Retrieves a column with the provided name and the provided type.
Retrieves a column with the provided name and the provided type.
the expected type of the column
the name of the column to find.
error location.
the column reference
Retrieves a column with the provided name expecting it to be of array of T type.
Retrieves a column with the provided name expecting it to be of array of T type.
the type of the elements of the array.
the name of the column to find.
error location.
the array of T column reference.
Retrieves a column with the provided name expecting it to be of array of integers type.
Retrieves a column with the provided name expecting it to be of array of integers type.
the name of the column to find.
error location.
the array of integers column reference.
Retrieves a column with the provided name expecting it to be of array of string type.
Retrieves a column with the provided name expecting it to be of array of string type.
the name of the column to find.
error location.
the array of string column reference.
Retrieves a column with the provided name expecting it to be of array of bytes type.
Retrieves a column with the provided name expecting it to be of array of bytes type.
the name of the column to find.
error location.
the binary column reference.
Retrieves a column with the provided name expecting it to be of double type.
Retrieves a column with the provided name expecting it to be of double type.
the name of the column to find.
error location.
the long column reference
Retrieves a column with the provided name expecting it to be of Date type.
Retrieves a column with the provided name expecting it to be of Date type.
the name of the column to find.
error location.
the Date column reference
Retrieves a column with the provided name expecting it to be of double type.
Retrieves a column with the provided name expecting it to be of double type.
the name of the column to find.
error location.
the double column reference
Retrieves a column with the provided name expecting it to be of float type.
Retrieves a column with the provided name expecting it to be of float type.
the name of the column to find.
error location.
the float column reference
Retrieves a column of the provided dataframe.
Retrieves a column of the provided dataframe. Useful to prevent column ambiguity errors.
the type of the doric column.
the name of the column to find.
the dataframe to force the column.
error location.
the column of type T column reference.
Retrieves a column with the provided name expecting it to be of instant type.
Retrieves a column with the provided name expecting it to be of instant type.
the name of the column to find.
error location.
the instant column reference
Retrieves a column with the provided name expecting it to be of integer type.
Retrieves a column with the provided name expecting it to be of integer type.
the name of the column to find.
error location.
the integer column reference
Retrieves a column with the provided name expecting it to be of LocalDate type.
Retrieves a column with the provided name expecting it to be of LocalDate type.
the name of the column to find.
error location.
the LocalDate column reference
Retrieves a column with the provided name expecting it to be of long type.
Retrieves a column with the provided name expecting it to be of long type.
the name of the column to find.
error location.
the long column reference
Retrieves a column with the provided name expecting it to be of map type.
Retrieves a column with the provided name expecting it to be of map type.
the type of the keys of the map.
the type of the values of the map.
the name of the column to find.
error location.
the map column reference.
Retrieves a column with the provided name expecting it to be of map type.
Retrieves a column with the provided name expecting it to be of map type.
the type of the values of the map.
the name of the column to find.
error location.
the map column reference.
Retrieves a column with the provided name expecting it to be of null type.
Retrieves a column with the provided name expecting it to be of null type.
the name of the column to find.
error location.
the null column reference
Retrieves a column with the provided name expecting it to be of string type.
Retrieves a column with the provided name expecting it to be of string type.
the name of the column to find.
error location.
the string column reference
Retrieves a column with the provided name expecting it to be of struct type.
Retrieves a column with the provided name expecting it to be of struct type.
the name of the column to find.
error location.
the struct column reference.
Retrieves a column with the provided name expecting it to be of Timestamp type.
Retrieves a column with the provided name expecting it to be of Timestamp type.
the name of the column to find.
error location.
the Timestamp column reference
The object row
stands for the top-level row of the DataFrame.
The object row
stands for the top-level row of the DataFrame.