returns true if the constraint indicates that the foreign key will be set to null when the parent key is deleted . concode_field_sep Table childTable concode_elem_sep List<TableColumn> parentColumns concode_elem_sep List<TableColumn> childColumns concode_elem_sep String name concode_elem_sep Table parentTable concode_elem_sep int deleteRule concode_elem_sep Logger logger concode_elem_sep int updateRule concode_elem_sep boolean finerEnabled concode_field_sep boolean isReal concode_elem_sep void addChildColumn concode_elem_sep List<TableColumn> getChildColumns concode_elem_sep boolean isImplied concode_elem_sep String getName concode_elem_sep String getDeleteRuleDescription concode_elem_sep int getUpdateRule concode_elem_sep List<TableColumn> getParentColumns concode_elem_sep Table getChildTable concode_elem_sep int compareTo concode_elem_sep void addParentColumn concode_elem_sep int getDeleteRule concode_elem_sep String getDeleteRuleName concode_elem_sep boolean isCascadeOnDelete concode_elem_sep boolean isRestrictDelete concode_elem_sep String getDeleteRuleAlias concode_elem_sep String toString concode_elem_sep String toString concode_elem_sep Table getParentTable
boolean function ( ) { return getDeleteRule ( ) == importedKeySetNull ; }