Package org.eclipse.net4j.db.dml.fluent

Interface SQLSelectProjectionStep

public interface SQLSelectProjectionStep
A SELECT whose projection is complete and whose source clause is still being assembled.
Since:
4.15
Author:
Eike Stepper
No Implement
This interface is not intended to be implemented by clients.
No Extend
This interface is not intended to be extended by clients.

  • Method Details

    • distinct

      SQLSelectProjectionStep distinct()
      Marks the projection as DISTINCT before a source is selected.
      Returns:
      the next valid fluent stage

    • from

      SQLSelectFromStep from(IDBTable first, IDBTable... others)
      Adds one or more comma-separated table occurrences. This stage permits repeated additions until a JOIN is started.
      Parameters:
      first - the first table occurrence in the FROM clause
      others - additional table occurrences appended in comma-separated order
      Returns:
      the next valid fluent stage

    • from

      default SQLSelectFromStep from(IDBTable.Provider first, IDBTable.Provider... others)
      Adds provider-supplied tables in order, resolving each provider immediately.
      Parameters:
      first - the first table provider
      others - additional table providers
      Returns:
      the next valid fluent stage
      Throws:
      NullPointerException - if any provider or supplied table is null

    • from

      SQLSelectFromStep from(SQLTableRef first, SQLTableRef... others)
      Adds one or more comma-separated table occurrences. This stage permits repeated additions until a JOIN is started.
      Parameters:
      first - the first table occurrence in the FROM clause
      others - additional table occurrences appended in comma-separated order
      Returns:
      the next valid fluent stage