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Add ORDER BY to set_operations

pull/2678/head
Onder Kalaci 2019-04-23 11:51:58 +03:00
parent 913ffc9dcd
commit 64b323d9eb
2 changed files with 3 additions and 3 deletions
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4
src/test/regress/expected/set_operations.out
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@ -858,13 +858,13 @@ SELECT * FROM set_view_pushdown ORDER BY 1 DESC;
-- this should be recursively planned -- this should be recursively planned
CREATE VIEW set_view_recursive_second AS SELECT u.x, test.y FROM ((SELECT x, y FROM test) UNION (SELECT 1, 1 FROM test)) u JOIN test USING (x) ORDER BY 1,2; CREATE VIEW set_view_recursive_second AS SELECT u.x, test.y FROM ((SELECT x, y FROM test) UNION (SELECT 1, 1 FROM test)) u JOIN test USING (x) ORDER BY 1,2;
SELECT * FROM set_view_recursive_second; SELECT * FROM set_view_recursive_second ORDER BY 1,2;
DEBUG: generating subplan 175_1 for subquery SELECT x, y FROM recursive_union.test DEBUG: generating subplan 175_1 for subquery SELECT x, y FROM recursive_union.test
DEBUG: generating subplan 175_2 for subquery SELECT 1, 1 FROM recursive_union.test DEBUG: generating subplan 175_2 for subquery SELECT 1, 1 FROM recursive_union.test
DEBUG: Creating router plan DEBUG: Creating router plan
DEBUG: Plan is router executable DEBUG: Plan is router executable
DEBUG: generating subplan 175_3 for subquery SELECT intermediate_result.x, intermediate_result.y FROM read_intermediate_result('175_1'::text, 'binary'::citus_copy_format) intermediate_result(x integer, y integer) UNION SELECT intermediate_result."?column?", intermediate_result."?column?_1" AS "?column?" FROM read_intermediate_result('175_2'::text, 'binary'::citus_copy_format) intermediate_result("?column?" integer, "?column?_1" integer) DEBUG: generating subplan 175_3 for subquery SELECT intermediate_result.x, intermediate_result.y FROM read_intermediate_result('175_1'::text, 'binary'::citus_copy_format) intermediate_result(x integer, y integer) UNION SELECT intermediate_result."?column?", intermediate_result."?column?_1" AS "?column?" FROM read_intermediate_result('175_2'::text, 'binary'::citus_copy_format) intermediate_result("?column?" integer, "?column?_1" integer)
DEBUG: Plan 175 query after replacing subqueries and CTEs: SELECT x, y FROM (SELECT u.x, test.y FROM ((SELECT intermediate_result.x, intermediate_result.y FROM read_intermediate_result('175_3'::text, 'binary'::citus_copy_format) intermediate_result(x integer, y integer)) u JOIN recursive_union.test USING (x)) ORDER BY u.x, test.y) set_view_recursive_second DEBUG: Plan 175 query after replacing subqueries and CTEs: SELECT x, y FROM (SELECT u.x, test.y FROM ((SELECT intermediate_result.x, intermediate_result.y FROM read_intermediate_result('175_3'::text, 'binary'::citus_copy_format) intermediate_result(x integer, y integer)) u JOIN recursive_union.test USING (x)) ORDER BY u.x, test.y) set_view_recursive_second ORDER BY x, y
x | y x | y
---+--- ---+---
1 | 1 1 | 1

2
src/test/regress/sql/set_operations.sql
View File

@ -164,7 +164,7 @@ SELECT * FROM set_view_pushdown ORDER BY 1 DESC;
-- this should be recursively planned -- this should be recursively planned
CREATE VIEW set_view_recursive_second AS SELECT u.x, test.y FROM ((SELECT x, y FROM test) UNION (SELECT 1, 1 FROM test)) u JOIN test USING (x) ORDER BY 1,2; CREATE VIEW set_view_recursive_second AS SELECT u.x, test.y FROM ((SELECT x, y FROM test) UNION (SELECT 1, 1 FROM test)) u JOIN test USING (x) ORDER BY 1,2;
SELECT * FROM set_view_recursive_second; SELECT * FROM set_view_recursive_second ORDER BY 1,2;
-- this should create lots of recursive calls since both views and set operations lead to recursive plans :) -- this should create lots of recursive calls since both views and set operations lead to recursive plans :)
((SELECT x FROM set_view_recursive_second) INTERSECT (SELECT * FROM set_view_recursive)) EXCEPT (SELECT * FROM set_view_pushdown); ((SELECT x FROM set_view_recursive_second) INTERSECT (SELECT * FROM set_view_recursive)) EXCEPT (SELECT * FROM set_view_pushdown);