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Next big patch for loadable storage engines!

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Handlerton array is now created instead of using sys_table_types_st. All storage engines can now have inits and giant ifdef's are now gone for startup. No compeltely clean yet, handlertons will next be merged with sys_table_types. Federated and archive now have real cleanup if their inits fail. 


sql/examples/ha_archive.cc:
  Modifications for new ha_init code. The init method now checks for errors and will not start up if the errors occur.
sql/examples/ha_archive.h:
  Change for new init method.
sql/examples/ha_example.cc:
  New handlerton pieces.
sql/examples/ha_tina.cc:
  New handlerton pieces.
sql/ha_berkeley.cc:
  New handlerton pieces, plus changes for ha_init changes. I'm not happy with our current "skip" setup.
sql/ha_berkeley.h:
  Change in init return.
sql/ha_blackhole.cc:
  Changes for new handlerton pieces.
sql/ha_federated.cc:
  Changes for new handlerton and true cleanup code.
sql/ha_heap.cc:
  Changes for new handlerton returns.
sql/ha_innodb.cc:
  Changes for handlerton code.
sql/ha_innodb.h:
  Change in init.
sql/ha_myisam.cc:
  Changes for additional handlerton bits.
sql/ha_myisammrg.cc:
  Changes for  new handlerton bits.
sql/ha_ndbcluster.cc:
  Changes for new handlerton bits.
sql/ha_ndbcluster.h:
  Changes for handlerton bits.
sql/handler.cc:
  Changes for ditching show_table_type_st types, and collapsing it into a handlerton array. The ha_init now just loops through all handlers to init (much cleaner...). handlertons and sys_table_types should be merged next.
sql/handler.h:
  Additions for sys_table_types
sql/log.cc:
  Clean up of binlog for changes in handlerton
sql/mysql_priv.h:
  Removed unneeded define for binlog_init
sql/sql_show.cc:
  Changes for change in handlerton to sys_table_types
This commit is contained in:
unknown 2005-10-02 19:44:28 -07:00
commit 5655d31d5f
20 changed files with 245 additions and 240 deletions
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21
sql/ha_innodb.cc
View file

@ -208,6 +208,10 @@ static int innobase_release_savepoint(THD* thd, void *savepoint);
handlerton innobase_hton = {
"InnoDB",
SHOW_OPTION_YES,
"Supports transactions, row-level locking, and foreign keys",
DB_TYPE_INNODB,
innobase_init,
0, /* slot */
sizeof(trx_named_savept_t), /* savepoint size. TODO: use it */
innobase_close_connection,
@ -1188,7 +1192,7 @@ ha_innobase::init_table_handle_for_HANDLER(void)
/*************************************************************************
Opens an InnoDB database. */
handlerton*
bool
innobase_init(void)
/*===============*/
/* out: TRUE if error */
@ -1200,6 +1204,9 @@ innobase_init(void)
DBUG_ENTER("innobase_init");
if (have_innodb != SHOW_OPTION_YES)
goto error;
ut_a(DATA_MYSQL_TRUE_VARCHAR == (ulint)MYSQL_TYPE_VARCHAR);
os_innodb_umask = (ulint)my_umask;
@ -1267,7 +1274,7 @@ innobase_init(void)
"InnoDB: syntax error in innodb_data_file_path");
my_free(internal_innobase_data_file_path,
MYF(MY_ALLOW_ZERO_PTR));
DBUG_RETURN(0);
goto error;
}
/* -------------- Log files ---------------------------*/
@ -1298,7 +1305,7 @@ innobase_init(void)
my_free(internal_innobase_data_file_path,
MYF(MY_ALLOW_ZERO_PTR));
DBUG_RETURN(0);
goto error;
}
/* --------------------------------------------------*/
@ -1386,7 +1393,7 @@ innobase_init(void)
if (err != DB_SUCCESS) {
my_free(internal_innobase_data_file_path,
MYF(MY_ALLOW_ZERO_PTR));
DBUG_RETURN(0);
goto error;
}
(void) hash_init(&innobase_open_tables,system_charset_info, 32, 0, 0,
@ -1413,7 +1420,11 @@ innobase_init(void)
glob_mi.pos = trx_sys_mysql_master_log_pos;
}
*/
DBUG_RETURN(&innobase_hton);
DBUG_RETURN(FALSE);
error:
have_innodb= SHOW_OPTION_DISABLED; // If we couldn't use handler
innobase_hton.state= SHOW_OPTION_DISABLED;
DBUG_RETURN(TRUE);
}
/***********************************************************************