22 lines
1.0 KiB
SQL
22 lines
1.0 KiB
SQL
create table parallel_nested_loop_test_a (id int);
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create table parallel_nested_loop_test_b (id int);
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insert into parallel_nested_loop_test_a select n from generate_series(1,2) n;
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insert into parallel_nested_loop_test_b select n from generate_series(1,5) n;
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explain (costs off) select * from parallel_nested_loop_test_a left outer join parallel_nested_loop_test_b on parallel_nested_loop_test_a.id = 1;
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select * from parallel_nested_loop_test_a left outer join parallel_nested_loop_test_b on parallel_nested_loop_test_a.id = 1;
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set parallel_setup_cost = 0;
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set min_parallel_table_scan_size=0;
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set force_parallel_mode=on;
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explain (costs off) select * from parallel_nested_loop_test_a left outer join parallel_nested_loop_test_b on parallel_nested_loop_test_a.id = 1;
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select * from parallel_nested_loop_test_a left outer join parallel_nested_loop_test_b on parallel_nested_loop_test_a.id = 1;
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drop table parallel_nested_loop_test_a;
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drop table parallel_nested_loop_test_b;
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reset parallel_setup_cost;
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reset min_parallel_table_scan_size;
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reset force_parallel_mode; |