Changeset: b23d457201f4 for MonetDB
URL: https://dev.monetdb.org/hg/MonetDB/rev/b23d457201f4
Modified Files:
sql/server/rel_rewriter.c
Branch: Aug2024
Log Message:
be more carefull on rewriting compare with boolean, with is_semantics we cannot
easily remove the comparison. Fixes bug #7543.
diffs (12 lines):
diff --git a/sql/server/rel_rewriter.c b/sql/server/rel_rewriter.c
--- a/sql/server/rel_rewriter.c
+++ b/sql/server/rel_rewriter.c
@@ -183,7 +183,7 @@ rewrite_simplify_exp(visitor *v, sql_rel
}
}
}
- if (is_compare(e->type) && e->flag == cmp_equal) { /* predicate_func =
TRUE */
+ if (is_compare(e->type) && e->flag == cmp_equal && !is_semantics(e)) {
/* predicate_func = TRUE */
sql_exp *l = e->l, *r = e->r;
if (is_func(l->type) && exp_is_true(r) &&
(is_anyequal_func(((sql_subfunc*)l->f)) ||
is_exists_func(((sql_subfunc*)l->f))))
return l;
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