_02 lineitem_hash_complex_part_02
\set Table_Part_03 lineitem_hash_complex_part_03
SELECT usesysid AS userid FROM pg_user WHERE usename = current_user \gset
\set File_Basedir  base/pgsql_job_cache
\set Table_File_00 :File_Basedir/job_:JobId/task_:TaskId/p_00000.:userid
\set Table_File_01 :File_Basedir/job_:JobId/task_:TaskId/p_00001.:userid
\set Table_File_02 :File_Basedir/job_:JobId/task_:TaskId/p_00002.:userid
\set Table_File_03 :File_Basedir/job_:JobId/task_:TaskId/p_00003.:userid
-- Run hardcoded complex select query, and apply hash partitioning on query
-- results
SELECT worker_hash_partition_table(:JobId, :TaskId,
				   'SELECT l_partkey, l_discount, l_shipdate, l_comment'
				   ' FROM lineitem '
				   ' WHERE l_shipdate >= date ''1992-01-15'''
				   ' AND l_discount between 0.02 AND 0.08',
				   :Partition_Column_Text, :Partition_Column_Type,
				   ARRAY[-2147483648, -1073741824, 0, 1073741824]::int4[]);
 worker_hash_partition_table
---------------------------------------------------------------------

(1 row)

-- Copy partitioned data files into tables for testing purposes
COPY :Table_Part_00 FROM :'Table_File_00';
COPY :Table_Part_01 FROM :'Table_File_01';
COPY :Table_Part_02 FROM :'Table_File_02';
COPY :Table_Part_03 FROM :'Table_File_03';
SELECT COUNT(*) FROM :Table_Part_00;
 count
---------------------------------------------------------------------
  1883
(1 row)

SELECT COUNT(*) FROM :Table_Part_03;
 count
---------------------------------------------------------------------
  1913
(1 row)

-- We first compute the difference of partition tables against the base table.
-- Then, we compute the difference of the base table against partitioned tables.
SELECT COUNT(*) AS diff_lhs_00 FROM (
       :Select_Columns FROM :Table_Part_00 EXCEPT ALL
       :Select_Columns FROM lineitem WHERE :Select_Filters AND
       		       	    	     	   (:Hash_Mod_Function = 0) ) diff;
 diff_lhs_00
---------------------------------------------------------------------
           0
(1 row)

SELECT COUNT(*) AS diff_lhs_01 FROM (
       :Select_Columns FROM :Table_Part_01 EXCEPT ALL
       :Select_Columns FROM lineitem WHERE :Select_Filters AND
       		       	    	     	   (:Hash_Mod_Function = 1) ) diff;
 diff_lhs_01
---------------------------------------------------------------------
           0
(1 row)

SELECT COUNT(*) AS diff_lhs_02 FROM (
       :Select_Columns FROM :Table_Part_02 EXCEPT ALL
       :Select_Columns FROM lineitem WHERE :Select_Filters AND
       		       	    	     	   (:Hash_Mod_Function = 2) ) diff;
 diff_lhs_02
---------------------------------------------------------------------
           0
(1 row)

SELECT COUNT(*) AS diff_lhs_03 FROM (
       :Select_Columns FROM :Table_Part_03 EXCEPT ALL
       :Select_Columns FROM lineitem WHERE :Select_Filters AND
       		       	    	     	   (:Hash_Mod_Function = 3) ) diff;
 diff_lhs_03
---------------------------------------------------------------------
           0
(1 row)

SELECT COUNT(*) AS diff_rhs_00 FROM (
       :Select_Columns FROM lineitem WHERE :Select_Filters AND
       		       	    	     	   (:Hash_Mod_Function = 0) EXCEPT ALL
       :Select_Columns FROM :Table_Part_00 ) diff;
 diff_rhs_00
---------------------------------------------------------------------
           0
(1 row)

SELECT COUNT(*) AS diff_rhs_01 FROM (
       :Select_Columns FROM lineitem WHERE :Select_Filters AND
       		       	    	     	   (:Hash_Mod_Function = 1) EXCEPT ALL
       :Select_Columns FROM :Table_Part_01 ) diff;
 diff_rhs_01
---------------------------------------------------------------------
           0
(1 row)

SELECT COUNT(*) AS diff_rhs_02 FROM (
       :Select_Columns FROM lineitem WHERE :Select_Filters AND
       		       	    	     	   (:Hash_Mod_Function = 2) EXCEPT ALL
       :Select_Columns FROM :Table_Part_02 ) diff;
 diff_rhs_02
---------------------------------------------------------------------
           0
(1 row)

SELECT COUNT(*) AS diff_rhs_03 FROM (
       :Select_Columns FROM lineitem WHERE :Select_Filters AND
       		       	    	     	   (:Hash_Mod_Function = 3) EXCEPT ALL
       :Select_Columns FROM :Table_Part_03 ) diff;
 diff_rhs_03
---------------------------------------------------------------------
           0
(1 row)

