Fix a crash bug caused by unkown aggregation type.

Unknown aggregation type caused a crash. This happens only on
development but should be treated as the same as other similar cases.

diff --git a/pgsp_json_text.c b/pgsp_json_text.c
index 839ae62..137b0c6 100644 (file)
--- a/pgsp_json_text.c
+++ b/pgsp_json_text.c
@@ -83,6 +83,9 @@ SETTERDECL(strategy)
        
        p = search_word_table(strategies, val, PGSP_JSON_TEXTIZE);
 
+       if (!p)
+               return;
+
        switch (vals->nodetag)
        {
                case T_Agg: