Validation in shape functions of Dataset ops (#18680)
* Add shape check for PrependFromQueueAndPaddedBatchDataset
Signed-off-by: Yong Tang <yong.tang.github@outlook.com>
* Add comment for shape check
Signed-off-by: Yong Tang <yong.tang.github@outlook.com>
* Add shape check for FixedLengthRecordDataset
Signed-off-by: Yong Tang <yong.tang.github@outlook.com>
* Add check for filenames as well
Signed-off-by: Yong Tang <yong.tang.github@outlook.com>
* Clang-format -i --style=google for file format
Signed-off-by: Yong Tang <yong.tang.github@outlook.com>
* Add shape check for SqlDataset
Signed-off-by: Yong Tang <yong.tang.github@outlook.com>