Top | ![]() |
![]() |
![]() |
![]() |
This class provides a object to record a graph update operation with adding and/or removing triples, using a templated insert/delete with optional where clause. It is designed to be able to record the SPARQL 1.1 (Draft) update format, and is a work in progress as of February 2010.
typedef struct { rasqal_update_type type; raptor_uri* graph_uri; raptor_uri* document_uri; raptor_sequence* insert_templates; raptor_sequence* delete_templates; rasqal_graph_pattern* where; int flags; rasqal_update_graph_applies applies; } rasqal_update_operation;
Update operation - changing the dataset
For LOAD and CLEAR if applies
is set (not 0) then the operation
applies to just those graph()
, otherwise it applies to the graph_uri
.
For ADD, MOVE and COPY the source graph is stored in graph_uri
field and the destination graph in the document_uri
field. The
field names have no meaning in this case since both values are
always present, always graphs and a NULL value signifies the
default graph.
rasqal_update_type |
type of update |
|
raptor_uri * |
optional graph URI (clear, drop, load, with ... delete, insert); source graph (add, move, copy) |
|
raptor_uri * |
optional document URI (load); destination graph (add, move, copy) |
|
raptor_sequence * |
optional sequence of rasqal_triple to insert. Data triples if |
|
raptor_sequence * |
optional sequence of rasqal_triple templates to delete |
|
rasqal_graph_pattern * |
optional where template (insert/delete) |
|
update flags - bit-or of flags defined in rasqal_update_flags |
||
rasqal_update_graph_applies |
the graph(s) that the update operation applies to, or |
Update type being performed.