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-rw-r--r--include/ma_dyncol.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/ma_dyncol.h b/include/ma_dyncol.h
index 300474e061e..4f05b425afd 100644
--- a/include/ma_dyncol.h
+++ b/include/ma_dyncol.h
@@ -69,6 +69,9 @@ typedef struct st_mysql_lex_string LEX_STRING;
#define DYNCOL_UTF (&my_charset_utf8_general_ci)
#endif
+/* escape json strings */
+#define DYNCOL_JSON_ESC ((char)1)
+
enum enum_dyncol_func_result
{
ER_DYNCOL_OK= 0,