ColumnMapping

Column mapping between source and target with optional transform. Spec Section 7.3.

public sealed record ColumnMapping : IEquatable<ColumnMapping>

Constructors

public ColumnMapping(string? Source, string Target, TransformType Transform = TransformType.None, string? Value = null, string? Lql = null)

Column mapping between source and target with optional transform. Spec Section 7.3.

Parameter	Type	Description
`Source`	`String`	Source column name. NULL for computed/constant columns.
`Target`	`String`	Target column name.
`Transform`	`TransformType`	Transform type to apply.
`Value`	`String`	Constant value when Transform=Constant.
`Lql`	`String`	LQL expression when Transform=Lql.

public string? Source { get; init; }

Source column name. NULL for computed/constant columns.

public string Target { get; init; }

Target column name.

public TransformType Transform { get; init; }

Transform type to apply.

public string? Value { get; init; }

Constant value when Transform=Constant.

public string? Lql { get; init; }

LQL expression when Transform=Lql.