INT32 rtnCoordDelete::buildOpMsg( const CoordCataInfoPtr &cataInfo,
const CoordSubCLlist &subCLList,
CHAR *pSrcMsg, CHAR *&pDstMsg,
INT32 &bufferSize )
{
INT32 rc = SDB_OK;
INT32 flag;
CHAR *pCollectionName = NULL;
CHAR *pDeletor = NULL;
CHAR *pHint = NULL;
BSONObj boDeletor;
BSONObj boHint;
rc = msgExtractDelete( pSrcMsg, &flag, &pCollectionName,
&pDeletor, &pHint );
PD_RC_CHECK( rc, PDERROR,
"failed to parse delete request(rc=%d)",
rc );
try
{
boDeletor = BSONObj( pDeletor );
boHint = BSONObj( pHint );
BSONArrayBuilder babSubCL;
CoordSubCLlist::const_iterator iterCL = subCLList.begin();
while( iterCL != subCLList.end() )
{
babSubCL.append( *iterCL );
++iterCL;
}
BSONObjBuilder bobNewDeletor;
bobNewDeletor.appendElements( boDeletor );
bobNewDeletor.appendArray( CAT_SUBCL_NAME, babSubCL.arr() );
BSONObj boNewDeletor = bobNewDeletor.obj();
rc = msgBuildDeleteMsg( &pDstMsg, &bufferSize, pCollectionName,
flag, 0, &boNewDeletor, &boHint );
PD_RC_CHECK( rc, PDERROR,
"failed to build delete request(rc=%d)",
rc );
{
MsgOpDelete *pReqMsg = (MsgOpDelete *)pDstMsg;
MsgOpDelete *pSrcReq = (MsgOpDelete *)pSrcMsg;
pReqMsg->version = cataInfo->getVersion();
pReqMsg->w = pSrcReq->w;
}
}
catch ( std::exception &e )
{
PD_RC_CHECK( SDB_INVALIDARG, PDERROR,
"occur unexpected error:%s",
e.what() );
}
done:
return rc;
error:
goto done;
}
BSONObj rtnCoordDelete::_buildNewDeletor( const BSONObj &deletor,
const CoordSubCLlist &subCLList )
{
BSONObjBuilder builder ;
BSONArrayBuilder babSubCL ;
CoordSubCLlist::const_iterator iterCL = subCLList.begin();
while( iterCL != subCLList.end() )
{
babSubCL.append( *iterCL ) ;
++iterCL ;
}
builder.appendElements( deletor ) ;
builder.appendArray( CAT_SUBCL_NAME, babSubCL.arr() ) ;
return builder.obj() ;
}
BSONObj _coordDeleteOperator::_buildNewDeletor( const BSONObj &deletor,
const CoordSubCLlist &subCLList )
{
BSONObjBuilder builder( deletor.objsize() +
subCLList.size() * COORD_SUBCL_NAME_DFT_LEN ) ;
builder.appendElements( deletor ) ;
/*
Append array, as { SubCLName : [ "a.a", "b.a" ] }
*/
BSONArrayBuilder babSubCL( builder.subarrayStart( CAT_SUBCL_NAME ) ) ;
CoordSubCLlist::const_iterator iterCL = subCLList.begin();
while( iterCL != subCLList.end() )
{
babSubCL.append( *iterCL ) ;
++iterCL ;
}
babSubCL.done() ;
return builder.obj() ;
}