Package ai.rapids.cudf

Class Schema.Builder

java.lang.Object

ai.rapids.cudf.Schema.Builder

Enclosing class:

Schema

public static class Schema.Builder
extends Object

Method Summary

Modifier and Type	Method	Description
Schema.Builder	addColumn(DType type, String name)
Schema.Builder	addColumn(DType type, String name, int precision)	Add a new column
Schema	build()
Schema.Builder	column(DType type, String name)
Schema.Builder	column(DType type, String name, int precision)	Adds a single column to the current schema.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Details

addColumn

public Schema.Builder addColumn(DType type,
 String name,
 int precision)

Add a new column

Parameters:

type - the type of column to add

name - the name of the column to add (Ignored for list types)

precision - the decimal precision, only applicable for decimal types

Returns:

the builder for the new column. This should really only be used when the type passed in is a LIST or a STRUCT.

addColumn

public Schema.Builder addColumn(DType type,
 String name)

column

public Schema.Builder column(DType type,
 String name,
 int precision)

Adds a single column to the current schema. addColumn is preferred as it can be used to support nested types.

Parameters:

type - the type of the column.

name - the name of the column.

precision - the decimal precision, only applicable for decimal types.

Returns:

this for chaining.

column

public Schema.Builder column(DType type,
 String name)

build

public Schema build()