feat: String functions resolves hablapps#71

eruizalo · Sep 20, 2021 · 12d22f9 · 12d22f9
1 parent 21bc687
commit 12d22f9
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Showing 8 changed files with 1,597 additions and 11 deletions.
diff --git a/README.md b/README.md
@@ -8,7 +8,7 @@ Type-safe columns for DataFrames!
 ![Maven Central](https://img.shields.io/maven-central/v/org.hablapps/doric_2.12)
 
 Doric offers type-safety in DataFrame column expressions at a minimum
-cost, without compromising performace. In particular, doric allows you
+cost, without compromising performance. In particular, doric allows you
 to:
 
 * Get rid of malformed column expressions at compile time

diff --git a/src/main/scala/doric/syntax/CommonColumns.scala b/src/main/scala/doric/syntax/CommonColumns.scala
@@ -60,11 +60,21 @@ trait CommonColumns extends ColGetters[DoricColumn] {
       * @param other
       *   the column to compare
       * @return
-      *   a reference to a Boolean DoricColumn whit the comparation
+      *   a reference to a Boolean DoricColumn with the comparation
       */
     def ===(other: DoricColumn[T]): BooleanColumn =
       (column.elem, other.elem).mapN(_ === _).toDC
 
+    /**
+      * Type safe distinct between Columns
+      * @param other
+      *   the column to compare
+      * @return
+      *   a reference to a Boolean DoricColumn with the comparation
+      */
+    def =!=(other: DoricColumn[T]): BooleanColumn =
+      (column.elem, other.elem).mapN(_ =!= _).toDC
+
     /**
       * Pipes the column with the provided transformation
       * @param f