Merge branch 'master' into spark-3.3

README.md

@@ -5,13 +5,13 @@
 Adding Quenya-DSL dependency to your sbt build:
 
 ```
-libraryDependencies += "com.github.music-of-the-ainur" %% "quenya-dsl" % "1.2.2-3.3"
+libraryDependencies += "com.github.music-of-the-ainur" %% "quenya-dsl" % "1.2.2-$SPARK_VERSION"
 ```
 
 To run in spark-shell:
 
 ```
-spark-shell --packages "com.github.music-of-the-ainur:quenya-dsl_2.13:1.2.2-3.3"
+spark-shell --packages "com.github.music-of-the-ainur:quenya-dsl_2.12:1.2.0-$SPARK_VERSION"
 ```
 
 
@@ -161,6 +161,18 @@ val quenyaDsl = QuenyaDSL
 quenyaDsl.printDsl(df)
 ```
 
+### getDsl
+You can generate and asssign a DSL to variable based on a DataFrame:
+
+```scala
+import com.github.music.of.the.ainur.quenya.QuenyaDSL
+
+val df:DataFrame = ...
+val quenyaDsl = QuenyaDSL
+val dsl = quenyaDsl.getDsl(df)
+```
+
+
 json:
 ```
 { 
@@ -256,7 +268,6 @@ race$race:StringType
  | DoubleType | FloatType | ByteType | IntegerType | LongType | ShortType
 ```
 
-
 ## Author
 Daniel Mantovani [[email protected]](mailto:[email protected])