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Prevent "UNBOUNDED FOLLOWING" from being used as the starting boundary of a

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window-frame. And "UNBOUNDED PRECEDING" from being used as the ending
boundary.

FossilOrigin-Name: e51fdf66a24c27ba6491391fffcc88fc5ca2ae79cfc4ab769a149b19c394e308
This commit is contained in:
dan
2018-07-06 13:48:09 +00:00
parent cf0343b699
commit 287fa17b78
4 changed files with 35 additions and 12 deletions
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test/window6.test
+15
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@@ -234,5 +234,20 @@ do_catchsql_test 9.3 {
SELECT count(DISTINCT x) OVER (ORDER BY x) FROM c;
} {1 {DISTINCT is not supported for window functions}}
do_catchsql_test 9.4 {
WITH RECURSIVE c(x) AS (VALUES(1) UNION ALL SELECT x+1 FROM c WHERE x<5)
SELECT count() OVER (ORDER BY x RANGE UNBOUNDED FOLLOWING) FROM c;
} {1 {near "FOLLOWING": syntax error}}
do_catchsql_test 9.5 {
WITH RECURSIVE c(x) AS (VALUES(1) UNION ALL SELECT x+1 FROM c WHERE x<5)
SELECT count() OVER (ORDER BY x RANGE BETWEEN UNBOUNDED FOLLOWING AND UNBOUNDED FOLLOWING) FROM c;
} {1 {near "FOLLOWING": syntax error}}
do_catchsql_test 9.6 {
WITH RECURSIVE c(x) AS (VALUES(1) UNION ALL SELECT x+1 FROM c WHERE x<5)
SELECT count() OVER (ORDER BY x RANGE BETWEEN UNBOUNDED PRECEDING AND UNBOUNDED PRECEDING) FROM c;
} {1 {near "PRECEDING": syntax error}}
finish_test