[GitHub] [arrow-datafusion] liukun4515 removed a comment on issue #1545: decimal support for agg function

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liukun4515 removed a comment on issue #1545:
URL: https://github.com/apache/arrow-datafusion/issues/1545#issuecomment-1010726661


   > @liukun4515 I have added more functions and am planning to add a few in the next few days. Here are the list, please add as tasks:
   > 
   > covar(col1, col2): calculate the covariance (sample) of col1 and col2
   > 
   > covar_samp(col1, col2): calculate the covariance (sample) of col1 and col2
   > 
   > covar_pop(col1, col2): calculate the covariance (population) of col1 and col2
   > 
   > corr(col1, col2): calculate the correlation coefficient (sample) of col1 and col2
   > 
   > corr_samp(col1, col2): calculate the correlation coefficient (sample) of col1 and col2
   > 
   > corr_pop(col1, col2): calculate the correlation coefficient (population) of col1 and col2
   > 
   > median(col1): calculate the median of col1
   
   @realno The list of function are not agg function, and they are the builtin-function for datafusion.
   Now the decimal is not supported in the builtin-function.
   I will support them with decimal data when refactoring this model.
   
   I will file a new issue to track builtin-function.


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