public static WhereClip operator &(WhereClip left, WhereClip right)
{
Check.Require(((object)left) != null, "left could not be null.");
Check.Require(((object)right) != null, "right could not be null.");
WhereClip newWhere = new WhereClip();
newWhere.And(left);
newWhere.And(right);
return newWhere;
}
public static WhereClip operator >=(object left, ExpressionClip right)
{
WhereClip where = new WhereClip();
if (left == null || left == DBNull.Value)
{
where.And(right, QueryOperator.LessOrEqual, null);
}
else
{
where.And(new ExpressionClip(right.DbType, left),
QueryOperator.GreaterOrEqual, right);
}
return where;
}
public static WhereClip operator >=(ExpressionClip left, object right)
{
WhereClip where = new WhereClip();
if (right == null || right == DBNull.Value)
{
where.And(left, QueryOperator.GreaterOrEqual, null);
}
else
{
where.And(left, QueryOperator.GreaterOrEqual,
new ExpressionClip(left.DbType, right));
}
return where;
}
public static WhereClip operator >=(ExpressionClip left, ExpressionClip right)
{
WhereClip where = new WhereClip();
if (ExpressionClip.IsNullOrEmpty(right))
{
where.And(left, QueryOperator.GreaterOrEqual, null);
}
else if (ExpressionClip.IsNullOrEmpty(left))
{
where.And(right, QueryOperator.LessOrEqual, null);
}
else
{
where.And(left, QueryOperator.GreaterOrEqual, right);
}
return where;
}
public static WhereClip operator !=(object left, ExpressionClip right)
{
WhereClip where = new WhereClip();
if (left == null || left == DBNull.Value)
{
where = where.And(right, QueryOperator.IsNULL, null).Not();
}
else
{
where.And(new ExpressionClip(right.DbType, left),
QueryOperator.NotEqual, right);
}
return where;
}
public static WhereClip operator !=(ExpressionClip left, ExpressionClip right)
{
WhereClip where = new WhereClip();
if (ExpressionClip.IsNullOrEmpty(right))
{
where = where.And(left, QueryOperator.IsNULL, null).Not();
}
else if (ExpressionClip.IsNullOrEmpty(left))
{
where = where.And(right, QueryOperator.IsNULL, null).Not();
}
else
{
where.And(left, QueryOperator.NotEqual, right);
}
return where;
}