public int WriteInt8(long value)
{
if (mRowInfo == null)
{
throw new InvalidOperationException("PqsqlCopyFrom.Start must be called before we can write data");
}
long begin = LengthCheckReset();
#if CODECONTRACTS
Contract.Assume(mRowInfo != null);
Contract.Assume(mPos >= 0 && mPos < mRowInfo.Length);
#endif
PqsqlColInfo ci = mRowInfo[mPos];
if (ci == null)
{
throw new PqsqlException("PqsqlCopyFrom.Start could not setup column information for column " + mPos);
}
PqsqlDbType oid = ci.Oid;
uint destination_length;
// check destination row datatype
switch (oid)
{
case PqsqlDbType.Int8:
PqsqlBinaryFormat.pqbf_set_int8(mExpBuf, value);
destination_length = 8;
break;
case PqsqlDbType.Int4:
// dangerous, but let's try it
PqsqlBinaryFormat.pqbf_set_int4(mExpBuf, (int)value);
destination_length = 4;
break;
case PqsqlDbType.Int2:
// dangerous, but let's try it
PqsqlBinaryFormat.pqbf_set_int2(mExpBuf, (short)value);
destination_length = 2;
break;
default:
throw new PqsqlException("Column " + ci.ColumnName + ": cannot write " + typeof(long) + " to column of type " + oid);
}
unsafe
{
sbyte *val = PqsqlBinaryFormat.pqbf_get_bufval(mExpBuf) + begin;
return(PutColumn(val, destination_length));
}
}
public int WriteDate(DateTime value)
{
if (mRowInfo == null)
{
throw new InvalidOperationException($"{nameof(PqsqlCopyFrom)}.{nameof(Start)} must be called before we can write data");
}
long begin = LengthCheckReset();
#if CODECONTRACTS
Contract.Assume(mRowInfo != null);
Contract.Assume(mPos >= 0 && mPos < mRowInfo.Length);
#endif
PqsqlColInfo ci = mRowInfo[mPos];
if (ci == null)
{
throw new PqsqlException($"{nameof(PqsqlCopyFrom)}.{nameof(Start)} could not setup column information for column {mPos}");
}
PqsqlDbType oid = ci.Oid;
if (oid != PqsqlDbType.Date)
{
throw new PqsqlException($"{nameof(PqsqlCopyFrom)}.{nameof(WriteDate)}: cannot write {PqsqlDbType.Date} into column {mPos} of type {oid}");
}
int year;
int month;
int day;
PqsqlBinaryFormat.GetDate(value, out year, out month, out day);
PqsqlBinaryFormat.pqbf_set_date(mExpBuf, year, month, day);
unsafe
{
sbyte *val = PqsqlBinaryFormat.pqbf_get_bufval(mExpBuf) + begin;
return(PutColumn(val, 4));
}
}
