コード例 #1
0
        public override DbExpression Visit(DbLikeExpression expression)
        {
            EntityUtil.CheckArgumentNull(expression, "expression");

            DbExpression result = expression;

            DbExpression newArgument = this.VisitExpression(expression.Argument);
            DbExpression newPattern  = this.VisitExpression(expression.Pattern);
            DbExpression newEscape   = this.VisitExpression(expression.Escape);

            if (!object.ReferenceEquals(expression.Argument, newArgument) ||
                !object.ReferenceEquals(expression.Pattern, newPattern) ||
                !object.ReferenceEquals(expression.Escape, newEscape))
            {
                result = CqtBuilder.Like(newArgument, newPattern, newEscape);
            }
            NotifyIfChanged(expression, result);
            return(result);
        }