[[esql-conditional-functions-and-expressions]] ==== {esql} conditional functions and expressions ++++ Conditional functions and expressions ++++ Conditional functions return one of their arguments by evaluating in an if-else manner. {esql} supports these conditional functions: // tag::cond_list[] * <> * <> * <> * <> // end::cond_list[] include::case.asciidoc[] include::coalesce.asciidoc[] include::greatest.asciidoc[] include::least.asciidoc[]