internal override GraphViewExecutionOperator Compile(QueryCompilationContext context, GraphViewConnection dbConnection)
{
WColumnReferenceExpression updateParameter = this.Parameters[0] as WColumnReferenceExpression;
int updateIndex = context.LocateColumnReference(updateParameter);
var propertiesList = new List <WPropertyExpression>();
for (int i = 1; i < this.Parameters.Count; ++i)
{
propertiesList.Add((WPropertyExpression)this.Parameters[i]);
#if DEBUG
((WPropertyExpression)this.Parameters[i]).Value.ToJValue();
#endif
}
UpdatePropertiesOperator updateOp = new UpdatePropertiesOperator(
context.CurrentExecutionOperator,
dbConnection,
updateIndex,
propertiesList);
context.CurrentExecutionOperator = updateOp;
return(updateOp);
}
internal override GraphViewExecutionOperator Compile(QueryCompilationContext context, GraphViewCommand command)
{
WColumnReferenceExpression updateParameter = this.Parameters[0] as WColumnReferenceExpression;
int updateIndex = context.LocateColumnReference(updateParameter);
List <PropertyTuple> propertiesList = new List <PropertyTuple>();
for (int i = 1; i < this.Parameters.Count; ++i)
{
WPropertyExpression property = this.Parameters[i] as WPropertyExpression;
if (property.Value is WValueExpression)
{
WValueExpression value = property.Value as WValueExpression;
Dictionary <string, Tuple <StringField, ScalarSubqueryFunction> > meta = new Dictionary <string, Tuple <StringField, ScalarSubqueryFunction> >();
foreach (KeyValuePair <WValueExpression, WScalarExpression> pair in property.MetaProperties)
{
string name = pair.Key.Value;
if (pair.Value is WValueExpression)
{
WValueExpression metaValue = pair.Value as WValueExpression;
meta.Add(name, new Tuple <StringField, ScalarSubqueryFunction>(metaValue.ToStringField(), null));
}
else
{
WScalarSubquery metaScalarSubquery = pair.Value as WScalarSubquery;
ScalarSubqueryFunction metaValueFunction = (ScalarSubqueryFunction)metaScalarSubquery.CompileToFunction(context, command);
meta.Add(name, new Tuple <StringField, ScalarSubqueryFunction>(null, metaValueFunction));
}
}
PropertyTuple valueProperty = new PropertyTuple(property.Cardinality, property.Key.Value, value.ToStringField(), meta);
propertiesList.Add(valueProperty);
}
else
{
WScalarSubquery scalarSubquery = property.Value as WScalarSubquery;
ScalarSubqueryFunction valueFunction = (ScalarSubqueryFunction)scalarSubquery.CompileToFunction(context, command);
Dictionary <string, Tuple <StringField, ScalarSubqueryFunction> > meta = new Dictionary <string, Tuple <StringField, ScalarSubqueryFunction> >();
foreach (KeyValuePair <WValueExpression, WScalarExpression> pair in property.MetaProperties)
{
string name = pair.Key.Value;
if (pair.Value is WValueExpression)
{
WValueExpression metaValue = pair.Value as WValueExpression;
meta.Add(name, new Tuple <StringField, ScalarSubqueryFunction>(metaValue.ToStringField(), null));
}
else
{
WScalarSubquery metaScalarSubquery = pair.Value as WScalarSubquery;
ScalarSubqueryFunction metaValueFunction = (ScalarSubqueryFunction)metaScalarSubquery.CompileToFunction(context, command);
meta.Add(name, new Tuple <StringField, ScalarSubqueryFunction>(null, metaValueFunction));
}
}
PropertyTuple valueProperty = new PropertyTuple(property.Cardinality, property.Key.Value, valueFunction, meta);
propertiesList.Add(valueProperty);
}
}
UpdatePropertiesOperator updateOp = new UpdatePropertiesOperator(
context.CurrentExecutionOperator,
command,
updateIndex,
propertiesList);
context.CurrentExecutionOperator = updateOp;
return(updateOp);
}