Package io.github.torand.fastersql.projection

Interface Projection

All Superinterfaces:
Sql
All Known Subinterfaces:
AggregateFunction, ColumnFunction, Constant, Expression, Function, SingleRowFunction, SystemFunction
All Known Implementing Classes:
Abs, Addition, Avg, Cast, Ceil, Column, ColumnRef, Concat, Count, CountAll, CurrentDate, CurrentTime, CurrentTimestamp, Division, Exp, ExpressionSubquery, Floor, GenericConstant, InlineNumberConstant, InlineStringConstant, Length, Ln, Lower, Max, Min, Modulo, Multiplication, Negate, NullConstant, Power, Round, SearchedCase, SimpleCase, Sqrt, Substring, Subtraction, Sum, ToChar, ToNumber, Upper
public interface Projection extends Sql
Defines a construct which can be returned in a result set, i.e. an item in the SELECT clause.

  • Method Summary

    Modifier and Type
    Method
    Description
    Optional<ColumnAlias>
    alias()
    Gets the column alias (label) assigned for this projection.
    Projection
    as(String alias)
    Assigns a column alias (label) for this projection.

    Methods inherited from interface io.github.torand.fastersql.sql.Sql

    aliasRefs, columnRefs, params, sql

  • Method Details

    • as

      Projection as(String alias)
      Assigns a column alias (label) for this projection.
      Parameters:
      alias - the column alias or label.
      Returns:
      the projection with specified alias assigned.

    • alias

      Optional<ColumnAlias> alias()
      Gets the column alias (label) assigned for this projection.
      Returns:
      the column alias (label) assigned for this projection.