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BUG10365 Cluster handler uses non-standard error code

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- Updated after review


sql/ha_ndbcluster.cc:
  Return -1 if table does not exists
sql/handler.cc:
  Return -1 if table does not exists
  Return 0 if table exists and it could be created
  Return >0 if table existed but it could not be created.
sql/sql_base.cc:
  Only need to call ha_create_table_from_engine and check if result is > 0. If that is the case, print error message
This commit is contained in:
unknown
2005-06-16 15:17:47 +02:00
parent 09944efd71
commit d18e5622eb
3 changed files with 12 additions and 11 deletions
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2
sql/ha_ndbcluster.cc
View File

@ -4300,7 +4300,7 @@ int ndbcluster_discover(THD* thd, const char *db, const char *name,
{
const NdbError err= dict->getNdbError();
if (err.code == 709)
DBUG_RETURN(1);
DBUG_RETURN(-1);
ERR_RETURN(err);
}
DBUG_PRINT("info", ("Found table %s", tab->getName()));

18
sql/handler.cc
View File

@ -1340,8 +1340,9 @@ int ha_create_table(const char *name, HA_CREATE_INFO *create_info,
if found, write the frm file to disk.
RETURN VALUES:
-1 : Table did not exists
0 : Table created ok
1 : Table could not be created
> 0 : Error, table existed but could not be created
*/
@ -1361,10 +1362,10 @@ int ha_create_table_from_engine(THD* thd,
bzero((char*) &create_info,sizeof(create_info));
if(ha_discover(thd, db, name, &frmblob, &frmlen))
if(error= ha_discover(thd, db, name, &frmblob, &frmlen))
{
// Table could not be discovered and thus not created
DBUG_RETURN(1);
DBUG_RETURN(error);
}
/*
@ -1377,11 +1378,11 @@ int ha_create_table_from_engine(THD* thd,
if (writefrm(path, frmblob, frmlen))
{
my_free((char*) frmblob, MYF(MY_ALLOW_ZERO_PTR));
DBUG_RETURN(1);
DBUG_RETURN(2);
}
if (openfrm(path,"",0,(uint) READ_ALL, 0, &table))
DBUG_RETURN(1);
DBUG_RETURN(3);
update_create_info_from_table(&create_info, &table);
create_info.table_options|= HA_CREATE_FROM_ENGINE;
@ -1506,14 +1507,15 @@ int ha_change_key_cache(KEY_CACHE *old_key_cache,
Try to discover one table from handler(s)
RETURN
0 ok. In this case *frmblob and *frmlen are set
>=1 error. frmblob and frmlen may not be set
-1 : Table did not exists
0 : OK. In this case *frmblob and *frmlen are set
>0 : error. frmblob and frmlen may not be set
*/
int ha_discover(THD *thd, const char *db, const char *name,
const void **frmblob, uint *frmlen)
{
int error= 1; // Table does not exist in any handler
int error= -1; // Table does not exist in any handler
DBUG_ENTER("ha_discover");
DBUG_PRINT("enter", ("db: %s, name: %s", db, name));
#ifdef HAVE_NDBCLUSTER_DB

3
sql/sql_base.cc
View File

@ -1376,8 +1376,7 @@ static int open_unireg_entry(THD *thd, TABLE *entry, const char *db,
*/
if (discover_retry_count++ != 0)
goto err;
if (ha_table_exists_in_engine(thd, db, name) &&
ha_create_table_from_engine(thd, db, name))
if (ha_create_table_from_engine(thd, db, name) > 0)
{
/* Give right error message */
thd->clear_error();