void run() {
ShardKeyPattern shardKeyPattern(shardKey());
ChunkManager chunkManager("", shardKeyPattern, false);
chunkManager.setSingleChunkForShards( splitPointsVector() );
set<Shard> shards;
chunkManager.getShardsForQuery( shards, query() );
BSONArrayBuilder b;
for( set<Shard>::const_iterator i = shards.begin(); i != shards.end(); ++i ) {
b << i->getName();
}
ASSERT_EQUALS( expectedShardNames(), b.arr() );
}
static Status checkUniqueIndexConstraints(OperationContext* txn,
const StringData& ns,
const BSONObj& newIdxKey) {
txn->lockState()->assertWriteLocked( ns );
if ( shardingState.enabled() ) {
CollectionMetadataPtr metadata(
shardingState.getCollectionMetadata( ns.toString() ));
if ( metadata ) {
ShardKeyPattern shardKeyPattern(metadata->getKeyPattern());
if (!shardKeyPattern.isUniqueIndexCompatible(newIdxKey)) {
return Status(ErrorCodes::CannotCreateIndex,
str::stream() << "cannot create unique index over " << newIdxKey
<< " with shard key pattern "
<< shardKeyPattern.toBSON());
}
}
}
return Status::OK();
}
