Changeset: df7028bb419b for MonetDB
URL: http://dev.monetdb.org/hg/MonetDB?cmd=changeset;node=df7028bb419b
Modified Files:
monetdb5/optimizer/opt_support.mx
Branch: default
Log Message:
Documentation snippet
diffs (13 lines):
diff --git a/monetdb5/optimizer/opt_support.mx
b/monetdb5/optimizer/opt_support.mx
--- a/monetdb5/optimizer/opt_support.mx
+++ b/monetdb5/optimizer/opt_support.mx
@@ -1324,6 +1324,9 @@
/* assertions are the end-point of a flow path */
if (getFunctionId(p) == not_uniqueRef) return FALSE;
if (getFunctionId(p) == zero_or_oneRef) return FALSE;
+ /* the update instructions for SQL has side effects.
+ whether this is relevant should be explicitly checked
+ in the environment of the call */
if (isUpdateInstruction(p)) return FALSE;
return TRUE;
}
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