toDoubleArray

Cast an array column to double array type.

Usage Details

select *, toDoubleArray(column) as doubleArrayColumn from tableName

Input Parameters:
column: An array column

Output:
A column doubleArrayColumn which is same as column but each element in each row casted to double data type.

Example

Input Table: input_table

column

WrappedArray("3.45", "15")

WrappedArray("178.90", "-45.78")

select *, toDoubleArray(column) as doubleArrayColumn from input_table

Ouput:

column

doubleArrayColumn

WrappedArray("3.45", "15")

WrappedArray(3.45, 15)

WrappedArray("178.90", "-45.78")

WrappedArray(178.90, -45.78)


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