feat: update examples to use new column declaration method

Author: mchav

cabal.project

@@ -1,5 +1,6 @@
 packages:
     .
+    examples
     dataframe-fastcsv
     dataframe-hasktorch
     dataframe-persistent

examples/CaliforniaHousing.hs

@@ -24,7 +24,7 @@ import Torch
 import Data.Text (Text)
 import DataFrame.Operators
 
-$( F.declareColumnsFromCsvWithOpts
+$( D.declareColumnsFromCsvWithOpts
     (D.defaultReadOptions{D.typeSpec = D.InferFromSample 300})
     "../data/housing.csv"
  )

examples/Chipotle.hs

@@ -14,7 +14,7 @@ import Data.Text (Text)
 import DataFrame.Monad
 import DataFrame.Operators
 
-$( F.declareColumnsFromCsvWithOpts
+$( D.declareColumnsFromCsvWithOpts
     (D.defaultReadOptions{D.columnSeparator = '\t'})
     "../data/chipotle.tsv"
  )

examples/examples.cabal

@@ -7,8 +7,7 @@ synopsis: Examples for dataframe library.
 description: Examples for dataframe library.
 
 bug-reports: https://github.com/mchav/dataframe/issues
-license:            GPL-3.0-or-later
-license-file:       LICENSE
+license:            MIT
 author:             Michael Chavinda
 maintainer:         mschavinda@gmail.com
 
@@ -68,6 +67,7 @@ executable examples
                    DataFrame.IO.Parquet.Levels,
                    DataFrame.IO.Parquet.Page,
                    DataFrame.IO.Parquet.Seeking,
+                   DataFrame.IO.Parquet.Schema,
                    DataFrame.IO.Parquet.Thrift,
                    DataFrame.IO.Parquet.Time,
                    DataFrame.IO.Parquet.Utils,
@@ -94,6 +94,9 @@ executable examples
                    DataFrame.Typed.Aggregate,
                    DataFrame.Typed.TH,
                    DataFrame.Typed.Expr,
+                   DataFrame.Typed.Generic,
+                   DataFrame.Typed.Record,
+                   DataFrame.TH,
                    DataFrame.Typed
     hs-source-dirs:   .,
                       ../src,

src/DataFrame/IO/Parquet.hs

@@ -1,3 +1,4 @@
+{-# LANGUAGE CPP #-}
 {-# LANGUAGE FlexibleContexts #-}
 {-# LANGUAGE MonoLocalBinds #-}
 {-# LANGUAGE NumericUnderscores #-}
@@ -17,7 +18,11 @@ import qualified Data.ByteString as BS
 import Data.Either (fromRight)
 import Data.Functor ((<&>))
 import Data.Int (Int32, Int64)
+#if !MIN_VERSION_base(4,20,0)
 import Data.List (foldl', transpose)
+#else
+import Data.List (transpose)
+#endif
 import qualified Data.List as L
 import qualified Data.Map as Map
 import qualified Data.Text as T

src/DataFrame/IO/Parquet/Encoding.hs

@@ -16,9 +16,6 @@ import Control.Monad.ST (ST, runST)
 import Data.Bits
 import qualified Data.ByteString as BS
 import qualified Data.ByteString.Unsafe as BSU
-#if !MIN_VERSION_base(4,20,0)
-import Data.List (foldl')
-#endif
 import qualified Data.Vector.Unboxed as VU
 import qualified Data.Vector.Unboxed.Mutable as VUM
 import Data.Word

src/DataFrame/IO/Parquet/Utils.hs

@@ -47,7 +47,6 @@ import DataFrame.Internal.Column (
     buildBitmapFromValid,
     fromList,
  )
-import DataFrame.Internal.Types (SBool (..), sUnbox)
 import qualified Streamly.Data.Fold as Fold
 import Streamly.Data.Stream (Stream)
 import qualified Streamly.Data.Stream as Stream