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pp2021:project [2021/03/04 14:33]
pdmatei
pp2021:project [2021/03/04 19:24] (current)
pdmatei
Line 20: Line 20:
 data Query = data Query =
   FromCSV String ​                                    -- extract a table   FromCSV String ​                                    -- extract a table
-   | ToCSV+   | ToCSV Query
    | AsList Query                                 -- a column is turned into a list of values    | AsList Query                                 -- a column is turned into a list of values
    | forall a. Filter (FilterCondition a) Query    | forall a. Filter (FilterCondition a) Query
Line 34: Line 34:
    | HUnion Query Query                           -- '​horizontal union qlues' with zero logic more columns. TableJoin is the smart alternative    | HUnion Query Query                           -- '​horizontal union qlues' with zero logic more columns. TableJoin is the smart alternative
    | NameDistanceQuery ​                           -- dedicated name query    | NameDistanceQuery ​                           -- dedicated name query
 +
 +data QResult = CSV String | Table [[String]] | List [String]
 +
 </​code>​ </​code>​