bk commit into 5.0 tree (gluh:1.1932) BUG#12905

[gluh]

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ChangeSet
  1.1932 05/09/01 13:22:51 gluh@stripped +3 -0
  Fix for bug#12905 show fields from view behaving erratically with current database
    use saved view db name in case of view

  sql/sql_show.cc
    1.273 05/09/01 13:21:42 gluh@stripped +5 -2
    Fix for bug#12905 show fields from view behaving erratically with current database
      use saved view db name in case of view

  mysql-test/t/information_schema.test
    1.55 05/09/01 13:21:42 gluh@stripped +13 -1
    Fix for bug#12905 show fields from view behaving erratically with current database
      test case

  mysql-test/r/information_schema.result
    1.79 05/09/01 13:21:42 gluh@stripped +11 -0
    Fix for bug#12905 show fields from view behaving erratically with current database
      test case

# This is a BitKeeper patch.  What follows are the unified diffs for the
# set of deltas contained in the patch.  The rest of the patch, the part
# that BitKeeper cares about, is below these diffs.
# User:	gluh
# Host:	eagle.intranet.mysql.r18.ru
# Root:	/home/gluh/MySQL/Bugs/5.0.12905

--- 1.272/sql/sql_show.cc	Fri Aug 26 12:56:16 2005
+++ 1.273/sql/sql_show.cc	Thu Sep  1 13:21:42 2005
@@ -1990,8 +1990,11 @@
       return only these and not the result code of ::process_table()
     */
     error= test(schema_table->process_table(thd, show_table_list,
-                                    table, res, show_table_list->db,
-                                    show_table_list->alias));
+                                            table, res, 
+                                            show_table_list->view ?
+                                            show_table_list->view_db.str :
+                                            show_table_list->db,
+                                            show_table_list->alias));
     close_thread_tables(thd);
     show_table_list->table= 0;
     goto err;

--- 1.78/mysql-test/r/information_schema.result	Sat Aug 27 15:29:29 2005
+++ 1.79/mysql-test/r/information_schema.result	Thu Sep  1 13:21:42 2005
@@ -979,3 +979,14 @@
 Name	Engine	Version	Row_format	Rows	Avg_row_length	Data_length	Max_data_length	Index_length	Data_free	Auto_increment	Create_time	Update_time	Check_time	Collation	Checksum	Create_options	Comment
 t1	MyISAM	10	Fixed	0	0	0	#	1024	0	NULL	#	#	NULL	latin1_swedish_ci	NULL		
 t2	MyISAM	10	Fixed	0	0	0	#	1024	0	NULL	#	#	NULL	latin1_swedish_ci	NULL		
+DROP TABLE t1,t2;
+create table t1(f1 int);
+create view v1 (c) as select f1 from t1;
+select database();
+database()
+NULL
+show fields from test.v1;
+Field	Type	Null	Key	Default	Extra
+c	int(11)	YES		NULL	
+drop view v1;
+drop table t1;

--- 1.54/mysql-test/t/information_schema.test	Thu Aug 25 14:03:13 2005
+++ 1.55/mysql-test/t/information_schema.test	Thu Sep  1 13:21:42 2005
@@ -665,4 +665,16 @@
   WHERE name IN ( SELECT TABLE_NAME FROM INFORMATION_SCHEMA.TABLES
                     WHERE TABLE_SCHEMA='test' AND TABLE_TYPE='BASE TABLE');
 
-DROP TABLE t1,t2
+DROP TABLE t1,t2;
+
+#
+# Bug #12905 show fields from view behaving erratically with current database
+#
+create table t1(f1 int);
+create view v1 (c) as select f1 from t1;
+connect (con5,localhost,root,,*NO-ONE*);
+select database();
+show fields from test.v1;
+connection default;
+drop view v1;
+drop table t1;