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Tweak targetlist-SRF tests.

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Add a test case showing that we don't support SRFs in window-function
arguments.  Remove a duplicate test case for SRFs in aggregate arguments.
This commit is contained in:
Tom Lane 2016-09-14 14:30:40 -04:00
parent 55c3391d1e
commit a163c006ca
2 changed files with 7 additions and 5 deletions
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6
src/test/regress/expected/tsrf.out
View File

@ -159,6 +159,9 @@ SELECT few.dataa, count(*) FROM few WHERE dataa = 'a' GROUP BY few.dataa, unnest
-- SRFs are not allowed in aggregate arguments -- SRFs are not allowed in aggregate arguments
SELECT min(generate_series(1, 3)) FROM few; SELECT min(generate_series(1, 3)) FROM few;
ERROR: set-valued function called in context that cannot accept a set ERROR: set-valued function called in context that cannot accept a set
-- SRFs are not allowed in window function arguments, either
SELECT min(generate_series(1, 3)) OVER() FROM few;
ERROR: set-valued function called in context that cannot accept a set
-- SRFs are normally computed after window functions -- SRFs are normally computed after window functions
SELECT id,lag(id) OVER(), count(*) OVER(), generate_series(1,3) FROM few; SELECT id,lag(id) OVER(), count(*) OVER(), generate_series(1,3) FROM few;
id | lag | count | generate_series id | lag | count | generate_series
@ -369,9 +372,6 @@ INSERT INTO fewmore VALUES(1) RETURNING generate_series(1,3);
ERROR: set-returning functions are not allowed in RETURNING ERROR: set-returning functions are not allowed in RETURNING
LINE 1: INSERT INTO fewmore VALUES(1) RETURNING generate_series(1,3)... LINE 1: INSERT INTO fewmore VALUES(1) RETURNING generate_series(1,3)...
^ ^
-- nor aggregate arguments
SELECT count(generate_series(1,3)) FROM few;
ERROR: set-valued function called in context that cannot accept a set
-- nor standalone VALUES (but surely this is a bug?) -- nor standalone VALUES (but surely this is a bug?)
VALUES(1, generate_series(1,2)); VALUES(1, generate_series(1,2));
ERROR: set-valued function called in context that cannot accept a set ERROR: set-valued function called in context that cannot accept a set

6
src/test/regress/sql/tsrf.sql
View File

@ -47,6 +47,9 @@ SELECT few.dataa, count(*) FROM few WHERE dataa = 'a' GROUP BY few.dataa, unnest
-- SRFs are not allowed in aggregate arguments -- SRFs are not allowed in aggregate arguments
SELECT min(generate_series(1, 3)) FROM few; SELECT min(generate_series(1, 3)) FROM few;
-- SRFs are not allowed in window function arguments, either
SELECT min(generate_series(1, 3)) OVER() FROM few;
-- SRFs are normally computed after window functions -- SRFs are normally computed after window functions
SELECT id,lag(id) OVER(), count(*) OVER(), generate_series(1,3) FROM few; SELECT id,lag(id) OVER(), count(*) OVER(), generate_series(1,3) FROM few;
-- unless referencing SRFs -- unless referencing SRFs
@ -73,8 +76,7 @@ UPDATE fewmore SET data = generate_series(4,9);
-- SRFs are not allowed in RETURNING -- SRFs are not allowed in RETURNING
INSERT INTO fewmore VALUES(1) RETURNING generate_series(1,3); INSERT INTO fewmore VALUES(1) RETURNING generate_series(1,3);
-- nor aggregate arguments
SELECT count(generate_series(1,3)) FROM few;
-- nor standalone VALUES (but surely this is a bug?) -- nor standalone VALUES (but surely this is a bug?)
VALUES(1, generate_series(1,2)); VALUES(1, generate_series(1,2));