GitHub user rxin opened a pull request:
https://github.com/apache/spark/pull/16133
[SPARK-18702][SQL] input_file_block_start and input_file_block_length
## What changes were proposed in this pull request?
We currently have function input_file_name to get the path of the input
file, but don't have functions to get the block start offset and length. This
patch introduces two functions:
1. input_file_block_start: returns the file block start offset, or -1 if
not available.
2. input_file_block_length: returns the file block length, or -1 if not
available.
## How was this patch tested?
Updated existing test cases in ColumnExpressionSuite that covered
input_file_name to also cover the two new functions.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/rxin/spark SPARK-18702
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/16133.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #16133
----
commit 7713ebe2f2f2703544b964157f2ae60da48a22a0
Author: Reynold Xin <r...@databricks.com>
Date: 2016-12-04T05:40:21Z
[SPARK-18702][SQL] input_file_block_start and input_file_block_length
function
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