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| author | Davies Liu <davies@databricks.com> | 2015-08-18 20:39:59 -0700 |
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| committer | Davies Liu <davies.liu@gmail.com> | 2015-08-18 20:39:59 -0700 |
| commit | 270ee677750a1f2adaf24b5816857194e61782ff (patch) | |
| tree | f2558ee6b72355c1d3e457bf08558037a8df6e6c /docs/programming-guide.md | |
| parent | bf32c1f7f47dd907d787469f979c5859e02ce5e6 (diff) | |
| download | spark-270ee677750a1f2adaf24b5816857194e61782ff.tar.gz spark-270ee677750a1f2adaf24b5816857194e61782ff.tar.bz2 spark-270ee677750a1f2adaf24b5816857194e61782ff.zip | |
[SPARK-10095] [SQL] use public API of BigInteger
In UnsafeRow, we use the private field of BigInteger for better performance, but it actually didn't contribute much (3% in one benchmark) to end-to-end runtime, and make it not portable (may fail on other JVM implementations).
So we should use the public API instead.
cc rxin
Author: Davies Liu <davies@databricks.com>
Closes #8286 from davies/portable_decimal.
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