1 files changed, 11 insertions, 0 deletions
diff --git a/sql/sql_class.h b/sql/sql_class.h
index 48a88087fd3..fd88df4bcc8 100644
--- a/sql/sql_class.h
+++ b/sql/sql_class.h
@@ -31,6 +31,7 @@ class Load_log_event;
 class Slave_log_event;
 class sp_rcontext;
 class sp_cache;
+class Lex_input_stream;
 class Rows_log_event;
 
 enum enum_enable_or_disable { LEAVE_AS_IS, ENABLE, DISABLE };
@@ -1423,6 +1424,16 @@ public:
     */
     query_id_t first_query_id;
   } binlog_evt_union;
+
+  /**
+    Character input stream consumed by the lexical analyser,
+    used during parsing.
+    Note that since the parser is not re-entrant, we keep only one input
+    stream here. This member is valid only when executing code during parsing,
+    and may point to invalid memory after that.
+  */
+  Lex_input_stream *m_lip;
+
 #ifdef WITH_PARTITION_STORAGE_ENGINE
   partition_info *work_part_info;
 #endif