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-rw-r--r--sql/item.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/sql/item.h b/sql/item.h
index 4daca60f68e..830f8bf14a4 100644
--- a/sql/item.h
+++ b/sql/item.h
@@ -50,6 +50,12 @@ bool trace_unsupported_by_check_vcol_func_processor(const char *where)
return trace_unsupported_func(where, "check_vcol_func_processor");
}
+#ifdef DBUG_OFF
+static inline const char *dbug_print_item(Item *item) { return NULL; }
+#else
+extern const char *dbug_print_item(Item *item);
+#endif
+
class Protocol;
struct TABLE_LIST;
void item_init(void); /* Init item functions */