Merge bk-internal.mysql.com:/home/bk/mysql-5.0

into mysql.com:/home/my/mysql-5.0

mysql-test/r/information_schema.result

@@ -49,7 +49,6 @@ TABLE_PRIVILEGES
 COLUMN_PRIVILEGES
 TABLE_CONSTRAINTS
 KEY_COLUMN_USAGE
-TABLE_NAMES
 columns_priv
 db
 func
@@ -78,7 +77,6 @@ c	table_name
 TABLES	TABLES
 TABLE_PRIVILEGES	TABLE_PRIVILEGES
 TABLE_CONSTRAINTS	TABLE_CONSTRAINTS
-TABLE_NAMES	TABLE_NAMES
 tables_priv	tables_priv
 time_zone	time_zone
 time_zone_leap_second	time_zone_leap_second
@@ -96,7 +94,6 @@ c	table_name
 TABLES	TABLES
 TABLE_PRIVILEGES	TABLE_PRIVILEGES
 TABLE_CONSTRAINTS	TABLE_CONSTRAINTS
-TABLE_NAMES	TABLE_NAMES
 tables_priv	tables_priv
 time_zone	time_zone
 time_zone_leap_second	time_zone_leap_second
@@ -577,7 +574,6 @@ Tables_in_information_schema (T%)	Table_type
 TABLES	TEMPORARY
 TABLE_PRIVILEGES	TEMPORARY
 TABLE_CONSTRAINTS	TEMPORARY
-TABLE_NAMES	TEMPORARY
 create table t1(a int);
 ERROR 42S02: Unknown table 't1' in information_schema
 use test;
@@ -589,7 +585,23 @@ Tables_in_information_schema (T%)
 TABLES
 TABLE_PRIVILEGES
 TABLE_CONSTRAINTS
-TABLE_NAMES
+select table_name from tables where table_name='user';
+table_name
+user
+select column_name, privileges from columns
+where table_name='user' and column_name like '%o%';
+column_name	privileges
+Host	select,insert,update,references
+Password	select,insert,update,references
+Drop_priv	select,insert,update,references
+Reload_priv	select,insert,update,references
+Shutdown_priv	select,insert,update,references
+Process_priv	select,insert,update,references
+Show_db_priv	select,insert,update,references
+Lock_tables_priv	select,insert,update,references
+Show_view_priv	select,insert,update,references
+max_questions	select,insert,update,references
+max_connections	select,insert,update,references
 use test;
 create function sub1(i int) returns int
 return i+1;
@@ -627,3 +639,5 @@ constraint_name
 drop view t2;
 drop view t3;
 drop table t4;
+select * from information_schema.table_names;
+ERROR 42S02: Unknown table 'table_names' in information_schema

mysql-test/t/information_schema.test

@@ -293,6 +293,13 @@ show tables;
 use information_schema;
 show tables like "T%";
 
+#
+# Bug#7210: information_schema: can't access when table-name = reserved word
+#
+select table_name from tables where table_name='user';
+select column_name, privileges from columns
+where table_name='user' and column_name like '%o%';
+
 #
 # Bug#7212: information_schema: "Can't find file" errors if storage engine gone
 # Bug#7211: information_schema: crash if bad view
@@ -318,3 +325,9 @@ where table_schema='test';
 drop view t2;
 drop view t3;
 drop table t4;
+
+#
+# Bug#7213: information_schema: redundant non-standard TABLE_NAMES table
+#
+--error 1109
+select * from information_schema.table_names;

sql/sql_parse.cc

@@ -1583,6 +1583,15 @@ bool dispatch_command(enum enum_server_command command, THD *thd,
 			packet, (uint) (pend-packet), thd->charset());
     table_list.alias= table_list.real_name= conv_name.str;
     packet= pend+1;
+
+    if (!my_strcasecmp(system_charset_info, table_list.db,
+                       information_schema_name.str))
+    {
+      ST_SCHEMA_TABLE *schema_table= find_schema_table(thd, table_list.alias);
+      if (schema_table)
+        table_list.schema_table= schema_table;
+    }
+
     /*  command not cachable => no gap for data base name */
     if (!(thd->query=fields=thd->memdup(packet,thd->query_length+1)))
       break;
@@ -5265,7 +5274,9 @@ TABLE_LIST *st_select_lex::add_table_to_list(THD *thd,
                      information_schema_name.str))
   {
     ST_SCHEMA_TABLE *schema_table= find_schema_table(thd, ptr->real_name);
-    if (!schema_table)
+    if (!schema_table ||
+        (schema_table->hidden && 
+         lex->orig_sql_command == SQLCOM_END))  // not a 'show' command
     {
       my_error(ER_UNKNOWN_TABLE, MYF(0),
                ptr->real_name, information_schema_name.str);

