Structure for a SourceStream coming from compiled content
For multiple values per keys, this optimizer flattens all values for keys to have constant access
NOT thread safe.
NOT thread safe. Do not call from executors.
General purpose key value parser from source Currently read only text files
General purpose line parser from source Currently read only text files
General purpose line parser from source Currently read only text files
General purpose tuple parser from source Currently read only text files
General purpose tuple parser from source Currently read only text files
General purpose read saved Parquet Currently read only Parquet format
Helper one-place for IO management. Streams, source and external input should be handled from here