MonetDB: jun-order - fix div by zero problem

[Niels Nes]

Changeset: 1b471c0608b9 for MonetDB
URL: https://dev.monetdb.org/hg/MonetDB?cmd=changeset;node=1b471c0608b9
Modified Files:
        sql/server/rel_optimizer.c
Branch: jun-order
Log Message:

fix div by zero problem


diffs (15 lines):

diff --git a/sql/server/rel_optimizer.c b/sql/server/rel_optimizer.c
--- a/sql/server/rel_optimizer.c
+++ b/sql/server/rel_optimizer.c
@@ -371,7 +371,10 @@ rel_properties(mvc *sql, global_props *g
 
                                        if (np) {
                                                lng ec = exps_count(rel->exps);
-                                               np->value = 
(void*)((cnt+ec-1)/ec);
+                                               if (ec>0)
+                                                       np->value = 
(void*)((cnt+ec-1)/ec);
+                                               else
+                                                       np->value = (void*)cnt;
                                        }
                                }
                        }
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