INT32 _coordShardKicker::_kickShardingKey( const string &collectionName,
const BSONObj &updator,
BSONObj &newUpdator,
BOOLEAN &isChanged,
pmdEDUCB *cb,
BOOLEAN keepShardingKey )
{
INT32 rc = SDB_OK ;
CoordCataInfoPtr cataPtr ;
BOOLEAN hasShardingKey = FALSE ;
rc = _pResource->getOrUpdateCataInfo( collectionName.c_str(),
cataPtr,
cb ) ;
if ( SDB_CLS_COORD_NODE_CAT_VER_OLD == rc )
{
rc = SDB_OK ;
goto done ;
}
else if ( rc )
{
PD_LOG( PDERROR, "Update collection[%s]'s catalog info failed, "
"rc: %d", collectionName.c_str(), rc ) ;
goto error ;
}
if ( !cataPtr->isSharded() )
{
goto done ;
}
rc = _kickShardingKey( cataPtr, updator, newUpdator,
hasShardingKey ) ;
if ( rc )
{
goto error ;
}
if ( keepShardingKey )
{
if ( 1 != cataPtr->getGroupNum() && hasShardingKey )
{
rc = SDB_UPDATE_SHARD_KEY ;
PD_LOG( PDERROR, "When the partition cl falls on two or "
"more groups, the update rule don't allow sharding"
" key. rc: %d", rc ) ;
goto error ;
}
}
else
{
if ( hasShardingKey )
{
isChanged = TRUE ;
}
}
done:
return rc ;
error:
goto done ;
}
