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author | Cheng Hao <hao.cheng@intel.com> | 2014-05-07 16:54:58 -0400 |
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committer | Reynold Xin <rxin@apache.org> | 2014-05-07 16:54:58 -0400 |
commit | ca43186867f0120c29d1b27cfee0c7ff4a107d84 (patch) | |
tree | ce57c1c8fd11b82066df452899f23400c3d229c7 /conf | |
parent | 3308722ca03f2bfa792e9a2cff9c894b967983d9 (diff) | |
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[SQL] Fix Performance Issue in data type casting
Using lazy val object instead of function in the class Cast, which improved the performance nearly by 2X in my local micro-benchmark.
Author: Cheng Hao <hao.cheng@intel.com>
Closes #679 from chenghao-intel/fix_type_casting and squashes the following commits:
71b0902 [Cheng Hao] using lazy val object instead of function for data type casting
Diffstat (limited to 'conf')
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