## {{esql}} conditional functions and expressions [esql-conditional-functions-and-expressions]


Conditional functions return one of their arguments by evaluating in an if-else manner. {{esql}} supports these conditional functions:

:::{include} lists/conditional-functions-and-expressions.md
:::


:::{include} functions/case.md
:::

:::{include} functions/coalesce.md
:::

:::{include} functions/greatest.md
:::

:::{include} functions/least.md
:::