sql/sql_show.cc

@@ -1976,6 +1976,8 @@ int schema_tables_add(THD *thd, List<char> *files, const char *wild)
   ST_SCHEMA_TABLE *tmp_schema_table= schema_tables;
   for ( ; tmp_schema_table->table_name; tmp_schema_table++)
   {
+    if (tmp_schema_table->hidden)
+      continue;
     if (wild)
     {
       if (lower_case_table_names)
@@ -3688,38 +3690,38 @@ ST_FIELD_INFO table_names_fields_info[]=
 ST_SCHEMA_TABLE schema_tables[]=
 {
   {"SCHEMATA", schema_fields_info, create_schema_table,
-   fill_schema_shemata, make_schemata_old_format, 0, 1, -1},
+   fill_schema_shemata, make_schemata_old_format, 0, 1, -1, 0},
   {"TABLES", tables_fields_info, create_schema_table, 
-   get_all_tables, make_old_format, get_schema_tables_record, 1, 2},
+   get_all_tables, make_old_format, get_schema_tables_record, 1, 2, 0},
   {"COLUMNS", columns_fields_info, create_schema_table, 
-   get_all_tables, make_columns_old_format, get_schema_column_record, 1, 2},
+   get_all_tables, make_columns_old_format, get_schema_column_record, 1, 2, 0},
   {"CHARACTER_SETS", charsets_fields_info, create_schema_table, 
-   fill_schema_charsets, make_character_sets_old_format, 0, -1, -1},
+   fill_schema_charsets, make_character_sets_old_format, 0, -1, -1, 0},
   {"COLLATIONS", collation_fields_info, create_schema_table, 
-   fill_schema_collation, make_old_format, 0, -1, -1},
+   fill_schema_collation, make_old_format, 0, -1, -1, 0},
   {"COLLATION_CHARACTER_SET_APPLICABILITY", coll_charset_app_fields_info,
-   create_schema_table, fill_schema_coll_charset_app, 0, 0, -1, -1},
+   create_schema_table, fill_schema_coll_charset_app, 0, 0, -1, -1, 0},
   {"ROUTINES", proc_fields_info, create_schema_table, 
-    fill_schema_proc, make_proc_old_format, 0, -1, -1},
+    fill_schema_proc, make_proc_old_format, 0, -1, -1, 0},
   {"STATISTICS", stat_fields_info, create_schema_table, 
-    get_all_tables, make_old_format, get_schema_stat_record, 1, 2},
+    get_all_tables, make_old_format, get_schema_stat_record, 1, 2, 0},
   {"VIEWS", view_fields_info, create_schema_table, 
-    get_all_tables, 0, get_schema_views_record, 1, 2},
+    get_all_tables, 0, get_schema_views_record, 1, 2, 0},
   {"USER_PRIVILEGES", user_privileges_fields_info, create_schema_table, 
-    fill_schema_user_privileges, 0, 0, -1, -1},
+    fill_schema_user_privileges, 0, 0, -1, -1, 0},
   {"SCHEMA_PRIVILEGES", schema_privileges_fields_info, create_schema_table,
-    fill_schema_schema_privileges, 0, 0, -1, -1},
+    fill_schema_schema_privileges, 0, 0, -1, -1, 0},
   {"TABLE_PRIVILEGES", table_privileges_fields_info, create_schema_table,
-    fill_schema_table_privileges, 0, 0, -1, -1},
+    fill_schema_table_privileges, 0, 0, -1, -1, 0},
   {"COLUMN_PRIVILEGES", column_privileges_fields_info, create_schema_table,
-    fill_schema_column_privileges, 0, 0, -1, -1},
+    fill_schema_column_privileges, 0, 0, -1, -1, 0},
   {"TABLE_CONSTRAINTS", table_constraints_fields_info, create_schema_table,
-    get_all_tables, 0, get_schema_constraints_record, 3, 4},
+    get_all_tables, 0, get_schema_constraints_record, 3, 4, 0},
   {"KEY_COLUMN_USAGE", key_column_usage_fields_info, create_schema_table,
-    get_all_tables, 0, get_schema_key_column_usage_record, 4, 5},
+    get_all_tables, 0, get_schema_key_column_usage_record, 4, 5, 0},
   {"TABLE_NAMES", table_names_fields_info, create_schema_table,
-   get_all_tables, make_table_names_old_format, 0, 1, 2},
+   get_all_tables, make_table_names_old_format, 0, 1, 2, 1},
-  {0, 0, 0, 0, 0, 0, 0, 0}
+  {0, 0, 0, 0, 0, 0, 0, 0, 0}
 };
 
 

sql/sql_yacc.yy

@@ -6885,6 +6885,7 @@ keyword:
 	| CLIENT_SYM		{}
 	| CLOSE_SYM		{}
 	| COLLATION_SYM		{}
+        | COLUMNS               {}
 	| COMMENT_SYM		{}
 	| COMMITTED_SYM		{}
 	| COMMIT_SYM		{}
@@ -7006,6 +7007,7 @@ keyword:
 	| POLYGON		{}
         | PREPARE_SYM           {}
 	| PREV_SYM		{}
+        | PRIVILEGES            {}
 	| PROCESS		{}
 	| PROCESSLIST_SYM	{}
 	| QUARTER_SYM		{}
@@ -7057,6 +7059,7 @@ keyword:
 	| SUBDATE_SYM		{}
 	| SUBJECT_SYM		{}
 	| SUPER_SYM		{}
+        | TABLES                {}
 	| TABLESPACE		{}
 	| TEMPORARY		{}
 	| TEMPTABLE_SYM		{}

sql/table.h

@@ -254,6 +254,7 @@ typedef struct st_schema_table
                         TABLE *table, bool res, const char *base_name,
                         const char *file_name);
   int idx_field1, idx_field2; 
+  bool hidden;
 } ST_SCHEMA_TABLE;