Add Statement::sql_command_flags() function.

Now one can call thd->sql_command_flags() instead of
sql_command_flags[thd->lex->sql_command].

sql/sql_class.cc

@@ -1341,7 +1341,7 @@ void THD::update_stats(void)
     /* A SQL query. */
     if (lex->sql_command == SQLCOM_SELECT)
       select_commands++;
-    else if (sql_command_flags[lex->sql_command] & CF_STATUS_COMMAND)
+    else if (sql_command_flags() & CF_STATUS_COMMAND)
     {
       /* Ignore 'SHOW ' commands */
     }
@@ -6651,8 +6651,8 @@ int THD::decide_logging_format(TABLE_LIST *tables)
           blackhole_table_found= 1;
 
         if (share->non_determinstic_insert &&
-            (sql_command_flags[lex->sql_command] & CF_CAN_GENERATE_ROW_EVENTS
-             && !(sql_command_flags[lex->sql_command] & CF_SCHEMA_CHANGE)))
+            (sql_command_flags() & CF_CAN_GENERATE_ROW_EVENTS
+             && !(sql_command_flags() & CF_SCHEMA_CHANGE)))
           has_write_tables_with_unsafe_statements= true;
 
         trans= table->file->has_transactions();
@@ -6901,8 +6901,7 @@ int THD::decide_logging_format(TABLE_LIST *tables)
 
     if (blackhole_table_found &&
         variables.binlog_format == BINLOG_FORMAT_ROW &&
-        (sql_command_flags[lex->sql_command] &
-         (CF_UPDATES_DATA | CF_DELETES_DATA)))
+        (sql_command_flags() & (CF_UPDATES_DATA | CF_DELETES_DATA)))
     {
       String table_names;
       /*
@@ -6922,8 +6921,7 @@ int THD::decide_logging_format(TABLE_LIST *tables)
       }
       if (!table_names.is_empty())
       {
-        bool is_update= MY_TEST(sql_command_flags[lex->sql_command] &
-                                CF_UPDATES_DATA);
+        bool is_update= MY_TEST(sql_command_flags() & CF_UPDATES_DATA);
         /*
           Replace the last ',' with '.' for table_names
         */

sql/sql_class.h

@@ -1489,6 +1489,8 @@ struct send_column_info_state
   }
 };
 
+extern uint sql_command_flags[];
+
 
 /**
   @class Statement
@@ -1569,6 +1571,10 @@ class Statement: public ilink, public Query_arena
   {
     set_query_inner(CSET_STRING());
   }
+  ulong sql_command_flags() const
+  {
+    return ::sql_command_flags[lex->sql_command];
+  }
   /**
     Name of the current (default) database.
 

sql/sql_prepare.cc

@@ -4451,7 +4451,7 @@ Prepared_statement::execute_loop(String *expanded_query,
     the error stack.
   */
 
-  if (sql_command_flags[lex->sql_command] & CF_REEXECUTION_FRAGILE)
+  if (sql_command_flags() & CF_REEXECUTION_FRAGILE)
   {
     reprepare_observer.reset_reprepare_observer();
     DBUG_ASSERT(thd->m_reprepare_observer == NULL);
@@ -4463,7 +4463,7 @@ Prepared_statement::execute_loop(String *expanded_query,
   thd->m_reprepare_observer= NULL;
 
   if (unlikely(error) &&
-      (sql_command_flags[lex->sql_command] & CF_REEXECUTION_FRAGILE) &&
+      (sql_command_flags() & CF_REEXECUTION_FRAGILE) &&
       !thd->is_fatal_error && !thd->killed &&
       reprepare_observer.is_invalidated() &&
       reprepare_observer.can_retry())
@@ -4578,7 +4578,7 @@ Prepared_statement::execute_bulk_loop(String *expanded_query,
     goto err;
   }
 
-  if (!(sql_command_flags[lex->sql_command] & CF_PS_ARRAY_BINDING_SAFE))
+  if (!(sql_command_flags() & CF_PS_ARRAY_BINDING_SAFE))
   {
     DBUG_PRINT("error", ("Command is not supported in bulk execution."));
     my_error(ER_UNSUPPORTED_PS, MYF(0));
@@ -4588,7 +4588,7 @@ Prepared_statement::execute_bulk_loop(String *expanded_query,
      Here second buffer for not optimized commands,
      optimized commands do it inside thier internal loop.
   */
-  if (!(sql_command_flags[lex->sql_command] & CF_PS_ARRAY_BINDING_OPTIMIZED) &&
+  if (!(sql_command_flags() & CF_PS_ARRAY_BINDING_OPTIMIZED) &&
       this->lex->has_returning())
   {
     // Above check can be true for SELECT in future
@@ -4621,7 +4621,7 @@ Prepared_statement::execute_bulk_loop(String *expanded_query,
       Here we set parameters for not optimized commands,
       optimized commands do it inside thier internal loop.
     */
-    if (!(sql_command_flags[lex->sql_command] & CF_PS_ARRAY_BINDING_OPTIMIZED))
+    if (!(sql_command_flags() & CF_PS_ARRAY_BINDING_OPTIMIZED))
     {
       if (set_bulk_parameters(TRUE))
       {
@@ -4644,7 +4644,7 @@ Prepared_statement::execute_bulk_loop(String *expanded_query,
       the error stack.
     */
 
-    if (sql_command_flags[lex->sql_command] & CF_REEXECUTION_FRAGILE)
+    if (sql_command_flags() & CF_REEXECUTION_FRAGILE)
     {
       reprepare_observer.reset_reprepare_observer();
       DBUG_ASSERT(thd->m_reprepare_observer == NULL);
@@ -4656,8 +4656,7 @@ Prepared_statement::execute_bulk_loop(String *expanded_query,
     thd->m_reprepare_observer= NULL;
 
 #ifdef WITH_WSREP
-    if (!(sql_command_flags[lex->sql_command] & CF_PS_ARRAY_BINDING_OPTIMIZED) &&
-	WSREP(thd))
+    if (!(sql_command_flags() & CF_PS_ARRAY_BINDING_OPTIMIZED) && WSREP(thd))
     {
       if (wsrep_after_statement(thd))
       {
@@ -4673,7 +4672,7 @@ Prepared_statement::execute_bulk_loop(String *expanded_query,
     else
 #endif /* WITH_WSREP */
     if (unlikely(error) &&
-        (sql_command_flags[lex->sql_command] & CF_REEXECUTION_FRAGILE) &&
+        (sql_command_flags() & CF_REEXECUTION_FRAGILE) &&
         !thd->is_fatal_error && !thd->killed &&
         reprepare_observer.is_invalidated() &&
         reprepare_observer.can_retry())