private ISqlFragment buildWhereForContains(ArrayField field)
{
if (_contains is ConstantExpression c)
{
var flattened = new FlattenerStatement(field, _parent._session, _parent._statement);
var idSelectorStatement = new ContainsIdSelectorStatement(flattened, _parent._session, c);
return(new WhereInSubQuery(idSelectorStatement.ExportName));
}
throw new NotSupportedException();
}
private ISqlFragment buildWhereForAny(ArrayField field)
{
if (_wheres.Any())
{
var flattened = new FlattenerStatement(field, _parent._session, _parent._statement);
var itemType = _expression.QueryModel.MainFromClause.ItemType;
var elementFields =
_parent._session.Options.ChildTypeMappingFor(itemType);
var idSelectorStatement = new IdSelectorStatement(_parent._session, elementFields, flattened);
idSelectorStatement.WhereClauses.AddRange(_wheres);
idSelectorStatement.CompileLocal(_parent._session);
return(new WhereInSubQuery(idSelectorStatement.ExportName));
}
return(new CollectionIsNotEmpty(field));
}
public CountComparisonStatement BuildCountComparisonStatement()
{
if (Usage != SubQueryUsage.Count)
{
throw new BadLinqExpressionException("Invalid comparison");
}
var field = findArrayField();
var flattened = new FlattenerStatement(field, _parent._session, _parent._statement);
var elementFields =
_parent._session.Options.ChildTypeMappingFor(field.ElementType);
var statement = new CountComparisonStatement(_parent._session, field.ElementType, elementFields, flattened);
if (_wheres.Any())
{
statement.WhereClauses.AddRange(_wheres);
statement.CompileLocal(_parent._session);
}
return(statement);
}