MonetDB: Jun2020 - do not rewrite ddl statements in rewrite_anye...

[Niels Nes]

Changeset: 4e537d1643b3 for MonetDB
URL: https://dev.monetdb.org/hg/MonetDB?cmd=changeset;node=4e537d1643b3
Modified Files:
        sql/server/rel_unnest.c
Branch: Jun2020
Log Message:

do not rewrite ddl statements in rewrite_anyequal (fixes crash in subquery6)


diffs (21 lines):

diff --git a/sql/server/rel_unnest.c b/sql/server/rel_unnest.c
--- a/sql/server/rel_unnest.c
+++ b/sql/server/rel_unnest.c
@@ -1600,7 +1600,7 @@ rewrite_exp_rel(mvc *sql, sql_rel *rel, 
                } else {
                        e = exp_rel_update_exp(sql, e);
                }
-       } 
+       }
        return e;
 }
 
@@ -2122,6 +2122,8 @@ rewrite_anyequal(mvc *sql, sql_rel *rel,
                return e;
 
        sf = e->f;
+       if (is_ddl(rel->op))
+               return e;
        if (is_anyequal_func(sf) && !list_empty(e->l)) {
                list *l = e->l;
 
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