borland Packages  Class Hierarchy  dx.dataset Package 

Sort interface

com.borland.dx.dataset.Sort

About the Sort interface

Variables  

Note: This is a feature of JBuilder Professional and Enterprise.

The Sort interface collects constants used when sorting data.


Sort variables

Variables defined in this interface


Sort variables

CASEINSENSITIVE

  public static final int CASEINSENSITIVE = 0x01
For case-insensitive ordering. Applies to all columns of String type.

NOT_NULL

  public static final int NOT_NULL = 0x04
Not null constraint on the sortKey values.

PRIMARY

  public static final int PRIMARY = 0x08|UNIQUE|NOT_NULL
Combines UNIQUE and NOT_NULL constraints. Only one index per StorageDataSet can be created with the PRIMARY option enabled.

SORT_AS_INSERTED

  public static final int SORT_AS_INSERTED = 0x10
Used as an ordering tie-breaker when there are sortKeys with duplicate values or when no sortKeys are specified.

UNIQUE

  public static final int UNIQUE = 0x02
Unique constraint on the sortKey values. A row with column value for sortKey that is not unique cannot be added to the DataSet.