[GitHub] [arrow-datafusion] lvheyang edited a comment on pull request #764: #723 limit pruning rule to simple expression

[GitBox <gi...@apache.org>]

lvheyang edited a comment on pull request #764:
URL: https://github.com/apache/arrow-datafusion/pull/764#issuecomment-885372817


   I've committed some e2e test cases in parquet_pruing.rs:
   
   for int32 column:
   
   1. `SELECT * FROM t where i < 1`
   2. `SELECT * FROM t where -i > -1`
   3. `SELECT * FROM t where i = 1`
   4. `SELECT * FROM t where abs(i) = 1 and i = 1` : use `i=1` as prune predicate
   5. `SELECT * FROM t where abs(i) = 1` : not supported
   6. `SELECT * FROM t where i+1 = 1` : not supported
   7. `SELECT * FROM t where 1-i > 1`: not supported
   
   for float64 column
   
   1. `SELECT * FROM t where f < 1`
   2. `SELECT * FROM t where -f > -1`
   3. `SELECT * FROM t where abs(f - 1) <= 0.000001  and f >= 0.1` : use `f>=0.1` as prune predicate
   4. `SELECT * FROM t where abs(f-1) <= 0.000001` : not supported 
   5. `SELECT * FROM t where f+1 > 1.1` : not supported 
   6. `SELECT * FROM t where 1-f > 1` : not supported
   


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