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apply_changes

laminar_connectors::schema::evolution

Function apply_changes 

Source 
pub fn apply_changes(
    old: &SchemaRef,
    changes: &[SchemaChange],
) -> SchemaResult<ColumnProjection>
Expand description

Applies a set of schema changes to produce a new schema and a column projection mapping old columns to new positions.

§Errors

Returns SchemaError if the changes reference columns that don’t exist.