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Add regression test for bug fixed by recent refactoring. 

Test case by Andres Freund for bug fixed by Tom Lane's refactoring
in commit 5194024d72
This commit is contained in:
Kevin Grittner 2013-04-30 15:02:43 -05:00
parent 87d3b35a1c
commit 200ba1667b
2 changed files with 19 additions and 0 deletions
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12
src/test/regress/expected/matview.out
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@ -418,3 +418,15 @@ NOTICE: drop cascades to 3 other objects
DETAIL: drop cascades to view v_test2
drop cascades to materialized view mv_test2
drop cascades to materialized view mv_test3
-- test a corner case for "with no data" versus a query which yields no rows
CREATE MATERIALIZED VIEW matview_unit_false AS SELECT false WHERE false WITH NO DATA;
SELECT * FROM matview_unit_false;
ERROR: materialized view "matview_unit_false" has not been populated
HINT: Use the REFRESH MATERIALIZED VIEW command.
REFRESH MATERIALIZED VIEW matview_unit_false;
SELECT * FROM matview_unit_false;
bool
------
(0 rows)
DROP MATERIALIZED VIEW matview_unit_false;

7
src/test/regress/sql/matview.sql
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@ -129,3 +129,10 @@ CREATE MATERIALIZED VIEW mv_test3 AS SELECT * FROM mv_test2 WHERE moo = 12345;
SELECT pg_relation_is_scannable('mv_test3'::regclass);
DROP VIEW v_test1 CASCADE;
-- test a corner case for "with no data" versus a query which yields no rows
CREATE MATERIALIZED VIEW matview_unit_false AS SELECT false WHERE false WITH NO DATA;
SELECT * FROM matview_unit_false;
REFRESH MATERIALIZED VIEW matview_unit_false;
SELECT * FROM matview_unit_false;
DROP MATERIALIZED VIEW matview_unit_false;