internal DbSource(JObj s)
{
s.Get(nameof(host), ref host);
s.Get(nameof(port), ref port);
s.Get(nameof(database), ref database);
s.Get(nameof(username), ref username);
s.Get(nameof(password), ref password);
// initialize connection string
//
var sb = new StringBuilder();
sb.Append("Host=").Append(host);
sb.Append(";Port=").Append(port);
sb.Append(";Database=").Append(database);
sb.Append(";Username="******";Password="******";Read Buffer Size=").Append(1024 * 32);
sb.Append(";Write Buffer Size=").Append(1024 * 32);
sb.Append(";No Reset On Close=").Append(true);
connstr = sb.ToString();
}
internal DbSource(JObj s)
{
s.Get(nameof(host), ref host);
s.Get(nameof(port), ref port);
s.Get(nameof(database), ref database);
s.Get(nameof(username), ref username);
s.Get(nameof(password), ref password);
// initialize connection string
//
var sb = new StringBuilder();
sb.Append("Host=").Append(host);
sb.Append(";Port=").Append(port);
sb.Append(";Database=").Append(database);
sb.Append(";Username="******";Password="******";Read Buffer Size=").Append(1024 * 32);
sb.Append(";Write Buffer Size=").Append(1024 * 32);
sb.Append(";No Reset On Close=").Append(true);
connstr = sb.ToString();
// load public composite types
//
using (var dc = NewDbContext())
{
// composite types
dc.QueryAll("SELECT t.oid, t.typname, t.typarray FROM pg_type t, pg_class c WHERE t.oid = c.reltype AND c.relkind = 'c'");
while (dc.Next())
{
dc.Let(out uint oid);
dc.Let(out string name);
dc.Let(out uint typarray);
composites.Add(new DbType(oid, name, typarray)
{
Converter = (n, src, snk) =>
{
JObj v = null;
src.Get(n, ref v);
snk.Put(n, v);
}
});
}
// add columns and the related array type
int count = composites.Count;
for (int i = 0; i < count; i++)
{
var comp = composites[i].Value;
dc.QueryAll("SELECT attname AS name, atttypid AS typoid, atthasdef AS def, attnotnull AS notnull FROM pg_attribute WHERE attrelid = @1", p => p.Set(comp.Key));
while (dc.Next())
{
comp.AddColumn(new DbField(dc));
}
// the corresponding array type
dc.Query("SELECT oid, typname, typarray FROM pg_type WHERE oid = @1", p => p.Set(comp.arrayoid));
dc.Let(out uint oid);
dc.Let(out string name);
composites.Add(new DbType(oid, name)
{
ElementType = comp,
Converter = (n, src, snk) =>
{
JArr v = null;
src.Get(n, ref v);
snk.Put(n, v);
}
});
}
}
}
