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-rw-r--r--sql/item_jsonfunc.cc10
1 files changed, 6 insertions, 4 deletions
diff --git a/sql/item_jsonfunc.cc b/sql/item_jsonfunc.cc
index 9493d75018d..ff062b81a2e 100644
--- a/sql/item_jsonfunc.cc
+++ b/sql/item_jsonfunc.cc
@@ -69,6 +69,7 @@ static inline bool append_simple(String *s, const uchar *a, size_t a_len)
/*
Appends JSON string to the String object taking charsets in
consideration.
+*/
static int st_append_json(String *s,
CHARSET_INFO *json_cs, const uchar *js, uint js_len)
{
@@ -82,9 +83,8 @@ static int st_append_json(String *s,
return 0;
}
- return js_len;
+ return str_len;
}
-*/
/*
@@ -475,6 +475,9 @@ String *Item_func_json_value::val_str(String *str)
json_scan_start(&je, js->charset(),(const uchar *) js->ptr(),
(const uchar *) js->ptr() + js->length());
+ str->length(0);
+ str->set_charset(&my_charset_utf8mb4_bin);
+
path.cur_step= path.p.steps;
continue_search:
if (json_find_path(&je, &path.p, &path.cur_step, array_counters))
@@ -515,8 +518,7 @@ bool Item_func_json_value::check_and_get_value(json_engine_t *je, String *res,
return true;
}
- res->set((const char *) je->value, je->value_len, je->s.cs);
- return false;
+ return st_append_json(res, je->s.cs, je->value, je->value_len);
}