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由 Qiao Longfei 提交于
* add ScaleOpVarTypeInference for scale op * scale op support scale selected rows * optimize code * use FindVar * use FindVarRecursive in ScaleOpVarTypeInference
11e01d9b 
* add ScaleOpVarTypeInference for scale op * scale op support scale selected rows * optimize code * use FindVar * use FindVarRecursive in ScaleOpVarTypeInference