MonetDB: Jul2015 - fixed coalesce(null, ...) with query cache bu...

[Niels Nes]

Changeset: 35628f1c15c0 for MonetDB
URL: http://dev.monetdb.org/hg/MonetDB?cmd=changeset;node=35628f1c15c0
Modified Files:
        sql/server/sql_qc.c
Branch: Jul2015
Log Message:

fixed coalesce(null, ...) with query cache bug 3830


diffs (13 lines):

diff --git a/sql/server/sql_qc.c b/sql/server/sql_qc.c
--- a/sql/server/sql_qc.c
+++ b/sql/server/sql_qc.c
@@ -162,6 +162,9 @@ param_list_cmp(sql_subtype *typelist, at
                sql_subtype *tp = typelist + i;
                atom *a = atoms[i];
 
+               if (atom_null(a) && type != Q_UPDATE)
+                       return -1;
+
                /* NULL values match any type */
                if (!atom_null(a) && param_cmp(tp, atom_type(a)) != 0) {
                        sql_subtype *at = atom_type(a);
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