Merge branch '11.0' into 11.1

sql/sql_class.h

@@ -3618,7 +3618,7 @@ public:
       return TRUE;
     }
     if (apc_target.have_apc_requests())
-      apc_target.process_apc_requests(); 
+      apc_target.process_apc_requests(false);
     return FALSE;
   }
 
@@ -4704,7 +4704,7 @@ public:
       tests fail and so force them to propagate the
       lex->binlog_row_based_if_mixed upwards to the caller.
     */
-    if ((wsrep_binlog_format() == BINLOG_FORMAT_MIXED) && (in_sub_stmt == 0))
+    if ((wsrep_binlog_format(variables.binlog_format) == BINLOG_FORMAT_MIXED) && (in_sub_stmt == 0))
       set_current_stmt_binlog_format_row();
 
     DBUG_VOID_RETURN;
@@ -4760,7 +4760,7 @@ public:
                 show_system_thread(system_thread)));
     if (in_sub_stmt == 0)
     {
-      if (wsrep_binlog_format() == BINLOG_FORMAT_ROW)
+      if (wsrep_binlog_format(variables.binlog_format) == BINLOG_FORMAT_ROW)
         set_current_stmt_binlog_format_row();
       else if (!has_temporary_tables())
         set_current_stmt_binlog_format_stmt();
@@ -5116,8 +5116,7 @@ public:
   /* Relesae transactional locks if there are no active transactions */
   void release_transactional_locks()
   {
-    if (!(server_status &
-          (SERVER_STATUS_IN_TRANS | SERVER_STATUS_IN_TRANS_READONLY)))
+    if (!in_active_multi_stmt_transaction())
       mdl_context.release_transactional_locks(this);
   }
   int decide_logging_format(TABLE_LIST *tables);
@@ -5390,9 +5389,18 @@ public:
   */
   bool is_awaiting_semisync_ack;
 
-  inline ulong wsrep_binlog_format() const
+  inline ulong wsrep_binlog_format(ulong binlog_format) const
   {
-    return WSREP_BINLOG_FORMAT(variables.binlog_format);
+#ifdef WITH_WSREP
+    // During CTAS we force ROW format
+    if (wsrep_ctas)
+      return BINLOG_FORMAT_ROW;
+    else
+      return ((wsrep_forced_binlog_format != BINLOG_FORMAT_UNSPEC) ?
+               wsrep_forced_binlog_format : binlog_format);
+#else
+    return (binlog_format);
+#endif
   }
 
 #ifdef WITH_WSREP
@@ -5457,7 +5465,8 @@ public:
   /* true if BF abort is observed in do_command() right after reading
   client's packet, and if the client has sent PS execute command. */
   bool                      wsrep_delayed_BF_abort;
-
+  // true if this transaction is CREATE TABLE AS SELECT (CTAS)
+  bool                      wsrep_ctas;
   /*
     Transaction id:
     * m_wsrep_next_trx_id is assigned on the first query after
@@ -7700,6 +7709,50 @@ class Sql_mode_save
   sql_mode_t old_mode; // SQL mode saved at construction time.
 };
 
+
+/*
+  Save the current sql_mode. Switch off sql_mode flags which can prevent
+  normal parsing of VIEWs, expressions in generated columns.
+  Restore the old sql_mode on destructor.
+*/
+class Sql_mode_save_for_frm_handling: public Sql_mode_save
+{
+public:
+  Sql_mode_save_for_frm_handling(THD *thd)
+   :Sql_mode_save(thd)
+  {
+    /*
+      - MODE_REAL_AS_FLOAT            affect only CREATE TABLE parsing
+      + MODE_PIPES_AS_CONCAT          affect expression parsing
+      + MODE_ANSI_QUOTES              affect expression parsing
+      + MODE_IGNORE_SPACE             affect expression parsing
+      - MODE_IGNORE_BAD_TABLE_OPTIONS affect only CREATE/ALTER TABLE parsing
+      * MODE_ONLY_FULL_GROUP_BY       affect execution
+      * MODE_NO_UNSIGNED_SUBTRACTION  affect execution
+      - MODE_NO_DIR_IN_CREATE         affect table creation only
+      - MODE_POSTGRESQL               compounded from other modes
+      + MODE_ORACLE                   affects Item creation (e.g for CONCAT)
+      - MODE_MSSQL                    compounded from other modes
+      - MODE_DB2                      compounded from other modes
+      - MODE_MAXDB                    affect only CREATE TABLE parsing
+      - MODE_NO_KEY_OPTIONS           affect only SHOW
+      - MODE_NO_TABLE_OPTIONS         affect only SHOW
+      - MODE_NO_FIELD_OPTIONS         affect only SHOW
+      - MODE_MYSQL323                 affect only SHOW
+      - MODE_MYSQL40                  affect only SHOW
+      - MODE_ANSI                     compounded from other modes
+                                      (+ transaction mode)
+      ? MODE_NO_AUTO_VALUE_ON_ZERO    affect UPDATEs
+      + MODE_NO_BACKSLASH_ESCAPES     affect expression parsing
+      + MODE_EMPTY_STRING_IS_NULL     affect expression parsing
+    */
+    thd->variables.sql_mode&= ~(MODE_PIPES_AS_CONCAT | MODE_ANSI_QUOTES |
+                                MODE_IGNORE_SPACE | MODE_NO_BACKSLASH_ESCAPES |
+                                MODE_ORACLE | MODE_EMPTY_STRING_IS_NULL);
+  };
+};
+
+
 class Switch_to_definer_security_ctx
 {
  public:
@@ -7774,11 +7827,13 @@ public:
 
 
 class Use_relaxed_field_copy: public Sql_mode_save,
-                              public Check_level_instant_set
+                              public Check_level_instant_set,
+                              public Abort_on_warning_instant_set
 {
 public:
   Use_relaxed_field_copy(THD *thd) :
-      Sql_mode_save(thd), Check_level_instant_set(thd, CHECK_FIELD_IGNORE)
+      Sql_mode_save(thd), Check_level_instant_set(thd, CHECK_FIELD_IGNORE),
+      Abort_on_warning_instant_set(thd, 0)
   {
     thd->variables.sql_mode&= ~(MODE_NO_ZERO_IN_DATE | MODE_NO_ZERO_DATE);
     thd->variables.sql_mode|= MODE_INVALID_DATES;