Changeset: a320e5f0a5f5 for MonetDB
URL: https://dev.monetdb.org/hg/MonetDB?cmd=changeset;node=a320e5f0a5f5
Modified Files:
        sql/ChangeLog
Branch: default
Log Message:

Updated Changelog.


diffs (18 lines):

diff --git a/sql/ChangeLog b/sql/ChangeLog
--- a/sql/ChangeLog
+++ b/sql/ChangeLog
@@ -1,6 +1,14 @@
 # ChangeLog file for sql
 # This file is updated with Maddlog
 
+* Thu Dec 20 2018 Pedro Ferreira <pedro.ferre...@monetdbsolutions.com>
+- Allow usage of custom expressions in GROUP BY and PARTITION BY
+  clauses. The same expressions can be used in the projection phase as
+  long as it is exactly the same used in the grouping clause (textual
+  lookup is performed). As an example the query:
+  SELECT col1*2 FROM t1 GROUP BY col1*2; is correct, while
+  SELECT sin(col1+5) FROM t1 GROUP BY col1*2; is wrong.
+
 * Mon Dec 17 2018 Pedro Ferreira <pedro.ferre...@monetdbsolutions.com>
 - Implemented merge statements from SQL:2003 standard. Using a source
   relation R, a target table T is updating depending on the result of
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