Changeset: 7b5f741c246d for MonetDB
URL: https://dev.monetdb.org/hg/MonetDB?cmd=changeset;node=7b5f741c246d
Modified Files:
sql/test/subquery/Tests/subquery3.sql
Branch: default
Log Message:
Correlations at group by clause, still needs work
diffs (25 lines):
diff --git a/sql/test/subquery/Tests/subquery3.sql
b/sql/test/subquery/Tests/subquery3.sql
--- a/sql/test/subquery/Tests/subquery3.sql
+++ b/sql/test/subquery/Tests/subquery3.sql
@@ -323,6 +323,10 @@ SELECT
FROM integers i1; --The sum at group by is a correlation from the outer query,
so it's allowed inside the GROUP BY at this case
-- 1
+SELECT
+ (SELECT 1 FROM integers i2 GROUP BY SUM(i2.i))
+FROM integers i1; --error, aggregates not allowed in group by clause
+
SELECT
(SELECT SUM(SUM(i1.i) + i2.i) FROM integers i2 GROUP BY i2.i)
FROM integers i1; --SUM(i1.i) is a correlation from the outer query, so the
sum aggregates can be nested at this case
@@ -332,6 +336,10 @@ SELECT
(SELECT SUM(SUM(i1.i)) FROM integers i2 GROUP BY i2.i)
FROM integers i1; --error, more than one row returned by a subquery used as an
expression
+SELECT
+ (SELECT SUM(SUM(i2.i)) FROM integers i2 GROUP BY i2.i)
+FROM integers i1; --error, aggregation functions cannot be nested
+
/* We shouldn't allow the following internal functions/procedures to be called
from regular queries */
--SELECT "identity"(col1) FROM another_T;
--SELECT "rowid"(col1) FROM another_T;
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