:: DeveloperApi :: Thrown when a query fails to analyze, usually because the query itself is invalid.
:: Experimental ::
Used to convert a JVM object of type
T to and from the internal Spark SQL representation.
Represents one row of output from a relational operator.
:: Experimental :: Methods for creating an Encoder.
Catalyst is a library for manipulating relational query plans.
Contains a type system for attributes produced by relations, including complex types like structs, arrays and maps.