public void ShouldCreateAndExpression()
{
var factory = new DbExpressionFactory();
DbBinaryExpression binaryExpression;
binaryExpression = factory.And(factory.Constant(1), factory.Constant(2));
ValidateBinaryExpression(binaryExpression, DbBinaryExpressionType.And);
}
/// <summary>
/// Specifies the search condition for the rows returned by the query.
/// </summary>
/// <param name="query">The target <see cref="DbQuery{TQueryExpression}"/></param>
/// <param name="dbExpression">The <see cref="DbExpression"/> that makes up the search condition.</param>
/// <returns></returns>
public static DbQuery <TQueryExpression> Where <TQueryExpression>(this DbQuery <TQueryExpression> query, DbExpression dbExpression)
where TQueryExpression : DbQueryExpression, new()
{
if (!query.QueryExpression.WhereExpression.IsNull())
{
dbExpression = DbExpressionFactory.And(query.QueryExpression.WhereExpression, dbExpression);
}
query.QueryExpression.WhereExpression = dbExpression;
return(query);
}
public void ShouldCreateAndExpression()
{
var factory = new DbExpressionFactory();
DbBinaryExpression binaryExpression;
binaryExpression = factory.And(factory.Constant(1), factory.Constant(2));
ValidateBinaryExpression(binaryExpression, DbBinaryExpressionType.And);
}
/// <summary>
/// Implements the operator &.
/// </summary>
/// <param name="leftExpression">The left expression.</param>
/// <param name="rightExpression">The right expression.</param>
/// <returns>The result of the operator.</returns>
public static DbExpression operator &(DbExpression leftExpression, DbExpression rightExpression)
{
return(ExpressionFactory.And(leftExpression, rightExpression));
}
