What is the best way to store bitarray (blob) for pasting in database?

[Vadim Lopatin via Digitalmars-d-learn]

On Wednesday, 6 April 2016 at 12:56:39 UTC, Suliman wrote:
> I have next task.
> There is PostgreSQL DB. With field like: id, mydata.
>
> mydata - is binary blob. It can be 10MB or even more.
>
> I need load all data from PostgreSQL to SQLLite.
>
> I decided ti create struct that and fill it with data. And then 
> do INSERT operation in sqllite.
>
> But I do not know is it's good way, and if it's ok what data 
> type should I use for blob (binary data).
>
> 	struct MyData
> 	{
> 		string  id;
> 		string  mydata; // what datatype I should use here??
> 	}	
>
> 	MyData [] mydata;
>
> 	MyData md;
>
>
> 	while (rs.next())
> 	{
>
> 	 md.id = to!string(rs.getString(1));
> 	 md.mydata = to!string(rs.getString(2)); //??
>
> 	 mydata ~= md;
> 	}
>
> ....
>
> stmtLite.executeUpdate(`insert into MySyncData(id,mydata) 
> values(md.id,md.data)`); //ddbc driver
> is it's normal way to insert data?

Use ubyte[] or byte[] for blob, and setUbytes/getUbytes 
(setBytes/getBytes) to set/get value
There was issue in `bytea` type support in PostgreSQL driver. Now 
it's fixed.