Adding mariadb-version on the view creation to view frm. (MDEV-6916 followup)

mysql-test/r/view.result

@@ -5396,6 +5396,8 @@ SELECT `f1`(1);
 DROP FUNCTION f1;
 DROP VIEW v1;
 DROP TABLE t1, t2;
+create view v1 as select 1;
+drop view v1;
 # -----------------------------------------------------------------
 # -- End of 5.5 tests.
 # -----------------------------------------------------------------

mysql-test/t/view.test

@@ -5335,6 +5335,16 @@ DROP FUNCTION f1;
 DROP VIEW v1;
 DROP TABLE t1, t2;
 
+
+create view v1 as select 1;
+
+--let $MYSQLD_DATADIR= `select @@datadir`
+--let SEARCH_FILE= $MYSQLD_DATADIR/test/v1.frm
+--let SEARCH_PATTERN=mariadb-version
+--source include/search_pattern_in_file.inc
+
+drop view v1;
+
 --echo # -----------------------------------------------------------------
 --echo # -- End of 5.5 tests.
 --echo # -----------------------------------------------------------------

sql/sql_view.cc

@@ -730,7 +730,7 @@ bool mysql_create_view(THD *thd, TABLE_LIST *views,
 
 
 /* number of required parameters for making view */
-static const int required_view_parameters= 14;
+static const int required_view_parameters= 15;
 
 /*
   table of VIEW .frm field descriptors
@@ -781,6 +781,9 @@ static File_option view_parameters[]=
  {{(char*) STRING_WITH_LEN("view_body_utf8")},
   my_offsetof(TABLE_LIST, view_body_utf8),
   FILE_OPTIONS_ESTRING},
+ {{ C_STRING_WITH_LEN("mariadb-version")},
+  my_offsetof(TABLE_LIST, mariadb_version),
+  FILE_OPTIONS_ULONGLONG},
  {{NullS, 0},			0,
   FILE_OPTIONS_STRING}
 };
@@ -877,6 +880,7 @@ static int mysql_register_view(THD *thd, TABLE_LIST *view,
   }
 
   view->file_version= 1;
+  view->mariadb_version= MYSQL_VERSION_ID;
   view->calc_md5(md5);
   if (!(view->md5.str= (char*) thd->memdup(md5, 32)))
   {

sql/table.h

@@ -1807,6 +1807,7 @@ struct TABLE_LIST
   LEX_STRING	timestamp;		/* GMT time stamp of last operation */
   st_lex_user   definer;                /* definer of view */
   ulonglong	file_version;		/* version of file's field set */
+  ulonglong	mariadb_version;	/* version of server on creation */
   ulonglong     updatable_view;         /* VIEW can be updated */
   /** 
       @brief The declared algorithm, if this is a view.