protected override void VisitSpatialAnalysisExpressionInternal(StringBuilder builder, SpatialAnalysisExpression expression)
{
throw new NotImplementedException();
}
protected abstract void VisitSpatialAnalysisExpressionInternal(StringBuilder builder,
SpatialAnalysisExpression expression);
private void VisitSpatialAnalysisExpression(StringBuilder builder, SpatialAnalysisExpression expression)
{
VisitSpatialAnalysisExpressionInternal(builder, expression);
}
protected override void VisitSpatialAnalysisExpressionInternal(StringBuilder builder, SpatialAnalysisExpression expression)
{
string paramName = expression.RightExpression is GeometryExpression
? DeclareSqlGeometry(TransformGeometry((expression.RightExpression as GeometryExpression).Geometry))
:
expression.RightExpression is LiteralExpression
? CreateParameterFromObject(
((LiteralExpression)expression.RightExpression).Value).ParameterName
: string.Empty;
builder.AppendFormat(" {0}.{1}.{2}({3}) ",
Provider.Table,
Provider.GeometryColumn,
GetSpatialMethodName(expression.SpatialAnalysisOperator),
paramName);
}
