com.aquafold.openapi.rdbms.schema
Interface AQConstraint

All Superinterfaces:

AQSchemaObject, AQServerObject

public interface AQConstraint
extends AQSchemaObject

This interface represents a database constraint.

Method Summary

String	extractCheckCondition() To get the check condition for a check constraint.
AQConstraintColumn[]	extractColumns() To get a list of columns associated with the constraint.
AQForeignKeyRefColumn[]	extractForeignKeyRefColumns() To get the referenced column(s) for a foreign key constraint.
boolean	isCheckConstraint() To check if this is a check constraint.
boolean	isForeignKeyConstraint() To check if this is a foreign key constraint.
boolean	isPrimaryKeyConstraint() To check if this is a primary key constraint.
boolean	isUniqueConstraint() To check if this is a unique constraint.

Methods inherited from interface com.aquafold.openapi.rdbms.AQSchemaObject

getDatabaseName, getSchemaName

Methods inherited from interface com.aquafold.openapi.rdbms.AQServerObject

getIcon, getName, getServerConnection, getTypeName, scriptCREATE, scriptCREATE, scriptDROP

Method Detail

extractColumns

AQConstraintColumn[] extractColumns()

To get a list of columns associated with the constraint.

Returns:

An array of AQConstraintColumn objects; empty array if no columns exist.

isPrimaryKeyConstraint

boolean isPrimaryKeyConstraint()

To check if this is a primary key constraint.

Returns:

true if this is a primary key constraint; false otherwise.

isForeignKeyConstraint

boolean isForeignKeyConstraint()

To check if this is a foreign key constraint.

Returns:

true if this is a foreign key constraint; false otherwise.

isCheckConstraint

boolean isCheckConstraint()

To check if this is a check constraint.

Returns:

true if this is a check constraint; false otherwise.

isUniqueConstraint

boolean isUniqueConstraint()

To check if this is a unique constraint.

Returns:

true if this is a unique constraint; false otherwise.

extractForeignKeyRefColumns

AQForeignKeyRefColumn[] extractForeignKeyRefColumns()

To get the referenced column(s) for a foreign key constraint.

Returns:

An array of AQForeignKeyRefColumn objects if this is a foreign key constraint; empty array otherwise.

extractCheckCondition

String extractCheckCondition()

To get the check condition for a check constraint.

Returns:

The check condition if this is a check constraint; null otherwise.