WL1424 Multiple MySQL Servers: SHOW TABLES etc. should detect new and delete old tables.

include/my_base.h:
  Added new bit to table create options
  Removed old error code HA_ERR_OLD_METADAT and reused it for HA_ERR_NO_SUCH_TABLE.
mysql-test/r/ndb_autodiscover.result:
  Updated test cases
mysql-test/t/ndb_autodiscover.test:
  Updated test cases
mysql-test/t/ndb_autodiscover2.test:
  Updated test cases
sql/discover.cc:
  Moved function create_table_from_handler to handler.cc
sql/ha_ndbcluster.cc:
  Improved discover functionality
  Added .ndb file
  Changed error code mappings for a table that does not exist in engine
  Check for ndb object in THD
  Updated ndbcluster_discover, ndbcluster_list_tables and ndbcluster_can_discover
sql/ha_ndbcluster.h:
  Improved discover
sql/handler.cc:
  Added new error message mapping.
  Moved function ha_create_table_from_engine to handler level
  Added new functions ha_can_discover, ha_list_tables and ha_table_exists
sql/handler.h:
  Added new error message mapping.
  Moved function ha_create_table_from_engine to handler level
  Added new functions ha_can_discover, ha_list_tables and ha_table_exists
sql/mysql_priv.h:
  Removed create_table_from_handler, moved to handler.h
sql/sql_base.cc:
  Renamed function create_table_from_handler
sql/sql_show.cc:
  Added new function mysql_discover_files and mysql_list_files. 
  Modified mysql_find_files to discover new and delete "old" files/tables.
sql/sql_table.cc:
  Renamed create_table_from_handler
  Call ha_create_table_from_engine, in order to discover the the frm file before it can be dropped.
sql/table.cc:
  Added mapping of the error code HA_ERR_NO_SUCH_TABLE

1 files changed, 7 insertions, 1 deletions

diff --git a/sql/handler.h b/sql/handler.h
index e3a3b25e1cb..2e99151d257 100644
--- a/sql/handler.h
+++ b/sql/handler.h
@@ -532,6 +532,8 @@ void ha_close_connection(THD* thd);
 enum db_type ha_checktype(enum db_type database_type);
 int ha_create_table(const char *name, HA_CREATE_INFO *create_info,
 		    bool update_create_info);
+int ha_create_table_from_engine(THD* thd, const char *db, const char *name,
+				bool create_if_found);
 int ha_delete_table(enum db_type db_type, const char *path);
 void ha_drop_database(char* path);
 int ha_init_key_cache(const char *name, KEY_CACHE *key_cache);
@@ -553,5 +555,9 @@ bool ha_flush_logs(void);
 int ha_enable_transaction(THD *thd, bool on);
 int ha_change_key_cache(KEY_CACHE *old_key_cache,
 			KEY_CACHE *new_key_cache);
-int ha_discover(const char* dbname, const char* name,
+int ha_discover(THD* thd, const char* dbname, const char* name,
 		const void** frmblob, uint* frmlen);
+int ha_list_tables(THD* thd, HASH *tables, const char* db);
+int ha_table_exists(THD* thd, const char* db, const char* name);
+int ha_can_discover(THD* thd, const char* name);
+