Changeset: 1e720502b2ad for MonetDB
URL: http://dev.monetdb.org/hg/MonetDB?cmd=changeset;node=1e720502b2ad
Modified Files:
monetdb5/extras/mal_optimizer_template/opt_sql_append.mx
Branch: default
Log Message:
opt_sql_append: use assert() to check for logical error
defensive programming: "better safe than sorry"
diffs (16 lines):
diff --git a/monetdb5/extras/mal_optimizer_template/opt_sql_append.mx
b/monetdb5/extras/mal_optimizer_template/opt_sql_append.mx
--- a/monetdb5/extras/mal_optimizer_template/opt_sql_append.mx
+++ b/monetdb5/extras/mal_optimizer_template/opt_sql_append.mx
@@ -137,10 +137,8 @@ OPTsql_appendImplementation(Client cntxt
* or (2) omitting statements or (3) introducing new statements.
*/
- /* this should not be needed, 'impossible'
- if (mb == NULL)
- return 0;
- */
+ /* check for logical error: mb must never be NULL */
+ assert (mb != NULL);
/* safe the old stage of the MAL block */
old = mb->stmt;
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