Package adql.db

Interface DBColumn

All Known Implementing Classes:
DBCommonColumn, DefaultDBColumn
public interface DBColumn

Definition of a valid target column.

This column can be used in an ADQL query with its ADQL name (getADQLName()) and corresponds to a real column in the "database" with its DB name (getDBName()).

Version:
1.4 (07/2016)
Author:
Grégory Mantelet (CDS;ARI)

  • Method Details

    • getADQLName

      String getADQLName()
      Gets the name of this column (without any prefix and double-quotes).
      Returns:
      Its ADQL name.

    • getDBName

      String getDBName()
      Gets the name of this column in the "database".
      Returns:
      Its DB name.

    • getDatatype

      DBType getDatatype()

      Get the type of this column (as closed as possible from the "database" type).

      Note: The returned type should be as closed as possible from a type listed by the IVOA in the TAP protocol description into the section UPLOAD.

      Returns:
      Its type.
      Since:
      1.3

    • getTable

      DBTable getTable()
      Gets the table which contains this DBColumn.
      Returns:
      Its table or null if no table is specified.

    • copy

      DBColumn copy(String dbName, String adqlName, DBTable dbTable)
      Makes a copy of this instance of DBColumn.
      Parameters:
      dbName - Its new DB name.
      adqlName - Its new ADQL name.
      dbTable - Its new table.
      Returns:
      A modified copy of this DBColumn.