fix for column names with line break

Author: AndreiKingsley

core/src/main/kotlin/org/jetbrains/kotlinx/dataframe/codeGen/GeneratedField.kt

@@ -130,6 +130,8 @@ public class ValidFieldName private constructor(private val identifier: String,
                     .replace("`", "'")
                     .replace(";", " ")
                     .replace("\\", " ")
+                    .replace("\n", " ")
+                    .replace("\r", " ")
             }
 
             return ValidFieldName(result, needsQuote)

core/src/main/kotlin/org/jetbrains/kotlinx/dataframe/impl/codeGen/CodeGeneratorImpl.kt

@@ -247,6 +247,8 @@ internal open class ExtensionsCodeGeneratorImpl(private val typeRendering: TypeR
             .replace("\\", "\\\\")
             .replace("$", "\\\$")
             .replace("\"", "\\\"")
+            .replace("\n", "\\n")
+            .replace("\r", "\\r")
 
     private fun String.removeQuotes() = this.removeSurrounding("`")