static bool checkIndexConstraints(OperationContext* txn,
ShardingState* shardingState,
const BatchedCommandRequest& request,
WriteOpResult* result) {
const NamespaceString nss( request.getTargetingNS() );
txn->lockState()->assertWriteLocked( nss.ns() );
if ( !request.isUniqueIndexRequest() )
return true;
if ( shardingState->enabled() ) {
CollectionMetadataPtr metadata = shardingState->getCollectionMetadata( nss.ns() );
if ( metadata ) {
if ( !isUniqueIndexCompatible( metadata->getKeyPattern(),
request.getIndexKeyPattern() ) ) {
result->setError(new WriteErrorDetail);
buildUniqueIndexError(metadata->getKeyPattern(),
request.getIndexKeyPattern(),
result->getError());
return false;
}
}
}
return true;
}
static bool checkIndexConstraints( ShardingState* shardingState,
const BatchedCommandRequest& request,
WriteErrorDetail** error ) {
const NamespaceString nss( request.getTargetingNS() );
Lock::assertWriteLocked( nss.ns() );
if ( !request.isUniqueIndexRequest() )
return true;
if ( shardingState->enabled() ) {
CollectionMetadataPtr metadata = shardingState->getCollectionMetadata( nss.ns() );
if ( metadata ) {
if ( !isUniqueIndexCompatible( metadata->getKeyPattern(),
request.getIndexKeyPattern() ) ) {
*error = new WriteErrorDetail;
buildUniqueIndexError( metadata->getKeyPattern(),
request.getIndexKeyPattern(),
*error );
return false;
}
}
}
return true;
}
static Status checkUniqueIndexConstraints(const StringData& ns,
const BSONObj& newIdxKey) {
Lock::assertWriteLocked( ns );
if ( shardingState.enabled() ) {
CollectionMetadataPtr metadata(
shardingState.getCollectionMetadata( ns.toString() ));
if ( metadata ) {
BSONObj shardKey(metadata->getKeyPattern());
if ( !isUniqueIndexCompatible( shardKey, newIdxKey )) {
return Status(ErrorCodes::CannotCreateIndex,
str::stream() << "cannot create unique index over " << newIdxKey
<< " with shard key pattern " << shardKey);
}
}
}
return Status::OK();
}