MonetDB: Jul2021_prof_ext - Handle null values in format_val2json

[Aris Koning]

Changeset: cb972465d9bc for MonetDB
URL: https://dev.monetdb.org/hg/MonetDB/rev/cb972465d9bc
Modified Files:
        monetdb5/mal/mal_profiler.c
Branch: Jul2021_prof_ext
Log Message:

Handle null values in format_val2json


diffs (14 lines):

diff --git a/monetdb5/mal/mal_profiler.c b/monetdb5/mal/mal_profiler.c
--- a/monetdb5/mal/mal_profiler.c
+++ b/monetdb5/mal/mal_profiler.c
@@ -227,6 +227,10 @@ format_val2json(const ValPtr res) {
        char *buf = NULL;
        size_t sz = 0;
 
+       if (    BATatoms[res->vtype].atomNull &&
+                       BATatoms[res->vtype].atomCmp(VALget(res), 
BATatoms[res->vtype].atomNull) == 0)
+               return GDKstrdup("null");
+
        bool use_external = true;
 
        switch (res->vtype ) {
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