inject_column_aliases

datafusion_sql::unparser::rewrite

Function inject_column_aliases 

Source 
pub(super) fn inject_column_aliases(
    projection: &Projection,
    aliases: impl IntoIterator<Item = Ident>,
) -> LogicalPlan
Expand description

Injects column aliases into the projection of a logical plan by wrapping expressions with Expr::Alias using the provided list of aliases.

Example:

  • SELECT col1, col2 FROM table with aliases ["alias_1", "some_alias_2"] will be transformed to
  • SELECT col1 AS alias_1, col2 AS some_alias_2 FROM table