clang format updates

self-review cleanups

cpplint fix

review updates

ci fixes

Merge pull request !978 from xulei/filter_op

Merge pull request !979 from ms_yan/rename_columns

Merge pull request !507 from ZiruiWu/batch_with_padding

support for 1 specific dimension to be None, added validator

fix various CI complains

another round of CI fixes

ci

refactor parts of the code

code refactor

ci fix

comments added, fix bugs

address review comments

address review comments

review cmts

added simple perf test script

update pad code

perf imprv

Merge pull request !869 from JesseKLee/random_data_op

Merge pull request !830 from Jamie/operator_print

Merge pull request !856 from jiangzhiwen/dataset/skip_thread

fix some ci failures

more ci fixes

more ci fails

yet another ci fail

more ci stuff

still ci

more ci

more ci

more ci

Merge pull request !793 from yanghaitao/yht_err_msg_num_rows_zero

Merge pull request !671 from EricZ/master

Merge pull request !711 from ZiruiWu/mindspore_master_only

Merge pull request !736 from yanghaitao/yht_tftextfile_black_line

fix ut

Added new testcase for multi iterator

Addressing review

Fixed typo

Initial commit for dataset op python

Added signature to barrier

Adde compiling barrier code

Rebasing, fixed new compile errors

Final fix for make_unique

Added pybind API for barrier

Fixed pyfunc invocation

python interface - sync_wait

!1 sync_wait python interface
* python interface - sync_wait

fix test

update test

update test

Added new test case

add test case

test for shuffle + batch

Added two-sync test case

Restrited that no shuffle after sync

Added sync to pipeline info

block first databuffer as well

Intelligently get batch size

Fix default case

Lock Pair shares among all iterators

Added fix for empty character

Fixed up test case formatting

Fix end of epoch in sync_wait

Fixing CI

Merge pull request !483 from jiangzhiwen/dataset/skip_opt

Merge pull request !517 from xulei/filter_master

Merge pull request !406 from Peilin/first-row-crc-check

Merge pull request !460 from xulei/filter_master

Merge pull request !404 from JunhanHu/python_sampler_for_cpp_dataset

addressed code review comments. added check in python layer to exclude directories and to raise an error if a pattern does not match any file

fixed clang format

fixed cppcheck

fixed cppcheck (used std::accumulate and std::copy_if). regenerated tfrecord file to contain correct header, it was a dummy header before

fixed cppcheck: added const reference for string parameter for lambdas, fixed clang format: whitespace adjustments

more clang whitespace fixes...

changed print to logger.info

Merge pull request !425 from yanghaitao/yht_textfiledatasetv2