5.1-bugteam->trunk-merge merge

mysql-test/r/information_schema.result

@@ -1681,6 +1681,16 @@ COUNT(*)
 DROP USER nonpriv;
 DROP TABLE db1.t1;
 DROP DATABASE db1;
+
+Bug#54422 query with = 'variables'
+
+CREATE TABLE variables(f1 INT);
+SELECT COLUMN_DEFAULT, TABLE_NAME
+FROM INFORMATION_SCHEMA.COLUMNS
+WHERE INFORMATION_SCHEMA.COLUMNS.TABLE_NAME = 'variables';
+COLUMN_DEFAULT	TABLE_NAME
+NULL	variables
+DROP TABLE variables;
 End of 5.1 tests.
 #
 # Additional test for WL#3726 "DDL locking for all metadata objects"

mysql-test/t/information_schema.test

@@ -1416,6 +1416,15 @@ DROP USER nonpriv;
 DROP TABLE db1.t1;
 DROP DATABASE db1;
 
+--echo
+--echo Bug#54422 query with = 'variables'
+--echo
+
+CREATE TABLE variables(f1 INT);
+SELECT COLUMN_DEFAULT, TABLE_NAME
+FROM INFORMATION_SCHEMA.COLUMNS
+WHERE INFORMATION_SCHEMA.COLUMNS.TABLE_NAME = 'variables';
+DROP TABLE variables;
 
 --echo End of 5.1 tests.
 

sql/sql_show.cc

@@ -2857,7 +2857,9 @@ make_table_name_list(THD *thd, List<LEX_STRING> *table_names, LEX *lex,
   {
     if (with_i_schema)
     {
-      if (find_schema_table(thd, lookup_field_vals->table_value.str))
+      ST_SCHEMA_TABLE *schema_table=
+        find_schema_table(thd, lookup_field_vals->table_value.str);
+      if (schema_table && !schema_table->hidden)
       {
         if (table_names->push_back(&lookup_field_vals->table_value))
           return 1;