virtual bool run(const string&, mongo::BSONObj&, std::string&, mongo::BSONObjBuilder& result, bool){
pool.appendInfo( result );
result.append( "numDBClientConnection" , DBClientConnection::getNumConnections() );
result.append( "numAScopedConnection" , AScopedConnection::getNumConnections() );
return true;
}
void datum_to_bson(const char* field_name, mongo::BSONObjBuilder& builder,
Datum val, bool is_null, Oid typid)
{
PGBSON_LOG << "BEGIN datum_to_bson, field_name=" << field_name << ", typeid=" << typid << PGBSON_ENDL;
if (field_name == NULL)
{
field_name = "";
}
if (is_null)
{
builder.appendNull(field_name);
}
else
{
switch(typid)
{
case BOOLOID:
builder.append(field_name, DatumGetBool(val));
break;
case CHAROID:
{
char c = DatumGetChar(val);
builder.append(field_name, &c, 1);
break;
}
case INT8OID:
builder.append(field_name, (long long)DatumGetInt64(val));
break;
case INT2OID:
builder.append(field_name, DatumGetInt16(val));
break;
case INT4OID:
builder.append(field_name, DatumGetInt32(val));
break;
case TEXTOID:
case JSONOID:
case XMLOID:
{
text* t = DatumGetTextP(val);
builder.append(field_name, VARDATA(t), VARSIZE(t)-VARHDRSZ+1);
break;
}
case FLOAT4OID:
builder.append(field_name, DatumGetFloat4(val));
break;
case FLOAT8OID:
builder.append(field_name, DatumGetFloat8(val));
break;
case RECORDOID:
{
mongo::BSONObjBuilder sub(builder.subobjStart(field_name));
composite_to_bson(sub, val);
sub.done();
break;
}
case TIMESTAMPOID:
{
Timestamp ts = DatumGetTimestamp(val);
#ifdef HAVE_INT64_TIMESTAMP
mongo::Date_t date(ts);
#else
mongo::Date_t date(ts * 1000);
#endif
builder.append(field_name, date);
break;
}
default:
{
PGBSON_LOG << "datum_to_bson - unknown type, using text output." << PGBSON_ENDL;
PGBSON_LOG << "datum_to_bson - type=" << get_typename(typid) << PGBSON_ENDL;
if (get_typename(typid) == "bson")
{
bytea* data = DatumGetBson(val);
mongo::BSONObj obj(VARDATA_ANY(data));
builder.append(field_name, obj);
}
else
{
// use text output for the type
bool typisvarlena = false;
Oid typoutput;
getTypeOutputInfo(typid, &typoutput, &typisvarlena);
PGBSON_LOG << "datum_to_bson - typisvarlena=" << std::boolalpha << typisvarlena << PGBSON_ENDL;
Datum out_val = val;
/*
* If we have a toasted datum, forcibly detoast it here to avoid
* memory leakage inside the type's output routine.
*/
if (typisvarlena)
{
out_val = PointerGetDatum(PG_DETOAST_DATUM(val));
PGBSON_LOG << "datum_to_bson - var len valuie detoasted" << PGBSON_ENDL;
}
char* outstr = OidOutputFunctionCall(typoutput, out_val);
builder.append(field_name, outstr);
/* Clean up detoasted copy, if any */
if (val != out_val)
pfree(DatumGetPointer(out_val));
}
}
} // switch
} // if not null
PGBSON_LOG << "END datum_to_bson, field_name=" << field_name << PGBSON_ENDL;
}
