wt.query
Interface WhereExpression

All Superinterfaces:

Cloneable

All Known Implementing Classes:

CompositeWhereExpression, ExistsExpression, NegatedExpression, SearchCondition

public interface WhereExpression
extends Cloneable

This interface represents an expression that can be used in a SQL WHERE clause.

Supported API: true

Extendable: false

Field Summary

static String

FROM_INDICIES Label for the attribute; Indicies for all current expressions relative to a FromClause that will be used for validating and setting aliases when this compostie expression is appended to a statement.

Method Summary

int[]	getFromIndicies() Gets the value of the attribute: FROM_INDICIES.
int	setFromIndicies(int[] a_fromIndicies, int a_offset) This method sets the From clause indicies for components of the expression.

Field Detail

FROM_INDICIES

static final String FROM_INDICIES

Label for the attribute; Indicies for all current expressions relative to a FromClause that will be used for validating and setting aliases when this compostie expression is appended to a statement.

Supported API: true

See Also:

Constant Field Values

Method Detail

getFromIndicies

int[] getFromIndicies()

Gets the value of the attribute: FROM_INDICIES. Indicies for all current expressions relative to a FromClause that will be used for validating and setting aliases when this compostie expression is appended to a statement.

Supported API: true

Returns:

int[]

setFromIndicies

int setFromIndicies(int[] a_fromIndicies,
                    int a_offset)

This method sets the From clause indicies for components of the expression.

Supported API: true

Parameters:

a_fromIndicies - From indicies to set.

a_offset - Offset index into the From indicies array for the next valid From index

Returns:

number of indicies used