Function ParseNamespaceName

pg_documentdb/src/sharding/sharding.c:1883–1910

void
ParseNamespaceName(const char *namespacePath, char **databaseName, char **collectionName)
{
	StringView strView = CreateStringViewFromString(namespacePath);
	StringView databaseView = StringViewFindPrefix(&strView, '.');
	if (databaseView.length == 0)
	{
		ereport(ERROR, (errcode(ERRCODE_DOCUMENTDB_BADVALUE),
						errmsg("name needs to be fully qualified <db>.<collection>")));
	}

	if (strView.length < databaseView.length + 2)
	{
		ereport(ERROR, (errcode(ERRCODE_DOCUMENTDB_BADVALUE),
						errmsg("name needs to be fully qualified <db>.<collection>")));
	}

	StringView collectionView = StringViewSubstring(&strView, databaseView.length + 1);

	ValidateDatabaseCollection(
		PointerGetDatum(cstring_to_text_with_len(databaseView.string,
												 databaseView.length)),
		PointerGetDatum(cstring_to_text_with_len(collectionView.string,
												 collectionView.length)));

	*databaseName = pnstrdup(databaseView.string, databaseView.length);
	*collectionName = pnstrdup(collectionView.string, collectionView.length);
}


static void